};
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"util/":32}],2:[function(require,module,exports){
+},{"util/":33}],2:[function(require,module,exports){
'use strict'
exports.byteLength = byteLength
function byteLength (b64) {
// base64 is 4/3 + up to two characters of the original data
- return (b64.length * 3 / 4) - placeHoldersCount(b64)
+ return b64.length * 3 / 4 - placeHoldersCount(b64)
}
function toByteArray (b64) {
- var i, l, tmp, placeHolders, arr
+ var i, j, l, tmp, placeHolders, arr
var len = b64.length
placeHolders = placeHoldersCount(b64)
- arr = new Arr((len * 3 / 4) - placeHolders)
+ arr = new Arr(len * 3 / 4 - placeHolders)
// if there are placeholders, only get up to the last complete 4 chars
l = placeHolders > 0 ? len - 4 : len
var L = 0
- for (i = 0; i < l; i += 4) {
+ for (i = 0, j = 0; i < l; i += 4, j += 3) {
tmp = (revLookup[b64.charCodeAt(i)] << 18) | (revLookup[b64.charCodeAt(i + 1)] << 12) | (revLookup[b64.charCodeAt(i + 2)] << 6) | revLookup[b64.charCodeAt(i + 3)]
arr[L++] = (tmp >> 16) & 0xFF
arr[L++] = (tmp >> 8) & 0xFF
},{}],3:[function(require,module,exports){
},{}],4:[function(require,module,exports){
+(function (global){
+'use strict';
+
+var buffer = require('buffer');
+var Buffer = buffer.Buffer;
+var SlowBuffer = buffer.SlowBuffer;
+var MAX_LEN = buffer.kMaxLength || 2147483647;
+exports.alloc = function alloc(size, fill, encoding) {
+ if (typeof Buffer.alloc === 'function') {
+ return Buffer.alloc(size, fill, encoding);
+ }
+ if (typeof encoding === 'number') {
+ throw new TypeError('encoding must not be number');
+ }
+ if (typeof size !== 'number') {
+ throw new TypeError('size must be a number');
+ }
+ if (size > MAX_LEN) {
+ throw new RangeError('size is too large');
+ }
+ var enc = encoding;
+ var _fill = fill;
+ if (_fill === undefined) {
+ enc = undefined;
+ _fill = 0;
+ }
+ var buf = new Buffer(size);
+ if (typeof _fill === 'string') {
+ var fillBuf = new Buffer(_fill, enc);
+ var flen = fillBuf.length;
+ var i = -1;
+ while (++i < size) {
+ buf[i] = fillBuf[i % flen];
+ }
+ } else {
+ buf.fill(_fill);
+ }
+ return buf;
+}
+exports.allocUnsafe = function allocUnsafe(size) {
+ if (typeof Buffer.allocUnsafe === 'function') {
+ return Buffer.allocUnsafe(size);
+ }
+ if (typeof size !== 'number') {
+ throw new TypeError('size must be a number');
+ }
+ if (size > MAX_LEN) {
+ throw new RangeError('size is too large');
+ }
+ return new Buffer(size);
+}
+exports.from = function from(value, encodingOrOffset, length) {
+ if (typeof Buffer.from === 'function' && (!global.Uint8Array || Uint8Array.from !== Buffer.from)) {
+ return Buffer.from(value, encodingOrOffset, length);
+ }
+ if (typeof value === 'number') {
+ throw new TypeError('"value" argument must not be a number');
+ }
+ if (typeof value === 'string') {
+ return new Buffer(value, encodingOrOffset);
+ }
+ if (typeof ArrayBuffer !== 'undefined' && value instanceof ArrayBuffer) {
+ var offset = encodingOrOffset;
+ if (arguments.length === 1) {
+ return new Buffer(value);
+ }
+ if (typeof offset === 'undefined') {
+ offset = 0;
+ }
+ var len = length;
+ if (typeof len === 'undefined') {
+ len = value.byteLength - offset;
+ }
+ if (offset >= value.byteLength) {
+ throw new RangeError('\'offset\' is out of bounds');
+ }
+ if (len > value.byteLength - offset) {
+ throw new RangeError('\'length\' is out of bounds');
+ }
+ return new Buffer(value.slice(offset, offset + len));
+ }
+ if (Buffer.isBuffer(value)) {
+ var out = new Buffer(value.length);
+ value.copy(out, 0, 0, value.length);
+ return out;
+ }
+ if (value) {
+ if (Array.isArray(value) || (typeof ArrayBuffer !== 'undefined' && value.buffer instanceof ArrayBuffer) || 'length' in value) {
+ return new Buffer(value);
+ }
+ if (value.type === 'Buffer' && Array.isArray(value.data)) {
+ return new Buffer(value.data);
+ }
+ }
+
+ throw new TypeError('First argument must be a string, Buffer, ' + 'ArrayBuffer, Array, or array-like object.');
+}
+exports.allocUnsafeSlow = function allocUnsafeSlow(size) {
+ if (typeof Buffer.allocUnsafeSlow === 'function') {
+ return Buffer.allocUnsafeSlow(size);
+ }
+ if (typeof size !== 'number') {
+ throw new TypeError('size must be a number');
+ }
+ if (size >= MAX_LEN) {
+ throw new RangeError('size is too large');
+ }
+ return new SlowBuffer(size);
+}
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"buffer":5}],5:[function(require,module,exports){
/*!
* The buffer module from node.js, for the browser.
*
return obj !== obj // eslint-disable-line no-self-compare
}
-},{"base64-js":2,"ieee754":7}],5:[function(require,module,exports){
+},{"base64-js":2,"ieee754":8}],6:[function(require,module,exports){
(function (Buffer){
// Copyright Joyent, Inc. and other Node contributors.
//
}
}).call(this,{"isBuffer":require("../../is-buffer/index.js")})
-},{"../../is-buffer/index.js":9}],6:[function(require,module,exports){
+},{"../../is-buffer/index.js":10}],7:[function(require,module,exports){
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
return arg === void 0;
}
-},{}],7:[function(require,module,exports){
+},{}],8:[function(require,module,exports){
exports.read = function (buffer, offset, isLE, mLen, nBytes) {
var e, m
var eLen = nBytes * 8 - mLen - 1
buffer[offset + i - d] |= s * 128
}
-},{}],8:[function(require,module,exports){
+},{}],9:[function(require,module,exports){
if (typeof Object.create === 'function') {
// implementation from standard node.js 'util' module
module.exports = function inherits(ctor, superCtor) {
}
}
-},{}],9:[function(require,module,exports){
+},{}],10:[function(require,module,exports){
/*!
* Determine if an object is a Buffer
*
return typeof obj.readFloatLE === 'function' && typeof obj.slice === 'function' && isBuffer(obj.slice(0, 0))
}
-},{}],10:[function(require,module,exports){
+},{}],11:[function(require,module,exports){
var toString = {}.toString;
module.exports = Array.isArray || function (arr) {
return toString.call(arr) == '[object Array]';
};
-},{}],11:[function(require,module,exports){
+},{}],12:[function(require,module,exports){
(function (process){
'use strict';
}
}).call(this,require('_process'))
-},{"_process":12}],12:[function(require,module,exports){
+},{"_process":13}],13:[function(require,module,exports){
// shim for using process in browser
var process = module.exports = {};
};
process.umask = function() { return 0; };
-},{}],13:[function(require,module,exports){
+},{}],14:[function(require,module,exports){
module.exports = require('./lib/_stream_duplex.js');
-},{"./lib/_stream_duplex.js":14}],14:[function(require,module,exports){
-// Copyright Joyent, Inc. and other Node contributors.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a
-// copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to permit
-// persons to whom the Software is furnished to do so, subject to the
-// following conditions:
-//
-// The above copyright notice and this permission notice shall be included
-// in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
-// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
-// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
-// USE OR OTHER DEALINGS IN THE SOFTWARE.
-
+},{"./lib/_stream_duplex.js":15}],15:[function(require,module,exports){
// a duplex stream is just a stream that is both readable and writable.
// Since JS doesn't have multiple prototypal inheritance, this class
// prototypally inherits from Readable, and then parasitically from
/*<replacement>*/
-var processNextTick = require('process-nextick-args');
-/*</replacement>*/
-
-/*<replacement>*/
var objectKeys = Object.keys || function (obj) {
var keys = [];
for (var key in obj) {
module.exports = Duplex;
+/*<replacement>*/
+var processNextTick = require('process-nextick-args');
+/*</replacement>*/
+
/*<replacement>*/
var util = require('core-util-is');
util.inherits = require('inherits');
self.end();
}
-Object.defineProperty(Duplex.prototype, 'destroyed', {
- get: function () {
- if (this._readableState === undefined || this._writableState === undefined) {
- return false;
- }
- return this._readableState.destroyed && this._writableState.destroyed;
- },
- set: function (value) {
- // we ignore the value if the stream
- // has not been initialized yet
- if (this._readableState === undefined || this._writableState === undefined) {
- return;
- }
-
- // backward compatibility, the user is explicitly
- // managing destroyed
- this._readableState.destroyed = value;
- this._writableState.destroyed = value;
- }
-});
-
-Duplex.prototype._destroy = function (err, cb) {
- this.push(null);
- this.end();
-
- processNextTick(cb, err);
-};
-
function forEach(xs, f) {
for (var i = 0, l = xs.length; i < l; i++) {
f(xs[i], i);
}
}
-},{"./_stream_readable":16,"./_stream_writable":18,"core-util-is":5,"inherits":8,"process-nextick-args":11}],15:[function(require,module,exports){
-// Copyright Joyent, Inc. and other Node contributors.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a
-// copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to permit
-// persons to whom the Software is furnished to do so, subject to the
-// following conditions:
-//
-// The above copyright notice and this permission notice shall be included
-// in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
-// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
-// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
-// USE OR OTHER DEALINGS IN THE SOFTWARE.
-
+},{"./_stream_readable":17,"./_stream_writable":19,"core-util-is":6,"inherits":9,"process-nextick-args":12}],16:[function(require,module,exports){
// a passthrough stream.
// basically just the most minimal sort of Transform stream.
// Every written chunk gets output as-is.
PassThrough.prototype._transform = function (chunk, encoding, cb) {
cb(null, chunk);
};
-},{"./_stream_transform":17,"core-util-is":5,"inherits":8}],16:[function(require,module,exports){
-(function (process,global){
-// Copyright Joyent, Inc. and other Node contributors.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a
-// copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to permit
-// persons to whom the Software is furnished to do so, subject to the
-// following conditions:
-//
-// The above copyright notice and this permission notice shall be included
-// in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
-// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
-// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
-// USE OR OTHER DEALINGS IN THE SOFTWARE.
-
+},{"./_stream_transform":18,"core-util-is":6,"inherits":9}],17:[function(require,module,exports){
+(function (process){
'use strict';
-/*<replacement>*/
+module.exports = Readable;
+/*<replacement>*/
var processNextTick = require('process-nextick-args');
/*</replacement>*/
-module.exports = Readable;
-
/*<replacement>*/
var isArray = require('isarray');
/*</replacement>*/
var Stream = require('./internal/streams/stream');
/*</replacement>*/
-// TODO(bmeurer): Change this back to const once hole checks are
-// properly optimized away early in Ignition+TurboFan.
+var Buffer = require('buffer').Buffer;
/*<replacement>*/
-var Buffer = require('safe-buffer').Buffer;
-var OurUint8Array = global.Uint8Array || function () {};
-function _uint8ArrayToBuffer(chunk) {
- return Buffer.from(chunk);
-}
-function _isUint8Array(obj) {
- return Buffer.isBuffer(obj) || obj instanceof OurUint8Array;
-}
+var bufferShim = require('buffer-shims');
/*</replacement>*/
/*<replacement>*/
/*</replacement>*/
var BufferList = require('./internal/streams/BufferList');
-var destroyImpl = require('./internal/streams/destroy');
var StringDecoder;
util.inherits(Readable, Stream);
this.highWaterMark = hwm || hwm === 0 ? hwm : defaultHwm;
// cast to ints.
- this.highWaterMark = Math.floor(this.highWaterMark);
+ this.highWaterMark = ~~this.highWaterMark;
// A linked list is used to store data chunks instead of an array because the
// linked list can remove elements from the beginning faster than
this.endEmitted = false;
this.reading = false;
- // a flag to be able to tell if the event 'readable'/'data' is emitted
- // immediately, or on a later tick. We set this to true at first, because
- // any actions that shouldn't happen until "later" should generally also
- // not happen before the first read call.
+ // a flag to be able to tell if the onwrite cb is called immediately,
+ // or on a later tick. We set this to true at first, because any
+ // actions that shouldn't happen until "later" should generally also
+ // not happen before the first write call.
this.sync = true;
// whenever we return null, then we set a flag to say
this.readableListening = false;
this.resumeScheduled = false;
- // has it been destroyed
- this.destroyed = false;
-
// Crypto is kind of old and crusty. Historically, its default string
// encoding is 'binary' so we have to make this configurable.
// Everything else in the universe uses 'utf8', though.
this.defaultEncoding = options.defaultEncoding || 'utf8';
+ // when piping, we only care about 'readable' events that happen
+ // after read()ing all the bytes and not getting any pushback.
+ this.ranOut = false;
+
// the number of writers that are awaiting a drain event in .pipe()s
this.awaitDrain = 0;
// legacy
this.readable = true;
- if (options) {
- if (typeof options.read === 'function') this._read = options.read;
-
- if (typeof options.destroy === 'function') this._destroy = options.destroy;
- }
+ if (options && typeof options.read === 'function') this._read = options.read;
Stream.call(this);
}
-Object.defineProperty(Readable.prototype, 'destroyed', {
- get: function () {
- if (this._readableState === undefined) {
- return false;
- }
- return this._readableState.destroyed;
- },
- set: function (value) {
- // we ignore the value if the stream
- // has not been initialized yet
- if (!this._readableState) {
- return;
- }
-
- // backward compatibility, the user is explicitly
- // managing destroyed
- this._readableState.destroyed = value;
- }
-});
-
-Readable.prototype.destroy = destroyImpl.destroy;
-Readable.prototype._undestroy = destroyImpl.undestroy;
-Readable.prototype._destroy = function (err, cb) {
- this.push(null);
- cb(err);
-};
-
// Manually shove something into the read() buffer.
// This returns true if the highWaterMark has not been hit yet,
// similar to how Writable.write() returns true if you should
// write() some more.
Readable.prototype.push = function (chunk, encoding) {
var state = this._readableState;
- var skipChunkCheck;
- if (!state.objectMode) {
- if (typeof chunk === 'string') {
- encoding = encoding || state.defaultEncoding;
- if (encoding !== state.encoding) {
- chunk = Buffer.from(chunk, encoding);
- encoding = '';
- }
- skipChunkCheck = true;
+ if (!state.objectMode && typeof chunk === 'string') {
+ encoding = encoding || state.defaultEncoding;
+ if (encoding !== state.encoding) {
+ chunk = bufferShim.from(chunk, encoding);
+ encoding = '';
}
- } else {
- skipChunkCheck = true;
}
- return readableAddChunk(this, chunk, encoding, false, skipChunkCheck);
+ return readableAddChunk(this, state, chunk, encoding, false);
};
// Unshift should *always* be something directly out of read()
Readable.prototype.unshift = function (chunk) {
- return readableAddChunk(this, chunk, null, true, false);
+ var state = this._readableState;
+ return readableAddChunk(this, state, chunk, '', true);
};
-function readableAddChunk(stream, chunk, encoding, addToFront, skipChunkCheck) {
- var state = stream._readableState;
- if (chunk === null) {
+Readable.prototype.isPaused = function () {
+ return this._readableState.flowing === false;
+};
+
+function readableAddChunk(stream, state, chunk, encoding, addToFront) {
+ var er = chunkInvalid(state, chunk);
+ if (er) {
+ stream.emit('error', er);
+ } else if (chunk === null) {
state.reading = false;
onEofChunk(stream, state);
- } else {
- var er;
- if (!skipChunkCheck) er = chunkInvalid(state, chunk);
- if (er) {
- stream.emit('error', er);
- } else if (state.objectMode || chunk && chunk.length > 0) {
- if (typeof chunk !== 'string' && !state.objectMode && Object.getPrototypeOf(chunk) !== Buffer.prototype) {
- chunk = _uint8ArrayToBuffer(chunk);
- }
-
- if (addToFront) {
- if (state.endEmitted) stream.emit('error', new Error('stream.unshift() after end event'));else addChunk(stream, state, chunk, true);
- } else if (state.ended) {
- stream.emit('error', new Error('stream.push() after EOF'));
- } else {
- state.reading = false;
- if (state.decoder && !encoding) {
- chunk = state.decoder.write(chunk);
- if (state.objectMode || chunk.length !== 0) addChunk(stream, state, chunk, false);else maybeReadMore(stream, state);
+ } else if (state.objectMode || chunk && chunk.length > 0) {
+ if (state.ended && !addToFront) {
+ var e = new Error('stream.push() after EOF');
+ stream.emit('error', e);
+ } else if (state.endEmitted && addToFront) {
+ var _e = new Error('stream.unshift() after end event');
+ stream.emit('error', _e);
+ } else {
+ var skipAdd;
+ if (state.decoder && !addToFront && !encoding) {
+ chunk = state.decoder.write(chunk);
+ skipAdd = !state.objectMode && chunk.length === 0;
+ }
+
+ if (!addToFront) state.reading = false;
+
+ // Don't add to the buffer if we've decoded to an empty string chunk and
+ // we're not in object mode
+ if (!skipAdd) {
+ // if we want the data now, just emit it.
+ if (state.flowing && state.length === 0 && !state.sync) {
+ stream.emit('data', chunk);
+ stream.read(0);
} else {
- addChunk(stream, state, chunk, false);
+ // update the buffer info.
+ state.length += state.objectMode ? 1 : chunk.length;
+ if (addToFront) state.buffer.unshift(chunk);else state.buffer.push(chunk);
+
+ if (state.needReadable) emitReadable(stream);
}
}
- } else if (!addToFront) {
- state.reading = false;
+
+ maybeReadMore(stream, state);
}
+ } else if (!addToFront) {
+ state.reading = false;
}
return needMoreData(state);
}
-function addChunk(stream, state, chunk, addToFront) {
- if (state.flowing && state.length === 0 && !state.sync) {
- stream.emit('data', chunk);
- stream.read(0);
- } else {
- // update the buffer info.
- state.length += state.objectMode ? 1 : chunk.length;
- if (addToFront) state.buffer.unshift(chunk);else state.buffer.push(chunk);
-
- if (state.needReadable) emitReadable(stream);
- }
- maybeReadMore(stream, state);
-}
-
-function chunkInvalid(state, chunk) {
- var er;
- if (!_isUint8Array(chunk) && typeof chunk !== 'string' && chunk !== undefined && !state.objectMode) {
- er = new TypeError('Invalid non-string/buffer chunk');
- }
- return er;
-}
-
// if it's past the high water mark, we can push in some more.
// Also, if we have no data yet, we can stand some
// more bytes. This is to work around cases where hwm=0,
return !state.ended && (state.needReadable || state.length < state.highWaterMark || state.length === 0);
}
-Readable.prototype.isPaused = function () {
- return this._readableState.flowing === false;
-};
-
// backwards compatibility.
Readable.prototype.setEncoding = function (enc) {
if (!StringDecoder) StringDecoder = require('string_decoder/').StringDecoder;
return ret;
};
+function chunkInvalid(state, chunk) {
+ var er = null;
+ if (!Buffer.isBuffer(chunk) && typeof chunk !== 'string' && chunk !== null && chunk !== undefined && !state.objectMode) {
+ er = new TypeError('Invalid non-string/buffer chunk');
+ }
+ return er;
+}
+
function onEofChunk(stream, state) {
if (state.ended) return;
if (state.decoder) {
var doEnd = (!pipeOpts || pipeOpts.end !== false) && dest !== process.stdout && dest !== process.stderr;
- var endFn = doEnd ? onend : unpipe;
+ var endFn = doEnd ? onend : cleanup;
if (state.endEmitted) processNextTick(endFn);else src.once('end', endFn);
dest.on('unpipe', onunpipe);
- function onunpipe(readable, unpipeInfo) {
+ function onunpipe(readable) {
debug('onunpipe');
if (readable === src) {
- if (unpipeInfo && unpipeInfo.hasUnpiped === false) {
- unpipeInfo.hasUnpiped = true;
- cleanup();
- }
+ cleanup();
}
}
dest.removeListener('error', onerror);
dest.removeListener('unpipe', onunpipe);
src.removeListener('end', onend);
- src.removeListener('end', unpipe);
+ src.removeListener('end', cleanup);
src.removeListener('data', ondata);
cleanedUp = true;
Readable.prototype.unpipe = function (dest) {
var state = this._readableState;
- var unpipeInfo = { hasUnpiped: false };
// if we're not piping anywhere, then do nothing.
if (state.pipesCount === 0) return this;
state.pipes = null;
state.pipesCount = 0;
state.flowing = false;
- if (dest) dest.emit('unpipe', this, unpipeInfo);
+ if (dest) dest.emit('unpipe', this);
return this;
}
state.flowing = false;
for (var i = 0; i < len; i++) {
- dests[i].emit('unpipe', this, unpipeInfo);
+ dests[i].emit('unpipe', this);
}return this;
}
state.pipesCount -= 1;
if (state.pipesCount === 1) state.pipes = state.pipes[0];
- dest.emit('unpipe', this, unpipeInfo);
+ dest.emit('unpipe', this);
return this;
};
if (!state.reading) {
processNextTick(nReadingNextTick, this);
} else if (state.length) {
- emitReadable(this);
+ emitReadable(this, state);
}
}
}
// This function is designed to be inlinable, so please take care when making
// changes to the function body.
function copyFromBuffer(n, list) {
- var ret = Buffer.allocUnsafe(n);
+ var ret = bufferShim.allocUnsafe(n);
var p = list.head;
var c = 1;
p.data.copy(ret);
}
return -1;
}
-}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"./_stream_duplex":14,"./internal/streams/BufferList":19,"./internal/streams/destroy":20,"./internal/streams/stream":21,"_process":12,"core-util-is":5,"events":6,"inherits":8,"isarray":10,"process-nextick-args":11,"safe-buffer":26,"string_decoder/":28,"util":3}],17:[function(require,module,exports){
-// Copyright Joyent, Inc. and other Node contributors.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a
-// copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to permit
-// persons to whom the Software is furnished to do so, subject to the
-// following conditions:
-//
-// The above copyright notice and this permission notice shall be included
-// in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
-// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
-// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
-// USE OR OTHER DEALINGS IN THE SOFTWARE.
-
+}).call(this,require('_process'))
+},{"./_stream_duplex":15,"./internal/streams/BufferList":20,"./internal/streams/stream":21,"_process":13,"buffer":5,"buffer-shims":4,"core-util-is":6,"events":7,"inherits":9,"isarray":11,"process-nextick-args":12,"string_decoder/":22,"util":3}],18:[function(require,module,exports){
// a transform stream is a readable/writable stream where you do
// something with the data. Sometimes it's called a "filter",
// but that's not a great name for it, since that implies a thing where
var cb = ts.writecb;
- if (!cb) {
- return stream.emit('error', new Error('write callback called multiple times'));
- }
+ if (!cb) return stream.emit('error', new Error('no writecb in Transform class'));
ts.writechunk = null;
ts.writecb = null;
}
};
-Transform.prototype._destroy = function (err, cb) {
- var _this = this;
-
- Duplex.prototype._destroy.call(this, err, function (err2) {
- cb(err2);
- _this.emit('close');
- });
-};
-
function done(stream, er, data) {
if (er) return stream.emit('error', er);
return stream.push(null);
}
-},{"./_stream_duplex":14,"core-util-is":5,"inherits":8}],18:[function(require,module,exports){
-(function (process,global){
-// Copyright Joyent, Inc. and other Node contributors.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a
-// copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to permit
-// persons to whom the Software is furnished to do so, subject to the
-// following conditions:
-//
-// The above copyright notice and this permission notice shall be included
-// in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
-// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
-// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
-// USE OR OTHER DEALINGS IN THE SOFTWARE.
-
+},{"./_stream_duplex":15,"core-util-is":6,"inherits":9}],19:[function(require,module,exports){
+(function (process){
// A bit simpler than readable streams.
// Implement an async ._write(chunk, encoding, cb), and it'll handle all
// the drain event emission and buffering.
'use strict';
-/*<replacement>*/
+module.exports = Writable;
+/*<replacement>*/
var processNextTick = require('process-nextick-args');
/*</replacement>*/
-module.exports = Writable;
-
-/* <replacement> */
-function WriteReq(chunk, encoding, cb) {
- this.chunk = chunk;
- this.encoding = encoding;
- this.callback = cb;
- this.next = null;
-}
-
-// It seems a linked list but it is not
-// there will be only 2 of these for each stream
-function CorkedRequest(state) {
- var _this = this;
-
- this.next = null;
- this.entry = null;
- this.finish = function () {
- onCorkedFinish(_this, state);
- };
-}
-/* </replacement> */
-
/*<replacement>*/
var asyncWrite = !process.browser && ['v0.10', 'v0.9.'].indexOf(process.version.slice(0, 5)) > -1 ? setImmediate : processNextTick;
/*</replacement>*/
var Stream = require('./internal/streams/stream');
/*</replacement>*/
+var Buffer = require('buffer').Buffer;
/*<replacement>*/
-var Buffer = require('safe-buffer').Buffer;
-var OurUint8Array = global.Uint8Array || function () {};
-function _uint8ArrayToBuffer(chunk) {
- return Buffer.from(chunk);
-}
-function _isUint8Array(obj) {
- return Buffer.isBuffer(obj) || obj instanceof OurUint8Array;
-}
+var bufferShim = require('buffer-shims');
/*</replacement>*/
-var destroyImpl = require('./internal/streams/destroy');
-
util.inherits(Writable, Stream);
function nop() {}
+function WriteReq(chunk, encoding, cb) {
+ this.chunk = chunk;
+ this.encoding = encoding;
+ this.callback = cb;
+ this.next = null;
+}
+
function WritableState(options, stream) {
Duplex = Duplex || require('./_stream_duplex');
this.highWaterMark = hwm || hwm === 0 ? hwm : defaultHwm;
// cast to ints.
- this.highWaterMark = Math.floor(this.highWaterMark);
-
- // if _final has been called
- this.finalCalled = false;
+ this.highWaterMark = ~~this.highWaterMark;
// drain event flag.
this.needDrain = false;
// when 'finish' is emitted
this.finished = false;
- // has it been destroyed
- this.destroyed = false;
-
// should we decode strings into buffers before passing to _write?
// this is here so that some node-core streams can optimize string
// handling at a lower level.
Object.defineProperty(WritableState.prototype, 'buffer', {
get: internalUtil.deprecate(function () {
return this.getBuffer();
- }, '_writableState.buffer is deprecated. Use _writableState.getBuffer ' + 'instead.', 'DEP0003')
+ }, '_writableState.buffer is deprecated. Use _writableState.getBuffer ' + 'instead.')
});
} catch (_) {}
})();
if (typeof options.write === 'function') this._write = options.write;
if (typeof options.writev === 'function') this._writev = options.writev;
-
- if (typeof options.destroy === 'function') this._destroy = options.destroy;
-
- if (typeof options.final === 'function') this._final = options.final;
}
Stream.call(this);
Writable.prototype.write = function (chunk, encoding, cb) {
var state = this._writableState;
var ret = false;
- var isBuf = _isUint8Array(chunk) && !state.objectMode;
-
- if (isBuf && !Buffer.isBuffer(chunk)) {
- chunk = _uint8ArrayToBuffer(chunk);
- }
+ var isBuf = Buffer.isBuffer(chunk);
if (typeof encoding === 'function') {
cb = encoding;
function decodeChunk(state, chunk, encoding) {
if (!state.objectMode && state.decodeStrings !== false && typeof chunk === 'string') {
- chunk = Buffer.from(chunk, encoding);
+ chunk = bufferShim.from(chunk, encoding);
}
return chunk;
}
// If we return false, then we need a drain event, so set that flag.
function writeOrBuffer(stream, state, isBuf, chunk, encoding, cb) {
if (!isBuf) {
- var newChunk = decodeChunk(state, chunk, encoding);
- if (chunk !== newChunk) {
- isBuf = true;
- encoding = 'buffer';
- chunk = newChunk;
- }
+ chunk = decodeChunk(state, chunk, encoding);
+ if (Buffer.isBuffer(chunk)) encoding = 'buffer';
}
var len = state.objectMode ? 1 : chunk.length;
if (state.writing || state.corked) {
var last = state.lastBufferedRequest;
- state.lastBufferedRequest = {
- chunk: chunk,
- encoding: encoding,
- isBuf: isBuf,
- callback: cb,
- next: null
- };
+ state.lastBufferedRequest = new WriteReq(chunk, encoding, cb);
if (last) {
last.next = state.lastBufferedRequest;
} else {
function onwriteError(stream, state, sync, er, cb) {
--state.pendingcb;
+ if (sync) processNextTick(cb, er);else cb(er);
- if (sync) {
- // defer the callback if we are being called synchronously
- // to avoid piling up things on the stack
- processNextTick(cb, er);
- // this can emit finish, and it will always happen
- // after error
- processNextTick(finishMaybe, stream, state);
- stream._writableState.errorEmitted = true;
- stream.emit('error', er);
- } else {
- // the caller expect this to happen before if
- // it is async
- cb(er);
- stream._writableState.errorEmitted = true;
- stream.emit('error', er);
- // this can emit finish, but finish must
- // always follow error
- finishMaybe(stream, state);
- }
+ stream._writableState.errorEmitted = true;
+ stream.emit('error', er);
}
function onwriteStateUpdate(state) {
holder.entry = entry;
var count = 0;
- var allBuffers = true;
while (entry) {
buffer[count] = entry;
- if (!entry.isBuf) allBuffers = false;
entry = entry.next;
count += 1;
}
- buffer.allBuffers = allBuffers;
doWrite(stream, state, true, state.length, buffer, '', holder.finish);
function needFinish(state) {
return state.ending && state.length === 0 && state.bufferedRequest === null && !state.finished && !state.writing;
}
-function callFinal(stream, state) {
- stream._final(function (err) {
- state.pendingcb--;
- if (err) {
- stream.emit('error', err);
- }
+
+function prefinish(stream, state) {
+ if (!state.prefinished) {
state.prefinished = true;
stream.emit('prefinish');
- finishMaybe(stream, state);
- });
-}
-function prefinish(stream, state) {
- if (!state.prefinished && !state.finalCalled) {
- if (typeof stream._final === 'function') {
- state.pendingcb++;
- state.finalCalled = true;
- processNextTick(callFinal, stream, state);
- } else {
- state.prefinished = true;
- stream.emit('prefinish');
- }
}
}
function finishMaybe(stream, state) {
var need = needFinish(state);
if (need) {
- prefinish(stream, state);
if (state.pendingcb === 0) {
+ prefinish(stream, state);
state.finished = true;
stream.emit('finish');
+ } else {
+ prefinish(stream, state);
}
}
return need;
stream.writable = false;
}
-function onCorkedFinish(corkReq, state, err) {
- var entry = corkReq.entry;
- corkReq.entry = null;
- while (entry) {
- var cb = entry.callback;
- state.pendingcb--;
- cb(err);
- entry = entry.next;
- }
- if (state.corkedRequestsFree) {
- state.corkedRequestsFree.next = corkReq;
- } else {
- state.corkedRequestsFree = corkReq;
- }
-}
+// It seems a linked list but it is not
+// there will be only 2 of these for each stream
+function CorkedRequest(state) {
+ var _this = this;
-Object.defineProperty(Writable.prototype, 'destroyed', {
- get: function () {
- if (this._writableState === undefined) {
- return false;
+ this.next = null;
+ this.entry = null;
+ this.finish = function (err) {
+ var entry = _this.entry;
+ _this.entry = null;
+ while (entry) {
+ var cb = entry.callback;
+ state.pendingcb--;
+ cb(err);
+ entry = entry.next;
}
- return this._writableState.destroyed;
- },
- set: function (value) {
- // we ignore the value if the stream
- // has not been initialized yet
- if (!this._writableState) {
- return;
+ if (state.corkedRequestsFree) {
+ state.corkedRequestsFree.next = _this;
+ } else {
+ state.corkedRequestsFree = _this;
}
-
- // backward compatibility, the user is explicitly
- // managing destroyed
- this._writableState.destroyed = value;
- }
-});
-
-Writable.prototype.destroy = destroyImpl.destroy;
-Writable.prototype._undestroy = destroyImpl.undestroy;
-Writable.prototype._destroy = function (err, cb) {
- this.end();
- cb(err);
-};
-}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"./_stream_duplex":14,"./internal/streams/destroy":20,"./internal/streams/stream":21,"_process":12,"core-util-is":5,"inherits":8,"process-nextick-args":11,"safe-buffer":26,"util-deprecate":29}],19:[function(require,module,exports){
+ };
+}
+}).call(this,require('_process'))
+},{"./_stream_duplex":15,"./internal/streams/stream":21,"_process":13,"buffer":5,"buffer-shims":4,"core-util-is":6,"inherits":9,"process-nextick-args":12,"util-deprecate":30}],20:[function(require,module,exports){
'use strict';
+var Buffer = require('buffer').Buffer;
/*<replacement>*/
-
-function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
-
-var Buffer = require('safe-buffer').Buffer;
+var bufferShim = require('buffer-shims');
/*</replacement>*/
-function copyBuffer(src, target, offset) {
- src.copy(target, offset);
-}
-
-module.exports = function () {
- function BufferList() {
- _classCallCheck(this, BufferList);
-
- this.head = null;
- this.tail = null;
- this.length = 0;
- }
-
- BufferList.prototype.push = function push(v) {
- var entry = { data: v, next: null };
- if (this.length > 0) this.tail.next = entry;else this.head = entry;
- this.tail = entry;
- ++this.length;
- };
-
- BufferList.prototype.unshift = function unshift(v) {
- var entry = { data: v, next: this.head };
- if (this.length === 0) this.tail = entry;
- this.head = entry;
- ++this.length;
- };
-
- BufferList.prototype.shift = function shift() {
- if (this.length === 0) return;
- var ret = this.head.data;
- if (this.length === 1) this.head = this.tail = null;else this.head = this.head.next;
- --this.length;
- return ret;
- };
-
- BufferList.prototype.clear = function clear() {
- this.head = this.tail = null;
- this.length = 0;
- };
-
- BufferList.prototype.join = function join(s) {
- if (this.length === 0) return '';
- var p = this.head;
- var ret = '' + p.data;
- while (p = p.next) {
- ret += s + p.data;
- }return ret;
- };
+module.exports = BufferList;
- BufferList.prototype.concat = function concat(n) {
- if (this.length === 0) return Buffer.alloc(0);
- if (this.length === 1) return this.head.data;
- var ret = Buffer.allocUnsafe(n >>> 0);
- var p = this.head;
- var i = 0;
- while (p) {
- copyBuffer(p.data, ret, i);
- i += p.data.length;
- p = p.next;
- }
- return ret;
- };
+function BufferList() {
+ this.head = null;
+ this.tail = null;
+ this.length = 0;
+}
- return BufferList;
-}();
-},{"safe-buffer":26}],20:[function(require,module,exports){
-'use strict';
+BufferList.prototype.push = function (v) {
+ var entry = { data: v, next: null };
+ if (this.length > 0) this.tail.next = entry;else this.head = entry;
+ this.tail = entry;
+ ++this.length;
+};
-/*<replacement>*/
+BufferList.prototype.unshift = function (v) {
+ var entry = { data: v, next: this.head };
+ if (this.length === 0) this.tail = entry;
+ this.head = entry;
+ ++this.length;
+};
-var processNextTick = require('process-nextick-args');
-/*</replacement>*/
+BufferList.prototype.shift = function () {
+ if (this.length === 0) return;
+ var ret = this.head.data;
+ if (this.length === 1) this.head = this.tail = null;else this.head = this.head.next;
+ --this.length;
+ return ret;
+};
-// undocumented cb() API, needed for core, not for public API
-function destroy(err, cb) {
- var _this = this;
+BufferList.prototype.clear = function () {
+ this.head = this.tail = null;
+ this.length = 0;
+};
- var readableDestroyed = this._readableState && this._readableState.destroyed;
- var writableDestroyed = this._writableState && this._writableState.destroyed;
+BufferList.prototype.join = function (s) {
+ if (this.length === 0) return '';
+ var p = this.head;
+ var ret = '' + p.data;
+ while (p = p.next) {
+ ret += s + p.data;
+ }return ret;
+};
- if (readableDestroyed || writableDestroyed) {
- if (cb) {
- cb(err);
- } else if (err && (!this._writableState || !this._writableState.errorEmitted)) {
- processNextTick(emitErrorNT, this, err);
- }
- return;
+BufferList.prototype.concat = function (n) {
+ if (this.length === 0) return bufferShim.alloc(0);
+ if (this.length === 1) return this.head.data;
+ var ret = bufferShim.allocUnsafe(n >>> 0);
+ var p = this.head;
+ var i = 0;
+ while (p) {
+ p.data.copy(ret, i);
+ i += p.data.length;
+ p = p.next;
}
+ return ret;
+};
+},{"buffer":5,"buffer-shims":4}],21:[function(require,module,exports){
+module.exports = require('events').EventEmitter;
- // we set destroyed to true before firing error callbacks in order
- // to make it re-entrance safe in case destroy() is called within callbacks
+},{"events":7}],22:[function(require,module,exports){
+'use strict';
- if (this._readableState) {
- this._readableState.destroyed = true;
- }
+var Buffer = require('safe-buffer').Buffer;
- // if this is a duplex stream mark the writable part as destroyed as well
- if (this._writableState) {
- this._writableState.destroyed = true;
+var isEncoding = Buffer.isEncoding || function (encoding) {
+ encoding = '' + encoding;
+ switch (encoding && encoding.toLowerCase()) {
+ case 'hex':case 'utf8':case 'utf-8':case 'ascii':case 'binary':case 'base64':case 'ucs2':case 'ucs-2':case 'utf16le':case 'utf-16le':case 'raw':
+ return true;
+ default:
+ return false;
}
+};
- this._destroy(err || null, function (err) {
- if (!cb && err) {
- processNextTick(emitErrorNT, _this, err);
- if (_this._writableState) {
- _this._writableState.errorEmitted = true;
- }
- } else if (cb) {
- cb(err);
+function _normalizeEncoding(enc) {
+ if (!enc) return 'utf8';
+ var retried;
+ while (true) {
+ switch (enc) {
+ case 'utf8':
+ case 'utf-8':
+ return 'utf8';
+ case 'ucs2':
+ case 'ucs-2':
+ case 'utf16le':
+ case 'utf-16le':
+ return 'utf16le';
+ case 'latin1':
+ case 'binary':
+ return 'latin1';
+ case 'base64':
+ case 'ascii':
+ case 'hex':
+ return enc;
+ default:
+ if (retried) return; // undefined
+ enc = ('' + enc).toLowerCase();
+ retried = true;
}
- });
-}
-
-function undestroy() {
- if (this._readableState) {
- this._readableState.destroyed = false;
- this._readableState.reading = false;
- this._readableState.ended = false;
- this._readableState.endEmitted = false;
}
+};
- if (this._writableState) {
- this._writableState.destroyed = false;
- this._writableState.ended = false;
- this._writableState.ending = false;
- this._writableState.finished = false;
- this._writableState.errorEmitted = false;
- }
+// Do not cache `Buffer.isEncoding` when checking encoding names as some
+// modules monkey-patch it to support additional encodings
+function normalizeEncoding(enc) {
+ var nenc = _normalizeEncoding(enc);
+ if (typeof nenc !== 'string' && (Buffer.isEncoding === isEncoding || !isEncoding(enc))) throw new Error('Unknown encoding: ' + enc);
+ return nenc || enc;
}
-function emitErrorNT(self, err) {
- self.emit('error', err);
+// StringDecoder provides an interface for efficiently splitting a series of
+// buffers into a series of JS strings without breaking apart multi-byte
+// characters.
+exports.StringDecoder = StringDecoder;
+function StringDecoder(encoding) {
+ this.encoding = normalizeEncoding(encoding);
+ var nb;
+ switch (this.encoding) {
+ case 'utf16le':
+ this.text = utf16Text;
+ this.end = utf16End;
+ nb = 4;
+ break;
+ case 'utf8':
+ this.fillLast = utf8FillLast;
+ nb = 4;
+ break;
+ case 'base64':
+ this.text = base64Text;
+ this.end = base64End;
+ nb = 3;
+ break;
+ default:
+ this.write = simpleWrite;
+ this.end = simpleEnd;
+ return;
+ }
+ this.lastNeed = 0;
+ this.lastTotal = 0;
+ this.lastChar = Buffer.allocUnsafe(nb);
}
-module.exports = {
- destroy: destroy,
- undestroy: undestroy
+StringDecoder.prototype.write = function (buf) {
+ if (buf.length === 0) return '';
+ var r;
+ var i;
+ if (this.lastNeed) {
+ r = this.fillLast(buf);
+ if (r === undefined) return '';
+ i = this.lastNeed;
+ this.lastNeed = 0;
+ } else {
+ i = 0;
+ }
+ if (i < buf.length) return r ? r + this.text(buf, i) : this.text(buf, i);
+ return r || '';
};
-},{"process-nextick-args":11}],21:[function(require,module,exports){
-module.exports = require('events').EventEmitter;
-},{"events":6}],22:[function(require,module,exports){
-module.exports = require('./readable').PassThrough
-
-},{"./readable":23}],23:[function(require,module,exports){
-exports = module.exports = require('./lib/_stream_readable.js');
-exports.Stream = exports;
-exports.Readable = exports;
-exports.Writable = require('./lib/_stream_writable.js');
-exports.Duplex = require('./lib/_stream_duplex.js');
-exports.Transform = require('./lib/_stream_transform.js');
-exports.PassThrough = require('./lib/_stream_passthrough.js');
+StringDecoder.prototype.end = utf8End;
-},{"./lib/_stream_duplex.js":14,"./lib/_stream_passthrough.js":15,"./lib/_stream_readable.js":16,"./lib/_stream_transform.js":17,"./lib/_stream_writable.js":18}],24:[function(require,module,exports){
-module.exports = require('./readable').Transform
+// Returns only complete characters in a Buffer
+StringDecoder.prototype.text = utf8Text;
-},{"./readable":23}],25:[function(require,module,exports){
-module.exports = require('./lib/_stream_writable.js');
+// Attempts to complete a partial non-UTF-8 character using bytes from a Buffer
+StringDecoder.prototype.fillLast = function (buf) {
+ if (this.lastNeed <= buf.length) {
+ buf.copy(this.lastChar, this.lastTotal - this.lastNeed, 0, this.lastNeed);
+ return this.lastChar.toString(this.encoding, 0, this.lastTotal);
+ }
+ buf.copy(this.lastChar, this.lastTotal - this.lastNeed, 0, buf.length);
+ this.lastNeed -= buf.length;
+};
-},{"./lib/_stream_writable.js":18}],26:[function(require,module,exports){
-/* eslint-disable node/no-deprecated-api */
-var buffer = require('buffer')
-var Buffer = buffer.Buffer
+// Checks the type of a UTF-8 byte, whether it's ASCII, a leading byte, or a
+// continuation byte.
+function utf8CheckByte(byte) {
+ if (byte <= 0x7F) return 0;else if (byte >> 5 === 0x06) return 2;else if (byte >> 4 === 0x0E) return 3;else if (byte >> 3 === 0x1E) return 4;
+ return -1;
+}
-// alternative to using Object.keys for old browsers
-function copyProps (src, dst) {
- for (var key in src) {
- dst[key] = src[key]
+// Checks at most 3 bytes at the end of a Buffer in order to detect an
+// incomplete multi-byte UTF-8 character. The total number of bytes (2, 3, or 4)
+// needed to complete the UTF-8 character (if applicable) are returned.
+function utf8CheckIncomplete(self, buf, i) {
+ var j = buf.length - 1;
+ if (j < i) return 0;
+ var nb = utf8CheckByte(buf[j]);
+ if (nb >= 0) {
+ if (nb > 0) self.lastNeed = nb - 1;
+ return nb;
+ }
+ if (--j < i) return 0;
+ nb = utf8CheckByte(buf[j]);
+ if (nb >= 0) {
+ if (nb > 0) self.lastNeed = nb - 2;
+ return nb;
+ }
+ if (--j < i) return 0;
+ nb = utf8CheckByte(buf[j]);
+ if (nb >= 0) {
+ if (nb > 0) {
+ if (nb === 2) nb = 0;else self.lastNeed = nb - 3;
+ }
+ return nb;
}
+ return 0;
}
-if (Buffer.from && Buffer.alloc && Buffer.allocUnsafe && Buffer.allocUnsafeSlow) {
- module.exports = buffer
-} else {
- // Copy properties from require('buffer')
- copyProps(buffer, exports)
- exports.Buffer = SafeBuffer
+
+// Validates as many continuation bytes for a multi-byte UTF-8 character as
+// needed or are available. If we see a non-continuation byte where we expect
+// one, we "replace" the validated continuation bytes we've seen so far with
+// UTF-8 replacement characters ('\ufffd'), to match v8's UTF-8 decoding
+// behavior. The continuation byte check is included three times in the case
+// where all of the continuation bytes for a character exist in the same buffer.
+// It is also done this way as a slight performance increase instead of using a
+// loop.
+function utf8CheckExtraBytes(self, buf, p) {
+ if ((buf[0] & 0xC0) !== 0x80) {
+ self.lastNeed = 0;
+ return '\ufffd'.repeat(p);
+ }
+ if (self.lastNeed > 1 && buf.length > 1) {
+ if ((buf[1] & 0xC0) !== 0x80) {
+ self.lastNeed = 1;
+ return '\ufffd'.repeat(p + 1);
+ }
+ if (self.lastNeed > 2 && buf.length > 2) {
+ if ((buf[2] & 0xC0) !== 0x80) {
+ self.lastNeed = 2;
+ return '\ufffd'.repeat(p + 2);
+ }
+ }
+ }
}
-function SafeBuffer (arg, encodingOrOffset, length) {
- return Buffer(arg, encodingOrOffset, length)
+// Attempts to complete a multi-byte UTF-8 character using bytes from a Buffer.
+function utf8FillLast(buf) {
+ var p = this.lastTotal - this.lastNeed;
+ var r = utf8CheckExtraBytes(this, buf, p);
+ if (r !== undefined) return r;
+ if (this.lastNeed <= buf.length) {
+ buf.copy(this.lastChar, p, 0, this.lastNeed);
+ return this.lastChar.toString(this.encoding, 0, this.lastTotal);
+ }
+ buf.copy(this.lastChar, p, 0, buf.length);
+ this.lastNeed -= buf.length;
}
-// Copy static methods from Buffer
-copyProps(Buffer, SafeBuffer)
+// Returns all complete UTF-8 characters in a Buffer. If the Buffer ended on a
+// partial character, the character's bytes are buffered until the required
+// number of bytes are available.
+function utf8Text(buf, i) {
+ var total = utf8CheckIncomplete(this, buf, i);
+ if (!this.lastNeed) return buf.toString('utf8', i);
+ this.lastTotal = total;
+ var end = buf.length - (total - this.lastNeed);
+ buf.copy(this.lastChar, 0, end);
+ return buf.toString('utf8', i, end);
+}
-SafeBuffer.from = function (arg, encodingOrOffset, length) {
- if (typeof arg === 'number') {
- throw new TypeError('Argument must not be a number')
- }
- return Buffer(arg, encodingOrOffset, length)
+// For UTF-8, a replacement character for each buffered byte of a (partial)
+// character needs to be added to the output.
+function utf8End(buf) {
+ var r = buf && buf.length ? this.write(buf) : '';
+ if (this.lastNeed) return r + '\ufffd'.repeat(this.lastTotal - this.lastNeed);
+ return r;
}
-SafeBuffer.alloc = function (size, fill, encoding) {
- if (typeof size !== 'number') {
- throw new TypeError('Argument must be a number')
- }
- var buf = Buffer(size)
- if (fill !== undefined) {
- if (typeof encoding === 'string') {
- buf.fill(fill, encoding)
- } else {
- buf.fill(fill)
+// UTF-16LE typically needs two bytes per character, but even if we have an even
+// number of bytes available, we need to check if we end on a leading/high
+// surrogate. In that case, we need to wait for the next two bytes in order to
+// decode the last character properly.
+function utf16Text(buf, i) {
+ if ((buf.length - i) % 2 === 0) {
+ var r = buf.toString('utf16le', i);
+ if (r) {
+ var c = r.charCodeAt(r.length - 1);
+ if (c >= 0xD800 && c <= 0xDBFF) {
+ this.lastNeed = 2;
+ this.lastTotal = 4;
+ this.lastChar[0] = buf[buf.length - 2];
+ this.lastChar[1] = buf[buf.length - 1];
+ return r.slice(0, -1);
+ }
}
- } else {
- buf.fill(0)
+ return r;
}
- return buf
+ this.lastNeed = 1;
+ this.lastTotal = 2;
+ this.lastChar[0] = buf[buf.length - 1];
+ return buf.toString('utf16le', i, buf.length - 1);
}
-SafeBuffer.allocUnsafe = function (size) {
- if (typeof size !== 'number') {
- throw new TypeError('Argument must be a number')
+// For UTF-16LE we do not explicitly append special replacement characters if we
+// end on a partial character, we simply let v8 handle that.
+function utf16End(buf) {
+ var r = buf && buf.length ? this.write(buf) : '';
+ if (this.lastNeed) {
+ var end = this.lastTotal - this.lastNeed;
+ return r + this.lastChar.toString('utf16le', 0, end);
}
- return Buffer(size)
+ return r;
}
-SafeBuffer.allocUnsafeSlow = function (size) {
- if (typeof size !== 'number') {
- throw new TypeError('Argument must be a number')
+function base64Text(buf, i) {
+ var n = (buf.length - i) % 3;
+ if (n === 0) return buf.toString('base64', i);
+ this.lastNeed = 3 - n;
+ this.lastTotal = 3;
+ if (n === 1) {
+ this.lastChar[0] = buf[buf.length - 1];
+ } else {
+ this.lastChar[0] = buf[buf.length - 2];
+ this.lastChar[1] = buf[buf.length - 1];
}
- return buffer.SlowBuffer(size)
+ return buf.toString('base64', i, buf.length - n);
+}
+
+function base64End(buf) {
+ var r = buf && buf.length ? this.write(buf) : '';
+ if (this.lastNeed) return r + this.lastChar.toString('base64', 0, 3 - this.lastNeed);
+ return r;
+}
+
+// Pass bytes on through for single-byte encodings (e.g. ascii, latin1, hex)
+function simpleWrite(buf) {
+ return buf.toString(this.encoding);
+}
+
+function simpleEnd(buf) {
+ return buf && buf.length ? this.write(buf) : '';
}
+},{"safe-buffer":27}],23:[function(require,module,exports){
+module.exports = require('./readable').PassThrough
+
+},{"./readable":24}],24:[function(require,module,exports){
+exports = module.exports = require('./lib/_stream_readable.js');
+exports.Stream = exports;
+exports.Readable = exports;
+exports.Writable = require('./lib/_stream_writable.js');
+exports.Duplex = require('./lib/_stream_duplex.js');
+exports.Transform = require('./lib/_stream_transform.js');
+exports.PassThrough = require('./lib/_stream_passthrough.js');
+
+},{"./lib/_stream_duplex.js":15,"./lib/_stream_passthrough.js":16,"./lib/_stream_readable.js":17,"./lib/_stream_transform.js":18,"./lib/_stream_writable.js":19}],25:[function(require,module,exports){
+module.exports = require('./readable').Transform
+
+},{"./readable":24}],26:[function(require,module,exports){
+module.exports = require('./lib/_stream_writable.js');
+
+},{"./lib/_stream_writable.js":19}],27:[function(require,module,exports){
+module.exports = require('buffer')
-},{"buffer":4}],27:[function(require,module,exports){
+},{"buffer":5}],28:[function(require,module,exports){
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
return dest;
};
-},{"events":6,"inherits":8,"readable-stream/duplex.js":13,"readable-stream/passthrough.js":22,"readable-stream/readable.js":23,"readable-stream/transform.js":24,"readable-stream/writable.js":25}],28:[function(require,module,exports){
-'use strict';
+},{"events":7,"inherits":9,"readable-stream/duplex.js":14,"readable-stream/passthrough.js":23,"readable-stream/readable.js":24,"readable-stream/transform.js":25,"readable-stream/writable.js":26}],29:[function(require,module,exports){
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
-var Buffer = require('safe-buffer').Buffer;
+var Buffer = require('buffer').Buffer;
-var isEncoding = Buffer.isEncoding || function (encoding) {
- encoding = '' + encoding;
- switch (encoding && encoding.toLowerCase()) {
- case 'hex':case 'utf8':case 'utf-8':case 'ascii':case 'binary':case 'base64':case 'ucs2':case 'ucs-2':case 'utf16le':case 'utf-16le':case 'raw':
- return true;
- default:
- return false;
- }
-};
+var isBufferEncoding = Buffer.isEncoding
+ || function(encoding) {
+ switch (encoding && encoding.toLowerCase()) {
+ case 'hex': case 'utf8': case 'utf-8': case 'ascii': case 'binary': case 'base64': case 'ucs2': case 'ucs-2': case 'utf16le': case 'utf-16le': case 'raw': return true;
+ default: return false;
+ }
+ }
-function _normalizeEncoding(enc) {
- if (!enc) return 'utf8';
- var retried;
- while (true) {
- switch (enc) {
- case 'utf8':
- case 'utf-8':
- return 'utf8';
- case 'ucs2':
- case 'ucs-2':
- case 'utf16le':
- case 'utf-16le':
- return 'utf16le';
- case 'latin1':
- case 'binary':
- return 'latin1';
- case 'base64':
- case 'ascii':
- case 'hex':
- return enc;
- default:
- if (retried) return; // undefined
- enc = ('' + enc).toLowerCase();
- retried = true;
- }
- }
-};
-// Do not cache `Buffer.isEncoding` when checking encoding names as some
-// modules monkey-patch it to support additional encodings
-function normalizeEncoding(enc) {
- var nenc = _normalizeEncoding(enc);
- if (typeof nenc !== 'string' && (Buffer.isEncoding === isEncoding || !isEncoding(enc))) throw new Error('Unknown encoding: ' + enc);
- return nenc || enc;
+function assertEncoding(encoding) {
+ if (encoding && !isBufferEncoding(encoding)) {
+ throw new Error('Unknown encoding: ' + encoding);
+ }
}
// StringDecoder provides an interface for efficiently splitting a series of
// buffers into a series of JS strings without breaking apart multi-byte
-// characters.
-exports.StringDecoder = StringDecoder;
-function StringDecoder(encoding) {
- this.encoding = normalizeEncoding(encoding);
- var nb;
+// characters. CESU-8 is handled as part of the UTF-8 encoding.
+//
+// @TODO Handling all encodings inside a single object makes it very difficult
+// to reason about this code, so it should be split up in the future.
+// @TODO There should be a utf8-strict encoding that rejects invalid UTF-8 code
+// points as used by CESU-8.
+var StringDecoder = exports.StringDecoder = function(encoding) {
+ this.encoding = (encoding || 'utf8').toLowerCase().replace(/[-_]/, '');
+ assertEncoding(encoding);
switch (this.encoding) {
- case 'utf16le':
- this.text = utf16Text;
- this.end = utf16End;
- nb = 4;
- break;
case 'utf8':
- this.fillLast = utf8FillLast;
- nb = 4;
+ // CESU-8 represents each of Surrogate Pair by 3-bytes
+ this.surrogateSize = 3;
+ break;
+ case 'ucs2':
+ case 'utf16le':
+ // UTF-16 represents each of Surrogate Pair by 2-bytes
+ this.surrogateSize = 2;
+ this.detectIncompleteChar = utf16DetectIncompleteChar;
break;
case 'base64':
- this.text = base64Text;
- this.end = base64End;
- nb = 3;
+ // Base-64 stores 3 bytes in 4 chars, and pads the remainder.
+ this.surrogateSize = 3;
+ this.detectIncompleteChar = base64DetectIncompleteChar;
break;
default:
- this.write = simpleWrite;
- this.end = simpleEnd;
+ this.write = passThroughWrite;
return;
}
- this.lastNeed = 0;
- this.lastTotal = 0;
- this.lastChar = Buffer.allocUnsafe(nb);
-}
-StringDecoder.prototype.write = function (buf) {
- if (buf.length === 0) return '';
- var r;
- var i;
- if (this.lastNeed) {
- r = this.fillLast(buf);
- if (r === undefined) return '';
- i = this.lastNeed;
- this.lastNeed = 0;
- } else {
- i = 0;
- }
- if (i < buf.length) return r ? r + this.text(buf, i) : this.text(buf, i);
- return r || '';
+ // Enough space to store all bytes of a single character. UTF-8 needs 4
+ // bytes, but CESU-8 may require up to 6 (3 bytes per surrogate).
+ this.charBuffer = new Buffer(6);
+ // Number of bytes received for the current incomplete multi-byte character.
+ this.charReceived = 0;
+ // Number of bytes expected for the current incomplete multi-byte character.
+ this.charLength = 0;
};
-StringDecoder.prototype.end = utf8End;
-// Returns only complete characters in a Buffer
-StringDecoder.prototype.text = utf8Text;
+// write decodes the given buffer and returns it as JS string that is
+// guaranteed to not contain any partial multi-byte characters. Any partial
+// character found at the end of the buffer is buffered up, and will be
+// returned when calling write again with the remaining bytes.
+//
+// Note: Converting a Buffer containing an orphan surrogate to a String
+// currently works, but converting a String to a Buffer (via `new Buffer`, or
+// Buffer#write) will replace incomplete surrogates with the unicode
+// replacement character. See https://codereview.chromium.org/121173009/ .
+StringDecoder.prototype.write = function(buffer) {
+ var charStr = '';
+ // if our last write ended with an incomplete multibyte character
+ while (this.charLength) {
+ // determine how many remaining bytes this buffer has to offer for this char
+ var available = (buffer.length >= this.charLength - this.charReceived) ?
+ this.charLength - this.charReceived :
+ buffer.length;
+
+ // add the new bytes to the char buffer
+ buffer.copy(this.charBuffer, this.charReceived, 0, available);
+ this.charReceived += available;
+
+ if (this.charReceived < this.charLength) {
+ // still not enough chars in this buffer? wait for more ...
+ return '';
+ }
-// Attempts to complete a partial non-UTF-8 character using bytes from a Buffer
-StringDecoder.prototype.fillLast = function (buf) {
- if (this.lastNeed <= buf.length) {
- buf.copy(this.lastChar, this.lastTotal - this.lastNeed, 0, this.lastNeed);
- return this.lastChar.toString(this.encoding, 0, this.lastTotal);
- }
- buf.copy(this.lastChar, this.lastTotal - this.lastNeed, 0, buf.length);
- this.lastNeed -= buf.length;
-};
+ // remove bytes belonging to the current character from the buffer
+ buffer = buffer.slice(available, buffer.length);
-// Checks the type of a UTF-8 byte, whether it's ASCII, a leading byte, or a
-// continuation byte.
-function utf8CheckByte(byte) {
- if (byte <= 0x7F) return 0;else if (byte >> 5 === 0x06) return 2;else if (byte >> 4 === 0x0E) return 3;else if (byte >> 3 === 0x1E) return 4;
- return -1;
-}
+ // get the character that was split
+ charStr = this.charBuffer.slice(0, this.charLength).toString(this.encoding);
-// Checks at most 3 bytes at the end of a Buffer in order to detect an
-// incomplete multi-byte UTF-8 character. The total number of bytes (2, 3, or 4)
-// needed to complete the UTF-8 character (if applicable) are returned.
-function utf8CheckIncomplete(self, buf, i) {
- var j = buf.length - 1;
- if (j < i) return 0;
- var nb = utf8CheckByte(buf[j]);
- if (nb >= 0) {
- if (nb > 0) self.lastNeed = nb - 1;
- return nb;
- }
- if (--j < i) return 0;
- nb = utf8CheckByte(buf[j]);
- if (nb >= 0) {
- if (nb > 0) self.lastNeed = nb - 2;
- return nb;
- }
- if (--j < i) return 0;
- nb = utf8CheckByte(buf[j]);
- if (nb >= 0) {
- if (nb > 0) {
- if (nb === 2) nb = 0;else self.lastNeed = nb - 3;
+ // CESU-8: lead surrogate (D800-DBFF) is also the incomplete character
+ var charCode = charStr.charCodeAt(charStr.length - 1);
+ if (charCode >= 0xD800 && charCode <= 0xDBFF) {
+ this.charLength += this.surrogateSize;
+ charStr = '';
+ continue;
}
- return nb;
- }
- return 0;
-}
+ this.charReceived = this.charLength = 0;
-// Validates as many continuation bytes for a multi-byte UTF-8 character as
-// needed or are available. If we see a non-continuation byte where we expect
-// one, we "replace" the validated continuation bytes we've seen so far with
-// UTF-8 replacement characters ('\ufffd'), to match v8's UTF-8 decoding
-// behavior. The continuation byte check is included three times in the case
-// where all of the continuation bytes for a character exist in the same buffer.
-// It is also done this way as a slight performance increase instead of using a
-// loop.
-function utf8CheckExtraBytes(self, buf, p) {
- if ((buf[0] & 0xC0) !== 0x80) {
- self.lastNeed = 0;
- return '\ufffd'.repeat(p);
- }
- if (self.lastNeed > 1 && buf.length > 1) {
- if ((buf[1] & 0xC0) !== 0x80) {
- self.lastNeed = 1;
- return '\ufffd'.repeat(p + 1);
- }
- if (self.lastNeed > 2 && buf.length > 2) {
- if ((buf[2] & 0xC0) !== 0x80) {
- self.lastNeed = 2;
- return '\ufffd'.repeat(p + 2);
- }
+ // if there are no more bytes in this buffer, just emit our char
+ if (buffer.length === 0) {
+ return charStr;
}
+ break;
}
-}
-// Attempts to complete a multi-byte UTF-8 character using bytes from a Buffer.
-function utf8FillLast(buf) {
- var p = this.lastTotal - this.lastNeed;
- var r = utf8CheckExtraBytes(this, buf, p);
- if (r !== undefined) return r;
- if (this.lastNeed <= buf.length) {
- buf.copy(this.lastChar, p, 0, this.lastNeed);
- return this.lastChar.toString(this.encoding, 0, this.lastTotal);
+ // determine and set charLength / charReceived
+ this.detectIncompleteChar(buffer);
+
+ var end = buffer.length;
+ if (this.charLength) {
+ // buffer the incomplete character bytes we got
+ buffer.copy(this.charBuffer, 0, buffer.length - this.charReceived, end);
+ end -= this.charReceived;
}
- buf.copy(this.lastChar, p, 0, buf.length);
- this.lastNeed -= buf.length;
-}
-// Returns all complete UTF-8 characters in a Buffer. If the Buffer ended on a
-// partial character, the character's bytes are buffered until the required
-// number of bytes are available.
-function utf8Text(buf, i) {
- var total = utf8CheckIncomplete(this, buf, i);
- if (!this.lastNeed) return buf.toString('utf8', i);
- this.lastTotal = total;
- var end = buf.length - (total - this.lastNeed);
- buf.copy(this.lastChar, 0, end);
- return buf.toString('utf8', i, end);
-}
+ charStr += buffer.toString(this.encoding, 0, end);
-// For UTF-8, a replacement character for each buffered byte of a (partial)
-// character needs to be added to the output.
-function utf8End(buf) {
- var r = buf && buf.length ? this.write(buf) : '';
- if (this.lastNeed) return r + '\ufffd'.repeat(this.lastTotal - this.lastNeed);
- return r;
-}
+ var end = charStr.length - 1;
+ var charCode = charStr.charCodeAt(end);
+ // CESU-8: lead surrogate (D800-DBFF) is also the incomplete character
+ if (charCode >= 0xD800 && charCode <= 0xDBFF) {
+ var size = this.surrogateSize;
+ this.charLength += size;
+ this.charReceived += size;
+ this.charBuffer.copy(this.charBuffer, size, 0, size);
+ buffer.copy(this.charBuffer, 0, 0, size);
+ return charStr.substring(0, end);
+ }
-// UTF-16LE typically needs two bytes per character, but even if we have an even
-// number of bytes available, we need to check if we end on a leading/high
-// surrogate. In that case, we need to wait for the next two bytes in order to
-// decode the last character properly.
-function utf16Text(buf, i) {
- if ((buf.length - i) % 2 === 0) {
- var r = buf.toString('utf16le', i);
- if (r) {
- var c = r.charCodeAt(r.length - 1);
- if (c >= 0xD800 && c <= 0xDBFF) {
- this.lastNeed = 2;
- this.lastTotal = 4;
- this.lastChar[0] = buf[buf.length - 2];
- this.lastChar[1] = buf[buf.length - 1];
- return r.slice(0, -1);
- }
+ // or just emit the charStr
+ return charStr;
+};
+
+// detectIncompleteChar determines if there is an incomplete UTF-8 character at
+// the end of the given buffer. If so, it sets this.charLength to the byte
+// length that character, and sets this.charReceived to the number of bytes
+// that are available for this character.
+StringDecoder.prototype.detectIncompleteChar = function(buffer) {
+ // determine how many bytes we have to check at the end of this buffer
+ var i = (buffer.length >= 3) ? 3 : buffer.length;
+
+ // Figure out if one of the last i bytes of our buffer announces an
+ // incomplete char.
+ for (; i > 0; i--) {
+ var c = buffer[buffer.length - i];
+
+ // See http://en.wikipedia.org/wiki/UTF-8#Description
+
+ // 110XXXXX
+ if (i == 1 && c >> 5 == 0x06) {
+ this.charLength = 2;
+ break;
}
- return r;
- }
- this.lastNeed = 1;
- this.lastTotal = 2;
- this.lastChar[0] = buf[buf.length - 1];
- return buf.toString('utf16le', i, buf.length - 1);
-}
-// For UTF-16LE we do not explicitly append special replacement characters if we
-// end on a partial character, we simply let v8 handle that.
-function utf16End(buf) {
- var r = buf && buf.length ? this.write(buf) : '';
- if (this.lastNeed) {
- var end = this.lastTotal - this.lastNeed;
- return r + this.lastChar.toString('utf16le', 0, end);
+ // 1110XXXX
+ if (i <= 2 && c >> 4 == 0x0E) {
+ this.charLength = 3;
+ break;
+ }
+
+ // 11110XXX
+ if (i <= 3 && c >> 3 == 0x1E) {
+ this.charLength = 4;
+ break;
+ }
}
- return r;
-}
+ this.charReceived = i;
+};
-function base64Text(buf, i) {
- var n = (buf.length - i) % 3;
- if (n === 0) return buf.toString('base64', i);
- this.lastNeed = 3 - n;
- this.lastTotal = 3;
- if (n === 1) {
- this.lastChar[0] = buf[buf.length - 1];
- } else {
- this.lastChar[0] = buf[buf.length - 2];
- this.lastChar[1] = buf[buf.length - 1];
+StringDecoder.prototype.end = function(buffer) {
+ var res = '';
+ if (buffer && buffer.length)
+ res = this.write(buffer);
+
+ if (this.charReceived) {
+ var cr = this.charReceived;
+ var buf = this.charBuffer;
+ var enc = this.encoding;
+ res += buf.slice(0, cr).toString(enc);
}
- return buf.toString('base64', i, buf.length - n);
-}
-function base64End(buf) {
- var r = buf && buf.length ? this.write(buf) : '';
- if (this.lastNeed) return r + this.lastChar.toString('base64', 0, 3 - this.lastNeed);
- return r;
+ return res;
+};
+
+function passThroughWrite(buffer) {
+ return buffer.toString(this.encoding);
}
-// Pass bytes on through for single-byte encodings (e.g. ascii, latin1, hex)
-function simpleWrite(buf) {
- return buf.toString(this.encoding);
+function utf16DetectIncompleteChar(buffer) {
+ this.charReceived = buffer.length % 2;
+ this.charLength = this.charReceived ? 2 : 0;
}
-function simpleEnd(buf) {
- return buf && buf.length ? this.write(buf) : '';
+function base64DetectIncompleteChar(buffer) {
+ this.charReceived = buffer.length % 3;
+ this.charLength = this.charReceived ? 3 : 0;
}
-},{"safe-buffer":26}],29:[function(require,module,exports){
+
+},{"buffer":5}],30:[function(require,module,exports){
(function (global){
/**
}
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{}],30:[function(require,module,exports){
-arguments[4][8][0].apply(exports,arguments)
-},{"dup":8}],31:[function(require,module,exports){
+},{}],31:[function(require,module,exports){
+arguments[4][9][0].apply(exports,arguments)
+},{"dup":9}],32:[function(require,module,exports){
module.exports = function isBuffer(arg) {
return arg && typeof arg === 'object'
&& typeof arg.copy === 'function'
&& typeof arg.fill === 'function'
&& typeof arg.readUInt8 === 'function';
}
-},{}],32:[function(require,module,exports){
+},{}],33:[function(require,module,exports){
(function (process,global){
// Copyright Joyent, Inc. and other Node contributors.
//
}
}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"./support/isBuffer":31,"_process":12,"inherits":30}],33:[function(require,module,exports){
-module.exports = {
+},{"./support/isBuffer":32,"_process":13,"inherits":31}],34:[function(require,module,exports){
+bitcoin = {
base58: require('bs58'),
bitcoin: require('bitcoinjs-lib'),
ecurve: require('ecurve'),
- BigInteger: require('bigi')
+ BigInteger: require('bigi'),
+ Buffer: require('buffer'),
+ elliptic: require('elliptic'),
+ bs58check: require('bs58check'),
}
-},{"bigi":37,"bitcoinjs-lib":50,"bs58":79,"ecurve":89}],34:[function(require,module,exports){
+module.exports = bitcoin;
+
+},{"bigi":39,"bitcoinjs-lib":52,"bs58":83,"bs58check":85,"buffer":5,"ecurve":94,"elliptic":97}],35:[function(require,module,exports){
// base-x encoding
// Forked from https://github.com/cryptocoinjs/bs58
// Originally written by Mike Hearn for BitcoinJ
}
}
-},{"safe-buffer":98}],35:[function(require,module,exports){
-// (public) Constructor
-function BigInteger(a, b, c) {
- if (!(this instanceof BigInteger))
- return new BigInteger(a, b, c)
+},{"safe-buffer":128}],36:[function(require,module,exports){
+'use strict'
+let ALPHABET = 'qpzry9x8gf2tvdw0s3jn54khce6mua7l'
- if (a != null) {
- if ("number" == typeof a) this.fromNumber(a, b, c)
- else if (b == null && "string" != typeof a) this.fromString(a, 256)
- else this.fromString(a, b)
- }
+// pre-compute lookup table
+let ALPHABET_MAP = {}
+for (let z = 0; z < ALPHABET.length; z++) {
+ let x = ALPHABET.charAt(z)
+
+ if (ALPHABET_MAP[x] !== undefined) throw new TypeError(x + ' is ambiguous')
+ ALPHABET_MAP[x] = z
}
-var proto = BigInteger.prototype
+function polymodStep (pre) {
+ let b = pre >> 25
+ return ((pre & 0x1FFFFFF) << 5) ^
+ (-((b >> 0) & 1) & 0x3b6a57b2) ^
+ (-((b >> 1) & 1) & 0x26508e6d) ^
+ (-((b >> 2) & 1) & 0x1ea119fa) ^
+ (-((b >> 3) & 1) & 0x3d4233dd) ^
+ (-((b >> 4) & 1) & 0x2a1462b3)
+}
-// duck-typed isBigInteger
-proto.__bigi = require('../package.json').version
-BigInteger.isBigInteger = function (obj, check_ver) {
- return obj && obj.__bigi && (!check_ver || obj.__bigi === proto.__bigi)
+function prefixChk (prefix) {
+ let chk = 1
+ for (let i = 0; i < prefix.length; ++i) {
+ let c = prefix.charCodeAt(i)
+ if (c < 33 || c > 126) throw new Error('Invalid prefix (' + prefix + ')')
+
+ chk = polymodStep(chk) ^ (c >> 5)
+ }
+ chk = polymodStep(chk)
+
+ for (let i = 0; i < prefix.length; ++i) {
+ let v = prefix.charCodeAt(i)
+ chk = polymodStep(chk) ^ (v & 0x1f)
+ }
+ return chk
}
-// Bits per digit
-var dbits
+function encode (prefix, words) {
+ // too long?
+ if ((prefix.length + 7 + words.length) > 90) throw new TypeError('Exceeds Bech32 maximum length')
+ prefix = prefix.toLowerCase()
-// am: Compute w_j += (x*this_i), propagate carries,
-// c is initial carry, returns final carry.
-// c < 3*dvalue, x < 2*dvalue, this_i < dvalue
-// We need to select the fastest one that works in this environment.
+ // determine chk mod
+ let chk = prefixChk(prefix)
+ let result = prefix + '1'
+ for (let i = 0; i < words.length; ++i) {
+ let x = words[i]
+ if ((x >> 5) !== 0) throw new Error('Non 5-bit word')
-// am1: use a single mult and divide to get the high bits,
-// max digit bits should be 26 because
-// max internal value = 2*dvalue^2-2*dvalue (< 2^53)
-function am1(i, x, w, j, c, n) {
- while (--n >= 0) {
- var v = x * this[i++] + w[j] + c
- c = Math.floor(v / 0x4000000)
- w[j++] = v & 0x3ffffff
+ chk = polymodStep(chk) ^ x
+ result += ALPHABET.charAt(x)
}
- return c
+
+ for (let i = 0; i < 6; ++i) {
+ chk = polymodStep(chk)
+ }
+ chk ^= 1
+
+ for (let i = 0; i < 6; ++i) {
+ let v = (chk >> ((5 - i) * 5)) & 0x1f
+ result += ALPHABET.charAt(v)
+ }
+
+ return result
}
-// am2 avoids a big mult-and-extract completely.
-// Max digit bits should be <= 30 because we do bitwise ops
-// on values up to 2*hdvalue^2-hdvalue-1 (< 2^31)
-function am2(i, x, w, j, c, n) {
- var xl = x & 0x7fff,
+
+function decode (str) {
+ if (str.length < 8) throw new TypeError(str + ' too short')
+ if (str.length > 90) throw new TypeError(str + ' too long')
+
+ // don't allow mixed case
+ let lowered = str.toLowerCase()
+ let uppered = str.toUpperCase()
+ if (str !== lowered && str !== uppered) throw new Error('Mixed-case string ' + str)
+ str = lowered
+
+ let split = str.lastIndexOf('1')
+ if (split === 0) throw new Error('Missing prefix for ' + str)
+
+ let prefix = str.slice(0, split)
+ let wordChars = str.slice(split + 1)
+ if (wordChars.length < 6) throw new Error('Data too short')
+
+ let chk = prefixChk(prefix)
+ let words = []
+ for (let i = 0; i < wordChars.length; ++i) {
+ let c = wordChars.charAt(i)
+ let v = ALPHABET_MAP[c]
+ if (v === undefined) throw new Error('Unknown character ' + c)
+ chk = polymodStep(chk) ^ v
+
+ // not in the checksum?
+ if (i + 6 >= wordChars.length) continue
+ words.push(v)
+ }
+
+ if (chk !== 1) throw new Error('Invalid checksum for ' + str)
+ return { prefix, words }
+}
+
+function convert (data, inBits, outBits, pad) {
+ let value = 0
+ let bits = 0
+ let maxV = (1 << outBits) - 1
+
+ let result = []
+ for (let i = 0; i < data.length; ++i) {
+ value = (value << inBits) | data[i]
+ bits += inBits
+
+ while (bits >= outBits) {
+ bits -= outBits
+ result.push((value >> bits) & maxV)
+ }
+ }
+
+ if (pad) {
+ if (bits > 0) {
+ result.push((value << (outBits - bits)) & maxV)
+ }
+ } else {
+ if (bits >= inBits) throw new Error('Excess padding')
+ if ((value << (outBits - bits)) & maxV) throw new Error('Non-zero padding')
+ }
+
+ return result
+}
+
+function toWords (bytes) {
+ return convert(bytes, 8, 5, true)
+}
+
+function fromWords (words) {
+ return convert(words, 5, 8, false)
+}
+
+module.exports = { decode, encode, toWords, fromWords }
+
+},{}],37:[function(require,module,exports){
+// (public) Constructor
+function BigInteger(a, b, c) {
+ if (!(this instanceof BigInteger))
+ return new BigInteger(a, b, c)
+
+ if (a != null) {
+ if ("number" == typeof a) this.fromNumber(a, b, c)
+ else if (b == null && "string" != typeof a) this.fromString(a, 256)
+ else this.fromString(a, b)
+ }
+}
+
+var proto = BigInteger.prototype
+
+// duck-typed isBigInteger
+proto.__bigi = require('../package.json').version
+BigInteger.isBigInteger = function (obj, check_ver) {
+ return obj && obj.__bigi && (!check_ver || obj.__bigi === proto.__bigi)
+}
+
+// Bits per digit
+var dbits
+
+// am: Compute w_j += (x*this_i), propagate carries,
+// c is initial carry, returns final carry.
+// c < 3*dvalue, x < 2*dvalue, this_i < dvalue
+// We need to select the fastest one that works in this environment.
+
+// am1: use a single mult and divide to get the high bits,
+// max digit bits should be 26 because
+// max internal value = 2*dvalue^2-2*dvalue (< 2^53)
+function am1(i, x, w, j, c, n) {
+ while (--n >= 0) {
+ var v = x * this[i++] + w[j] + c
+ c = Math.floor(v / 0x4000000)
+ w[j++] = v & 0x3ffffff
+ }
+ return c
+}
+// am2 avoids a big mult-and-extract completely.
+// Max digit bits should be <= 30 because we do bitwise ops
+// on values up to 2*hdvalue^2-hdvalue-1 (< 2^31)
+function am2(i, x, w, j, c, n) {
+ var xl = x & 0x7fff,
xh = x >> 15
while (--n >= 0) {
var l = this[i] & 0x7fff
module.exports = BigInteger
-},{"../package.json":38}],36:[function(require,module,exports){
+},{"../package.json":40}],38:[function(require,module,exports){
(function (Buffer){
// FIXME: Kind of a weird way to throw exceptions, consider removing
var assert = require('assert')
}
}).call(this,require("buffer").Buffer)
-},{"./bigi":35,"assert":1,"buffer":4}],37:[function(require,module,exports){
+},{"./bigi":37,"assert":1,"buffer":5}],39:[function(require,module,exports){
var BigInteger = require('./bigi')
//addons
require('./convert')
module.exports = BigInteger
-},{"./bigi":35,"./convert":36}],38:[function(require,module,exports){
+},{"./bigi":37,"./convert":38}],40:[function(require,module,exports){
module.exports={
"_args": [
[
"version": "1.4.2"
}
-},{}],39:[function(require,module,exports){
+},{}],41:[function(require,module,exports){
// Reference https://github.com/bitcoin/bips/blob/master/bip-0066.mediawiki
// Format: 0x30 [total-length] 0x02 [R-length] [R] 0x02 [S-length] [S]
// NOTE: SIGHASH byte ignored AND restricted, truncate before use
encode: encode
}
-},{"safe-buffer":98}],40:[function(require,module,exports){
+},{"safe-buffer":128}],42:[function(require,module,exports){
module.exports={
"OP_FALSE": 0,
"OP_0": 0,
"OP_INVALIDOPCODE": 255
}
-},{}],41:[function(require,module,exports){
+},{}],43:[function(require,module,exports){
var OPS = require('./index.json')
var map = {}
module.exports = map
-},{"./index.json":40}],42:[function(require,module,exports){
+},{"./index.json":42}],44:[function(require,module,exports){
var Buffer = require('safe-buffer').Buffer
+var bech32 = require('bech32')
var bs58check = require('bs58check')
var bscript = require('./script')
+var btemplates = require('./templates')
var networks = require('./networks')
var typeforce = require('typeforce')
var types = require('./types')
function fromBase58Check (address) {
var payload = bs58check.decode(address)
+
+ // TODO: 4.0.0, move to "toOutputScript"
if (payload.length < 21) throw new TypeError(address + ' is too short')
if (payload.length > 21) throw new TypeError(address + ' is too long')
var version = payload.readUInt8(0)
var hash = payload.slice(1)
- return { hash: hash, version: version }
+ return { version: version, hash: hash }
+}
+
+function fromBech32 (address) {
+ var result = bech32.decode(address)
+ var data = bech32.fromWords(result.words.slice(1))
+
+ return {
+ version: result.words[0],
+ prefix: result.prefix,
+ data: Buffer.from(data)
+ }
}
function toBase58Check (hash, version) {
return bs58check.encode(payload)
}
+function toBech32 (data, version, prefix) {
+ var words = bech32.toWords(data)
+ words.unshift(version)
+
+ return bech32.encode(prefix, words)
+}
+
function fromOutputScript (outputScript, network) {
network = network || networks.bitcoin
- if (bscript.pubKeyHash.output.check(outputScript)) return toBase58Check(bscript.compile(outputScript).slice(3, 23), network.pubKeyHash)
- if (bscript.scriptHash.output.check(outputScript)) return toBase58Check(bscript.compile(outputScript).slice(2, 22), network.scriptHash)
+ if (btemplates.pubKeyHash.output.check(outputScript)) return toBase58Check(bscript.compile(outputScript).slice(3, 23), network.pubKeyHash)
+ if (btemplates.scriptHash.output.check(outputScript)) return toBase58Check(bscript.compile(outputScript).slice(2, 22), network.scriptHash)
+ if (btemplates.witnessPubKeyHash.output.check(outputScript)) return toBech32(bscript.compile(outputScript).slice(2, 22), 0, network.bech32)
+ if (btemplates.witnessScriptHash.output.check(outputScript)) return toBech32(bscript.compile(outputScript).slice(2, 34), 0, network.bech32)
throw new Error(bscript.toASM(outputScript) + ' has no matching Address')
}
function toOutputScript (address, network) {
network = network || networks.bitcoin
- var decode = fromBase58Check(address)
- if (decode.version === network.pubKeyHash) return bscript.pubKeyHash.output.encode(decode.hash)
- if (decode.version === network.scriptHash) return bscript.scriptHash.output.encode(decode.hash)
+ var decode
+ try {
+ decode = fromBase58Check(address)
+ } catch (e) {}
+
+ if (decode) {
+ if (decode.version === network.pubKeyHash) return btemplates.pubKeyHash.output.encode(decode.hash)
+ if (decode.version === network.scriptHash) return btemplates.scriptHash.output.encode(decode.hash)
+ } else {
+ try {
+ decode = fromBech32(address)
+ } catch (e) {}
+
+ if (decode) {
+ if (decode.prefix !== network.bech32) throw new Error(address + ' has an invalid prefix')
+ if (decode.version === 0) {
+ if (decode.data.length === 20) return btemplates.witnessPubKeyHash.output.encode(decode.data)
+ if (decode.data.length === 32) return btemplates.witnessScriptHash.output.encode(decode.data)
+ }
+ }
+ }
throw new Error(address + ' has no matching Script')
}
module.exports = {
fromBase58Check: fromBase58Check,
+ fromBech32: fromBech32,
fromOutputScript: fromOutputScript,
toBase58Check: toBase58Check,
+ toBech32: toBech32,
toOutputScript: toOutputScript
}
-},{"./networks":51,"./script":52,"./types":78,"bs58check":80,"safe-buffer":98,"typeforce":109}],43:[function(require,module,exports){
+},{"./networks":53,"./script":54,"./templates":56,"./types":80,"bech32":36,"bs58check":85,"safe-buffer":128,"typeforce":139}],45:[function(require,module,exports){
var Buffer = require('safe-buffer').Buffer
var bcrypto = require('./crypto')
var fastMerkleRoot = require('merkle-lib/fastRoot')
module.exports = Block
-},{"./crypto":45,"./transaction":76,"./types":78,"merkle-lib/fastRoot":94,"safe-buffer":98,"typeforce":109,"varuint-bitcoin":111}],44:[function(require,module,exports){
+},{"./crypto":47,"./transaction":78,"./types":80,"merkle-lib/fastRoot":122,"safe-buffer":128,"typeforce":139,"varuint-bitcoin":141}],46:[function(require,module,exports){
var pushdata = require('pushdata-bitcoin')
var varuint = require('varuint-bitcoin')
writeVarInt: writeVarInt
}
-},{"pushdata-bitcoin":95,"varuint-bitcoin":111}],45:[function(require,module,exports){
+},{"pushdata-bitcoin":125,"varuint-bitcoin":141}],47:[function(require,module,exports){
var createHash = require('create-hash')
function ripemd160 (buffer) {
sha256: sha256
}
-},{"create-hash":82}],46:[function(require,module,exports){
+},{"create-hash":87}],48:[function(require,module,exports){
var Buffer = require('safe-buffer').Buffer
var createHmac = require('create-hmac')
var typeforce = require('typeforce')
__curve: secp256k1
}
-},{"./ecsignature":48,"./types":78,"bigi":37,"create-hmac":85,"ecurve":89,"safe-buffer":98,"typeforce":109}],47:[function(require,module,exports){
+},{"./ecsignature":50,"./types":80,"bigi":39,"create-hmac":90,"ecurve":94,"safe-buffer":128,"typeforce":139}],49:[function(require,module,exports){
var baddress = require('./address')
var bcrypto = require('./crypto')
var ecdsa = require('./ecdsa')
module.exports = ECPair
-},{"./address":42,"./crypto":45,"./ecdsa":46,"./networks":51,"./types":78,"bigi":37,"ecurve":89,"randombytes":96,"typeforce":109,"wif":112}],48:[function(require,module,exports){
+},{"./address":44,"./crypto":47,"./ecdsa":48,"./networks":53,"./types":80,"bigi":39,"ecurve":94,"randombytes":126,"typeforce":139,"wif":142}],50:[function(require,module,exports){
(function (Buffer){
var bip66 = require('bip66')
var typeforce = require('typeforce')
}
ECSignature.parseCompact = function (buffer) {
- if (buffer.length !== 65) throw new Error('Invalid signature length')
+ typeforce(types.BufferN(65), buffer)
var flagByte = buffer.readUInt8(0) - 27
if (flagByte !== (flagByte & 7)) throw new Error('Invalid signature parameter')
var compressed = !!(flagByte & 4)
var recoveryParam = flagByte & 3
-
- var r = BigInteger.fromBuffer(buffer.slice(1, 33))
- var s = BigInteger.fromBuffer(buffer.slice(33))
+ var signature = ECSignature.fromRSBuffer(buffer.slice(1))
return {
compressed: compressed,
i: recoveryParam,
- signature: new ECSignature(r, s)
+ signature: signature
}
}
+ECSignature.fromRSBuffer = function (buffer) {
+ typeforce(types.BufferN(64), buffer)
+
+ var r = BigInteger.fromBuffer(buffer.slice(0, 32))
+ var s = BigInteger.fromBuffer(buffer.slice(32, 64))
+ return new ECSignature(r, s)
+}
+
ECSignature.fromDER = function (buffer) {
var decode = bip66.decode(buffer)
var r = BigInteger.fromDERInteger(decode.r)
var buffer = Buffer.alloc(65)
buffer.writeUInt8(i, 0)
- this.r.toBuffer(32).copy(buffer, 1)
- this.s.toBuffer(32).copy(buffer, 33)
-
+ this.toRSBuffer(buffer, 1)
return buffer
}
return bip66.encode(r, s)
}
+ECSignature.prototype.toRSBuffer = function (buffer, offset) {
+ buffer = buffer || Buffer.alloc(64)
+ this.r.toBuffer(32).copy(buffer, offset)
+ this.s.toBuffer(32).copy(buffer, offset + 32)
+ return buffer
+}
+
ECSignature.prototype.toScriptSignature = function (hashType) {
var hashTypeMod = hashType & ~0x80
if (hashTypeMod <= 0 || hashTypeMod >= 4) throw new Error('Invalid hashType ' + hashType)
module.exports = ECSignature
}).call(this,require("buffer").Buffer)
-},{"./types":78,"bigi":37,"bip66":39,"buffer":4,"typeforce":109}],49:[function(require,module,exports){
+},{"./types":80,"bigi":39,"bip66":41,"buffer":5,"typeforce":139}],51:[function(require,module,exports){
var Buffer = require('safe-buffer').Buffer
var base58check = require('bs58check')
var bcrypto = require('./crypto')
module.exports = HDNode
-},{"./crypto":45,"./ecpair":47,"./networks":51,"./types":78,"bigi":37,"bs58check":80,"create-hmac":85,"ecurve":89,"safe-buffer":98,"typeforce":109}],50:[function(require,module,exports){
+},{"./crypto":47,"./ecpair":49,"./networks":53,"./types":80,"bigi":39,"bs58check":85,"create-hmac":90,"ecurve":94,"safe-buffer":128,"typeforce":139}],52:[function(require,module,exports){
+var script = require('./script')
+
+var templates = require('./templates')
+for (var key in templates) {
+ script[key] = templates[key]
+}
+
module.exports = {
+ bufferutils: require('./bufferutils'), // TODO: remove in 4.0.0
+
Block: require('./block'),
ECPair: require('./ecpair'),
ECSignature: require('./ecsignature'),
TransactionBuilder: require('./transaction_builder'),
address: require('./address'),
- bufferutils: require('./bufferutils'), // TODO: remove in 4.0.0
crypto: require('./crypto'),
networks: require('./networks'),
opcodes: require('bitcoin-ops'),
- script: require('./script')
+ script: script
}
-},{"./address":42,"./block":43,"./bufferutils":44,"./crypto":45,"./ecpair":47,"./ecsignature":48,"./hdnode":49,"./networks":51,"./script":52,"./transaction":76,"./transaction_builder":77,"bitcoin-ops":40}],51:[function(require,module,exports){
+},{"./address":44,"./block":45,"./bufferutils":46,"./crypto":47,"./ecpair":49,"./ecsignature":50,"./hdnode":51,"./networks":53,"./script":54,"./templates":56,"./transaction":78,"./transaction_builder":79,"bitcoin-ops":42}],53:[function(require,module,exports){
// https://en.bitcoin.it/wiki/List_of_address_prefixes
// Dogecoin BIP32 is a proposed standard: https://bitcointalk.org/index.php?topic=409731
module.exports = {
bitcoin: {
messagePrefix: '\x18Bitcoin Signed Message:\n',
+ bech32: 'bc',
bip32: {
public: 0x0488b21e,
private: 0x0488ade4
},
testnet: {
messagePrefix: '\x18Bitcoin Signed Message:\n',
+ bech32: 'tb',
bip32: {
public: 0x043587cf,
private: 0x04358394
wif: 0xef
},
litecoin: {
- messagePrefix: '\x19Litecoin Signed Message:\n',
- bip32: {
- public: 0x0488b21e,
- private: 0x0488ade4,
- },
- pubKeyHash: 0x30,
- scriptHash: 0x32,
- wif: 0xb0
- },
- litecoinLtub: {
messagePrefix: '\x19Litecoin Signed Message:\n',
bip32: {
public: 0x019da462,
}
}
-},{}],52:[function(require,module,exports){
+},{}],54:[function(require,module,exports){
var Buffer = require('safe-buffer').Buffer
var bip66 = require('bip66')
var pushdata = require('pushdata-bitcoin')
return types.Array(value) && value.every(isPushOnlyChunk)
}
+function asMinimalOP (buffer) {
+ if (buffer.length === 0) return OPS.OP_0
+ if (buffer.length !== 1) return
+ if (buffer[0] >= 1 && buffer[0] <= 16) return OP_INT_BASE + buffer[0]
+ if (buffer[0] === 0x81) return OPS.OP_1NEGATE
+}
+
function compile (chunks) {
// TODO: remove me
if (Buffer.isBuffer(chunks)) return chunks
// data chunk
if (Buffer.isBuffer(chunk)) {
// adhere to BIP62.3, minimal push policy
- if (chunk.length === 1 && (chunk[0] === 0x81 || (chunk[0] >= 1 && chunk[0] <= 16))) {
+ if (chunk.length === 1 && asMinimalOP(chunk) !== undefined) {
return accum + 1
}
// data chunk
if (Buffer.isBuffer(chunk)) {
// adhere to BIP62.3, minimal push policy
- if (chunk.length === 1 && chunk[0] >= 1 && chunk[0] <= 16) {
- var opcode = OP_INT_BASE + chunk[0]
+ var opcode = asMinimalOP(chunk)
+ if (opcode !== undefined) {
buffer.writeUInt8(opcode, offset)
offset += 1
return
}
- if (chunk.length === 1 && chunk[0] === 0x81) {
- buffer.writeUInt8(OPS.OP_1NEGATE, offset)
- offset += 1
- return
- }
-
offset += pushdata.encode(buffer, chunk.length, offset)
-
chunk.copy(buffer, offset)
offset += chunk.length
var data = buffer.slice(i, i + d.number)
i += d.number
- chunks.push(data)
+ // decompile minimally
+ var op = asMinimalOP(data)
+ if (op !== undefined) {
+ chunks.push(op)
+ } else {
+ chunks.push(data)
+ }
// opcode
} else {
return chunks.map(function (chunk) {
// data?
- if (Buffer.isBuffer(chunk)) return chunk.toString('hex')
+ if (Buffer.isBuffer(chunk)) {
+ var op = asMinimalOP(chunk)
+ if (op === undefined) return chunk.toString('hex')
+ chunk = op
+ }
// opcode!
return REVERSE_OPS[chunk]
isDefinedHashType: isDefinedHashType
}
-var templates = require('./templates')
-for (var key in templates) {
- module.exports[key] = templates[key]
-}
-
-},{"./script_number":53,"./templates":54,"./types":78,"bip66":39,"bitcoin-ops":40,"bitcoin-ops/map":41,"pushdata-bitcoin":95,"safe-buffer":98,"typeforce":109}],53:[function(require,module,exports){
+},{"./script_number":55,"./types":80,"bip66":41,"bitcoin-ops":42,"bitcoin-ops/map":43,"pushdata-bitcoin":125,"safe-buffer":128,"typeforce":139}],55:[function(require,module,exports){
var Buffer = require('safe-buffer').Buffer
function decode (buffer, maxLength, minimal) {
encode: encode
}
-},{"safe-buffer":98}],54:[function(require,module,exports){
+},{"safe-buffer":128}],56:[function(require,module,exports){
var decompile = require('../script').decompile
var multisig = require('./multisig')
var nullData = require('./nulldata')
types: types
}
-},{"../script":52,"./multisig":55,"./nulldata":58,"./pubkey":59,"./pubkeyhash":62,"./scripthash":65,"./witnesscommitment":68,"./witnesspubkeyhash":70,"./witnessscripthash":73}],55:[function(require,module,exports){
+},{"../script":54,"./multisig":57,"./nulldata":60,"./pubkey":61,"./pubkeyhash":64,"./scripthash":67,"./witnesscommitment":70,"./witnesspubkeyhash":72,"./witnessscripthash":75}],57:[function(require,module,exports){
module.exports = {
input: require('./input'),
output: require('./output')
}
-},{"./input":56,"./output":57}],56:[function(require,module,exports){
+},{"./input":58,"./output":59}],58:[function(require,module,exports){
// OP_0 [signatures ...]
var Buffer = require('safe-buffer').Buffer
var bscript = require('../../script')
+var p2mso = require('./output')
var typeforce = require('typeforce')
var OPS = require('bitcoin-ops')
typeforce([partialSignature], signatures)
if (scriptPubKey) {
- var scriptData = bscript.multisig.output.decode(scriptPubKey)
+ var scriptData = p2mso.decode(scriptPubKey)
if (signatures.length < scriptData.m) {
throw new TypeError('Not enough signatures provided')
}
}
- return [].concat(EMPTY_BUFFER, signatures)
+ return [].concat(EMPTY_BUFFER, signatures.map(function (sig) {
+ if (sig === OPS.OP_0) {
+ return EMPTY_BUFFER
+ }
+ return sig
+ }))
}
function encode (signatures, scriptPubKey) {
encodeStack: encodeStack
}
-},{"../../script":52,"bitcoin-ops":40,"safe-buffer":98,"typeforce":109}],57:[function(require,module,exports){
+},{"../../script":54,"./output":59,"bitcoin-ops":42,"safe-buffer":128,"typeforce":139}],59:[function(require,module,exports){
// m [pubKeys ...] n OP_CHECKMULTISIG
var bscript = require('../../script')
encode: encode
}
-},{"../../script":52,"../../types":78,"bitcoin-ops":40,"typeforce":109}],58:[function(require,module,exports){
+},{"../../script":54,"../../types":80,"bitcoin-ops":42,"typeforce":139}],60:[function(require,module,exports){
// OP_RETURN {data}
var bscript = require('../script')
}
}
-},{"../script":52,"../types":78,"bitcoin-ops":40,"typeforce":109}],59:[function(require,module,exports){
-arguments[4][55][0].apply(exports,arguments)
-},{"./input":60,"./output":61,"dup":55}],60:[function(require,module,exports){
+},{"../script":54,"../types":80,"bitcoin-ops":42,"typeforce":139}],61:[function(require,module,exports){
+arguments[4][57][0].apply(exports,arguments)
+},{"./input":62,"./output":63,"dup":57}],62:[function(require,module,exports){
// {signature}
var bscript = require('../../script')
-var types = require('../../types')
var typeforce = require('typeforce')
function check (script) {
check.toJSON = function () { return 'pubKey input' }
function encodeStack (signature) {
- typeforce(types.Buffer, signature)
+ typeforce(bscript.isCanonicalSignature, signature)
return [signature]
}
encodeStack: encodeStack
}
-},{"../../script":52,"../../types":78,"typeforce":109}],61:[function(require,module,exports){
+},{"../../script":54,"typeforce":139}],63:[function(require,module,exports){
// {pubKey} OP_CHECKSIG
var bscript = require('../../script')
encode: encode
}
-},{"../../script":52,"bitcoin-ops":40,"typeforce":109}],62:[function(require,module,exports){
-arguments[4][55][0].apply(exports,arguments)
-},{"./input":63,"./output":64,"dup":55}],63:[function(require,module,exports){
+},{"../../script":54,"bitcoin-ops":42,"typeforce":139}],64:[function(require,module,exports){
+arguments[4][57][0].apply(exports,arguments)
+},{"./input":65,"./output":66,"dup":57}],65:[function(require,module,exports){
// {signature} {pubKey}
var bscript = require('../../script')
-var types = require('../../types')
var typeforce = require('typeforce')
function check (script) {
function encodeStack (signature, pubKey) {
typeforce({
- signature: types.Buffer, pubKey: types.Buffer
+ signature: bscript.isCanonicalSignature,
+ pubKey: bscript.isCanonicalPubKey
}, {
- signature: signature, pubKey: pubKey
+ signature: signature,
+ pubKey: pubKey
})
return [signature, pubKey]
encodeStack: encodeStack
}
-},{"../../script":52,"../../types":78,"typeforce":109}],64:[function(require,module,exports){
+},{"../../script":54,"typeforce":139}],66:[function(require,module,exports){
// OP_DUP OP_HASH160 {pubKeyHash} OP_EQUALVERIFY OP_CHECKSIG
var bscript = require('../../script')
encode: encode
}
-},{"../../script":52,"../../types":78,"bitcoin-ops":40,"typeforce":109}],65:[function(require,module,exports){
-arguments[4][55][0].apply(exports,arguments)
-},{"./input":66,"./output":67,"dup":55}],66:[function(require,module,exports){
+},{"../../script":54,"../../types":80,"bitcoin-ops":42,"typeforce":139}],67:[function(require,module,exports){
+arguments[4][57][0].apply(exports,arguments)
+},{"./input":68,"./output":69,"dup":57}],68:[function(require,module,exports){
// <scriptSig> {serialized scriptPubKey script}
var Buffer = require('safe-buffer').Buffer
var bscript = require('../../script')
var typeforce = require('typeforce')
+var p2ms = require('../multisig/')
+var p2pk = require('../pubkey/')
+var p2pkh = require('../pubkeyhash/')
+var p2wpkho = require('../witnesspubkeyhash/output')
+var p2wsho = require('../witnessscripthash/output')
+
function check (script, allowIncomplete) {
var chunks = bscript.decompile(script)
if (chunks.length < 1) return false
// is redeemScriptSig push only?
if (!bscript.isPushOnly(scriptSigChunks)) return false
- var inputType = bscript.classifyInput(scriptSigChunks, allowIncomplete)
- var outputType = bscript.classifyOutput(redeemScriptChunks)
+ // is witness?
if (chunks.length === 1) {
- return outputType === bscript.types.P2WSH || outputType === bscript.types.P2WPKH
+ return p2wsho.check(redeemScriptChunks) ||
+ p2wpkho.check(redeemScriptChunks)
}
- return inputType === outputType
+
+ // match types
+ if (p2pkh.input.check(scriptSigChunks) &&
+ p2pkh.output.check(redeemScriptChunks)) return true
+
+ if (p2ms.input.check(scriptSigChunks, allowIncomplete) &&
+ p2ms.output.check(redeemScriptChunks)) return true
+
+ if (p2pk.input.check(scriptSigChunks) &&
+ p2pk.output.check(redeemScriptChunks)) return true
+
+ return false
}
check.toJSON = function () { return 'scriptHash input' }
encodeStack: encodeStack
}
-},{"../../script":52,"safe-buffer":98,"typeforce":109}],67:[function(require,module,exports){
+},{"../../script":54,"../multisig/":57,"../pubkey/":61,"../pubkeyhash/":64,"../witnesspubkeyhash/output":74,"../witnessscripthash/output":77,"safe-buffer":128,"typeforce":139}],69:[function(require,module,exports){
// OP_HASH160 {scriptHash} OP_EQUAL
var bscript = require('../../script')
encode: encode
}
-},{"../../script":52,"../../types":78,"bitcoin-ops":40,"typeforce":109}],68:[function(require,module,exports){
+},{"../../script":54,"../../types":80,"bitcoin-ops":42,"typeforce":139}],70:[function(require,module,exports){
module.exports = {
output: require('./output')
}
-},{"./output":69}],69:[function(require,module,exports){
+},{"./output":71}],71:[function(require,module,exports){
// OP_RETURN {aa21a9ed} {commitment}
var Buffer = require('safe-buffer').Buffer
encode: encode
}
-},{"../../script":52,"../../types":78,"bitcoin-ops":40,"safe-buffer":98,"typeforce":109}],70:[function(require,module,exports){
-arguments[4][55][0].apply(exports,arguments)
-},{"./input":71,"./output":72,"dup":55}],71:[function(require,module,exports){
+},{"../../script":54,"../../types":80,"bitcoin-ops":42,"safe-buffer":128,"typeforce":139}],72:[function(require,module,exports){
+arguments[4][57][0].apply(exports,arguments)
+},{"./input":73,"./output":74,"dup":57}],73:[function(require,module,exports){
// {signature} {pubKey}
-var pkh = require('../pubkeyhash/input')
+var bscript = require('../../script')
+var typeforce = require('typeforce')
+
+function isCompressedCanonicalPubKey (pubKey) {
+ return bscript.isCanonicalPubKey(pubKey) && pubKey.length === 33
+}
+
+function check (script) {
+ var chunks = bscript.decompile(script)
+
+ return chunks.length === 2 &&
+ bscript.isCanonicalSignature(chunks[0]) &&
+ isCompressedCanonicalPubKey(chunks[1])
+}
+check.toJSON = function () { return 'witnessPubKeyHash input' }
+
+function encodeStack (signature, pubKey) {
+ typeforce({
+ signature: bscript.isCanonicalSignature,
+ pubKey: isCompressedCanonicalPubKey
+ }, {
+ signature: signature,
+ pubKey: pubKey
+ })
+
+ return [signature, pubKey]
+}
+
+function decodeStack (stack) {
+ typeforce(check, stack)
+
+ return {
+ signature: stack[0],
+ pubKey: stack[1]
+ }
+}
module.exports = {
- check: pkh.check,
- decodeStack: pkh.decodeStack,
- encodeStack: pkh.encodeStack
+ check: check,
+ decodeStack: decodeStack,
+ encodeStack: encodeStack
}
-},{"../pubkeyhash/input":63}],72:[function(require,module,exports){
+},{"../../script":54,"typeforce":139}],74:[function(require,module,exports){
// OP_0 {pubKeyHash}
var bscript = require('../../script')
encode: encode
}
-},{"../../script":52,"../../types":78,"bitcoin-ops":40,"typeforce":109}],73:[function(require,module,exports){
-arguments[4][55][0].apply(exports,arguments)
-},{"./input":74,"./output":75,"dup":55}],74:[function(require,module,exports){
-// {signature} {pubKey}
+},{"../../script":54,"../../types":80,"bitcoin-ops":42,"typeforce":139}],75:[function(require,module,exports){
+arguments[4][57][0].apply(exports,arguments)
+},{"./input":76,"./output":77,"dup":57}],76:[function(require,module,exports){
+(function (Buffer){
+// <scriptSig> {serialized scriptPubKey script}
+
+var bscript = require('../../script')
+var types = require('../../types')
+var typeforce = require('typeforce')
+
+var p2ms = require('../multisig/')
+var p2pk = require('../pubkey/')
+var p2pkh = require('../pubkeyhash/')
+
+function check (chunks, allowIncomplete) {
+ typeforce(types.Array, chunks)
+ if (chunks.length < 1) return false
+
+ var witnessScript = chunks[chunks.length - 1]
+ if (!Buffer.isBuffer(witnessScript)) return false
+
+ var witnessScriptChunks = bscript.decompile(witnessScript)
+
+ // is witnessScript a valid script?
+ if (witnessScriptChunks.length === 0) return false
+
+ var witnessRawScriptSig = bscript.compile(chunks.slice(0, -1))
+
+ // match types
+ if (p2pkh.input.check(witnessRawScriptSig) &&
+ p2pkh.output.check(witnessScriptChunks)) return true
+
+ if (p2ms.input.check(witnessRawScriptSig, allowIncomplete) &&
+ p2ms.output.check(witnessScriptChunks)) return true
+
+ if (p2pk.input.check(witnessRawScriptSig) &&
+ p2pk.output.check(witnessScriptChunks)) return true
+
+ return false
+}
+check.toJSON = function () { return 'witnessScriptHash input' }
+
+function encodeStack (witnessData, witnessScript) {
+ typeforce({
+ witnessData: [types.Buffer],
+ witnessScript: types.Buffer
+ }, {
+ witnessData: witnessData,
+ witnessScript: witnessScript
+ })
+
+ return [].concat(witnessData, witnessScript)
+}
-var p2sh = require('../scripthash/input')
+function decodeStack (chunks) {
+ typeforce(check, chunks)
+ return {
+ witnessData: chunks.slice(0, -1),
+ witnessScript: chunks[chunks.length - 1]
+ }
+}
module.exports = {
- check: p2sh.check,
- decodeStack: p2sh.decodeStack,
- encodeStack: p2sh.encodeStack
+ check: check,
+ decodeStack: decodeStack,
+ encodeStack: encodeStack
}
-},{"../scripthash/input":66}],75:[function(require,module,exports){
+}).call(this,{"isBuffer":require("../../../../../../../../.nvm/versions/node/v6.0.0/lib/node_modules/browserify/node_modules/is-buffer/index.js")})
+},{"../../../../../../../../.nvm/versions/node/v6.0.0/lib/node_modules/browserify/node_modules/is-buffer/index.js":10,"../../script":54,"../../types":80,"../multisig/":57,"../pubkey/":61,"../pubkeyhash/":64,"typeforce":139}],77:[function(require,module,exports){
// OP_0 {scriptHash}
var bscript = require('../../script')
encode: encode
}
-},{"../../script":52,"../../types":78,"bitcoin-ops":40,"typeforce":109}],76:[function(require,module,exports){
+},{"../../script":54,"../../types":80,"bitcoin-ops":42,"typeforce":139}],78:[function(require,module,exports){
var Buffer = require('safe-buffer').Buffer
var bcrypto = require('./crypto')
var bscript = require('./script')
module.exports = Transaction
-},{"./bufferutils":44,"./crypto":45,"./script":52,"./types":78,"bitcoin-ops":40,"safe-buffer":98,"typeforce":109,"varuint-bitcoin":111}],77:[function(require,module,exports){
+},{"./bufferutils":46,"./crypto":47,"./script":54,"./types":80,"bitcoin-ops":42,"safe-buffer":128,"typeforce":139,"varuint-bitcoin":141}],79:[function(require,module,exports){
var Buffer = require('safe-buffer').Buffer
var baddress = require('./address')
var bcrypto = require('./crypto')
var bscript = require('./script')
+var btemplates = require('./templates')
var networks = require('./networks')
var ops = require('bitcoin-ops')
var typeforce = require('typeforce')
var types = require('./types')
-var scriptTypes = bscript.types
-var SIGNABLE = [bscript.types.P2PKH, bscript.types.P2PK, bscript.types.MULTISIG]
-var P2SH = SIGNABLE.concat([bscript.types.P2WPKH, bscript.types.P2WSH])
+var scriptTypes = btemplates.types
+var SIGNABLE = [btemplates.types.P2PKH, btemplates.types.P2PK, btemplates.types.MULTISIG]
+var P2SH = SIGNABLE.concat([btemplates.types.P2WPKH, btemplates.types.P2WSH])
var ECPair = require('./ecpair')
var ECSignature = require('./ecsignature')
var Transaction = require('./transaction')
+function supportedType (type) {
+ return SIGNABLE.indexOf(type) !== -1
+}
+
+function supportedP2SHType (type) {
+ return P2SH.indexOf(type) !== -1
+}
+
function extractChunks (type, chunks, script) {
var pubKeys = []
var signatures = []
break
case scriptTypes.P2PK:
- pubKeys[0] = script ? bscript.pubKey.output.decode(script) : undefined
+ pubKeys[0] = script ? btemplates.pubKey.output.decode(script) : undefined
signatures = chunks.slice(0, 1)
break
case scriptTypes.MULTISIG:
if (script) {
- var multisig = bscript.multisig.output.decode(script)
+ var multisig = btemplates.multisig.output.decode(script)
pubKeys = multisig.pubKeys
}
var chunks
var scriptSigChunks = bscript.decompile(scriptSig)
- var sigType = bscript.classifyInput(scriptSigChunks, true)
+ var sigType = btemplates.classifyInput(scriptSigChunks, true)
if (sigType === scriptTypes.P2SH) {
p2sh = true
redeemScript = scriptSigChunks[scriptSigChunks.length - 1]
- redeemScriptType = bscript.classifyOutput(redeemScript)
- prevOutScript = bscript.scriptHash.output.encode(bcrypto.hash160(redeemScript))
+ redeemScriptType = btemplates.classifyOutput(redeemScript)
+ prevOutScript = btemplates.scriptHash.output.encode(bcrypto.hash160(redeemScript))
prevOutType = scriptTypes.P2SH
script = redeemScript
}
- var classifyWitness = bscript.classifyWitness(witnessStack)
+ var classifyWitness = btemplates.classifyWitness(witnessStack, true)
if (classifyWitness === scriptTypes.P2WSH) {
witnessScript = witnessStack[witnessStack.length - 1]
- witnessScriptType = bscript.classifyOutput(witnessScript)
+ witnessScriptType = btemplates.classifyOutput(witnessScript)
p2wsh = true
+ witness = true
if (scriptSig.length === 0) {
- prevOutScript = bscript.witnessScriptHash.output.encode(bcrypto.sha256(witnessScript))
+ prevOutScript = btemplates.witnessScriptHash.output.encode(bcrypto.sha256(witnessScript))
prevOutType = scriptTypes.P2WSH
- if (typeof redeemScript !== 'undefined') {
+ if (redeemScript !== undefined) {
throw new Error('Redeem script given when unnecessary')
}
// bare witness
if (!redeemScript) {
throw new Error('No redeemScript provided for P2WSH, but scriptSig non-empty')
}
- witnessProgram = bscript.witnessScriptHash.output.encode(bcrypto.sha256(witnessScript))
+ witnessProgram = btemplates.witnessScriptHash.output.encode(bcrypto.sha256(witnessScript))
if (!redeemScript.equals(witnessProgram)) {
throw new Error('Redeem script didn\'t match witnessScript')
}
}
- if (SIGNABLE.indexOf(bscript.classifyOutput(witnessScript)) === -1) {
+ if (!supportedType(btemplates.classifyOutput(witnessScript))) {
throw new Error('unsupported witness script')
}
+
script = witnessScript
scriptType = witnessScriptType
chunks = witnessStack.slice(0, -1)
} else if (classifyWitness === scriptTypes.P2WPKH) {
+ witness = true
var key = witnessStack[witnessStack.length - 1]
var keyHash = bcrypto.hash160(key)
if (scriptSig.length === 0) {
- prevOutScript = bscript.witnessPubKeyHash.output.encode(keyHash)
+ prevOutScript = btemplates.witnessPubKeyHash.output.encode(keyHash)
prevOutType = scriptTypes.P2WPKH
if (typeof redeemScript !== 'undefined') {
throw new Error('Redeem script given when unnecessary')
if (!redeemScript) {
throw new Error('No redeemScript provided for P2WPKH, but scriptSig wasn\'t empty')
}
- witnessProgram = bscript.witnessPubKeyHash.output.encode(keyHash)
+ witnessProgram = btemplates.witnessPubKeyHash.output.encode(keyHash)
if (!redeemScript.equals(witnessProgram)) {
throw new Error('Redeem script did not have the right witness program')
}
scriptType = scriptTypes.P2PKH
chunks = witnessStack
} else if (redeemScript) {
- if (P2SH.indexOf(redeemScriptType) === -1) {
+ if (!supportedP2SHType(redeemScriptType)) {
throw new Error('Bad redeemscript!')
}
scriptType = redeemScriptType
chunks = scriptSigChunks.slice(0, -1)
} else {
- prevOutType = scriptType = bscript.classifyInput(scriptSig)
+ prevOutType = scriptType = btemplates.classifyInput(scriptSig)
chunks = scriptSigChunks
}
var scriptChunks = bscript.decompile(script)
if (!scriptType) {
- scriptType = bscript.classifyOutput(script)
+ scriptType = btemplates.classifyOutput(script)
}
var pubKeys = []
}
}
-function checkP2shInput (input, redeemScriptHash) {
+function checkP2SHInput (input, redeemScriptHash) {
if (input.prevOutType) {
if (input.prevOutType !== scriptTypes.P2SH) throw new Error('PrevOutScript must be P2SH')
if (redeemScript && witnessScript) {
redeemScriptHash = bcrypto.hash160(redeemScript)
witnessScriptHash = bcrypto.sha256(witnessScript)
- checkP2shInput(input, redeemScriptHash)
+ checkP2SHInput(input, redeemScriptHash)
- if (!redeemScript.equals(bscript.witnessScriptHash.output.encode(witnessScriptHash))) throw new Error('Witness script inconsistent with redeem script')
+ if (!redeemScript.equals(btemplates.witnessScriptHash.output.encode(witnessScriptHash))) throw new Error('Witness script inconsistent with redeem script')
expanded = expandOutput(witnessScript, undefined, kpPubKey)
if (!expanded.pubKeys) throw new Error('WitnessScript not supported "' + bscript.toASM(redeemScript) + '"')
- prevOutType = bscript.types.P2SH
- prevOutScript = bscript.scriptHash.output.encode(redeemScriptHash)
+
+ prevOutType = btemplates.types.P2SH
+ prevOutScript = btemplates.scriptHash.output.encode(redeemScriptHash)
p2sh = witness = p2wsh = true
- p2shType = bscript.types.P2WSH
+ p2shType = btemplates.types.P2WSH
signType = witnessType = expanded.scriptType
signScript = witnessScript
} else if (redeemScript) {
redeemScriptHash = bcrypto.hash160(redeemScript)
- checkP2shInput(input, redeemScriptHash)
+ checkP2SHInput(input, redeemScriptHash)
expanded = expandOutput(redeemScript, undefined, kpPubKey)
if (!expanded.pubKeys) throw new Error('RedeemScript not supported "' + bscript.toASM(redeemScript) + '"')
- prevOutType = bscript.types.P2SH
- prevOutScript = bscript.scriptHash.output.encode(redeemScriptHash)
+ prevOutType = btemplates.types.P2SH
+ prevOutScript = btemplates.scriptHash.output.encode(redeemScriptHash)
p2sh = true
signType = p2shType = expanded.scriptType
signScript = redeemScript
- witness = signType === bscript.types.P2WPKH
+ witness = signType === btemplates.types.P2WPKH
} else if (witnessScript) {
witnessScriptHash = bcrypto.sha256(witnessScript)
checkP2WSHInput(input, witnessScriptHash)
expanded = expandOutput(witnessScript, undefined, kpPubKey)
if (!expanded.pubKeys) throw new Error('WitnessScript not supported "' + bscript.toASM(redeemScript) + '"')
- prevOutType = bscript.types.P2WSH
- prevOutScript = bscript.witnessScriptHash.output.encode(witnessScriptHash)
+ prevOutType = btemplates.types.P2WSH
+ prevOutScript = btemplates.witnessScriptHash.output.encode(witnessScriptHash)
witness = p2wsh = true
signType = witnessType = expanded.scriptType
signScript = witnessScript
signType = prevOutType
signScript = prevOutScript
} else {
- prevOutScript = bscript.pubKeyHash.output.encode(bcrypto.hash160(kpPubKey))
+ prevOutScript = btemplates.pubKeyHash.output.encode(bcrypto.hash160(kpPubKey))
expanded = expandOutput(prevOutScript, scriptTypes.P2PKH, kpPubKey)
+
prevOutType = scriptTypes.P2PKH
witness = false
signType = prevOutType
signScript = prevOutScript
}
- if (witness && !types.Satoshi(witnessValue)) {
- throw new Error('Input was witness but not given witness value')
- }
-
if (signType === scriptTypes.P2WPKH) {
- signScript = bscript.pubKeyHash.output.encode(bscript.witnessPubKeyHash.output.decode(signScript))
+ signScript = btemplates.pubKeyHash.output.encode(btemplates.witnessPubKeyHash.output.decode(signScript))
}
if (p2sh) {
function buildStack (type, signatures, pubKeys, allowIncomplete) {
if (type === scriptTypes.P2PKH) {
- if (signatures.length === 1 && Buffer.isBuffer(signatures[0]) && pubKeys.length === 1) return bscript.pubKeyHash.input.encodeStack(signatures[0], pubKeys[0])
+ if (signatures.length === 1 && Buffer.isBuffer(signatures[0]) && pubKeys.length === 1) return btemplates.pubKeyHash.input.encodeStack(signatures[0], pubKeys[0])
} else if (type === scriptTypes.P2PK) {
- if (signatures.length === 1 && Buffer.isBuffer(signatures[0])) return bscript.pubKey.input.encodeStack(signatures[0])
+ if (signatures.length === 1 && Buffer.isBuffer(signatures[0])) return btemplates.pubKey.input.encodeStack(signatures[0])
} else if (type === scriptTypes.MULTISIG) {
if (signatures.length > 0) {
signatures = signatures.map(function (signature) {
signatures = signatures.filter(function (x) { return x !== ops.OP_0 })
}
- return bscript.multisig.input.encodeStack(signatures /* see if it's necessary first */)
+ return btemplates.multisig.input.encodeStack(signatures)
}
} else {
throw new Error('Not yet supported')
}
if (!allowIncomplete) throw new Error('Not enough signatures provided')
-
return []
}
var scriptType = input.prevOutType
var sig = []
var witness = []
- if (SIGNABLE.indexOf(scriptType) !== -1) {
+
+ if (supportedType(scriptType)) {
sig = buildStack(scriptType, input.signatures, input.pubKeys, allowIncomplete)
}
var p2sh = false
- if (scriptType === bscript.types.P2SH) {
+ if (scriptType === btemplates.types.P2SH) {
// We can remove this error later when we have a guarantee prepareInput
// rejects unsignable scripts - it MUST be signable at this point.
- if (P2SH.indexOf(input.redeemScriptType) === -1) {
+ if (!allowIncomplete && !supportedP2SHType(input.redeemScriptType)) {
throw new Error('Impossible to sign this type')
}
- p2sh = true
- if (SIGNABLE.indexOf(input.redeemScriptType) !== -1) {
+
+ if (supportedType(input.redeemScriptType)) {
sig = buildStack(input.redeemScriptType, input.signatures, input.pubKeys, allowIncomplete)
}
+
// If it wasn't SIGNABLE, it's witness, defer to that
- scriptType = input.redeemScriptType
+ if (input.redeemScriptType) {
+ p2sh = true
+ scriptType = input.redeemScriptType
+ }
}
- if (scriptType === bscript.types.P2WPKH) {
+ switch (scriptType) {
// P2WPKH is a special case of P2PKH
- witness = buildStack(bscript.types.P2PKH, input.signatures, input.pubKeys, allowIncomplete)
- } else if (scriptType === bscript.types.P2WSH) {
- // We can remove this check later
- if (SIGNABLE.indexOf(input.witnessScriptType) !== -1) {
- witness = buildStack(input.witnessScriptType, input.signatures, input.pubKeys, allowIncomplete)
- witness.push(input.witnessScript)
- } else {
- // We can remove this error later when we have a guarantee prepareInput
- // rejects unsignble scripts - it MUST be signable at this point.
- throw new Error()
- }
+ case btemplates.types.P2WPKH:
+ witness = buildStack(btemplates.types.P2PKH, input.signatures, input.pubKeys, allowIncomplete)
+ break
- scriptType = input.witnessScriptType
+ case btemplates.types.P2WSH:
+ // We can remove this check later
+ if (!allowIncomplete && !supportedType(input.witnessScriptType)) {
+ throw new Error('Impossible to sign this type')
+ }
+
+ if (supportedType(input.witnessScriptType)) {
+ witness = buildStack(input.witnessScriptType, input.signatures, input.pubKeys, allowIncomplete)
+ witness.push(input.witnessScript)
+ scriptType = input.witnessScriptType
+ }
+
+ break
}
// append redeemScript if necessary
}
input.prevOutScript = options.prevOutScript
- input.prevOutType = prevOutType || bscript.classifyOutput(options.prevOutScript)
+ input.prevOutType = prevOutType || btemplates.classifyOutput(options.prevOutScript)
}
var vin = this.tx.addInput(txHash, vout, options.sequence, options.scriptSig)
this.inputs[vin] = input
this.prevTxMap[prevTxOut] = vin
-
return vin
}
// skip if no result
if (!allowIncomplete) {
- if (SIGNABLE.indexOf(result.type) === -1 && result.type !== bscript.types.P2WPKH) {
+ if (!supportedType(result.type) && result.type !== btemplates.types.P2WPKH) {
throw new Error(result.type + ' not supported')
}
}
if (!allowIncomplete) {
// do not rely on this, its merely a last resort
- if (this.__overMaximumFees(tx.byteLength())) {
+ if (this.__overMaximumFees(tx.virtualSize())) {
throw new Error('Transaction has absurd fees')
}
}
input.signatures !== undefined &&
input.signatures.length === input.pubKeys.length &&
input.pubKeys.length > 0 &&
- input.witness !== undefined
+ (
+ input.witness === false ||
+ (input.witness === true && input.value !== undefined)
+ )
}
TransactionBuilder.prototype.sign = function (vin, keyPair, redeemScript, hashType, witnessValue, witnessScript) {
- if (keyPair.network !== this.network) throw new Error('Inconsistent network')
+ // TODO: remove keyPair.network matching in 4.0.0
+ if (keyPair.network && keyPair.network !== this.network) throw new TypeError('Inconsistent network')
if (!this.inputs[vin]) throw new Error('No input at index: ' + vin)
hashType = hashType || Transaction.SIGHASH_ALL
throw new Error('Inconsistent redeemScript')
}
- var kpPubKey = keyPair.getPublicKeyBuffer()
+ var kpPubKey = keyPair.publicKey || keyPair.getPublicKeyBuffer()
if (!canSign(input)) {
- prepareInput(input, kpPubKey, redeemScript, witnessValue, witnessScript)
+ if (witnessValue !== undefined) {
+ if (input.value !== undefined && input.value !== witnessValue) throw new Error('Input didn\'t match witnessValue')
+ typeforce(types.Satoshi, witnessValue)
+ input.value = witnessValue
+ }
+
+ if (!canSign(input)) prepareInput(input, kpPubKey, redeemScript, witnessValue, witnessScript)
if (!canSign(input)) throw Error(input.prevOutType + ' not supported')
}
// ready to sign
var signatureHash
if (input.witness) {
- signatureHash = this.tx.hashForWitnessV0(vin, input.signScript, witnessValue, hashType)
+ signatureHash = this.tx.hashForWitnessV0(vin, input.signScript, input.value, hashType)
} else {
signatureHash = this.tx.hashForSignature(vin, input.signScript, hashType)
}
+
// enforce in order signing of public keys
var signed = input.pubKeys.some(function (pubKey, i) {
if (!kpPubKey.equals(pubKey)) return false
if (input.signatures[i]) throw new Error('Signature already exists')
+ if (kpPubKey.length !== 33 &&
+ input.signType === scriptTypes.P2WPKH) throw new Error('BIP143 rejects uncompressed public keys in P2WPKH or P2WSH')
- input.signatures[i] = keyPair.sign(signatureHash).toScriptSignature(hashType)
+ var signature = keyPair.sign(signatureHash)
+ if (Buffer.isBuffer(signature)) signature = ECSignature.fromRSBuffer(signature)
+
+ input.signatures[i] = signature.toScriptSignature(hashType)
return true
})
module.exports = TransactionBuilder
-},{"./address":42,"./crypto":45,"./ecpair":47,"./ecsignature":48,"./networks":51,"./script":52,"./transaction":76,"./types":78,"bitcoin-ops":40,"safe-buffer":98,"typeforce":109}],78:[function(require,module,exports){
+},{"./address":44,"./crypto":47,"./ecpair":49,"./ecsignature":50,"./networks":53,"./script":54,"./templates":56,"./transaction":78,"./types":80,"bitcoin-ops":42,"safe-buffer":128,"typeforce":139}],80:[function(require,module,exports){
var typeforce = require('typeforce')
var UINT31_MAX = Math.pow(2, 31) - 1
module.exports = types
-},{"typeforce":109}],79:[function(require,module,exports){
-var basex = require('base-x')
-var ALPHABET = '123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz'
-
-module.exports = basex(ALPHABET)
-
-},{"base-x":34}],80:[function(require,module,exports){
-(function (Buffer){
-'use strict'
+},{"typeforce":139}],81:[function(require,module,exports){
+(function (module, exports) {
+ 'use strict';
-var base58 = require('bs58')
-var createHash = require('create-hash')
+ // Utils
+ function assert (val, msg) {
+ if (!val) throw new Error(msg || 'Assertion failed');
+ }
-// SHA256(SHA256(buffer))
-function sha256x2 (buffer) {
- var tmp = createHash('sha256').update(buffer).digest()
- return createHash('sha256').update(tmp).digest()
-}
+ // Could use `inherits` module, but don't want to move from single file
+ // architecture yet.
+ function inherits (ctor, superCtor) {
+ ctor.super_ = superCtor;
+ var TempCtor = function () {};
+ TempCtor.prototype = superCtor.prototype;
+ ctor.prototype = new TempCtor();
+ ctor.prototype.constructor = ctor;
+ }
-// Encode a buffer as a base58-check encoded string
-function encode (payload) {
- var checksum = sha256x2(payload)
+ // BN
- return base58.encode(Buffer.concat([
- payload,
- checksum
- ], payload.length + 4))
-}
+ function BN (number, base, endian) {
+ if (BN.isBN(number)) {
+ return number;
+ }
-function decodeRaw (buffer) {
- var payload = buffer.slice(0, -4)
- var checksum = buffer.slice(-4)
- var newChecksum = sha256x2(payload)
+ this.negative = 0;
+ this.words = null;
+ this.length = 0;
- if (checksum[0] ^ newChecksum[0] |
- checksum[1] ^ newChecksum[1] |
- checksum[2] ^ newChecksum[2] |
- checksum[3] ^ newChecksum[3]) return
+ // Reduction context
+ this.red = null;
- return payload
-}
+ if (number !== null) {
+ if (base === 'le' || base === 'be') {
+ endian = base;
+ base = 10;
+ }
-// Decode a base58-check encoded string to a buffer, no result if checksum is wrong
-function decodeUnsafe (string) {
- var buffer = base58.decodeUnsafe(string)
- if (!buffer) return
-
- return decodeRaw(buffer)
-}
-
-function decode (string) {
- var buffer = base58.decode(string)
- var payload = decodeRaw(buffer)
- if (!payload) throw new Error('Invalid checksum')
- return payload
-}
-
-module.exports = {
- encode: encode,
- decode: decode,
- decodeUnsafe: decodeUnsafe
-}
-
-}).call(this,require("buffer").Buffer)
-},{"bs58":79,"buffer":4,"create-hash":82}],81:[function(require,module,exports){
-var Buffer = require('safe-buffer').Buffer
-var Transform = require('stream').Transform
-var StringDecoder = require('string_decoder').StringDecoder
-var inherits = require('inherits')
-
-function CipherBase (hashMode) {
- Transform.call(this)
- this.hashMode = typeof hashMode === 'string'
- if (this.hashMode) {
- this[hashMode] = this._finalOrDigest
- } else {
- this.final = this._finalOrDigest
+ this._init(number || 0, base || 10, endian || 'be');
+ }
}
- if (this._final) {
- this.__final = this._final
- this._final = null
+ if (typeof module === 'object') {
+ module.exports = BN;
+ } else {
+ exports.BN = BN;
}
- this._decoder = null
- this._encoding = null
-}
-inherits(CipherBase, Transform)
-CipherBase.prototype.update = function (data, inputEnc, outputEnc) {
- if (typeof data === 'string') {
- data = Buffer.from(data, inputEnc)
+ BN.BN = BN;
+ BN.wordSize = 26;
+
+ var Buffer;
+ try {
+ Buffer = require('buf' + 'fer').Buffer;
+ } catch (e) {
}
- var outData = this._update(data)
- if (this.hashMode) return this
+ BN.isBN = function isBN (num) {
+ if (num instanceof BN) {
+ return true;
+ }
- if (outputEnc) {
- outData = this._toString(outData, outputEnc)
- }
+ return num !== null && typeof num === 'object' &&
+ num.constructor.wordSize === BN.wordSize && Array.isArray(num.words);
+ };
- return outData
-}
+ BN.max = function max (left, right) {
+ if (left.cmp(right) > 0) return left;
+ return right;
+ };
-CipherBase.prototype.setAutoPadding = function () {}
-CipherBase.prototype.getAuthTag = function () {
- throw new Error('trying to get auth tag in unsupported state')
-}
+ BN.min = function min (left, right) {
+ if (left.cmp(right) < 0) return left;
+ return right;
+ };
-CipherBase.prototype.setAuthTag = function () {
- throw new Error('trying to set auth tag in unsupported state')
-}
+ BN.prototype._init = function init (number, base, endian) {
+ if (typeof number === 'number') {
+ return this._initNumber(number, base, endian);
+ }
-CipherBase.prototype.setAAD = function () {
- throw new Error('trying to set aad in unsupported state')
-}
+ if (typeof number === 'object') {
+ return this._initArray(number, base, endian);
+ }
-CipherBase.prototype._transform = function (data, _, next) {
- var err
- try {
- if (this.hashMode) {
- this._update(data)
- } else {
- this.push(this._update(data))
+ if (base === 'hex') {
+ base = 16;
}
- } catch (e) {
- err = e
- } finally {
- next(err)
- }
-}
-CipherBase.prototype._flush = function (done) {
- var err
- try {
- this.push(this.__final())
- } catch (e) {
- err = e
- }
+ assert(base === (base | 0) && base >= 2 && base <= 36);
- done(err)
-}
-CipherBase.prototype._finalOrDigest = function (outputEnc) {
- var outData = this.__final() || Buffer.alloc(0)
- if (outputEnc) {
- outData = this._toString(outData, outputEnc, true)
- }
- return outData
-}
+ number = number.toString().replace(/\s+/g, '');
+ var start = 0;
+ if (number[0] === '-') {
+ start++;
+ }
-CipherBase.prototype._toString = function (value, enc, fin) {
- if (!this._decoder) {
- this._decoder = new StringDecoder(enc)
- this._encoding = enc
- }
+ if (base === 16) {
+ this._parseHex(number, start);
+ } else {
+ this._parseBase(number, base, start);
+ }
- if (this._encoding !== enc) throw new Error('can\'t switch encodings')
+ if (number[0] === '-') {
+ this.negative = 1;
+ }
- var out = this._decoder.write(value)
- if (fin) {
- out += this._decoder.end()
- }
+ this.strip();
- return out
-}
+ if (endian !== 'le') return;
-module.exports = CipherBase
+ this._initArray(this.toArray(), base, endian);
+ };
-},{"inherits":93,"safe-buffer":98,"stream":27,"string_decoder":28}],82:[function(require,module,exports){
-(function (Buffer){
-'use strict'
-var inherits = require('inherits')
-var md5 = require('./md5')
-var RIPEMD160 = require('ripemd160')
-var sha = require('sha.js')
+ BN.prototype._initNumber = function _initNumber (number, base, endian) {
+ if (number < 0) {
+ this.negative = 1;
+ number = -number;
+ }
+ if (number < 0x4000000) {
+ this.words = [ number & 0x3ffffff ];
+ this.length = 1;
+ } else if (number < 0x10000000000000) {
+ this.words = [
+ number & 0x3ffffff,
+ (number / 0x4000000) & 0x3ffffff
+ ];
+ this.length = 2;
+ } else {
+ assert(number < 0x20000000000000); // 2 ^ 53 (unsafe)
+ this.words = [
+ number & 0x3ffffff,
+ (number / 0x4000000) & 0x3ffffff,
+ 1
+ ];
+ this.length = 3;
+ }
-var Base = require('cipher-base')
+ if (endian !== 'le') return;
-function HashNoConstructor (hash) {
- Base.call(this, 'digest')
+ // Reverse the bytes
+ this._initArray(this.toArray(), base, endian);
+ };
- this._hash = hash
- this.buffers = []
-}
+ BN.prototype._initArray = function _initArray (number, base, endian) {
+ // Perhaps a Uint8Array
+ assert(typeof number.length === 'number');
+ if (number.length <= 0) {
+ this.words = [ 0 ];
+ this.length = 1;
+ return this;
+ }
-inherits(HashNoConstructor, Base)
+ this.length = Math.ceil(number.length / 3);
+ this.words = new Array(this.length);
+ for (var i = 0; i < this.length; i++) {
+ this.words[i] = 0;
+ }
-HashNoConstructor.prototype._update = function (data) {
- this.buffers.push(data)
-}
+ var j, w;
+ var off = 0;
+ if (endian === 'be') {
+ for (i = number.length - 1, j = 0; i >= 0; i -= 3) {
+ w = number[i] | (number[i - 1] << 8) | (number[i - 2] << 16);
+ this.words[j] |= (w << off) & 0x3ffffff;
+ this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
+ off += 24;
+ if (off >= 26) {
+ off -= 26;
+ j++;
+ }
+ }
+ } else if (endian === 'le') {
+ for (i = 0, j = 0; i < number.length; i += 3) {
+ w = number[i] | (number[i + 1] << 8) | (number[i + 2] << 16);
+ this.words[j] |= (w << off) & 0x3ffffff;
+ this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
+ off += 24;
+ if (off >= 26) {
+ off -= 26;
+ j++;
+ }
+ }
+ }
+ return this.strip();
+ };
-HashNoConstructor.prototype._final = function () {
- var buf = Buffer.concat(this.buffers)
- var r = this._hash(buf)
- this.buffers = null
+ function parseHex (str, start, end) {
+ var r = 0;
+ var len = Math.min(str.length, end);
+ for (var i = start; i < len; i++) {
+ var c = str.charCodeAt(i) - 48;
- return r
-}
+ r <<= 4;
-function Hash (hash) {
- Base.call(this, 'digest')
+ // 'a' - 'f'
+ if (c >= 49 && c <= 54) {
+ r |= c - 49 + 0xa;
- this._hash = hash
-}
+ // 'A' - 'F'
+ } else if (c >= 17 && c <= 22) {
+ r |= c - 17 + 0xa;
-inherits(Hash, Base)
+ // '0' - '9'
+ } else {
+ r |= c & 0xf;
+ }
+ }
+ return r;
+ }
-Hash.prototype._update = function (data) {
- this._hash.update(data)
-}
+ BN.prototype._parseHex = function _parseHex (number, start) {
+ // Create possibly bigger array to ensure that it fits the number
+ this.length = Math.ceil((number.length - start) / 6);
+ this.words = new Array(this.length);
+ for (var i = 0; i < this.length; i++) {
+ this.words[i] = 0;
+ }
-Hash.prototype._final = function () {
- return this._hash.digest()
-}
+ var j, w;
+ // Scan 24-bit chunks and add them to the number
+ var off = 0;
+ for (i = number.length - 6, j = 0; i >= start; i -= 6) {
+ w = parseHex(number, i, i + 6);
+ this.words[j] |= (w << off) & 0x3ffffff;
+ // NOTE: `0x3fffff` is intentional here, 26bits max shift + 24bit hex limb
+ this.words[j + 1] |= w >>> (26 - off) & 0x3fffff;
+ off += 24;
+ if (off >= 26) {
+ off -= 26;
+ j++;
+ }
+ }
+ if (i + 6 !== start) {
+ w = parseHex(number, start, i + 6);
+ this.words[j] |= (w << off) & 0x3ffffff;
+ this.words[j + 1] |= w >>> (26 - off) & 0x3fffff;
+ }
+ this.strip();
+ };
-module.exports = function createHash (alg) {
- alg = alg.toLowerCase()
- if (alg === 'md5') return new HashNoConstructor(md5)
- if (alg === 'rmd160' || alg === 'ripemd160') return new Hash(new RIPEMD160())
+ function parseBase (str, start, end, mul) {
+ var r = 0;
+ var len = Math.min(str.length, end);
+ for (var i = start; i < len; i++) {
+ var c = str.charCodeAt(i) - 48;
- return new Hash(sha(alg))
-}
+ r *= mul;
-}).call(this,require("buffer").Buffer)
-},{"./md5":84,"buffer":4,"cipher-base":81,"inherits":93,"ripemd160":97,"sha.js":100}],83:[function(require,module,exports){
-(function (Buffer){
-'use strict'
-var intSize = 4
-var zeroBuffer = new Buffer(intSize)
-zeroBuffer.fill(0)
+ // 'a'
+ if (c >= 49) {
+ r += c - 49 + 0xa;
-var charSize = 8
-var hashSize = 16
+ // 'A'
+ } else if (c >= 17) {
+ r += c - 17 + 0xa;
-function toArray (buf) {
- if ((buf.length % intSize) !== 0) {
- var len = buf.length + (intSize - (buf.length % intSize))
- buf = Buffer.concat([buf, zeroBuffer], len)
+ // '0' - '9'
+ } else {
+ r += c;
+ }
+ }
+ return r;
}
- var arr = new Array(buf.length >>> 2)
- for (var i = 0, j = 0; i < buf.length; i += intSize, j++) {
- arr[j] = buf.readInt32LE(i)
- }
+ BN.prototype._parseBase = function _parseBase (number, base, start) {
+ // Initialize as zero
+ this.words = [ 0 ];
+ this.length = 1;
- return arr
-}
+ // Find length of limb in base
+ for (var limbLen = 0, limbPow = 1; limbPow <= 0x3ffffff; limbPow *= base) {
+ limbLen++;
+ }
+ limbLen--;
+ limbPow = (limbPow / base) | 0;
-module.exports = function hash (buf, fn) {
- var arr = fn(toArray(buf), buf.length * charSize)
- buf = new Buffer(hashSize)
- for (var i = 0; i < arr.length; i++) {
- buf.writeInt32LE(arr[i], i << 2, true)
- }
- return buf
-}
+ var total = number.length - start;
+ var mod = total % limbLen;
+ var end = Math.min(total, total - mod) + start;
-}).call(this,require("buffer").Buffer)
-},{"buffer":4}],84:[function(require,module,exports){
-'use strict'
-/*
- * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
- * Digest Algorithm, as defined in RFC 1321.
- * Version 2.1 Copyright (C) Paul Johnston 1999 - 2002.
- * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
- * Distributed under the BSD License
- * See http://pajhome.org.uk/crypt/md5 for more info.
- */
+ var word = 0;
+ for (var i = start; i < end; i += limbLen) {
+ word = parseBase(number, i, i + limbLen, base);
-var makeHash = require('./make-hash')
+ this.imuln(limbPow);
+ if (this.words[0] + word < 0x4000000) {
+ this.words[0] += word;
+ } else {
+ this._iaddn(word);
+ }
+ }
-/*
- * Calculate the MD5 of an array of little-endian words, and a bit length
- */
-function core_md5 (x, len) {
- /* append padding */
- x[len >> 5] |= 0x80 << ((len) % 32)
- x[(((len + 64) >>> 9) << 4) + 14] = len
+ if (mod !== 0) {
+ var pow = 1;
+ word = parseBase(number, i, number.length, base);
- var a = 1732584193
- var b = -271733879
- var c = -1732584194
- var d = 271733878
+ for (i = 0; i < mod; i++) {
+ pow *= base;
+ }
- for (var i = 0; i < x.length; i += 16) {
- var olda = a
- var oldb = b
- var oldc = c
- var oldd = d
+ this.imuln(pow);
+ if (this.words[0] + word < 0x4000000) {
+ this.words[0] += word;
+ } else {
+ this._iaddn(word);
+ }
+ }
+ };
- a = md5_ff(a, b, c, d, x[i + 0], 7, -680876936)
- d = md5_ff(d, a, b, c, x[i + 1], 12, -389564586)
- c = md5_ff(c, d, a, b, x[i + 2], 17, 606105819)
- b = md5_ff(b, c, d, a, x[i + 3], 22, -1044525330)
- a = md5_ff(a, b, c, d, x[i + 4], 7, -176418897)
- d = md5_ff(d, a, b, c, x[i + 5], 12, 1200080426)
- c = md5_ff(c, d, a, b, x[i + 6], 17, -1473231341)
- b = md5_ff(b, c, d, a, x[i + 7], 22, -45705983)
- a = md5_ff(a, b, c, d, x[i + 8], 7, 1770035416)
- d = md5_ff(d, a, b, c, x[i + 9], 12, -1958414417)
- c = md5_ff(c, d, a, b, x[i + 10], 17, -42063)
- b = md5_ff(b, c, d, a, x[i + 11], 22, -1990404162)
- a = md5_ff(a, b, c, d, x[i + 12], 7, 1804603682)
- d = md5_ff(d, a, b, c, x[i + 13], 12, -40341101)
- c = md5_ff(c, d, a, b, x[i + 14], 17, -1502002290)
- b = md5_ff(b, c, d, a, x[i + 15], 22, 1236535329)
+ BN.prototype.copy = function copy (dest) {
+ dest.words = new Array(this.length);
+ for (var i = 0; i < this.length; i++) {
+ dest.words[i] = this.words[i];
+ }
+ dest.length = this.length;
+ dest.negative = this.negative;
+ dest.red = this.red;
+ };
- a = md5_gg(a, b, c, d, x[i + 1], 5, -165796510)
+ BN.prototype.clone = function clone () {
+ var r = new BN(null);
+ this.copy(r);
+ return r;
+ };
+
+ BN.prototype._expand = function _expand (size) {
+ while (this.length < size) {
+ this.words[this.length++] = 0;
+ }
+ return this;
+ };
+
+ // Remove leading `0` from `this`
+ BN.prototype.strip = function strip () {
+ while (this.length > 1 && this.words[this.length - 1] === 0) {
+ this.length--;
+ }
+ return this._normSign();
+ };
+
+ BN.prototype._normSign = function _normSign () {
+ // -0 = 0
+ if (this.length === 1 && this.words[0] === 0) {
+ this.negative = 0;
+ }
+ return this;
+ };
+
+ BN.prototype.inspect = function inspect () {
+ return (this.red ? '<BN-R: ' : '<BN: ') + this.toString(16) + '>';
+ };
+
+ /*
+
+ var zeros = [];
+ var groupSizes = [];
+ var groupBases = [];
+
+ var s = '';
+ var i = -1;
+ while (++i < BN.wordSize) {
+ zeros[i] = s;
+ s += '0';
+ }
+ groupSizes[0] = 0;
+ groupSizes[1] = 0;
+ groupBases[0] = 0;
+ groupBases[1] = 0;
+ var base = 2 - 1;
+ while (++base < 36 + 1) {
+ var groupSize = 0;
+ var groupBase = 1;
+ while (groupBase < (1 << BN.wordSize) / base) {
+ groupBase *= base;
+ groupSize += 1;
+ }
+ groupSizes[base] = groupSize;
+ groupBases[base] = groupBase;
+ }
+
+ */
+
+ var zeros = [
+ '',
+ '0',
+ '00',
+ '000',
+ '0000',
+ '00000',
+ '000000',
+ '0000000',
+ '00000000',
+ '000000000',
+ '0000000000',
+ '00000000000',
+ '000000000000',
+ '0000000000000',
+ '00000000000000',
+ '000000000000000',
+ '0000000000000000',
+ '00000000000000000',
+ '000000000000000000',
+ '0000000000000000000',
+ '00000000000000000000',
+ '000000000000000000000',
+ '0000000000000000000000',
+ '00000000000000000000000',
+ '000000000000000000000000',
+ '0000000000000000000000000'
+ ];
+
+ var groupSizes = [
+ 0, 0,
+ 25, 16, 12, 11, 10, 9, 8,
+ 8, 7, 7, 7, 7, 6, 6,
+ 6, 6, 6, 6, 6, 5, 5,
+ 5, 5, 5, 5, 5, 5, 5,
+ 5, 5, 5, 5, 5, 5, 5
+ ];
+
+ var groupBases = [
+ 0, 0,
+ 33554432, 43046721, 16777216, 48828125, 60466176, 40353607, 16777216,
+ 43046721, 10000000, 19487171, 35831808, 62748517, 7529536, 11390625,
+ 16777216, 24137569, 34012224, 47045881, 64000000, 4084101, 5153632,
+ 6436343, 7962624, 9765625, 11881376, 14348907, 17210368, 20511149,
+ 24300000, 28629151, 33554432, 39135393, 45435424, 52521875, 60466176
+ ];
+
+ BN.prototype.toString = function toString (base, padding) {
+ base = base || 10;
+ padding = padding | 0 || 1;
+
+ var out;
+ if (base === 16 || base === 'hex') {
+ out = '';
+ var off = 0;
+ var carry = 0;
+ for (var i = 0; i < this.length; i++) {
+ var w = this.words[i];
+ var word = (((w << off) | carry) & 0xffffff).toString(16);
+ carry = (w >>> (24 - off)) & 0xffffff;
+ if (carry !== 0 || i !== this.length - 1) {
+ out = zeros[6 - word.length] + word + out;
+ } else {
+ out = word + out;
+ }
+ off += 2;
+ if (off >= 26) {
+ off -= 26;
+ i--;
+ }
+ }
+ if (carry !== 0) {
+ out = carry.toString(16) + out;
+ }
+ while (out.length % padding !== 0) {
+ out = '0' + out;
+ }
+ if (this.negative !== 0) {
+ out = '-' + out;
+ }
+ return out;
+ }
+
+ if (base === (base | 0) && base >= 2 && base <= 36) {
+ // var groupSize = Math.floor(BN.wordSize * Math.LN2 / Math.log(base));
+ var groupSize = groupSizes[base];
+ // var groupBase = Math.pow(base, groupSize);
+ var groupBase = groupBases[base];
+ out = '';
+ var c = this.clone();
+ c.negative = 0;
+ while (!c.isZero()) {
+ var r = c.modn(groupBase).toString(base);
+ c = c.idivn(groupBase);
+
+ if (!c.isZero()) {
+ out = zeros[groupSize - r.length] + r + out;
+ } else {
+ out = r + out;
+ }
+ }
+ if (this.isZero()) {
+ out = '0' + out;
+ }
+ while (out.length % padding !== 0) {
+ out = '0' + out;
+ }
+ if (this.negative !== 0) {
+ out = '-' + out;
+ }
+ return out;
+ }
+
+ assert(false, 'Base should be between 2 and 36');
+ };
+
+ BN.prototype.toNumber = function toNumber () {
+ var ret = this.words[0];
+ if (this.length === 2) {
+ ret += this.words[1] * 0x4000000;
+ } else if (this.length === 3 && this.words[2] === 0x01) {
+ // NOTE: at this stage it is known that the top bit is set
+ ret += 0x10000000000000 + (this.words[1] * 0x4000000);
+ } else if (this.length > 2) {
+ assert(false, 'Number can only safely store up to 53 bits');
+ }
+ return (this.negative !== 0) ? -ret : ret;
+ };
+
+ BN.prototype.toJSON = function toJSON () {
+ return this.toString(16);
+ };
+
+ BN.prototype.toBuffer = function toBuffer (endian, length) {
+ assert(typeof Buffer !== 'undefined');
+ return this.toArrayLike(Buffer, endian, length);
+ };
+
+ BN.prototype.toArray = function toArray (endian, length) {
+ return this.toArrayLike(Array, endian, length);
+ };
+
+ BN.prototype.toArrayLike = function toArrayLike (ArrayType, endian, length) {
+ var byteLength = this.byteLength();
+ var reqLength = length || Math.max(1, byteLength);
+ assert(byteLength <= reqLength, 'byte array longer than desired length');
+ assert(reqLength > 0, 'Requested array length <= 0');
+
+ this.strip();
+ var littleEndian = endian === 'le';
+ var res = new ArrayType(reqLength);
+
+ var b, i;
+ var q = this.clone();
+ if (!littleEndian) {
+ // Assume big-endian
+ for (i = 0; i < reqLength - byteLength; i++) {
+ res[i] = 0;
+ }
+
+ for (i = 0; !q.isZero(); i++) {
+ b = q.andln(0xff);
+ q.iushrn(8);
+
+ res[reqLength - i - 1] = b;
+ }
+ } else {
+ for (i = 0; !q.isZero(); i++) {
+ b = q.andln(0xff);
+ q.iushrn(8);
+
+ res[i] = b;
+ }
+
+ for (; i < reqLength; i++) {
+ res[i] = 0;
+ }
+ }
+
+ return res;
+ };
+
+ if (Math.clz32) {
+ BN.prototype._countBits = function _countBits (w) {
+ return 32 - Math.clz32(w);
+ };
+ } else {
+ BN.prototype._countBits = function _countBits (w) {
+ var t = w;
+ var r = 0;
+ if (t >= 0x1000) {
+ r += 13;
+ t >>>= 13;
+ }
+ if (t >= 0x40) {
+ r += 7;
+ t >>>= 7;
+ }
+ if (t >= 0x8) {
+ r += 4;
+ t >>>= 4;
+ }
+ if (t >= 0x02) {
+ r += 2;
+ t >>>= 2;
+ }
+ return r + t;
+ };
+ }
+
+ BN.prototype._zeroBits = function _zeroBits (w) {
+ // Short-cut
+ if (w === 0) return 26;
+
+ var t = w;
+ var r = 0;
+ if ((t & 0x1fff) === 0) {
+ r += 13;
+ t >>>= 13;
+ }
+ if ((t & 0x7f) === 0) {
+ r += 7;
+ t >>>= 7;
+ }
+ if ((t & 0xf) === 0) {
+ r += 4;
+ t >>>= 4;
+ }
+ if ((t & 0x3) === 0) {
+ r += 2;
+ t >>>= 2;
+ }
+ if ((t & 0x1) === 0) {
+ r++;
+ }
+ return r;
+ };
+
+ // Return number of used bits in a BN
+ BN.prototype.bitLength = function bitLength () {
+ var w = this.words[this.length - 1];
+ var hi = this._countBits(w);
+ return (this.length - 1) * 26 + hi;
+ };
+
+ function toBitArray (num) {
+ var w = new Array(num.bitLength());
+
+ for (var bit = 0; bit < w.length; bit++) {
+ var off = (bit / 26) | 0;
+ var wbit = bit % 26;
+
+ w[bit] = (num.words[off] & (1 << wbit)) >>> wbit;
+ }
+
+ return w;
+ }
+
+ // Number of trailing zero bits
+ BN.prototype.zeroBits = function zeroBits () {
+ if (this.isZero()) return 0;
+
+ var r = 0;
+ for (var i = 0; i < this.length; i++) {
+ var b = this._zeroBits(this.words[i]);
+ r += b;
+ if (b !== 26) break;
+ }
+ return r;
+ };
+
+ BN.prototype.byteLength = function byteLength () {
+ return Math.ceil(this.bitLength() / 8);
+ };
+
+ BN.prototype.toTwos = function toTwos (width) {
+ if (this.negative !== 0) {
+ return this.abs().inotn(width).iaddn(1);
+ }
+ return this.clone();
+ };
+
+ BN.prototype.fromTwos = function fromTwos (width) {
+ if (this.testn(width - 1)) {
+ return this.notn(width).iaddn(1).ineg();
+ }
+ return this.clone();
+ };
+
+ BN.prototype.isNeg = function isNeg () {
+ return this.negative !== 0;
+ };
+
+ // Return negative clone of `this`
+ BN.prototype.neg = function neg () {
+ return this.clone().ineg();
+ };
+
+ BN.prototype.ineg = function ineg () {
+ if (!this.isZero()) {
+ this.negative ^= 1;
+ }
+
+ return this;
+ };
+
+ // Or `num` with `this` in-place
+ BN.prototype.iuor = function iuor (num) {
+ while (this.length < num.length) {
+ this.words[this.length++] = 0;
+ }
+
+ for (var i = 0; i < num.length; i++) {
+ this.words[i] = this.words[i] | num.words[i];
+ }
+
+ return this.strip();
+ };
+
+ BN.prototype.ior = function ior (num) {
+ assert((this.negative | num.negative) === 0);
+ return this.iuor(num);
+ };
+
+ // Or `num` with `this`
+ BN.prototype.or = function or (num) {
+ if (this.length > num.length) return this.clone().ior(num);
+ return num.clone().ior(this);
+ };
+
+ BN.prototype.uor = function uor (num) {
+ if (this.length > num.length) return this.clone().iuor(num);
+ return num.clone().iuor(this);
+ };
+
+ // And `num` with `this` in-place
+ BN.prototype.iuand = function iuand (num) {
+ // b = min-length(num, this)
+ var b;
+ if (this.length > num.length) {
+ b = num;
+ } else {
+ b = this;
+ }
+
+ for (var i = 0; i < b.length; i++) {
+ this.words[i] = this.words[i] & num.words[i];
+ }
+
+ this.length = b.length;
+
+ return this.strip();
+ };
+
+ BN.prototype.iand = function iand (num) {
+ assert((this.negative | num.negative) === 0);
+ return this.iuand(num);
+ };
+
+ // And `num` with `this`
+ BN.prototype.and = function and (num) {
+ if (this.length > num.length) return this.clone().iand(num);
+ return num.clone().iand(this);
+ };
+
+ BN.prototype.uand = function uand (num) {
+ if (this.length > num.length) return this.clone().iuand(num);
+ return num.clone().iuand(this);
+ };
+
+ // Xor `num` with `this` in-place
+ BN.prototype.iuxor = function iuxor (num) {
+ // a.length > b.length
+ var a;
+ var b;
+ if (this.length > num.length) {
+ a = this;
+ b = num;
+ } else {
+ a = num;
+ b = this;
+ }
+
+ for (var i = 0; i < b.length; i++) {
+ this.words[i] = a.words[i] ^ b.words[i];
+ }
+
+ if (this !== a) {
+ for (; i < a.length; i++) {
+ this.words[i] = a.words[i];
+ }
+ }
+
+ this.length = a.length;
+
+ return this.strip();
+ };
+
+ BN.prototype.ixor = function ixor (num) {
+ assert((this.negative | num.negative) === 0);
+ return this.iuxor(num);
+ };
+
+ // Xor `num` with `this`
+ BN.prototype.xor = function xor (num) {
+ if (this.length > num.length) return this.clone().ixor(num);
+ return num.clone().ixor(this);
+ };
+
+ BN.prototype.uxor = function uxor (num) {
+ if (this.length > num.length) return this.clone().iuxor(num);
+ return num.clone().iuxor(this);
+ };
+
+ // Not ``this`` with ``width`` bitwidth
+ BN.prototype.inotn = function inotn (width) {
+ assert(typeof width === 'number' && width >= 0);
+
+ var bytesNeeded = Math.ceil(width / 26) | 0;
+ var bitsLeft = width % 26;
+
+ // Extend the buffer with leading zeroes
+ this._expand(bytesNeeded);
+
+ if (bitsLeft > 0) {
+ bytesNeeded--;
+ }
+
+ // Handle complete words
+ for (var i = 0; i < bytesNeeded; i++) {
+ this.words[i] = ~this.words[i] & 0x3ffffff;
+ }
+
+ // Handle the residue
+ if (bitsLeft > 0) {
+ this.words[i] = ~this.words[i] & (0x3ffffff >> (26 - bitsLeft));
+ }
+
+ // And remove leading zeroes
+ return this.strip();
+ };
+
+ BN.prototype.notn = function notn (width) {
+ return this.clone().inotn(width);
+ };
+
+ // Set `bit` of `this`
+ BN.prototype.setn = function setn (bit, val) {
+ assert(typeof bit === 'number' && bit >= 0);
+
+ var off = (bit / 26) | 0;
+ var wbit = bit % 26;
+
+ this._expand(off + 1);
+
+ if (val) {
+ this.words[off] = this.words[off] | (1 << wbit);
+ } else {
+ this.words[off] = this.words[off] & ~(1 << wbit);
+ }
+
+ return this.strip();
+ };
+
+ // Add `num` to `this` in-place
+ BN.prototype.iadd = function iadd (num) {
+ var r;
+
+ // negative + positive
+ if (this.negative !== 0 && num.negative === 0) {
+ this.negative = 0;
+ r = this.isub(num);
+ this.negative ^= 1;
+ return this._normSign();
+
+ // positive + negative
+ } else if (this.negative === 0 && num.negative !== 0) {
+ num.negative = 0;
+ r = this.isub(num);
+ num.negative = 1;
+ return r._normSign();
+ }
+
+ // a.length > b.length
+ var a, b;
+ if (this.length > num.length) {
+ a = this;
+ b = num;
+ } else {
+ a = num;
+ b = this;
+ }
+
+ var carry = 0;
+ for (var i = 0; i < b.length; i++) {
+ r = (a.words[i] | 0) + (b.words[i] | 0) + carry;
+ this.words[i] = r & 0x3ffffff;
+ carry = r >>> 26;
+ }
+ for (; carry !== 0 && i < a.length; i++) {
+ r = (a.words[i] | 0) + carry;
+ this.words[i] = r & 0x3ffffff;
+ carry = r >>> 26;
+ }
+
+ this.length = a.length;
+ if (carry !== 0) {
+ this.words[this.length] = carry;
+ this.length++;
+ // Copy the rest of the words
+ } else if (a !== this) {
+ for (; i < a.length; i++) {
+ this.words[i] = a.words[i];
+ }
+ }
+
+ return this;
+ };
+
+ // Add `num` to `this`
+ BN.prototype.add = function add (num) {
+ var res;
+ if (num.negative !== 0 && this.negative === 0) {
+ num.negative = 0;
+ res = this.sub(num);
+ num.negative ^= 1;
+ return res;
+ } else if (num.negative === 0 && this.negative !== 0) {
+ this.negative = 0;
+ res = num.sub(this);
+ this.negative = 1;
+ return res;
+ }
+
+ if (this.length > num.length) return this.clone().iadd(num);
+
+ return num.clone().iadd(this);
+ };
+
+ // Subtract `num` from `this` in-place
+ BN.prototype.isub = function isub (num) {
+ // this - (-num) = this + num
+ if (num.negative !== 0) {
+ num.negative = 0;
+ var r = this.iadd(num);
+ num.negative = 1;
+ return r._normSign();
+
+ // -this - num = -(this + num)
+ } else if (this.negative !== 0) {
+ this.negative = 0;
+ this.iadd(num);
+ this.negative = 1;
+ return this._normSign();
+ }
+
+ // At this point both numbers are positive
+ var cmp = this.cmp(num);
+
+ // Optimization - zeroify
+ if (cmp === 0) {
+ this.negative = 0;
+ this.length = 1;
+ this.words[0] = 0;
+ return this;
+ }
+
+ // a > b
+ var a, b;
+ if (cmp > 0) {
+ a = this;
+ b = num;
+ } else {
+ a = num;
+ b = this;
+ }
+
+ var carry = 0;
+ for (var i = 0; i < b.length; i++) {
+ r = (a.words[i] | 0) - (b.words[i] | 0) + carry;
+ carry = r >> 26;
+ this.words[i] = r & 0x3ffffff;
+ }
+ for (; carry !== 0 && i < a.length; i++) {
+ r = (a.words[i] | 0) + carry;
+ carry = r >> 26;
+ this.words[i] = r & 0x3ffffff;
+ }
+
+ // Copy rest of the words
+ if (carry === 0 && i < a.length && a !== this) {
+ for (; i < a.length; i++) {
+ this.words[i] = a.words[i];
+ }
+ }
+
+ this.length = Math.max(this.length, i);
+
+ if (a !== this) {
+ this.negative = 1;
+ }
+
+ return this.strip();
+ };
+
+ // Subtract `num` from `this`
+ BN.prototype.sub = function sub (num) {
+ return this.clone().isub(num);
+ };
+
+ function smallMulTo (self, num, out) {
+ out.negative = num.negative ^ self.negative;
+ var len = (self.length + num.length) | 0;
+ out.length = len;
+ len = (len - 1) | 0;
+
+ // Peel one iteration (compiler can't do it, because of code complexity)
+ var a = self.words[0] | 0;
+ var b = num.words[0] | 0;
+ var r = a * b;
+
+ var lo = r & 0x3ffffff;
+ var carry = (r / 0x4000000) | 0;
+ out.words[0] = lo;
+
+ for (var k = 1; k < len; k++) {
+ // Sum all words with the same `i + j = k` and accumulate `ncarry`,
+ // note that ncarry could be >= 0x3ffffff
+ var ncarry = carry >>> 26;
+ var rword = carry & 0x3ffffff;
+ var maxJ = Math.min(k, num.length - 1);
+ for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) {
+ var i = (k - j) | 0;
+ a = self.words[i] | 0;
+ b = num.words[j] | 0;
+ r = a * b + rword;
+ ncarry += (r / 0x4000000) | 0;
+ rword = r & 0x3ffffff;
+ }
+ out.words[k] = rword | 0;
+ carry = ncarry | 0;
+ }
+ if (carry !== 0) {
+ out.words[k] = carry | 0;
+ } else {
+ out.length--;
+ }
+
+ return out.strip();
+ }
+
+ // TODO(indutny): it may be reasonable to omit it for users who don't need
+ // to work with 256-bit numbers, otherwise it gives 20% improvement for 256-bit
+ // multiplication (like elliptic secp256k1).
+ var comb10MulTo = function comb10MulTo (self, num, out) {
+ var a = self.words;
+ var b = num.words;
+ var o = out.words;
+ var c = 0;
+ var lo;
+ var mid;
+ var hi;
+ var a0 = a[0] | 0;
+ var al0 = a0 & 0x1fff;
+ var ah0 = a0 >>> 13;
+ var a1 = a[1] | 0;
+ var al1 = a1 & 0x1fff;
+ var ah1 = a1 >>> 13;
+ var a2 = a[2] | 0;
+ var al2 = a2 & 0x1fff;
+ var ah2 = a2 >>> 13;
+ var a3 = a[3] | 0;
+ var al3 = a3 & 0x1fff;
+ var ah3 = a3 >>> 13;
+ var a4 = a[4] | 0;
+ var al4 = a4 & 0x1fff;
+ var ah4 = a4 >>> 13;
+ var a5 = a[5] | 0;
+ var al5 = a5 & 0x1fff;
+ var ah5 = a5 >>> 13;
+ var a6 = a[6] | 0;
+ var al6 = a6 & 0x1fff;
+ var ah6 = a6 >>> 13;
+ var a7 = a[7] | 0;
+ var al7 = a7 & 0x1fff;
+ var ah7 = a7 >>> 13;
+ var a8 = a[8] | 0;
+ var al8 = a8 & 0x1fff;
+ var ah8 = a8 >>> 13;
+ var a9 = a[9] | 0;
+ var al9 = a9 & 0x1fff;
+ var ah9 = a9 >>> 13;
+ var b0 = b[0] | 0;
+ var bl0 = b0 & 0x1fff;
+ var bh0 = b0 >>> 13;
+ var b1 = b[1] | 0;
+ var bl1 = b1 & 0x1fff;
+ var bh1 = b1 >>> 13;
+ var b2 = b[2] | 0;
+ var bl2 = b2 & 0x1fff;
+ var bh2 = b2 >>> 13;
+ var b3 = b[3] | 0;
+ var bl3 = b3 & 0x1fff;
+ var bh3 = b3 >>> 13;
+ var b4 = b[4] | 0;
+ var bl4 = b4 & 0x1fff;
+ var bh4 = b4 >>> 13;
+ var b5 = b[5] | 0;
+ var bl5 = b5 & 0x1fff;
+ var bh5 = b5 >>> 13;
+ var b6 = b[6] | 0;
+ var bl6 = b6 & 0x1fff;
+ var bh6 = b6 >>> 13;
+ var b7 = b[7] | 0;
+ var bl7 = b7 & 0x1fff;
+ var bh7 = b7 >>> 13;
+ var b8 = b[8] | 0;
+ var bl8 = b8 & 0x1fff;
+ var bh8 = b8 >>> 13;
+ var b9 = b[9] | 0;
+ var bl9 = b9 & 0x1fff;
+ var bh9 = b9 >>> 13;
+
+ out.negative = self.negative ^ num.negative;
+ out.length = 19;
+ /* k = 0 */
+ lo = Math.imul(al0, bl0);
+ mid = Math.imul(al0, bh0);
+ mid = (mid + Math.imul(ah0, bl0)) | 0;
+ hi = Math.imul(ah0, bh0);
+ var w0 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+ c = (((hi + (mid >>> 13)) | 0) + (w0 >>> 26)) | 0;
+ w0 &= 0x3ffffff;
+ /* k = 1 */
+ lo = Math.imul(al1, bl0);
+ mid = Math.imul(al1, bh0);
+ mid = (mid + Math.imul(ah1, bl0)) | 0;
+ hi = Math.imul(ah1, bh0);
+ lo = (lo + Math.imul(al0, bl1)) | 0;
+ mid = (mid + Math.imul(al0, bh1)) | 0;
+ mid = (mid + Math.imul(ah0, bl1)) | 0;
+ hi = (hi + Math.imul(ah0, bh1)) | 0;
+ var w1 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+ c = (((hi + (mid >>> 13)) | 0) + (w1 >>> 26)) | 0;
+ w1 &= 0x3ffffff;
+ /* k = 2 */
+ lo = Math.imul(al2, bl0);
+ mid = Math.imul(al2, bh0);
+ mid = (mid + Math.imul(ah2, bl0)) | 0;
+ hi = Math.imul(ah2, bh0);
+ lo = (lo + Math.imul(al1, bl1)) | 0;
+ mid = (mid + Math.imul(al1, bh1)) | 0;
+ mid = (mid + Math.imul(ah1, bl1)) | 0;
+ hi = (hi + Math.imul(ah1, bh1)) | 0;
+ lo = (lo + Math.imul(al0, bl2)) | 0;
+ mid = (mid + Math.imul(al0, bh2)) | 0;
+ mid = (mid + Math.imul(ah0, bl2)) | 0;
+ hi = (hi + Math.imul(ah0, bh2)) | 0;
+ var w2 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+ c = (((hi + (mid >>> 13)) | 0) + (w2 >>> 26)) | 0;
+ w2 &= 0x3ffffff;
+ /* k = 3 */
+ lo = Math.imul(al3, bl0);
+ mid = Math.imul(al3, bh0);
+ mid = (mid + Math.imul(ah3, bl0)) | 0;
+ hi = Math.imul(ah3, bh0);
+ lo = (lo + Math.imul(al2, bl1)) | 0;
+ mid = (mid + Math.imul(al2, bh1)) | 0;
+ mid = (mid + Math.imul(ah2, bl1)) | 0;
+ hi = (hi + Math.imul(ah2, bh1)) | 0;
+ lo = (lo + Math.imul(al1, bl2)) | 0;
+ mid = (mid + Math.imul(al1, bh2)) | 0;
+ mid = (mid + Math.imul(ah1, bl2)) | 0;
+ hi = (hi + Math.imul(ah1, bh2)) | 0;
+ lo = (lo + Math.imul(al0, bl3)) | 0;
+ mid = (mid + Math.imul(al0, bh3)) | 0;
+ mid = (mid + Math.imul(ah0, bl3)) | 0;
+ hi = (hi + Math.imul(ah0, bh3)) | 0;
+ var w3 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+ c = (((hi + (mid >>> 13)) | 0) + (w3 >>> 26)) | 0;
+ w3 &= 0x3ffffff;
+ /* k = 4 */
+ lo = Math.imul(al4, bl0);
+ mid = Math.imul(al4, bh0);
+ mid = (mid + Math.imul(ah4, bl0)) | 0;
+ hi = Math.imul(ah4, bh0);
+ lo = (lo + Math.imul(al3, bl1)) | 0;
+ mid = (mid + Math.imul(al3, bh1)) | 0;
+ mid = (mid + Math.imul(ah3, bl1)) | 0;
+ hi = (hi + Math.imul(ah3, bh1)) | 0;
+ lo = (lo + Math.imul(al2, bl2)) | 0;
+ mid = (mid + Math.imul(al2, bh2)) | 0;
+ mid = (mid + Math.imul(ah2, bl2)) | 0;
+ hi = (hi + Math.imul(ah2, bh2)) | 0;
+ lo = (lo + Math.imul(al1, bl3)) | 0;
+ mid = (mid + Math.imul(al1, bh3)) | 0;
+ mid = (mid + Math.imul(ah1, bl3)) | 0;
+ hi = (hi + Math.imul(ah1, bh3)) | 0;
+ lo = (lo + Math.imul(al0, bl4)) | 0;
+ mid = (mid + Math.imul(al0, bh4)) | 0;
+ mid = (mid + Math.imul(ah0, bl4)) | 0;
+ hi = (hi + Math.imul(ah0, bh4)) | 0;
+ var w4 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+ c = (((hi + (mid >>> 13)) | 0) + (w4 >>> 26)) | 0;
+ w4 &= 0x3ffffff;
+ /* k = 5 */
+ lo = Math.imul(al5, bl0);
+ mid = Math.imul(al5, bh0);
+ mid = (mid + Math.imul(ah5, bl0)) | 0;
+ hi = Math.imul(ah5, bh0);
+ lo = (lo + Math.imul(al4, bl1)) | 0;
+ mid = (mid + Math.imul(al4, bh1)) | 0;
+ mid = (mid + Math.imul(ah4, bl1)) | 0;
+ hi = (hi + Math.imul(ah4, bh1)) | 0;
+ lo = (lo + Math.imul(al3, bl2)) | 0;
+ mid = (mid + Math.imul(al3, bh2)) | 0;
+ mid = (mid + Math.imul(ah3, bl2)) | 0;
+ hi = (hi + Math.imul(ah3, bh2)) | 0;
+ lo = (lo + Math.imul(al2, bl3)) | 0;
+ mid = (mid + Math.imul(al2, bh3)) | 0;
+ mid = (mid + Math.imul(ah2, bl3)) | 0;
+ hi = (hi + Math.imul(ah2, bh3)) | 0;
+ lo = (lo + Math.imul(al1, bl4)) | 0;
+ mid = (mid + Math.imul(al1, bh4)) | 0;
+ mid = (mid + Math.imul(ah1, bl4)) | 0;
+ hi = (hi + Math.imul(ah1, bh4)) | 0;
+ lo = (lo + Math.imul(al0, bl5)) | 0;
+ mid = (mid + Math.imul(al0, bh5)) | 0;
+ mid = (mid + Math.imul(ah0, bl5)) | 0;
+ hi = (hi + Math.imul(ah0, bh5)) | 0;
+ var w5 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+ c = (((hi + (mid >>> 13)) | 0) + (w5 >>> 26)) | 0;
+ w5 &= 0x3ffffff;
+ /* k = 6 */
+ lo = Math.imul(al6, bl0);
+ mid = Math.imul(al6, bh0);
+ mid = (mid + Math.imul(ah6, bl0)) | 0;
+ hi = Math.imul(ah6, bh0);
+ lo = (lo + Math.imul(al5, bl1)) | 0;
+ mid = (mid + Math.imul(al5, bh1)) | 0;
+ mid = (mid + Math.imul(ah5, bl1)) | 0;
+ hi = (hi + Math.imul(ah5, bh1)) | 0;
+ lo = (lo + Math.imul(al4, bl2)) | 0;
+ mid = (mid + Math.imul(al4, bh2)) | 0;
+ mid = (mid + Math.imul(ah4, bl2)) | 0;
+ hi = (hi + Math.imul(ah4, bh2)) | 0;
+ lo = (lo + Math.imul(al3, bl3)) | 0;
+ mid = (mid + Math.imul(al3, bh3)) | 0;
+ mid = (mid + Math.imul(ah3, bl3)) | 0;
+ hi = (hi + Math.imul(ah3, bh3)) | 0;
+ lo = (lo + Math.imul(al2, bl4)) | 0;
+ mid = (mid + Math.imul(al2, bh4)) | 0;
+ mid = (mid + Math.imul(ah2, bl4)) | 0;
+ hi = (hi + Math.imul(ah2, bh4)) | 0;
+ lo = (lo + Math.imul(al1, bl5)) | 0;
+ mid = (mid + Math.imul(al1, bh5)) | 0;
+ mid = (mid + Math.imul(ah1, bl5)) | 0;
+ hi = (hi + Math.imul(ah1, bh5)) | 0;
+ lo = (lo + Math.imul(al0, bl6)) | 0;
+ mid = (mid + Math.imul(al0, bh6)) | 0;
+ mid = (mid + Math.imul(ah0, bl6)) | 0;
+ hi = (hi + Math.imul(ah0, bh6)) | 0;
+ var w6 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+ c = (((hi + (mid >>> 13)) | 0) + (w6 >>> 26)) | 0;
+ w6 &= 0x3ffffff;
+ /* k = 7 */
+ lo = Math.imul(al7, bl0);
+ mid = Math.imul(al7, bh0);
+ mid = (mid + Math.imul(ah7, bl0)) | 0;
+ hi = Math.imul(ah7, bh0);
+ lo = (lo + Math.imul(al6, bl1)) | 0;
+ mid = (mid + Math.imul(al6, bh1)) | 0;
+ mid = (mid + Math.imul(ah6, bl1)) | 0;
+ hi = (hi + Math.imul(ah6, bh1)) | 0;
+ lo = (lo + Math.imul(al5, bl2)) | 0;
+ mid = (mid + Math.imul(al5, bh2)) | 0;
+ mid = (mid + Math.imul(ah5, bl2)) | 0;
+ hi = (hi + Math.imul(ah5, bh2)) | 0;
+ lo = (lo + Math.imul(al4, bl3)) | 0;
+ mid = (mid + Math.imul(al4, bh3)) | 0;
+ mid = (mid + Math.imul(ah4, bl3)) | 0;
+ hi = (hi + Math.imul(ah4, bh3)) | 0;
+ lo = (lo + Math.imul(al3, bl4)) | 0;
+ mid = (mid + Math.imul(al3, bh4)) | 0;
+ mid = (mid + Math.imul(ah3, bl4)) | 0;
+ hi = (hi + Math.imul(ah3, bh4)) | 0;
+ lo = (lo + Math.imul(al2, bl5)) | 0;
+ mid = (mid + Math.imul(al2, bh5)) | 0;
+ mid = (mid + Math.imul(ah2, bl5)) | 0;
+ hi = (hi + Math.imul(ah2, bh5)) | 0;
+ lo = (lo + Math.imul(al1, bl6)) | 0;
+ mid = (mid + Math.imul(al1, bh6)) | 0;
+ mid = (mid + Math.imul(ah1, bl6)) | 0;
+ hi = (hi + Math.imul(ah1, bh6)) | 0;
+ lo = (lo + Math.imul(al0, bl7)) | 0;
+ mid = (mid + Math.imul(al0, bh7)) | 0;
+ mid = (mid + Math.imul(ah0, bl7)) | 0;
+ hi = (hi + Math.imul(ah0, bh7)) | 0;
+ var w7 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+ c = (((hi + (mid >>> 13)) | 0) + (w7 >>> 26)) | 0;
+ w7 &= 0x3ffffff;
+ /* k = 8 */
+ lo = Math.imul(al8, bl0);
+ mid = Math.imul(al8, bh0);
+ mid = (mid + Math.imul(ah8, bl0)) | 0;
+ hi = Math.imul(ah8, bh0);
+ lo = (lo + Math.imul(al7, bl1)) | 0;
+ mid = (mid + Math.imul(al7, bh1)) | 0;
+ mid = (mid + Math.imul(ah7, bl1)) | 0;
+ hi = (hi + Math.imul(ah7, bh1)) | 0;
+ lo = (lo + Math.imul(al6, bl2)) | 0;
+ mid = (mid + Math.imul(al6, bh2)) | 0;
+ mid = (mid + Math.imul(ah6, bl2)) | 0;
+ hi = (hi + Math.imul(ah6, bh2)) | 0;
+ lo = (lo + Math.imul(al5, bl3)) | 0;
+ mid = (mid + Math.imul(al5, bh3)) | 0;
+ mid = (mid + Math.imul(ah5, bl3)) | 0;
+ hi = (hi + Math.imul(ah5, bh3)) | 0;
+ lo = (lo + Math.imul(al4, bl4)) | 0;
+ mid = (mid + Math.imul(al4, bh4)) | 0;
+ mid = (mid + Math.imul(ah4, bl4)) | 0;
+ hi = (hi + Math.imul(ah4, bh4)) | 0;
+ lo = (lo + Math.imul(al3, bl5)) | 0;
+ mid = (mid + Math.imul(al3, bh5)) | 0;
+ mid = (mid + Math.imul(ah3, bl5)) | 0;
+ hi = (hi + Math.imul(ah3, bh5)) | 0;
+ lo = (lo + Math.imul(al2, bl6)) | 0;
+ mid = (mid + Math.imul(al2, bh6)) | 0;
+ mid = (mid + Math.imul(ah2, bl6)) | 0;
+ hi = (hi + Math.imul(ah2, bh6)) | 0;
+ lo = (lo + Math.imul(al1, bl7)) | 0;
+ mid = (mid + Math.imul(al1, bh7)) | 0;
+ mid = (mid + Math.imul(ah1, bl7)) | 0;
+ hi = (hi + Math.imul(ah1, bh7)) | 0;
+ lo = (lo + Math.imul(al0, bl8)) | 0;
+ mid = (mid + Math.imul(al0, bh8)) | 0;
+ mid = (mid + Math.imul(ah0, bl8)) | 0;
+ hi = (hi + Math.imul(ah0, bh8)) | 0;
+ var w8 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+ c = (((hi + (mid >>> 13)) | 0) + (w8 >>> 26)) | 0;
+ w8 &= 0x3ffffff;
+ /* k = 9 */
+ lo = Math.imul(al9, bl0);
+ mid = Math.imul(al9, bh0);
+ mid = (mid + Math.imul(ah9, bl0)) | 0;
+ hi = Math.imul(ah9, bh0);
+ lo = (lo + Math.imul(al8, bl1)) | 0;
+ mid = (mid + Math.imul(al8, bh1)) | 0;
+ mid = (mid + Math.imul(ah8, bl1)) | 0;
+ hi = (hi + Math.imul(ah8, bh1)) | 0;
+ lo = (lo + Math.imul(al7, bl2)) | 0;
+ mid = (mid + Math.imul(al7, bh2)) | 0;
+ mid = (mid + Math.imul(ah7, bl2)) | 0;
+ hi = (hi + Math.imul(ah7, bh2)) | 0;
+ lo = (lo + Math.imul(al6, bl3)) | 0;
+ mid = (mid + Math.imul(al6, bh3)) | 0;
+ mid = (mid + Math.imul(ah6, bl3)) | 0;
+ hi = (hi + Math.imul(ah6, bh3)) | 0;
+ lo = (lo + Math.imul(al5, bl4)) | 0;
+ mid = (mid + Math.imul(al5, bh4)) | 0;
+ mid = (mid + Math.imul(ah5, bl4)) | 0;
+ hi = (hi + Math.imul(ah5, bh4)) | 0;
+ lo = (lo + Math.imul(al4, bl5)) | 0;
+ mid = (mid + Math.imul(al4, bh5)) | 0;
+ mid = (mid + Math.imul(ah4, bl5)) | 0;
+ hi = (hi + Math.imul(ah4, bh5)) | 0;
+ lo = (lo + Math.imul(al3, bl6)) | 0;
+ mid = (mid + Math.imul(al3, bh6)) | 0;
+ mid = (mid + Math.imul(ah3, bl6)) | 0;
+ hi = (hi + Math.imul(ah3, bh6)) | 0;
+ lo = (lo + Math.imul(al2, bl7)) | 0;
+ mid = (mid + Math.imul(al2, bh7)) | 0;
+ mid = (mid + Math.imul(ah2, bl7)) | 0;
+ hi = (hi + Math.imul(ah2, bh7)) | 0;
+ lo = (lo + Math.imul(al1, bl8)) | 0;
+ mid = (mid + Math.imul(al1, bh8)) | 0;
+ mid = (mid + Math.imul(ah1, bl8)) | 0;
+ hi = (hi + Math.imul(ah1, bh8)) | 0;
+ lo = (lo + Math.imul(al0, bl9)) | 0;
+ mid = (mid + Math.imul(al0, bh9)) | 0;
+ mid = (mid + Math.imul(ah0, bl9)) | 0;
+ hi = (hi + Math.imul(ah0, bh9)) | 0;
+ var w9 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+ c = (((hi + (mid >>> 13)) | 0) + (w9 >>> 26)) | 0;
+ w9 &= 0x3ffffff;
+ /* k = 10 */
+ lo = Math.imul(al9, bl1);
+ mid = Math.imul(al9, bh1);
+ mid = (mid + Math.imul(ah9, bl1)) | 0;
+ hi = Math.imul(ah9, bh1);
+ lo = (lo + Math.imul(al8, bl2)) | 0;
+ mid = (mid + Math.imul(al8, bh2)) | 0;
+ mid = (mid + Math.imul(ah8, bl2)) | 0;
+ hi = (hi + Math.imul(ah8, bh2)) | 0;
+ lo = (lo + Math.imul(al7, bl3)) | 0;
+ mid = (mid + Math.imul(al7, bh3)) | 0;
+ mid = (mid + Math.imul(ah7, bl3)) | 0;
+ hi = (hi + Math.imul(ah7, bh3)) | 0;
+ lo = (lo + Math.imul(al6, bl4)) | 0;
+ mid = (mid + Math.imul(al6, bh4)) | 0;
+ mid = (mid + Math.imul(ah6, bl4)) | 0;
+ hi = (hi + Math.imul(ah6, bh4)) | 0;
+ lo = (lo + Math.imul(al5, bl5)) | 0;
+ mid = (mid + Math.imul(al5, bh5)) | 0;
+ mid = (mid + Math.imul(ah5, bl5)) | 0;
+ hi = (hi + Math.imul(ah5, bh5)) | 0;
+ lo = (lo + Math.imul(al4, bl6)) | 0;
+ mid = (mid + Math.imul(al4, bh6)) | 0;
+ mid = (mid + Math.imul(ah4, bl6)) | 0;
+ hi = (hi + Math.imul(ah4, bh6)) | 0;
+ lo = (lo + Math.imul(al3, bl7)) | 0;
+ mid = (mid + Math.imul(al3, bh7)) | 0;
+ mid = (mid + Math.imul(ah3, bl7)) | 0;
+ hi = (hi + Math.imul(ah3, bh7)) | 0;
+ lo = (lo + Math.imul(al2, bl8)) | 0;
+ mid = (mid + Math.imul(al2, bh8)) | 0;
+ mid = (mid + Math.imul(ah2, bl8)) | 0;
+ hi = (hi + Math.imul(ah2, bh8)) | 0;
+ lo = (lo + Math.imul(al1, bl9)) | 0;
+ mid = (mid + Math.imul(al1, bh9)) | 0;
+ mid = (mid + Math.imul(ah1, bl9)) | 0;
+ hi = (hi + Math.imul(ah1, bh9)) | 0;
+ var w10 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+ c = (((hi + (mid >>> 13)) | 0) + (w10 >>> 26)) | 0;
+ w10 &= 0x3ffffff;
+ /* k = 11 */
+ lo = Math.imul(al9, bl2);
+ mid = Math.imul(al9, bh2);
+ mid = (mid + Math.imul(ah9, bl2)) | 0;
+ hi = Math.imul(ah9, bh2);
+ lo = (lo + Math.imul(al8, bl3)) | 0;
+ mid = (mid + Math.imul(al8, bh3)) | 0;
+ mid = (mid + Math.imul(ah8, bl3)) | 0;
+ hi = (hi + Math.imul(ah8, bh3)) | 0;
+ lo = (lo + Math.imul(al7, bl4)) | 0;
+ mid = (mid + Math.imul(al7, bh4)) | 0;
+ mid = (mid + Math.imul(ah7, bl4)) | 0;
+ hi = (hi + Math.imul(ah7, bh4)) | 0;
+ lo = (lo + Math.imul(al6, bl5)) | 0;
+ mid = (mid + Math.imul(al6, bh5)) | 0;
+ mid = (mid + Math.imul(ah6, bl5)) | 0;
+ hi = (hi + Math.imul(ah6, bh5)) | 0;
+ lo = (lo + Math.imul(al5, bl6)) | 0;
+ mid = (mid + Math.imul(al5, bh6)) | 0;
+ mid = (mid + Math.imul(ah5, bl6)) | 0;
+ hi = (hi + Math.imul(ah5, bh6)) | 0;
+ lo = (lo + Math.imul(al4, bl7)) | 0;
+ mid = (mid + Math.imul(al4, bh7)) | 0;
+ mid = (mid + Math.imul(ah4, bl7)) | 0;
+ hi = (hi + Math.imul(ah4, bh7)) | 0;
+ lo = (lo + Math.imul(al3, bl8)) | 0;
+ mid = (mid + Math.imul(al3, bh8)) | 0;
+ mid = (mid + Math.imul(ah3, bl8)) | 0;
+ hi = (hi + Math.imul(ah3, bh8)) | 0;
+ lo = (lo + Math.imul(al2, bl9)) | 0;
+ mid = (mid + Math.imul(al2, bh9)) | 0;
+ mid = (mid + Math.imul(ah2, bl9)) | 0;
+ hi = (hi + Math.imul(ah2, bh9)) | 0;
+ var w11 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+ c = (((hi + (mid >>> 13)) | 0) + (w11 >>> 26)) | 0;
+ w11 &= 0x3ffffff;
+ /* k = 12 */
+ lo = Math.imul(al9, bl3);
+ mid = Math.imul(al9, bh3);
+ mid = (mid + Math.imul(ah9, bl3)) | 0;
+ hi = Math.imul(ah9, bh3);
+ lo = (lo + Math.imul(al8, bl4)) | 0;
+ mid = (mid + Math.imul(al8, bh4)) | 0;
+ mid = (mid + Math.imul(ah8, bl4)) | 0;
+ hi = (hi + Math.imul(ah8, bh4)) | 0;
+ lo = (lo + Math.imul(al7, bl5)) | 0;
+ mid = (mid + Math.imul(al7, bh5)) | 0;
+ mid = (mid + Math.imul(ah7, bl5)) | 0;
+ hi = (hi + Math.imul(ah7, bh5)) | 0;
+ lo = (lo + Math.imul(al6, bl6)) | 0;
+ mid = (mid + Math.imul(al6, bh6)) | 0;
+ mid = (mid + Math.imul(ah6, bl6)) | 0;
+ hi = (hi + Math.imul(ah6, bh6)) | 0;
+ lo = (lo + Math.imul(al5, bl7)) | 0;
+ mid = (mid + Math.imul(al5, bh7)) | 0;
+ mid = (mid + Math.imul(ah5, bl7)) | 0;
+ hi = (hi + Math.imul(ah5, bh7)) | 0;
+ lo = (lo + Math.imul(al4, bl8)) | 0;
+ mid = (mid + Math.imul(al4, bh8)) | 0;
+ mid = (mid + Math.imul(ah4, bl8)) | 0;
+ hi = (hi + Math.imul(ah4, bh8)) | 0;
+ lo = (lo + Math.imul(al3, bl9)) | 0;
+ mid = (mid + Math.imul(al3, bh9)) | 0;
+ mid = (mid + Math.imul(ah3, bl9)) | 0;
+ hi = (hi + Math.imul(ah3, bh9)) | 0;
+ var w12 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+ c = (((hi + (mid >>> 13)) | 0) + (w12 >>> 26)) | 0;
+ w12 &= 0x3ffffff;
+ /* k = 13 */
+ lo = Math.imul(al9, bl4);
+ mid = Math.imul(al9, bh4);
+ mid = (mid + Math.imul(ah9, bl4)) | 0;
+ hi = Math.imul(ah9, bh4);
+ lo = (lo + Math.imul(al8, bl5)) | 0;
+ mid = (mid + Math.imul(al8, bh5)) | 0;
+ mid = (mid + Math.imul(ah8, bl5)) | 0;
+ hi = (hi + Math.imul(ah8, bh5)) | 0;
+ lo = (lo + Math.imul(al7, bl6)) | 0;
+ mid = (mid + Math.imul(al7, bh6)) | 0;
+ mid = (mid + Math.imul(ah7, bl6)) | 0;
+ hi = (hi + Math.imul(ah7, bh6)) | 0;
+ lo = (lo + Math.imul(al6, bl7)) | 0;
+ mid = (mid + Math.imul(al6, bh7)) | 0;
+ mid = (mid + Math.imul(ah6, bl7)) | 0;
+ hi = (hi + Math.imul(ah6, bh7)) | 0;
+ lo = (lo + Math.imul(al5, bl8)) | 0;
+ mid = (mid + Math.imul(al5, bh8)) | 0;
+ mid = (mid + Math.imul(ah5, bl8)) | 0;
+ hi = (hi + Math.imul(ah5, bh8)) | 0;
+ lo = (lo + Math.imul(al4, bl9)) | 0;
+ mid = (mid + Math.imul(al4, bh9)) | 0;
+ mid = (mid + Math.imul(ah4, bl9)) | 0;
+ hi = (hi + Math.imul(ah4, bh9)) | 0;
+ var w13 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+ c = (((hi + (mid >>> 13)) | 0) + (w13 >>> 26)) | 0;
+ w13 &= 0x3ffffff;
+ /* k = 14 */
+ lo = Math.imul(al9, bl5);
+ mid = Math.imul(al9, bh5);
+ mid = (mid + Math.imul(ah9, bl5)) | 0;
+ hi = Math.imul(ah9, bh5);
+ lo = (lo + Math.imul(al8, bl6)) | 0;
+ mid = (mid + Math.imul(al8, bh6)) | 0;
+ mid = (mid + Math.imul(ah8, bl6)) | 0;
+ hi = (hi + Math.imul(ah8, bh6)) | 0;
+ lo = (lo + Math.imul(al7, bl7)) | 0;
+ mid = (mid + Math.imul(al7, bh7)) | 0;
+ mid = (mid + Math.imul(ah7, bl7)) | 0;
+ hi = (hi + Math.imul(ah7, bh7)) | 0;
+ lo = (lo + Math.imul(al6, bl8)) | 0;
+ mid = (mid + Math.imul(al6, bh8)) | 0;
+ mid = (mid + Math.imul(ah6, bl8)) | 0;
+ hi = (hi + Math.imul(ah6, bh8)) | 0;
+ lo = (lo + Math.imul(al5, bl9)) | 0;
+ mid = (mid + Math.imul(al5, bh9)) | 0;
+ mid = (mid + Math.imul(ah5, bl9)) | 0;
+ hi = (hi + Math.imul(ah5, bh9)) | 0;
+ var w14 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+ c = (((hi + (mid >>> 13)) | 0) + (w14 >>> 26)) | 0;
+ w14 &= 0x3ffffff;
+ /* k = 15 */
+ lo = Math.imul(al9, bl6);
+ mid = Math.imul(al9, bh6);
+ mid = (mid + Math.imul(ah9, bl6)) | 0;
+ hi = Math.imul(ah9, bh6);
+ lo = (lo + Math.imul(al8, bl7)) | 0;
+ mid = (mid + Math.imul(al8, bh7)) | 0;
+ mid = (mid + Math.imul(ah8, bl7)) | 0;
+ hi = (hi + Math.imul(ah8, bh7)) | 0;
+ lo = (lo + Math.imul(al7, bl8)) | 0;
+ mid = (mid + Math.imul(al7, bh8)) | 0;
+ mid = (mid + Math.imul(ah7, bl8)) | 0;
+ hi = (hi + Math.imul(ah7, bh8)) | 0;
+ lo = (lo + Math.imul(al6, bl9)) | 0;
+ mid = (mid + Math.imul(al6, bh9)) | 0;
+ mid = (mid + Math.imul(ah6, bl9)) | 0;
+ hi = (hi + Math.imul(ah6, bh9)) | 0;
+ var w15 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+ c = (((hi + (mid >>> 13)) | 0) + (w15 >>> 26)) | 0;
+ w15 &= 0x3ffffff;
+ /* k = 16 */
+ lo = Math.imul(al9, bl7);
+ mid = Math.imul(al9, bh7);
+ mid = (mid + Math.imul(ah9, bl7)) | 0;
+ hi = Math.imul(ah9, bh7);
+ lo = (lo + Math.imul(al8, bl8)) | 0;
+ mid = (mid + Math.imul(al8, bh8)) | 0;
+ mid = (mid + Math.imul(ah8, bl8)) | 0;
+ hi = (hi + Math.imul(ah8, bh8)) | 0;
+ lo = (lo + Math.imul(al7, bl9)) | 0;
+ mid = (mid + Math.imul(al7, bh9)) | 0;
+ mid = (mid + Math.imul(ah7, bl9)) | 0;
+ hi = (hi + Math.imul(ah7, bh9)) | 0;
+ var w16 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+ c = (((hi + (mid >>> 13)) | 0) + (w16 >>> 26)) | 0;
+ w16 &= 0x3ffffff;
+ /* k = 17 */
+ lo = Math.imul(al9, bl8);
+ mid = Math.imul(al9, bh8);
+ mid = (mid + Math.imul(ah9, bl8)) | 0;
+ hi = Math.imul(ah9, bh8);
+ lo = (lo + Math.imul(al8, bl9)) | 0;
+ mid = (mid + Math.imul(al8, bh9)) | 0;
+ mid = (mid + Math.imul(ah8, bl9)) | 0;
+ hi = (hi + Math.imul(ah8, bh9)) | 0;
+ var w17 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+ c = (((hi + (mid >>> 13)) | 0) + (w17 >>> 26)) | 0;
+ w17 &= 0x3ffffff;
+ /* k = 18 */
+ lo = Math.imul(al9, bl9);
+ mid = Math.imul(al9, bh9);
+ mid = (mid + Math.imul(ah9, bl9)) | 0;
+ hi = Math.imul(ah9, bh9);
+ var w18 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+ c = (((hi + (mid >>> 13)) | 0) + (w18 >>> 26)) | 0;
+ w18 &= 0x3ffffff;
+ o[0] = w0;
+ o[1] = w1;
+ o[2] = w2;
+ o[3] = w3;
+ o[4] = w4;
+ o[5] = w5;
+ o[6] = w6;
+ o[7] = w7;
+ o[8] = w8;
+ o[9] = w9;
+ o[10] = w10;
+ o[11] = w11;
+ o[12] = w12;
+ o[13] = w13;
+ o[14] = w14;
+ o[15] = w15;
+ o[16] = w16;
+ o[17] = w17;
+ o[18] = w18;
+ if (c !== 0) {
+ o[19] = c;
+ out.length++;
+ }
+ return out;
+ };
+
+ // Polyfill comb
+ if (!Math.imul) {
+ comb10MulTo = smallMulTo;
+ }
+
+ function bigMulTo (self, num, out) {
+ out.negative = num.negative ^ self.negative;
+ out.length = self.length + num.length;
+
+ var carry = 0;
+ var hncarry = 0;
+ for (var k = 0; k < out.length - 1; k++) {
+ // Sum all words with the same `i + j = k` and accumulate `ncarry`,
+ // note that ncarry could be >= 0x3ffffff
+ var ncarry = hncarry;
+ hncarry = 0;
+ var rword = carry & 0x3ffffff;
+ var maxJ = Math.min(k, num.length - 1);
+ for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) {
+ var i = k - j;
+ var a = self.words[i] | 0;
+ var b = num.words[j] | 0;
+ var r = a * b;
+
+ var lo = r & 0x3ffffff;
+ ncarry = (ncarry + ((r / 0x4000000) | 0)) | 0;
+ lo = (lo + rword) | 0;
+ rword = lo & 0x3ffffff;
+ ncarry = (ncarry + (lo >>> 26)) | 0;
+
+ hncarry += ncarry >>> 26;
+ ncarry &= 0x3ffffff;
+ }
+ out.words[k] = rword;
+ carry = ncarry;
+ ncarry = hncarry;
+ }
+ if (carry !== 0) {
+ out.words[k] = carry;
+ } else {
+ out.length--;
+ }
+
+ return out.strip();
+ }
+
+ function jumboMulTo (self, num, out) {
+ var fftm = new FFTM();
+ return fftm.mulp(self, num, out);
+ }
+
+ BN.prototype.mulTo = function mulTo (num, out) {
+ var res;
+ var len = this.length + num.length;
+ if (this.length === 10 && num.length === 10) {
+ res = comb10MulTo(this, num, out);
+ } else if (len < 63) {
+ res = smallMulTo(this, num, out);
+ } else if (len < 1024) {
+ res = bigMulTo(this, num, out);
+ } else {
+ res = jumboMulTo(this, num, out);
+ }
+
+ return res;
+ };
+
+ // Cooley-Tukey algorithm for FFT
+ // slightly revisited to rely on looping instead of recursion
+
+ function FFTM (x, y) {
+ this.x = x;
+ this.y = y;
+ }
+
+ FFTM.prototype.makeRBT = function makeRBT (N) {
+ var t = new Array(N);
+ var l = BN.prototype._countBits(N) - 1;
+ for (var i = 0; i < N; i++) {
+ t[i] = this.revBin(i, l, N);
+ }
+
+ return t;
+ };
+
+ // Returns binary-reversed representation of `x`
+ FFTM.prototype.revBin = function revBin (x, l, N) {
+ if (x === 0 || x === N - 1) return x;
+
+ var rb = 0;
+ for (var i = 0; i < l; i++) {
+ rb |= (x & 1) << (l - i - 1);
+ x >>= 1;
+ }
+
+ return rb;
+ };
+
+ // Performs "tweedling" phase, therefore 'emulating'
+ // behaviour of the recursive algorithm
+ FFTM.prototype.permute = function permute (rbt, rws, iws, rtws, itws, N) {
+ for (var i = 0; i < N; i++) {
+ rtws[i] = rws[rbt[i]];
+ itws[i] = iws[rbt[i]];
+ }
+ };
+
+ FFTM.prototype.transform = function transform (rws, iws, rtws, itws, N, rbt) {
+ this.permute(rbt, rws, iws, rtws, itws, N);
+
+ for (var s = 1; s < N; s <<= 1) {
+ var l = s << 1;
+
+ var rtwdf = Math.cos(2 * Math.PI / l);
+ var itwdf = Math.sin(2 * Math.PI / l);
+
+ for (var p = 0; p < N; p += l) {
+ var rtwdf_ = rtwdf;
+ var itwdf_ = itwdf;
+
+ for (var j = 0; j < s; j++) {
+ var re = rtws[p + j];
+ var ie = itws[p + j];
+
+ var ro = rtws[p + j + s];
+ var io = itws[p + j + s];
+
+ var rx = rtwdf_ * ro - itwdf_ * io;
+
+ io = rtwdf_ * io + itwdf_ * ro;
+ ro = rx;
+
+ rtws[p + j] = re + ro;
+ itws[p + j] = ie + io;
+
+ rtws[p + j + s] = re - ro;
+ itws[p + j + s] = ie - io;
+
+ /* jshint maxdepth : false */
+ if (j !== l) {
+ rx = rtwdf * rtwdf_ - itwdf * itwdf_;
+
+ itwdf_ = rtwdf * itwdf_ + itwdf * rtwdf_;
+ rtwdf_ = rx;
+ }
+ }
+ }
+ }
+ };
+
+ FFTM.prototype.guessLen13b = function guessLen13b (n, m) {
+ var N = Math.max(m, n) | 1;
+ var odd = N & 1;
+ var i = 0;
+ for (N = N / 2 | 0; N; N = N >>> 1) {
+ i++;
+ }
+
+ return 1 << i + 1 + odd;
+ };
+
+ FFTM.prototype.conjugate = function conjugate (rws, iws, N) {
+ if (N <= 1) return;
+
+ for (var i = 0; i < N / 2; i++) {
+ var t = rws[i];
+
+ rws[i] = rws[N - i - 1];
+ rws[N - i - 1] = t;
+
+ t = iws[i];
+
+ iws[i] = -iws[N - i - 1];
+ iws[N - i - 1] = -t;
+ }
+ };
+
+ FFTM.prototype.normalize13b = function normalize13b (ws, N) {
+ var carry = 0;
+ for (var i = 0; i < N / 2; i++) {
+ var w = Math.round(ws[2 * i + 1] / N) * 0x2000 +
+ Math.round(ws[2 * i] / N) +
+ carry;
+
+ ws[i] = w & 0x3ffffff;
+
+ if (w < 0x4000000) {
+ carry = 0;
+ } else {
+ carry = w / 0x4000000 | 0;
+ }
+ }
+
+ return ws;
+ };
+
+ FFTM.prototype.convert13b = function convert13b (ws, len, rws, N) {
+ var carry = 0;
+ for (var i = 0; i < len; i++) {
+ carry = carry + (ws[i] | 0);
+
+ rws[2 * i] = carry & 0x1fff; carry = carry >>> 13;
+ rws[2 * i + 1] = carry & 0x1fff; carry = carry >>> 13;
+ }
+
+ // Pad with zeroes
+ for (i = 2 * len; i < N; ++i) {
+ rws[i] = 0;
+ }
+
+ assert(carry === 0);
+ assert((carry & ~0x1fff) === 0);
+ };
+
+ FFTM.prototype.stub = function stub (N) {
+ var ph = new Array(N);
+ for (var i = 0; i < N; i++) {
+ ph[i] = 0;
+ }
+
+ return ph;
+ };
+
+ FFTM.prototype.mulp = function mulp (x, y, out) {
+ var N = 2 * this.guessLen13b(x.length, y.length);
+
+ var rbt = this.makeRBT(N);
+
+ var _ = this.stub(N);
+
+ var rws = new Array(N);
+ var rwst = new Array(N);
+ var iwst = new Array(N);
+
+ var nrws = new Array(N);
+ var nrwst = new Array(N);
+ var niwst = new Array(N);
+
+ var rmws = out.words;
+ rmws.length = N;
+
+ this.convert13b(x.words, x.length, rws, N);
+ this.convert13b(y.words, y.length, nrws, N);
+
+ this.transform(rws, _, rwst, iwst, N, rbt);
+ this.transform(nrws, _, nrwst, niwst, N, rbt);
+
+ for (var i = 0; i < N; i++) {
+ var rx = rwst[i] * nrwst[i] - iwst[i] * niwst[i];
+ iwst[i] = rwst[i] * niwst[i] + iwst[i] * nrwst[i];
+ rwst[i] = rx;
+ }
+
+ this.conjugate(rwst, iwst, N);
+ this.transform(rwst, iwst, rmws, _, N, rbt);
+ this.conjugate(rmws, _, N);
+ this.normalize13b(rmws, N);
+
+ out.negative = x.negative ^ y.negative;
+ out.length = x.length + y.length;
+ return out.strip();
+ };
+
+ // Multiply `this` by `num`
+ BN.prototype.mul = function mul (num) {
+ var out = new BN(null);
+ out.words = new Array(this.length + num.length);
+ return this.mulTo(num, out);
+ };
+
+ // Multiply employing FFT
+ BN.prototype.mulf = function mulf (num) {
+ var out = new BN(null);
+ out.words = new Array(this.length + num.length);
+ return jumboMulTo(this, num, out);
+ };
+
+ // In-place Multiplication
+ BN.prototype.imul = function imul (num) {
+ return this.clone().mulTo(num, this);
+ };
+
+ BN.prototype.imuln = function imuln (num) {
+ assert(typeof num === 'number');
+ assert(num < 0x4000000);
+
+ // Carry
+ var carry = 0;
+ for (var i = 0; i < this.length; i++) {
+ var w = (this.words[i] | 0) * num;
+ var lo = (w & 0x3ffffff) + (carry & 0x3ffffff);
+ carry >>= 26;
+ carry += (w / 0x4000000) | 0;
+ // NOTE: lo is 27bit maximum
+ carry += lo >>> 26;
+ this.words[i] = lo & 0x3ffffff;
+ }
+
+ if (carry !== 0) {
+ this.words[i] = carry;
+ this.length++;
+ }
+
+ return this;
+ };
+
+ BN.prototype.muln = function muln (num) {
+ return this.clone().imuln(num);
+ };
+
+ // `this` * `this`
+ BN.prototype.sqr = function sqr () {
+ return this.mul(this);
+ };
+
+ // `this` * `this` in-place
+ BN.prototype.isqr = function isqr () {
+ return this.imul(this.clone());
+ };
+
+ // Math.pow(`this`, `num`)
+ BN.prototype.pow = function pow (num) {
+ var w = toBitArray(num);
+ if (w.length === 0) return new BN(1);
+
+ // Skip leading zeroes
+ var res = this;
+ for (var i = 0; i < w.length; i++, res = res.sqr()) {
+ if (w[i] !== 0) break;
+ }
+
+ if (++i < w.length) {
+ for (var q = res.sqr(); i < w.length; i++, q = q.sqr()) {
+ if (w[i] === 0) continue;
+
+ res = res.mul(q);
+ }
+ }
+
+ return res;
+ };
+
+ // Shift-left in-place
+ BN.prototype.iushln = function iushln (bits) {
+ assert(typeof bits === 'number' && bits >= 0);
+ var r = bits % 26;
+ var s = (bits - r) / 26;
+ var carryMask = (0x3ffffff >>> (26 - r)) << (26 - r);
+ var i;
+
+ if (r !== 0) {
+ var carry = 0;
+
+ for (i = 0; i < this.length; i++) {
+ var newCarry = this.words[i] & carryMask;
+ var c = ((this.words[i] | 0) - newCarry) << r;
+ this.words[i] = c | carry;
+ carry = newCarry >>> (26 - r);
+ }
+
+ if (carry) {
+ this.words[i] = carry;
+ this.length++;
+ }
+ }
+
+ if (s !== 0) {
+ for (i = this.length - 1; i >= 0; i--) {
+ this.words[i + s] = this.words[i];
+ }
+
+ for (i = 0; i < s; i++) {
+ this.words[i] = 0;
+ }
+
+ this.length += s;
+ }
+
+ return this.strip();
+ };
+
+ BN.prototype.ishln = function ishln (bits) {
+ // TODO(indutny): implement me
+ assert(this.negative === 0);
+ return this.iushln(bits);
+ };
+
+ // Shift-right in-place
+ // NOTE: `hint` is a lowest bit before trailing zeroes
+ // NOTE: if `extended` is present - it will be filled with destroyed bits
+ BN.prototype.iushrn = function iushrn (bits, hint, extended) {
+ assert(typeof bits === 'number' && bits >= 0);
+ var h;
+ if (hint) {
+ h = (hint - (hint % 26)) / 26;
+ } else {
+ h = 0;
+ }
+
+ var r = bits % 26;
+ var s = Math.min((bits - r) / 26, this.length);
+ var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
+ var maskedWords = extended;
+
+ h -= s;
+ h = Math.max(0, h);
+
+ // Extended mode, copy masked part
+ if (maskedWords) {
+ for (var i = 0; i < s; i++) {
+ maskedWords.words[i] = this.words[i];
+ }
+ maskedWords.length = s;
+ }
+
+ if (s === 0) {
+ // No-op, we should not move anything at all
+ } else if (this.length > s) {
+ this.length -= s;
+ for (i = 0; i < this.length; i++) {
+ this.words[i] = this.words[i + s];
+ }
+ } else {
+ this.words[0] = 0;
+ this.length = 1;
+ }
+
+ var carry = 0;
+ for (i = this.length - 1; i >= 0 && (carry !== 0 || i >= h); i--) {
+ var word = this.words[i] | 0;
+ this.words[i] = (carry << (26 - r)) | (word >>> r);
+ carry = word & mask;
+ }
+
+ // Push carried bits as a mask
+ if (maskedWords && carry !== 0) {
+ maskedWords.words[maskedWords.length++] = carry;
+ }
+
+ if (this.length === 0) {
+ this.words[0] = 0;
+ this.length = 1;
+ }
+
+ return this.strip();
+ };
+
+ BN.prototype.ishrn = function ishrn (bits, hint, extended) {
+ // TODO(indutny): implement me
+ assert(this.negative === 0);
+ return this.iushrn(bits, hint, extended);
+ };
+
+ // Shift-left
+ BN.prototype.shln = function shln (bits) {
+ return this.clone().ishln(bits);
+ };
+
+ BN.prototype.ushln = function ushln (bits) {
+ return this.clone().iushln(bits);
+ };
+
+ // Shift-right
+ BN.prototype.shrn = function shrn (bits) {
+ return this.clone().ishrn(bits);
+ };
+
+ BN.prototype.ushrn = function ushrn (bits) {
+ return this.clone().iushrn(bits);
+ };
+
+ // Test if n bit is set
+ BN.prototype.testn = function testn (bit) {
+ assert(typeof bit === 'number' && bit >= 0);
+ var r = bit % 26;
+ var s = (bit - r) / 26;
+ var q = 1 << r;
+
+ // Fast case: bit is much higher than all existing words
+ if (this.length <= s) return false;
+
+ // Check bit and return
+ var w = this.words[s];
+
+ return !!(w & q);
+ };
+
+ // Return only lowers bits of number (in-place)
+ BN.prototype.imaskn = function imaskn (bits) {
+ assert(typeof bits === 'number' && bits >= 0);
+ var r = bits % 26;
+ var s = (bits - r) / 26;
+
+ assert(this.negative === 0, 'imaskn works only with positive numbers');
+
+ if (this.length <= s) {
+ return this;
+ }
+
+ if (r !== 0) {
+ s++;
+ }
+ this.length = Math.min(s, this.length);
+
+ if (r !== 0) {
+ var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
+ this.words[this.length - 1] &= mask;
+ }
+
+ return this.strip();
+ };
+
+ // Return only lowers bits of number
+ BN.prototype.maskn = function maskn (bits) {
+ return this.clone().imaskn(bits);
+ };
+
+ // Add plain number `num` to `this`
+ BN.prototype.iaddn = function iaddn (num) {
+ assert(typeof num === 'number');
+ assert(num < 0x4000000);
+ if (num < 0) return this.isubn(-num);
+
+ // Possible sign change
+ if (this.negative !== 0) {
+ if (this.length === 1 && (this.words[0] | 0) < num) {
+ this.words[0] = num - (this.words[0] | 0);
+ this.negative = 0;
+ return this;
+ }
+
+ this.negative = 0;
+ this.isubn(num);
+ this.negative = 1;
+ return this;
+ }
+
+ // Add without checks
+ return this._iaddn(num);
+ };
+
+ BN.prototype._iaddn = function _iaddn (num) {
+ this.words[0] += num;
+
+ // Carry
+ for (var i = 0; i < this.length && this.words[i] >= 0x4000000; i++) {
+ this.words[i] -= 0x4000000;
+ if (i === this.length - 1) {
+ this.words[i + 1] = 1;
+ } else {
+ this.words[i + 1]++;
+ }
+ }
+ this.length = Math.max(this.length, i + 1);
+
+ return this;
+ };
+
+ // Subtract plain number `num` from `this`
+ BN.prototype.isubn = function isubn (num) {
+ assert(typeof num === 'number');
+ assert(num < 0x4000000);
+ if (num < 0) return this.iaddn(-num);
+
+ if (this.negative !== 0) {
+ this.negative = 0;
+ this.iaddn(num);
+ this.negative = 1;
+ return this;
+ }
+
+ this.words[0] -= num;
+
+ if (this.length === 1 && this.words[0] < 0) {
+ this.words[0] = -this.words[0];
+ this.negative = 1;
+ } else {
+ // Carry
+ for (var i = 0; i < this.length && this.words[i] < 0; i++) {
+ this.words[i] += 0x4000000;
+ this.words[i + 1] -= 1;
+ }
+ }
+
+ return this.strip();
+ };
+
+ BN.prototype.addn = function addn (num) {
+ return this.clone().iaddn(num);
+ };
+
+ BN.prototype.subn = function subn (num) {
+ return this.clone().isubn(num);
+ };
+
+ BN.prototype.iabs = function iabs () {
+ this.negative = 0;
+
+ return this;
+ };
+
+ BN.prototype.abs = function abs () {
+ return this.clone().iabs();
+ };
+
+ BN.prototype._ishlnsubmul = function _ishlnsubmul (num, mul, shift) {
+ var len = num.length + shift;
+ var i;
+
+ this._expand(len);
+
+ var w;
+ var carry = 0;
+ for (i = 0; i < num.length; i++) {
+ w = (this.words[i + shift] | 0) + carry;
+ var right = (num.words[i] | 0) * mul;
+ w -= right & 0x3ffffff;
+ carry = (w >> 26) - ((right / 0x4000000) | 0);
+ this.words[i + shift] = w & 0x3ffffff;
+ }
+ for (; i < this.length - shift; i++) {
+ w = (this.words[i + shift] | 0) + carry;
+ carry = w >> 26;
+ this.words[i + shift] = w & 0x3ffffff;
+ }
+
+ if (carry === 0) return this.strip();
+
+ // Subtraction overflow
+ assert(carry === -1);
+ carry = 0;
+ for (i = 0; i < this.length; i++) {
+ w = -(this.words[i] | 0) + carry;
+ carry = w >> 26;
+ this.words[i] = w & 0x3ffffff;
+ }
+ this.negative = 1;
+
+ return this.strip();
+ };
+
+ BN.prototype._wordDiv = function _wordDiv (num, mode) {
+ var shift = this.length - num.length;
+
+ var a = this.clone();
+ var b = num;
+
+ // Normalize
+ var bhi = b.words[b.length - 1] | 0;
+ var bhiBits = this._countBits(bhi);
+ shift = 26 - bhiBits;
+ if (shift !== 0) {
+ b = b.ushln(shift);
+ a.iushln(shift);
+ bhi = b.words[b.length - 1] | 0;
+ }
+
+ // Initialize quotient
+ var m = a.length - b.length;
+ var q;
+
+ if (mode !== 'mod') {
+ q = new BN(null);
+ q.length = m + 1;
+ q.words = new Array(q.length);
+ for (var i = 0; i < q.length; i++) {
+ q.words[i] = 0;
+ }
+ }
+
+ var diff = a.clone()._ishlnsubmul(b, 1, m);
+ if (diff.negative === 0) {
+ a = diff;
+ if (q) {
+ q.words[m] = 1;
+ }
+ }
+
+ for (var j = m - 1; j >= 0; j--) {
+ var qj = (a.words[b.length + j] | 0) * 0x4000000 +
+ (a.words[b.length + j - 1] | 0);
+
+ // NOTE: (qj / bhi) is (0x3ffffff * 0x4000000 + 0x3ffffff) / 0x2000000 max
+ // (0x7ffffff)
+ qj = Math.min((qj / bhi) | 0, 0x3ffffff);
+
+ a._ishlnsubmul(b, qj, j);
+ while (a.negative !== 0) {
+ qj--;
+ a.negative = 0;
+ a._ishlnsubmul(b, 1, j);
+ if (!a.isZero()) {
+ a.negative ^= 1;
+ }
+ }
+ if (q) {
+ q.words[j] = qj;
+ }
+ }
+ if (q) {
+ q.strip();
+ }
+ a.strip();
+
+ // Denormalize
+ if (mode !== 'div' && shift !== 0) {
+ a.iushrn(shift);
+ }
+
+ return {
+ div: q || null,
+ mod: a
+ };
+ };
+
+ // NOTE: 1) `mode` can be set to `mod` to request mod only,
+ // to `div` to request div only, or be absent to
+ // request both div & mod
+ // 2) `positive` is true if unsigned mod is requested
+ BN.prototype.divmod = function divmod (num, mode, positive) {
+ assert(!num.isZero());
+
+ if (this.isZero()) {
+ return {
+ div: new BN(0),
+ mod: new BN(0)
+ };
+ }
+
+ var div, mod, res;
+ if (this.negative !== 0 && num.negative === 0) {
+ res = this.neg().divmod(num, mode);
+
+ if (mode !== 'mod') {
+ div = res.div.neg();
+ }
+
+ if (mode !== 'div') {
+ mod = res.mod.neg();
+ if (positive && mod.negative !== 0) {
+ mod.iadd(num);
+ }
+ }
+
+ return {
+ div: div,
+ mod: mod
+ };
+ }
+
+ if (this.negative === 0 && num.negative !== 0) {
+ res = this.divmod(num.neg(), mode);
+
+ if (mode !== 'mod') {
+ div = res.div.neg();
+ }
+
+ return {
+ div: div,
+ mod: res.mod
+ };
+ }
+
+ if ((this.negative & num.negative) !== 0) {
+ res = this.neg().divmod(num.neg(), mode);
+
+ if (mode !== 'div') {
+ mod = res.mod.neg();
+ if (positive && mod.negative !== 0) {
+ mod.isub(num);
+ }
+ }
+
+ return {
+ div: res.div,
+ mod: mod
+ };
+ }
+
+ // Both numbers are positive at this point
+
+ // Strip both numbers to approximate shift value
+ if (num.length > this.length || this.cmp(num) < 0) {
+ return {
+ div: new BN(0),
+ mod: this
+ };
+ }
+
+ // Very short reduction
+ if (num.length === 1) {
+ if (mode === 'div') {
+ return {
+ div: this.divn(num.words[0]),
+ mod: null
+ };
+ }
+
+ if (mode === 'mod') {
+ return {
+ div: null,
+ mod: new BN(this.modn(num.words[0]))
+ };
+ }
+
+ return {
+ div: this.divn(num.words[0]),
+ mod: new BN(this.modn(num.words[0]))
+ };
+ }
+
+ return this._wordDiv(num, mode);
+ };
+
+ // Find `this` / `num`
+ BN.prototype.div = function div (num) {
+ return this.divmod(num, 'div', false).div;
+ };
+
+ // Find `this` % `num`
+ BN.prototype.mod = function mod (num) {
+ return this.divmod(num, 'mod', false).mod;
+ };
+
+ BN.prototype.umod = function umod (num) {
+ return this.divmod(num, 'mod', true).mod;
+ };
+
+ // Find Round(`this` / `num`)
+ BN.prototype.divRound = function divRound (num) {
+ var dm = this.divmod(num);
+
+ // Fast case - exact division
+ if (dm.mod.isZero()) return dm.div;
+
+ var mod = dm.div.negative !== 0 ? dm.mod.isub(num) : dm.mod;
+
+ var half = num.ushrn(1);
+ var r2 = num.andln(1);
+ var cmp = mod.cmp(half);
+
+ // Round down
+ if (cmp < 0 || r2 === 1 && cmp === 0) return dm.div;
+
+ // Round up
+ return dm.div.negative !== 0 ? dm.div.isubn(1) : dm.div.iaddn(1);
+ };
+
+ BN.prototype.modn = function modn (num) {
+ assert(num <= 0x3ffffff);
+ var p = (1 << 26) % num;
+
+ var acc = 0;
+ for (var i = this.length - 1; i >= 0; i--) {
+ acc = (p * acc + (this.words[i] | 0)) % num;
+ }
+
+ return acc;
+ };
+
+ // In-place division by number
+ BN.prototype.idivn = function idivn (num) {
+ assert(num <= 0x3ffffff);
+
+ var carry = 0;
+ for (var i = this.length - 1; i >= 0; i--) {
+ var w = (this.words[i] | 0) + carry * 0x4000000;
+ this.words[i] = (w / num) | 0;
+ carry = w % num;
+ }
+
+ return this.strip();
+ };
+
+ BN.prototype.divn = function divn (num) {
+ return this.clone().idivn(num);
+ };
+
+ BN.prototype.egcd = function egcd (p) {
+ assert(p.negative === 0);
+ assert(!p.isZero());
+
+ var x = this;
+ var y = p.clone();
+
+ if (x.negative !== 0) {
+ x = x.umod(p);
+ } else {
+ x = x.clone();
+ }
+
+ // A * x + B * y = x
+ var A = new BN(1);
+ var B = new BN(0);
+
+ // C * x + D * y = y
+ var C = new BN(0);
+ var D = new BN(1);
+
+ var g = 0;
+
+ while (x.isEven() && y.isEven()) {
+ x.iushrn(1);
+ y.iushrn(1);
+ ++g;
+ }
+
+ var yp = y.clone();
+ var xp = x.clone();
+
+ while (!x.isZero()) {
+ for (var i = 0, im = 1; (x.words[0] & im) === 0 && i < 26; ++i, im <<= 1);
+ if (i > 0) {
+ x.iushrn(i);
+ while (i-- > 0) {
+ if (A.isOdd() || B.isOdd()) {
+ A.iadd(yp);
+ B.isub(xp);
+ }
+
+ A.iushrn(1);
+ B.iushrn(1);
+ }
+ }
+
+ for (var j = 0, jm = 1; (y.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1);
+ if (j > 0) {
+ y.iushrn(j);
+ while (j-- > 0) {
+ if (C.isOdd() || D.isOdd()) {
+ C.iadd(yp);
+ D.isub(xp);
+ }
+
+ C.iushrn(1);
+ D.iushrn(1);
+ }
+ }
+
+ if (x.cmp(y) >= 0) {
+ x.isub(y);
+ A.isub(C);
+ B.isub(D);
+ } else {
+ y.isub(x);
+ C.isub(A);
+ D.isub(B);
+ }
+ }
+
+ return {
+ a: C,
+ b: D,
+ gcd: y.iushln(g)
+ };
+ };
+
+ // This is reduced incarnation of the binary EEA
+ // above, designated to invert members of the
+ // _prime_ fields F(p) at a maximal speed
+ BN.prototype._invmp = function _invmp (p) {
+ assert(p.negative === 0);
+ assert(!p.isZero());
+
+ var a = this;
+ var b = p.clone();
+
+ if (a.negative !== 0) {
+ a = a.umod(p);
+ } else {
+ a = a.clone();
+ }
+
+ var x1 = new BN(1);
+ var x2 = new BN(0);
+
+ var delta = b.clone();
+
+ while (a.cmpn(1) > 0 && b.cmpn(1) > 0) {
+ for (var i = 0, im = 1; (a.words[0] & im) === 0 && i < 26; ++i, im <<= 1);
+ if (i > 0) {
+ a.iushrn(i);
+ while (i-- > 0) {
+ if (x1.isOdd()) {
+ x1.iadd(delta);
+ }
+
+ x1.iushrn(1);
+ }
+ }
+
+ for (var j = 0, jm = 1; (b.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1);
+ if (j > 0) {
+ b.iushrn(j);
+ while (j-- > 0) {
+ if (x2.isOdd()) {
+ x2.iadd(delta);
+ }
+
+ x2.iushrn(1);
+ }
+ }
+
+ if (a.cmp(b) >= 0) {
+ a.isub(b);
+ x1.isub(x2);
+ } else {
+ b.isub(a);
+ x2.isub(x1);
+ }
+ }
+
+ var res;
+ if (a.cmpn(1) === 0) {
+ res = x1;
+ } else {
+ res = x2;
+ }
+
+ if (res.cmpn(0) < 0) {
+ res.iadd(p);
+ }
+
+ return res;
+ };
+
+ BN.prototype.gcd = function gcd (num) {
+ if (this.isZero()) return num.abs();
+ if (num.isZero()) return this.abs();
+
+ var a = this.clone();
+ var b = num.clone();
+ a.negative = 0;
+ b.negative = 0;
+
+ // Remove common factor of two
+ for (var shift = 0; a.isEven() && b.isEven(); shift++) {
+ a.iushrn(1);
+ b.iushrn(1);
+ }
+
+ do {
+ while (a.isEven()) {
+ a.iushrn(1);
+ }
+ while (b.isEven()) {
+ b.iushrn(1);
+ }
+
+ var r = a.cmp(b);
+ if (r < 0) {
+ // Swap `a` and `b` to make `a` always bigger than `b`
+ var t = a;
+ a = b;
+ b = t;
+ } else if (r === 0 || b.cmpn(1) === 0) {
+ break;
+ }
+
+ a.isub(b);
+ } while (true);
+
+ return b.iushln(shift);
+ };
+
+ // Invert number in the field F(num)
+ BN.prototype.invm = function invm (num) {
+ return this.egcd(num).a.umod(num);
+ };
+
+ BN.prototype.isEven = function isEven () {
+ return (this.words[0] & 1) === 0;
+ };
+
+ BN.prototype.isOdd = function isOdd () {
+ return (this.words[0] & 1) === 1;
+ };
+
+ // And first word and num
+ BN.prototype.andln = function andln (num) {
+ return this.words[0] & num;
+ };
+
+ // Increment at the bit position in-line
+ BN.prototype.bincn = function bincn (bit) {
+ assert(typeof bit === 'number');
+ var r = bit % 26;
+ var s = (bit - r) / 26;
+ var q = 1 << r;
+
+ // Fast case: bit is much higher than all existing words
+ if (this.length <= s) {
+ this._expand(s + 1);
+ this.words[s] |= q;
+ return this;
+ }
+
+ // Add bit and propagate, if needed
+ var carry = q;
+ for (var i = s; carry !== 0 && i < this.length; i++) {
+ var w = this.words[i] | 0;
+ w += carry;
+ carry = w >>> 26;
+ w &= 0x3ffffff;
+ this.words[i] = w;
+ }
+ if (carry !== 0) {
+ this.words[i] = carry;
+ this.length++;
+ }
+ return this;
+ };
+
+ BN.prototype.isZero = function isZero () {
+ return this.length === 1 && this.words[0] === 0;
+ };
+
+ BN.prototype.cmpn = function cmpn (num) {
+ var negative = num < 0;
+
+ if (this.negative !== 0 && !negative) return -1;
+ if (this.negative === 0 && negative) return 1;
+
+ this.strip();
+
+ var res;
+ if (this.length > 1) {
+ res = 1;
+ } else {
+ if (negative) {
+ num = -num;
+ }
+
+ assert(num <= 0x3ffffff, 'Number is too big');
+
+ var w = this.words[0] | 0;
+ res = w === num ? 0 : w < num ? -1 : 1;
+ }
+ if (this.negative !== 0) return -res | 0;
+ return res;
+ };
+
+ // Compare two numbers and return:
+ // 1 - if `this` > `num`
+ // 0 - if `this` == `num`
+ // -1 - if `this` < `num`
+ BN.prototype.cmp = function cmp (num) {
+ if (this.negative !== 0 && num.negative === 0) return -1;
+ if (this.negative === 0 && num.negative !== 0) return 1;
+
+ var res = this.ucmp(num);
+ if (this.negative !== 0) return -res | 0;
+ return res;
+ };
+
+ // Unsigned comparison
+ BN.prototype.ucmp = function ucmp (num) {
+ // At this point both numbers have the same sign
+ if (this.length > num.length) return 1;
+ if (this.length < num.length) return -1;
+
+ var res = 0;
+ for (var i = this.length - 1; i >= 0; i--) {
+ var a = this.words[i] | 0;
+ var b = num.words[i] | 0;
+
+ if (a === b) continue;
+ if (a < b) {
+ res = -1;
+ } else if (a > b) {
+ res = 1;
+ }
+ break;
+ }
+ return res;
+ };
+
+ BN.prototype.gtn = function gtn (num) {
+ return this.cmpn(num) === 1;
+ };
+
+ BN.prototype.gt = function gt (num) {
+ return this.cmp(num) === 1;
+ };
+
+ BN.prototype.gten = function gten (num) {
+ return this.cmpn(num) >= 0;
+ };
+
+ BN.prototype.gte = function gte (num) {
+ return this.cmp(num) >= 0;
+ };
+
+ BN.prototype.ltn = function ltn (num) {
+ return this.cmpn(num) === -1;
+ };
+
+ BN.prototype.lt = function lt (num) {
+ return this.cmp(num) === -1;
+ };
+
+ BN.prototype.lten = function lten (num) {
+ return this.cmpn(num) <= 0;
+ };
+
+ BN.prototype.lte = function lte (num) {
+ return this.cmp(num) <= 0;
+ };
+
+ BN.prototype.eqn = function eqn (num) {
+ return this.cmpn(num) === 0;
+ };
+
+ BN.prototype.eq = function eq (num) {
+ return this.cmp(num) === 0;
+ };
+
+ //
+ // A reduce context, could be using montgomery or something better, depending
+ // on the `m` itself.
+ //
+ BN.red = function red (num) {
+ return new Red(num);
+ };
+
+ BN.prototype.toRed = function toRed (ctx) {
+ assert(!this.red, 'Already a number in reduction context');
+ assert(this.negative === 0, 'red works only with positives');
+ return ctx.convertTo(this)._forceRed(ctx);
+ };
+
+ BN.prototype.fromRed = function fromRed () {
+ assert(this.red, 'fromRed works only with numbers in reduction context');
+ return this.red.convertFrom(this);
+ };
+
+ BN.prototype._forceRed = function _forceRed (ctx) {
+ this.red = ctx;
+ return this;
+ };
+
+ BN.prototype.forceRed = function forceRed (ctx) {
+ assert(!this.red, 'Already a number in reduction context');
+ return this._forceRed(ctx);
+ };
+
+ BN.prototype.redAdd = function redAdd (num) {
+ assert(this.red, 'redAdd works only with red numbers');
+ return this.red.add(this, num);
+ };
+
+ BN.prototype.redIAdd = function redIAdd (num) {
+ assert(this.red, 'redIAdd works only with red numbers');
+ return this.red.iadd(this, num);
+ };
+
+ BN.prototype.redSub = function redSub (num) {
+ assert(this.red, 'redSub works only with red numbers');
+ return this.red.sub(this, num);
+ };
+
+ BN.prototype.redISub = function redISub (num) {
+ assert(this.red, 'redISub works only with red numbers');
+ return this.red.isub(this, num);
+ };
+
+ BN.prototype.redShl = function redShl (num) {
+ assert(this.red, 'redShl works only with red numbers');
+ return this.red.shl(this, num);
+ };
+
+ BN.prototype.redMul = function redMul (num) {
+ assert(this.red, 'redMul works only with red numbers');
+ this.red._verify2(this, num);
+ return this.red.mul(this, num);
+ };
+
+ BN.prototype.redIMul = function redIMul (num) {
+ assert(this.red, 'redMul works only with red numbers');
+ this.red._verify2(this, num);
+ return this.red.imul(this, num);
+ };
+
+ BN.prototype.redSqr = function redSqr () {
+ assert(this.red, 'redSqr works only with red numbers');
+ this.red._verify1(this);
+ return this.red.sqr(this);
+ };
+
+ BN.prototype.redISqr = function redISqr () {
+ assert(this.red, 'redISqr works only with red numbers');
+ this.red._verify1(this);
+ return this.red.isqr(this);
+ };
+
+ // Square root over p
+ BN.prototype.redSqrt = function redSqrt () {
+ assert(this.red, 'redSqrt works only with red numbers');
+ this.red._verify1(this);
+ return this.red.sqrt(this);
+ };
+
+ BN.prototype.redInvm = function redInvm () {
+ assert(this.red, 'redInvm works only with red numbers');
+ this.red._verify1(this);
+ return this.red.invm(this);
+ };
+
+ // Return negative clone of `this` % `red modulo`
+ BN.prototype.redNeg = function redNeg () {
+ assert(this.red, 'redNeg works only with red numbers');
+ this.red._verify1(this);
+ return this.red.neg(this);
+ };
+
+ BN.prototype.redPow = function redPow (num) {
+ assert(this.red && !num.red, 'redPow(normalNum)');
+ this.red._verify1(this);
+ return this.red.pow(this, num);
+ };
+
+ // Prime numbers with efficient reduction
+ var primes = {
+ k256: null,
+ p224: null,
+ p192: null,
+ p25519: null
+ };
+
+ // Pseudo-Mersenne prime
+ function MPrime (name, p) {
+ // P = 2 ^ N - K
+ this.name = name;
+ this.p = new BN(p, 16);
+ this.n = this.p.bitLength();
+ this.k = new BN(1).iushln(this.n).isub(this.p);
+
+ this.tmp = this._tmp();
+ }
+
+ MPrime.prototype._tmp = function _tmp () {
+ var tmp = new BN(null);
+ tmp.words = new Array(Math.ceil(this.n / 13));
+ return tmp;
+ };
+
+ MPrime.prototype.ireduce = function ireduce (num) {
+ // Assumes that `num` is less than `P^2`
+ // num = HI * (2 ^ N - K) + HI * K + LO = HI * K + LO (mod P)
+ var r = num;
+ var rlen;
+
+ do {
+ this.split(r, this.tmp);
+ r = this.imulK(r);
+ r = r.iadd(this.tmp);
+ rlen = r.bitLength();
+ } while (rlen > this.n);
+
+ var cmp = rlen < this.n ? -1 : r.ucmp(this.p);
+ if (cmp === 0) {
+ r.words[0] = 0;
+ r.length = 1;
+ } else if (cmp > 0) {
+ r.isub(this.p);
+ } else {
+ r.strip();
+ }
+
+ return r;
+ };
+
+ MPrime.prototype.split = function split (input, out) {
+ input.iushrn(this.n, 0, out);
+ };
+
+ MPrime.prototype.imulK = function imulK (num) {
+ return num.imul(this.k);
+ };
+
+ function K256 () {
+ MPrime.call(
+ this,
+ 'k256',
+ 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f');
+ }
+ inherits(K256, MPrime);
+
+ K256.prototype.split = function split (input, output) {
+ // 256 = 9 * 26 + 22
+ var mask = 0x3fffff;
+
+ var outLen = Math.min(input.length, 9);
+ for (var i = 0; i < outLen; i++) {
+ output.words[i] = input.words[i];
+ }
+ output.length = outLen;
+
+ if (input.length <= 9) {
+ input.words[0] = 0;
+ input.length = 1;
+ return;
+ }
+
+ // Shift by 9 limbs
+ var prev = input.words[9];
+ output.words[output.length++] = prev & mask;
+
+ for (i = 10; i < input.length; i++) {
+ var next = input.words[i] | 0;
+ input.words[i - 10] = ((next & mask) << 4) | (prev >>> 22);
+ prev = next;
+ }
+ prev >>>= 22;
+ input.words[i - 10] = prev;
+ if (prev === 0 && input.length > 10) {
+ input.length -= 10;
+ } else {
+ input.length -= 9;
+ }
+ };
+
+ K256.prototype.imulK = function imulK (num) {
+ // K = 0x1000003d1 = [ 0x40, 0x3d1 ]
+ num.words[num.length] = 0;
+ num.words[num.length + 1] = 0;
+ num.length += 2;
+
+ // bounded at: 0x40 * 0x3ffffff + 0x3d0 = 0x100000390
+ var lo = 0;
+ for (var i = 0; i < num.length; i++) {
+ var w = num.words[i] | 0;
+ lo += w * 0x3d1;
+ num.words[i] = lo & 0x3ffffff;
+ lo = w * 0x40 + ((lo / 0x4000000) | 0);
+ }
+
+ // Fast length reduction
+ if (num.words[num.length - 1] === 0) {
+ num.length--;
+ if (num.words[num.length - 1] === 0) {
+ num.length--;
+ }
+ }
+ return num;
+ };
+
+ function P224 () {
+ MPrime.call(
+ this,
+ 'p224',
+ 'ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001');
+ }
+ inherits(P224, MPrime);
+
+ function P192 () {
+ MPrime.call(
+ this,
+ 'p192',
+ 'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff');
+ }
+ inherits(P192, MPrime);
+
+ function P25519 () {
+ // 2 ^ 255 - 19
+ MPrime.call(
+ this,
+ '25519',
+ '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed');
+ }
+ inherits(P25519, MPrime);
+
+ P25519.prototype.imulK = function imulK (num) {
+ // K = 0x13
+ var carry = 0;
+ for (var i = 0; i < num.length; i++) {
+ var hi = (num.words[i] | 0) * 0x13 + carry;
+ var lo = hi & 0x3ffffff;
+ hi >>>= 26;
+
+ num.words[i] = lo;
+ carry = hi;
+ }
+ if (carry !== 0) {
+ num.words[num.length++] = carry;
+ }
+ return num;
+ };
+
+ // Exported mostly for testing purposes, use plain name instead
+ BN._prime = function prime (name) {
+ // Cached version of prime
+ if (primes[name]) return primes[name];
+
+ var prime;
+ if (name === 'k256') {
+ prime = new K256();
+ } else if (name === 'p224') {
+ prime = new P224();
+ } else if (name === 'p192') {
+ prime = new P192();
+ } else if (name === 'p25519') {
+ prime = new P25519();
+ } else {
+ throw new Error('Unknown prime ' + name);
+ }
+ primes[name] = prime;
+
+ return prime;
+ };
+
+ //
+ // Base reduction engine
+ //
+ function Red (m) {
+ if (typeof m === 'string') {
+ var prime = BN._prime(m);
+ this.m = prime.p;
+ this.prime = prime;
+ } else {
+ assert(m.gtn(1), 'modulus must be greater than 1');
+ this.m = m;
+ this.prime = null;
+ }
+ }
+
+ Red.prototype._verify1 = function _verify1 (a) {
+ assert(a.negative === 0, 'red works only with positives');
+ assert(a.red, 'red works only with red numbers');
+ };
+
+ Red.prototype._verify2 = function _verify2 (a, b) {
+ assert((a.negative | b.negative) === 0, 'red works only with positives');
+ assert(a.red && a.red === b.red,
+ 'red works only with red numbers');
+ };
+
+ Red.prototype.imod = function imod (a) {
+ if (this.prime) return this.prime.ireduce(a)._forceRed(this);
+ return a.umod(this.m)._forceRed(this);
+ };
+
+ Red.prototype.neg = function neg (a) {
+ if (a.isZero()) {
+ return a.clone();
+ }
+
+ return this.m.sub(a)._forceRed(this);
+ };
+
+ Red.prototype.add = function add (a, b) {
+ this._verify2(a, b);
+
+ var res = a.add(b);
+ if (res.cmp(this.m) >= 0) {
+ res.isub(this.m);
+ }
+ return res._forceRed(this);
+ };
+
+ Red.prototype.iadd = function iadd (a, b) {
+ this._verify2(a, b);
+
+ var res = a.iadd(b);
+ if (res.cmp(this.m) >= 0) {
+ res.isub(this.m);
+ }
+ return res;
+ };
+
+ Red.prototype.sub = function sub (a, b) {
+ this._verify2(a, b);
+
+ var res = a.sub(b);
+ if (res.cmpn(0) < 0) {
+ res.iadd(this.m);
+ }
+ return res._forceRed(this);
+ };
+
+ Red.prototype.isub = function isub (a, b) {
+ this._verify2(a, b);
+
+ var res = a.isub(b);
+ if (res.cmpn(0) < 0) {
+ res.iadd(this.m);
+ }
+ return res;
+ };
+
+ Red.prototype.shl = function shl (a, num) {
+ this._verify1(a);
+ return this.imod(a.ushln(num));
+ };
+
+ Red.prototype.imul = function imul (a, b) {
+ this._verify2(a, b);
+ return this.imod(a.imul(b));
+ };
+
+ Red.prototype.mul = function mul (a, b) {
+ this._verify2(a, b);
+ return this.imod(a.mul(b));
+ };
+
+ Red.prototype.isqr = function isqr (a) {
+ return this.imul(a, a.clone());
+ };
+
+ Red.prototype.sqr = function sqr (a) {
+ return this.mul(a, a);
+ };
+
+ Red.prototype.sqrt = function sqrt (a) {
+ if (a.isZero()) return a.clone();
+
+ var mod3 = this.m.andln(3);
+ assert(mod3 % 2 === 1);
+
+ // Fast case
+ if (mod3 === 3) {
+ var pow = this.m.add(new BN(1)).iushrn(2);
+ return this.pow(a, pow);
+ }
+
+ // Tonelli-Shanks algorithm (Totally unoptimized and slow)
+ //
+ // Find Q and S, that Q * 2 ^ S = (P - 1)
+ var q = this.m.subn(1);
+ var s = 0;
+ while (!q.isZero() && q.andln(1) === 0) {
+ s++;
+ q.iushrn(1);
+ }
+ assert(!q.isZero());
+
+ var one = new BN(1).toRed(this);
+ var nOne = one.redNeg();
+
+ // Find quadratic non-residue
+ // NOTE: Max is such because of generalized Riemann hypothesis.
+ var lpow = this.m.subn(1).iushrn(1);
+ var z = this.m.bitLength();
+ z = new BN(2 * z * z).toRed(this);
+
+ while (this.pow(z, lpow).cmp(nOne) !== 0) {
+ z.redIAdd(nOne);
+ }
+
+ var c = this.pow(z, q);
+ var r = this.pow(a, q.addn(1).iushrn(1));
+ var t = this.pow(a, q);
+ var m = s;
+ while (t.cmp(one) !== 0) {
+ var tmp = t;
+ for (var i = 0; tmp.cmp(one) !== 0; i++) {
+ tmp = tmp.redSqr();
+ }
+ assert(i < m);
+ var b = this.pow(c, new BN(1).iushln(m - i - 1));
+
+ r = r.redMul(b);
+ c = b.redSqr();
+ t = t.redMul(c);
+ m = i;
+ }
+
+ return r;
+ };
+
+ Red.prototype.invm = function invm (a) {
+ var inv = a._invmp(this.m);
+ if (inv.negative !== 0) {
+ inv.negative = 0;
+ return this.imod(inv).redNeg();
+ } else {
+ return this.imod(inv);
+ }
+ };
+
+ Red.prototype.pow = function pow (a, num) {
+ if (num.isZero()) return new BN(1);
+ if (num.cmpn(1) === 0) return a.clone();
+
+ var windowSize = 4;
+ var wnd = new Array(1 << windowSize);
+ wnd[0] = new BN(1).toRed(this);
+ wnd[1] = a;
+ for (var i = 2; i < wnd.length; i++) {
+ wnd[i] = this.mul(wnd[i - 1], a);
+ }
+
+ var res = wnd[0];
+ var current = 0;
+ var currentLen = 0;
+ var start = num.bitLength() % 26;
+ if (start === 0) {
+ start = 26;
+ }
+
+ for (i = num.length - 1; i >= 0; i--) {
+ var word = num.words[i];
+ for (var j = start - 1; j >= 0; j--) {
+ var bit = (word >> j) & 1;
+ if (res !== wnd[0]) {
+ res = this.sqr(res);
+ }
+
+ if (bit === 0 && current === 0) {
+ currentLen = 0;
+ continue;
+ }
+
+ current <<= 1;
+ current |= bit;
+ currentLen++;
+ if (currentLen !== windowSize && (i !== 0 || j !== 0)) continue;
+
+ res = this.mul(res, wnd[current]);
+ currentLen = 0;
+ current = 0;
+ }
+ start = 26;
+ }
+
+ return res;
+ };
+
+ Red.prototype.convertTo = function convertTo (num) {
+ var r = num.umod(this.m);
+
+ return r === num ? r.clone() : r;
+ };
+
+ Red.prototype.convertFrom = function convertFrom (num) {
+ var res = num.clone();
+ res.red = null;
+ return res;
+ };
+
+ //
+ // Montgomery method engine
+ //
+
+ BN.mont = function mont (num) {
+ return new Mont(num);
+ };
+
+ function Mont (m) {
+ Red.call(this, m);
+
+ this.shift = this.m.bitLength();
+ if (this.shift % 26 !== 0) {
+ this.shift += 26 - (this.shift % 26);
+ }
+
+ this.r = new BN(1).iushln(this.shift);
+ this.r2 = this.imod(this.r.sqr());
+ this.rinv = this.r._invmp(this.m);
+
+ this.minv = this.rinv.mul(this.r).isubn(1).div(this.m);
+ this.minv = this.minv.umod(this.r);
+ this.minv = this.r.sub(this.minv);
+ }
+ inherits(Mont, Red);
+
+ Mont.prototype.convertTo = function convertTo (num) {
+ return this.imod(num.ushln(this.shift));
+ };
+
+ Mont.prototype.convertFrom = function convertFrom (num) {
+ var r = this.imod(num.mul(this.rinv));
+ r.red = null;
+ return r;
+ };
+
+ Mont.prototype.imul = function imul (a, b) {
+ if (a.isZero() || b.isZero()) {
+ a.words[0] = 0;
+ a.length = 1;
+ return a;
+ }
+
+ var t = a.imul(b);
+ var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
+ var u = t.isub(c).iushrn(this.shift);
+ var res = u;
+
+ if (u.cmp(this.m) >= 0) {
+ res = u.isub(this.m);
+ } else if (u.cmpn(0) < 0) {
+ res = u.iadd(this.m);
+ }
+
+ return res._forceRed(this);
+ };
+
+ Mont.prototype.mul = function mul (a, b) {
+ if (a.isZero() || b.isZero()) return new BN(0)._forceRed(this);
+
+ var t = a.mul(b);
+ var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
+ var u = t.isub(c).iushrn(this.shift);
+ var res = u;
+ if (u.cmp(this.m) >= 0) {
+ res = u.isub(this.m);
+ } else if (u.cmpn(0) < 0) {
+ res = u.iadd(this.m);
+ }
+
+ return res._forceRed(this);
+ };
+
+ Mont.prototype.invm = function invm (a) {
+ // (AR)^-1 * R^2 = (A^-1 * R^-1) * R^2 = A^-1 * R
+ var res = this.imod(a._invmp(this.m).mul(this.r2));
+ return res._forceRed(this);
+ };
+})(typeof module === 'undefined' || module, this);
+
+},{}],82:[function(require,module,exports){
+var r;
+
+module.exports = function rand(len) {
+ if (!r)
+ r = new Rand(null);
+
+ return r.generate(len);
+};
+
+function Rand(rand) {
+ this.rand = rand;
+}
+module.exports.Rand = Rand;
+
+Rand.prototype.generate = function generate(len) {
+ return this._rand(len);
+};
+
+// Emulate crypto API using randy
+Rand.prototype._rand = function _rand(n) {
+ if (this.rand.getBytes)
+ return this.rand.getBytes(n);
+
+ var res = new Uint8Array(n);
+ for (var i = 0; i < res.length; i++)
+ res[i] = this.rand.getByte();
+ return res;
+};
+
+if (typeof self === 'object') {
+ if (self.crypto && self.crypto.getRandomValues) {
+ // Modern browsers
+ Rand.prototype._rand = function _rand(n) {
+ var arr = new Uint8Array(n);
+ self.crypto.getRandomValues(arr);
+ return arr;
+ };
+ } else if (self.msCrypto && self.msCrypto.getRandomValues) {
+ // IE
+ Rand.prototype._rand = function _rand(n) {
+ var arr = new Uint8Array(n);
+ self.msCrypto.getRandomValues(arr);
+ return arr;
+ };
+
+ // Safari's WebWorkers do not have `crypto`
+ } else if (typeof window === 'object') {
+ // Old junk
+ Rand.prototype._rand = function() {
+ throw new Error('Not implemented yet');
+ };
+ }
+} else {
+ // Node.js or Web worker with no crypto support
+ try {
+ var crypto = require('crypto');
+ if (typeof crypto.randomBytes !== 'function')
+ throw new Error('Not supported');
+
+ Rand.prototype._rand = function _rand(n) {
+ return crypto.randomBytes(n);
+ };
+ } catch (e) {
+ }
+}
+
+},{"crypto":3}],83:[function(require,module,exports){
+var basex = require('base-x')
+var ALPHABET = '123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz'
+
+module.exports = basex(ALPHABET)
+
+},{"base-x":35}],84:[function(require,module,exports){
+(function (Buffer){
+'use strict'
+
+var base58 = require('bs58')
+
+module.exports = function (checksumFn) {
+ // Encode a buffer as a base58-check encoded string
+ function encode (payload) {
+ var checksum = checksumFn(payload)
+
+ return base58.encode(Buffer.concat([
+ payload,
+ checksum
+ ], payload.length + 4))
+ }
+
+ function decodeRaw (buffer) {
+ var payload = buffer.slice(0, -4)
+ var checksum = buffer.slice(-4)
+ var newChecksum = checksumFn(payload)
+
+ if (checksum[0] ^ newChecksum[0] |
+ checksum[1] ^ newChecksum[1] |
+ checksum[2] ^ newChecksum[2] |
+ checksum[3] ^ newChecksum[3]) return
+
+ return payload
+ }
+
+ // Decode a base58-check encoded string to a buffer, no result if checksum is wrong
+ function decodeUnsafe (string) {
+ var buffer = base58.decodeUnsafe(string)
+ if (!buffer) return
+
+ return decodeRaw(buffer)
+ }
+
+ function decode (string) {
+ var buffer = base58.decode(string)
+ var payload = decodeRaw(buffer, checksumFn)
+ if (!payload) throw new Error('Invalid checksum')
+ return payload
+ }
+
+ return {
+ encode: encode,
+ decode: decode,
+ decodeUnsafe: decodeUnsafe
+ }
+}
+
+}).call(this,require("buffer").Buffer)
+},{"bs58":83,"buffer":5}],85:[function(require,module,exports){
+'use strict'
+
+var createHash = require('create-hash')
+var bs58checkBase = require('./base')
+
+// SHA256(SHA256(buffer))
+function sha256x2 (buffer) {
+ var tmp = createHash('sha256').update(buffer).digest()
+ return createHash('sha256').update(tmp).digest()
+}
+
+module.exports = bs58checkBase(sha256x2)
+
+},{"./base":84,"create-hash":87}],86:[function(require,module,exports){
+var Buffer = require('safe-buffer').Buffer
+var Transform = require('stream').Transform
+var StringDecoder = require('string_decoder').StringDecoder
+var inherits = require('inherits')
+
+function CipherBase (hashMode) {
+ Transform.call(this)
+ this.hashMode = typeof hashMode === 'string'
+ if (this.hashMode) {
+ this[hashMode] = this._finalOrDigest
+ } else {
+ this.final = this._finalOrDigest
+ }
+ if (this._final) {
+ this.__final = this._final
+ this._final = null
+ }
+ this._decoder = null
+ this._encoding = null
+}
+inherits(CipherBase, Transform)
+
+CipherBase.prototype.update = function (data, inputEnc, outputEnc) {
+ if (typeof data === 'string') {
+ data = Buffer.from(data, inputEnc)
+ }
+
+ var outData = this._update(data)
+ if (this.hashMode) return this
+
+ if (outputEnc) {
+ outData = this._toString(outData, outputEnc)
+ }
+
+ return outData
+}
+
+CipherBase.prototype.setAutoPadding = function () {}
+CipherBase.prototype.getAuthTag = function () {
+ throw new Error('trying to get auth tag in unsupported state')
+}
+
+CipherBase.prototype.setAuthTag = function () {
+ throw new Error('trying to set auth tag in unsupported state')
+}
+
+CipherBase.prototype.setAAD = function () {
+ throw new Error('trying to set aad in unsupported state')
+}
+
+CipherBase.prototype._transform = function (data, _, next) {
+ var err
+ try {
+ if (this.hashMode) {
+ this._update(data)
+ } else {
+ this.push(this._update(data))
+ }
+ } catch (e) {
+ err = e
+ } finally {
+ next(err)
+ }
+}
+CipherBase.prototype._flush = function (done) {
+ var err
+ try {
+ this.push(this.__final())
+ } catch (e) {
+ err = e
+ }
+
+ done(err)
+}
+CipherBase.prototype._finalOrDigest = function (outputEnc) {
+ var outData = this.__final() || Buffer.alloc(0)
+ if (outputEnc) {
+ outData = this._toString(outData, outputEnc, true)
+ }
+ return outData
+}
+
+CipherBase.prototype._toString = function (value, enc, fin) {
+ if (!this._decoder) {
+ this._decoder = new StringDecoder(enc)
+ this._encoding = enc
+ }
+
+ if (this._encoding !== enc) throw new Error('can\'t switch encodings')
+
+ var out = this._decoder.write(value)
+ if (fin) {
+ out += this._decoder.end()
+ }
+
+ return out
+}
+
+module.exports = CipherBase
+
+},{"inherits":121,"safe-buffer":128,"stream":28,"string_decoder":29}],87:[function(require,module,exports){
+(function (Buffer){
+'use strict'
+var inherits = require('inherits')
+var md5 = require('./md5')
+var RIPEMD160 = require('ripemd160')
+var sha = require('sha.js')
+
+var Base = require('cipher-base')
+
+function HashNoConstructor (hash) {
+ Base.call(this, 'digest')
+
+ this._hash = hash
+ this.buffers = []
+}
+
+inherits(HashNoConstructor, Base)
+
+HashNoConstructor.prototype._update = function (data) {
+ this.buffers.push(data)
+}
+
+HashNoConstructor.prototype._final = function () {
+ var buf = Buffer.concat(this.buffers)
+ var r = this._hash(buf)
+ this.buffers = null
+
+ return r
+}
+
+function Hash (hash) {
+ Base.call(this, 'digest')
+
+ this._hash = hash
+}
+
+inherits(Hash, Base)
+
+Hash.prototype._update = function (data) {
+ this._hash.update(data)
+}
+
+Hash.prototype._final = function () {
+ return this._hash.digest()
+}
+
+module.exports = function createHash (alg) {
+ alg = alg.toLowerCase()
+ if (alg === 'md5') return new HashNoConstructor(md5)
+ if (alg === 'rmd160' || alg === 'ripemd160') return new Hash(new RIPEMD160())
+
+ return new Hash(sha(alg))
+}
+
+}).call(this,require("buffer").Buffer)
+},{"./md5":89,"buffer":5,"cipher-base":86,"inherits":121,"ripemd160":127,"sha.js":130}],88:[function(require,module,exports){
+(function (Buffer){
+'use strict'
+var intSize = 4
+var zeroBuffer = new Buffer(intSize)
+zeroBuffer.fill(0)
+
+var charSize = 8
+var hashSize = 16
+
+function toArray (buf) {
+ if ((buf.length % intSize) !== 0) {
+ var len = buf.length + (intSize - (buf.length % intSize))
+ buf = Buffer.concat([buf, zeroBuffer], len)
+ }
+
+ var arr = new Array(buf.length >>> 2)
+ for (var i = 0, j = 0; i < buf.length; i += intSize, j++) {
+ arr[j] = buf.readInt32LE(i)
+ }
+
+ return arr
+}
+
+module.exports = function hash (buf, fn) {
+ var arr = fn(toArray(buf), buf.length * charSize)
+ buf = new Buffer(hashSize)
+ for (var i = 0; i < arr.length; i++) {
+ buf.writeInt32LE(arr[i], i << 2, true)
+ }
+ return buf
+}
+
+}).call(this,require("buffer").Buffer)
+},{"buffer":5}],89:[function(require,module,exports){
+'use strict'
+/*
+ * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
+ * Digest Algorithm, as defined in RFC 1321.
+ * Version 2.1 Copyright (C) Paul Johnston 1999 - 2002.
+ * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
+ * Distributed under the BSD License
+ * See http://pajhome.org.uk/crypt/md5 for more info.
+ */
+
+var makeHash = require('./make-hash')
+
+/*
+ * Calculate the MD5 of an array of little-endian words, and a bit length
+ */
+function core_md5 (x, len) {
+ /* append padding */
+ x[len >> 5] |= 0x80 << ((len) % 32)
+ x[(((len + 64) >>> 9) << 4) + 14] = len
+
+ var a = 1732584193
+ var b = -271733879
+ var c = -1732584194
+ var d = 271733878
+
+ for (var i = 0; i < x.length; i += 16) {
+ var olda = a
+ var oldb = b
+ var oldc = c
+ var oldd = d
+
+ a = md5_ff(a, b, c, d, x[i + 0], 7, -680876936)
+ d = md5_ff(d, a, b, c, x[i + 1], 12, -389564586)
+ c = md5_ff(c, d, a, b, x[i + 2], 17, 606105819)
+ b = md5_ff(b, c, d, a, x[i + 3], 22, -1044525330)
+ a = md5_ff(a, b, c, d, x[i + 4], 7, -176418897)
+ d = md5_ff(d, a, b, c, x[i + 5], 12, 1200080426)
+ c = md5_ff(c, d, a, b, x[i + 6], 17, -1473231341)
+ b = md5_ff(b, c, d, a, x[i + 7], 22, -45705983)
+ a = md5_ff(a, b, c, d, x[i + 8], 7, 1770035416)
+ d = md5_ff(d, a, b, c, x[i + 9], 12, -1958414417)
+ c = md5_ff(c, d, a, b, x[i + 10], 17, -42063)
+ b = md5_ff(b, c, d, a, x[i + 11], 22, -1990404162)
+ a = md5_ff(a, b, c, d, x[i + 12], 7, 1804603682)
+ d = md5_ff(d, a, b, c, x[i + 13], 12, -40341101)
+ c = md5_ff(c, d, a, b, x[i + 14], 17, -1502002290)
+ b = md5_ff(b, c, d, a, x[i + 15], 22, 1236535329)
+
+ a = md5_gg(a, b, c, d, x[i + 1], 5, -165796510)
d = md5_gg(d, a, b, c, x[i + 6], 9, -1069501632)
c = md5_gg(c, d, a, b, x[i + 11], 14, 643717713)
b = md5_gg(b, c, d, a, x[i + 0], 20, -373897302)
c = md5_gg(c, d, a, b, x[i + 7], 14, 1735328473)
b = md5_gg(b, c, d, a, x[i + 12], 20, -1926607734)
- a = md5_hh(a, b, c, d, x[i + 5], 4, -378558)
- d = md5_hh(d, a, b, c, x[i + 8], 11, -2022574463)
- c = md5_hh(c, d, a, b, x[i + 11], 16, 1839030562)
- b = md5_hh(b, c, d, a, x[i + 14], 23, -35309556)
- a = md5_hh(a, b, c, d, x[i + 1], 4, -1530992060)
- d = md5_hh(d, a, b, c, x[i + 4], 11, 1272893353)
- c = md5_hh(c, d, a, b, x[i + 7], 16, -155497632)
- b = md5_hh(b, c, d, a, x[i + 10], 23, -1094730640)
- a = md5_hh(a, b, c, d, x[i + 13], 4, 681279174)
- d = md5_hh(d, a, b, c, x[i + 0], 11, -358537222)
- c = md5_hh(c, d, a, b, x[i + 3], 16, -722521979)
- b = md5_hh(b, c, d, a, x[i + 6], 23, 76029189)
- a = md5_hh(a, b, c, d, x[i + 9], 4, -640364487)
- d = md5_hh(d, a, b, c, x[i + 12], 11, -421815835)
- c = md5_hh(c, d, a, b, x[i + 15], 16, 530742520)
- b = md5_hh(b, c, d, a, x[i + 2], 23, -995338651)
+ a = md5_hh(a, b, c, d, x[i + 5], 4, -378558)
+ d = md5_hh(d, a, b, c, x[i + 8], 11, -2022574463)
+ c = md5_hh(c, d, a, b, x[i + 11], 16, 1839030562)
+ b = md5_hh(b, c, d, a, x[i + 14], 23, -35309556)
+ a = md5_hh(a, b, c, d, x[i + 1], 4, -1530992060)
+ d = md5_hh(d, a, b, c, x[i + 4], 11, 1272893353)
+ c = md5_hh(c, d, a, b, x[i + 7], 16, -155497632)
+ b = md5_hh(b, c, d, a, x[i + 10], 23, -1094730640)
+ a = md5_hh(a, b, c, d, x[i + 13], 4, 681279174)
+ d = md5_hh(d, a, b, c, x[i + 0], 11, -358537222)
+ c = md5_hh(c, d, a, b, x[i + 3], 16, -722521979)
+ b = md5_hh(b, c, d, a, x[i + 6], 23, 76029189)
+ a = md5_hh(a, b, c, d, x[i + 9], 4, -640364487)
+ d = md5_hh(d, a, b, c, x[i + 12], 11, -421815835)
+ c = md5_hh(c, d, a, b, x[i + 15], 16, 530742520)
+ b = md5_hh(b, c, d, a, x[i + 2], 23, -995338651)
+
+ a = md5_ii(a, b, c, d, x[i + 0], 6, -198630844)
+ d = md5_ii(d, a, b, c, x[i + 7], 10, 1126891415)
+ c = md5_ii(c, d, a, b, x[i + 14], 15, -1416354905)
+ b = md5_ii(b, c, d, a, x[i + 5], 21, -57434055)
+ a = md5_ii(a, b, c, d, x[i + 12], 6, 1700485571)
+ d = md5_ii(d, a, b, c, x[i + 3], 10, -1894986606)
+ c = md5_ii(c, d, a, b, x[i + 10], 15, -1051523)
+ b = md5_ii(b, c, d, a, x[i + 1], 21, -2054922799)
+ a = md5_ii(a, b, c, d, x[i + 8], 6, 1873313359)
+ d = md5_ii(d, a, b, c, x[i + 15], 10, -30611744)
+ c = md5_ii(c, d, a, b, x[i + 6], 15, -1560198380)
+ b = md5_ii(b, c, d, a, x[i + 13], 21, 1309151649)
+ a = md5_ii(a, b, c, d, x[i + 4], 6, -145523070)
+ d = md5_ii(d, a, b, c, x[i + 11], 10, -1120210379)
+ c = md5_ii(c, d, a, b, x[i + 2], 15, 718787259)
+ b = md5_ii(b, c, d, a, x[i + 9], 21, -343485551)
+
+ a = safe_add(a, olda)
+ b = safe_add(b, oldb)
+ c = safe_add(c, oldc)
+ d = safe_add(d, oldd)
+ }
+
+ return [a, b, c, d]
+}
+
+/*
+ * These functions implement the four basic operations the algorithm uses.
+ */
+function md5_cmn (q, a, b, x, s, t) {
+ return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s), b)
+}
+
+function md5_ff (a, b, c, d, x, s, t) {
+ return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t)
+}
+
+function md5_gg (a, b, c, d, x, s, t) {
+ return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t)
+}
+
+function md5_hh (a, b, c, d, x, s, t) {
+ return md5_cmn(b ^ c ^ d, a, b, x, s, t)
+}
+
+function md5_ii (a, b, c, d, x, s, t) {
+ return md5_cmn(c ^ (b | (~d)), a, b, x, s, t)
+}
+
+/*
+ * Add integers, wrapping at 2^32. This uses 16-bit operations internally
+ * to work around bugs in some JS interpreters.
+ */
+function safe_add (x, y) {
+ var lsw = (x & 0xFFFF) + (y & 0xFFFF)
+ var msw = (x >> 16) + (y >> 16) + (lsw >> 16)
+ return (msw << 16) | (lsw & 0xFFFF)
+}
+
+/*
+ * Bitwise rotate a 32-bit number to the left.
+ */
+function bit_rol (num, cnt) {
+ return (num << cnt) | (num >>> (32 - cnt))
+}
+
+module.exports = function md5 (buf) {
+ return makeHash(buf, core_md5)
+}
+
+},{"./make-hash":88}],90:[function(require,module,exports){
+'use strict'
+var inherits = require('inherits')
+var Legacy = require('./legacy')
+var Base = require('cipher-base')
+var Buffer = require('safe-buffer').Buffer
+var md5 = require('create-hash/md5')
+var RIPEMD160 = require('ripemd160')
+
+var sha = require('sha.js')
+
+var ZEROS = Buffer.alloc(128)
+
+function Hmac (alg, key) {
+ Base.call(this, 'digest')
+ if (typeof key === 'string') {
+ key = Buffer.from(key)
+ }
+
+ var blocksize = (alg === 'sha512' || alg === 'sha384') ? 128 : 64
+
+ this._alg = alg
+ this._key = key
+ if (key.length > blocksize) {
+ var hash = alg === 'rmd160' ? new RIPEMD160() : sha(alg)
+ key = hash.update(key).digest()
+ } else if (key.length < blocksize) {
+ key = Buffer.concat([key, ZEROS], blocksize)
+ }
+
+ var ipad = this._ipad = Buffer.allocUnsafe(blocksize)
+ var opad = this._opad = Buffer.allocUnsafe(blocksize)
+
+ for (var i = 0; i < blocksize; i++) {
+ ipad[i] = key[i] ^ 0x36
+ opad[i] = key[i] ^ 0x5C
+ }
+ this._hash = alg === 'rmd160' ? new RIPEMD160() : sha(alg)
+ this._hash.update(ipad)
+}
+
+inherits(Hmac, Base)
+
+Hmac.prototype._update = function (data) {
+ this._hash.update(data)
+}
+
+Hmac.prototype._final = function () {
+ var h = this._hash.digest()
+ var hash = this._alg === 'rmd160' ? new RIPEMD160() : sha(this._alg)
+ return hash.update(this._opad).update(h).digest()
+}
+
+module.exports = function createHmac (alg, key) {
+ alg = alg.toLowerCase()
+ if (alg === 'rmd160' || alg === 'ripemd160') {
+ return new Hmac('rmd160', key)
+ }
+ if (alg === 'md5') {
+ return new Legacy(md5, key)
+ }
+ return new Hmac(alg, key)
+}
+
+},{"./legacy":91,"cipher-base":86,"create-hash/md5":89,"inherits":121,"ripemd160":127,"safe-buffer":128,"sha.js":130}],91:[function(require,module,exports){
+'use strict'
+var inherits = require('inherits')
+var Buffer = require('safe-buffer').Buffer
+
+var Base = require('cipher-base')
+
+var ZEROS = Buffer.alloc(128)
+var blocksize = 64
+
+function Hmac (alg, key) {
+ Base.call(this, 'digest')
+ if (typeof key === 'string') {
+ key = Buffer.from(key)
+ }
+
+ this._alg = alg
+ this._key = key
+
+ if (key.length > blocksize) {
+ key = alg(key)
+ } else if (key.length < blocksize) {
+ key = Buffer.concat([key, ZEROS], blocksize)
+ }
+
+ var ipad = this._ipad = Buffer.allocUnsafe(blocksize)
+ var opad = this._opad = Buffer.allocUnsafe(blocksize)
+
+ for (var i = 0; i < blocksize; i++) {
+ ipad[i] = key[i] ^ 0x36
+ opad[i] = key[i] ^ 0x5C
+ }
+
+ this._hash = [ipad]
+}
+
+inherits(Hmac, Base)
+
+Hmac.prototype._update = function (data) {
+ this._hash.push(data)
+}
+
+Hmac.prototype._final = function () {
+ var h = this._alg(Buffer.concat(this._hash))
+ return this._alg(Buffer.concat([this._opad, h]))
+}
+module.exports = Hmac
+
+},{"cipher-base":86,"inherits":121,"safe-buffer":128}],92:[function(require,module,exports){
+var assert = require('assert')
+var BigInteger = require('bigi')
+
+var Point = require('./point')
+
+function Curve (p, a, b, Gx, Gy, n, h) {
+ this.p = p
+ this.a = a
+ this.b = b
+ this.G = Point.fromAffine(this, Gx, Gy)
+ this.n = n
+ this.h = h
+
+ this.infinity = new Point(this, null, null, BigInteger.ZERO)
+
+ // result caching
+ this.pOverFour = p.add(BigInteger.ONE).shiftRight(2)
+
+ // determine size of p in bytes
+ this.pLength = Math.floor((this.p.bitLength() + 7) / 8)
+}
+
+Curve.prototype.pointFromX = function (isOdd, x) {
+ var alpha = x.pow(3).add(this.a.multiply(x)).add(this.b).mod(this.p)
+ var beta = alpha.modPow(this.pOverFour, this.p) // XXX: not compatible with all curves
+
+ var y = beta
+ if (beta.isEven() ^ !isOdd) {
+ y = this.p.subtract(y) // -y % p
+ }
+
+ return Point.fromAffine(this, x, y)
+}
+
+Curve.prototype.isInfinity = function (Q) {
+ if (Q === this.infinity) return true
+
+ return Q.z.signum() === 0 && Q.y.signum() !== 0
+}
+
+Curve.prototype.isOnCurve = function (Q) {
+ if (this.isInfinity(Q)) return true
+
+ var x = Q.affineX
+ var y = Q.affineY
+ var a = this.a
+ var b = this.b
+ var p = this.p
+
+ // Check that xQ and yQ are integers in the interval [0, p - 1]
+ if (x.signum() < 0 || x.compareTo(p) >= 0) return false
+ if (y.signum() < 0 || y.compareTo(p) >= 0) return false
+
+ // and check that y^2 = x^3 + ax + b (mod p)
+ var lhs = y.square().mod(p)
+ var rhs = x.pow(3).add(a.multiply(x)).add(b).mod(p)
+ return lhs.equals(rhs)
+}
+
+/**
+ * Validate an elliptic curve point.
+ *
+ * See SEC 1, section 3.2.2.1: Elliptic Curve Public Key Validation Primitive
+ */
+Curve.prototype.validate = function (Q) {
+ // Check Q != O
+ assert(!this.isInfinity(Q), 'Point is at infinity')
+ assert(this.isOnCurve(Q), 'Point is not on the curve')
+
+ // Check nQ = O (where Q is a scalar multiple of G)
+ var nQ = Q.multiply(this.n)
+ assert(this.isInfinity(nQ), 'Point is not a scalar multiple of G')
+
+ return true
+}
+
+module.exports = Curve
+
+},{"./point":96,"assert":1,"bigi":39}],93:[function(require,module,exports){
+module.exports={
+ "secp128r1": {
+ "p": "fffffffdffffffffffffffffffffffff",
+ "a": "fffffffdfffffffffffffffffffffffc",
+ "b": "e87579c11079f43dd824993c2cee5ed3",
+ "n": "fffffffe0000000075a30d1b9038a115",
+ "h": "01",
+ "Gx": "161ff7528b899b2d0c28607ca52c5b86",
+ "Gy": "cf5ac8395bafeb13c02da292dded7a83"
+ },
+ "secp160k1": {
+ "p": "fffffffffffffffffffffffffffffffeffffac73",
+ "a": "00",
+ "b": "07",
+ "n": "0100000000000000000001b8fa16dfab9aca16b6b3",
+ "h": "01",
+ "Gx": "3b4c382ce37aa192a4019e763036f4f5dd4d7ebb",
+ "Gy": "938cf935318fdced6bc28286531733c3f03c4fee"
+ },
+ "secp160r1": {
+ "p": "ffffffffffffffffffffffffffffffff7fffffff",
+ "a": "ffffffffffffffffffffffffffffffff7ffffffc",
+ "b": "1c97befc54bd7a8b65acf89f81d4d4adc565fa45",
+ "n": "0100000000000000000001f4c8f927aed3ca752257",
+ "h": "01",
+ "Gx": "4a96b5688ef573284664698968c38bb913cbfc82",
+ "Gy": "23a628553168947d59dcc912042351377ac5fb32"
+ },
+ "secp192k1": {
+ "p": "fffffffffffffffffffffffffffffffffffffffeffffee37",
+ "a": "00",
+ "b": "03",
+ "n": "fffffffffffffffffffffffe26f2fc170f69466a74defd8d",
+ "h": "01",
+ "Gx": "db4ff10ec057e9ae26b07d0280b7f4341da5d1b1eae06c7d",
+ "Gy": "9b2f2f6d9c5628a7844163d015be86344082aa88d95e2f9d"
+ },
+ "secp192r1": {
+ "p": "fffffffffffffffffffffffffffffffeffffffffffffffff",
+ "a": "fffffffffffffffffffffffffffffffefffffffffffffffc",
+ "b": "64210519e59c80e70fa7e9ab72243049feb8deecc146b9b1",
+ "n": "ffffffffffffffffffffffff99def836146bc9b1b4d22831",
+ "h": "01",
+ "Gx": "188da80eb03090f67cbf20eb43a18800f4ff0afd82ff1012",
+ "Gy": "07192b95ffc8da78631011ed6b24cdd573f977a11e794811"
+ },
+ "secp256k1": {
+ "p": "fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f",
+ "a": "00",
+ "b": "07",
+ "n": "fffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364141",
+ "h": "01",
+ "Gx": "79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798",
+ "Gy": "483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8"
+ },
+ "secp256r1": {
+ "p": "ffffffff00000001000000000000000000000000ffffffffffffffffffffffff",
+ "a": "ffffffff00000001000000000000000000000000fffffffffffffffffffffffc",
+ "b": "5ac635d8aa3a93e7b3ebbd55769886bc651d06b0cc53b0f63bce3c3e27d2604b",
+ "n": "ffffffff00000000ffffffffffffffffbce6faada7179e84f3b9cac2fc632551",
+ "h": "01",
+ "Gx": "6b17d1f2e12c4247f8bce6e563a440f277037d812deb33a0f4a13945d898c296",
+ "Gy": "4fe342e2fe1a7f9b8ee7eb4a7c0f9e162bce33576b315ececbb6406837bf51f5"
+ }
+}
+
+},{}],94:[function(require,module,exports){
+var Point = require('./point')
+var Curve = require('./curve')
+
+var getCurveByName = require('./names')
+
+module.exports = {
+ Curve: Curve,
+ Point: Point,
+ getCurveByName: getCurveByName
+}
+
+},{"./curve":92,"./names":95,"./point":96}],95:[function(require,module,exports){
+var BigInteger = require('bigi')
+
+var curves = require('./curves.json')
+var Curve = require('./curve')
+
+function getCurveByName (name) {
+ var curve = curves[name]
+ if (!curve) return null
+
+ var p = new BigInteger(curve.p, 16)
+ var a = new BigInteger(curve.a, 16)
+ var b = new BigInteger(curve.b, 16)
+ var n = new BigInteger(curve.n, 16)
+ var h = new BigInteger(curve.h, 16)
+ var Gx = new BigInteger(curve.Gx, 16)
+ var Gy = new BigInteger(curve.Gy, 16)
+
+ return new Curve(p, a, b, Gx, Gy, n, h)
+}
+
+module.exports = getCurveByName
+
+},{"./curve":92,"./curves.json":93,"bigi":39}],96:[function(require,module,exports){
+(function (Buffer){
+var assert = require('assert')
+var BigInteger = require('bigi')
+
+var THREE = BigInteger.valueOf(3)
+
+function Point (curve, x, y, z) {
+ assert.notStrictEqual(z, undefined, 'Missing Z coordinate')
+
+ this.curve = curve
+ this.x = x
+ this.y = y
+ this.z = z
+ this._zInv = null
+
+ this.compressed = true
+}
+
+Object.defineProperty(Point.prototype, 'zInv', {
+ get: function () {
+ if (this._zInv === null) {
+ this._zInv = this.z.modInverse(this.curve.p)
+ }
+
+ return this._zInv
+ }
+})
+
+Object.defineProperty(Point.prototype, 'affineX', {
+ get: function () {
+ return this.x.multiply(this.zInv).mod(this.curve.p)
+ }
+})
+
+Object.defineProperty(Point.prototype, 'affineY', {
+ get: function () {
+ return this.y.multiply(this.zInv).mod(this.curve.p)
+ }
+})
+
+Point.fromAffine = function (curve, x, y) {
+ return new Point(curve, x, y, BigInteger.ONE)
+}
+
+Point.prototype.equals = function (other) {
+ if (other === this) return true
+ if (this.curve.isInfinity(this)) return this.curve.isInfinity(other)
+ if (this.curve.isInfinity(other)) return this.curve.isInfinity(this)
+
+ // u = Y2 * Z1 - Y1 * Z2
+ var u = other.y.multiply(this.z).subtract(this.y.multiply(other.z)).mod(this.curve.p)
+
+ if (u.signum() !== 0) return false
+
+ // v = X2 * Z1 - X1 * Z2
+ var v = other.x.multiply(this.z).subtract(this.x.multiply(other.z)).mod(this.curve.p)
+
+ return v.signum() === 0
+}
+
+Point.prototype.negate = function () {
+ var y = this.curve.p.subtract(this.y)
+
+ return new Point(this.curve, this.x, y, this.z)
+}
+
+Point.prototype.add = function (b) {
+ if (this.curve.isInfinity(this)) return b
+ if (this.curve.isInfinity(b)) return this
+
+ var x1 = this.x
+ var y1 = this.y
+ var x2 = b.x
+ var y2 = b.y
+
+ // u = Y2 * Z1 - Y1 * Z2
+ var u = y2.multiply(this.z).subtract(y1.multiply(b.z)).mod(this.curve.p)
+ // v = X2 * Z1 - X1 * Z2
+ var v = x2.multiply(this.z).subtract(x1.multiply(b.z)).mod(this.curve.p)
+
+ if (v.signum() === 0) {
+ if (u.signum() === 0) {
+ return this.twice() // this == b, so double
+ }
+
+ return this.curve.infinity // this = -b, so infinity
+ }
+
+ var v2 = v.square()
+ var v3 = v2.multiply(v)
+ var x1v2 = x1.multiply(v2)
+ var zu2 = u.square().multiply(this.z)
+
+ // x3 = v * (z2 * (z1 * u^2 - 2 * x1 * v^2) - v^3)
+ var x3 = zu2.subtract(x1v2.shiftLeft(1)).multiply(b.z).subtract(v3).multiply(v).mod(this.curve.p)
+ // y3 = z2 * (3 * x1 * u * v^2 - y1 * v^3 - z1 * u^3) + u * v^3
+ var y3 = x1v2.multiply(THREE).multiply(u).subtract(y1.multiply(v3)).subtract(zu2.multiply(u)).multiply(b.z).add(u.multiply(v3)).mod(this.curve.p)
+ // z3 = v^3 * z1 * z2
+ var z3 = v3.multiply(this.z).multiply(b.z).mod(this.curve.p)
+
+ return new Point(this.curve, x3, y3, z3)
+}
+
+Point.prototype.twice = function () {
+ if (this.curve.isInfinity(this)) return this
+ if (this.y.signum() === 0) return this.curve.infinity
+
+ var x1 = this.x
+ var y1 = this.y
+
+ var y1z1 = y1.multiply(this.z).mod(this.curve.p)
+ var y1sqz1 = y1z1.multiply(y1).mod(this.curve.p)
+ var a = this.curve.a
+
+ // w = 3 * x1^2 + a * z1^2
+ var w = x1.square().multiply(THREE)
+
+ if (a.signum() !== 0) {
+ w = w.add(this.z.square().multiply(a))
+ }
+
+ w = w.mod(this.curve.p)
+ // x3 = 2 * y1 * z1 * (w^2 - 8 * x1 * y1^2 * z1)
+ var x3 = w.square().subtract(x1.shiftLeft(3).multiply(y1sqz1)).shiftLeft(1).multiply(y1z1).mod(this.curve.p)
+ // y3 = 4 * y1^2 * z1 * (3 * w * x1 - 2 * y1^2 * z1) - w^3
+ var y3 = w.multiply(THREE).multiply(x1).subtract(y1sqz1.shiftLeft(1)).shiftLeft(2).multiply(y1sqz1).subtract(w.pow(3)).mod(this.curve.p)
+ // z3 = 8 * (y1 * z1)^3
+ var z3 = y1z1.pow(3).shiftLeft(3).mod(this.curve.p)
+
+ return new Point(this.curve, x3, y3, z3)
+}
+
+// Simple NAF (Non-Adjacent Form) multiplication algorithm
+// TODO: modularize the multiplication algorithm
+Point.prototype.multiply = function (k) {
+ if (this.curve.isInfinity(this)) return this
+ if (k.signum() === 0) return this.curve.infinity
+
+ var e = k
+ var h = e.multiply(THREE)
+
+ var neg = this.negate()
+ var R = this
+
+ for (var i = h.bitLength() - 2; i > 0; --i) {
+ var hBit = h.testBit(i)
+ var eBit = e.testBit(i)
+
+ R = R.twice()
+
+ if (hBit !== eBit) {
+ R = R.add(hBit ? this : neg)
+ }
+ }
+
+ return R
+}
+
+// Compute this*j + x*k (simultaneous multiplication)
+Point.prototype.multiplyTwo = function (j, x, k) {
+ var i = Math.max(j.bitLength(), k.bitLength()) - 1
+ var R = this.curve.infinity
+ var both = this.add(x)
+
+ while (i >= 0) {
+ var jBit = j.testBit(i)
+ var kBit = k.testBit(i)
+
+ R = R.twice()
+
+ if (jBit) {
+ if (kBit) {
+ R = R.add(both)
+ } else {
+ R = R.add(this)
+ }
+ } else if (kBit) {
+ R = R.add(x)
+ }
+ --i
+ }
+
+ return R
+}
+
+Point.prototype.getEncoded = function (compressed) {
+ if (compressed == null) compressed = this.compressed
+ if (this.curve.isInfinity(this)) return new Buffer('00', 'hex') // Infinity point encoded is simply '00'
+
+ var x = this.affineX
+ var y = this.affineY
+ var byteLength = this.curve.pLength
+ var buffer
+
+ // 0x02/0x03 | X
+ if (compressed) {
+ buffer = new Buffer(1 + byteLength)
+ buffer.writeUInt8(y.isEven() ? 0x02 : 0x03, 0)
+
+ // 0x04 | X | Y
+ } else {
+ buffer = new Buffer(1 + byteLength + byteLength)
+ buffer.writeUInt8(0x04, 0)
+
+ y.toBuffer(byteLength).copy(buffer, 1 + byteLength)
+ }
+
+ x.toBuffer(byteLength).copy(buffer, 1)
+
+ return buffer
+}
+
+Point.decodeFrom = function (curve, buffer) {
+ var type = buffer.readUInt8(0)
+ var compressed = (type !== 4)
+
+ var byteLength = Math.floor((curve.p.bitLength() + 7) / 8)
+ var x = BigInteger.fromBuffer(buffer.slice(1, 1 + byteLength))
+
+ var Q
+ if (compressed) {
+ assert.equal(buffer.length, byteLength + 1, 'Invalid sequence length')
+ assert(type === 0x02 || type === 0x03, 'Invalid sequence tag')
+
+ var isOdd = (type === 0x03)
+ Q = curve.pointFromX(isOdd, x)
+ } else {
+ assert.equal(buffer.length, 1 + byteLength + byteLength, 'Invalid sequence length')
+
+ var y = BigInteger.fromBuffer(buffer.slice(1 + byteLength))
+ Q = Point.fromAffine(curve, x, y)
+ }
+
+ Q.compressed = compressed
+ return Q
+}
+
+Point.prototype.toString = function () {
+ if (this.curve.isInfinity(this)) return '(INFINITY)'
+
+ return '(' + this.affineX.toString() + ',' + this.affineY.toString() + ')'
+}
+
+module.exports = Point
+
+}).call(this,require("buffer").Buffer)
+},{"assert":1,"bigi":39,"buffer":5}],97:[function(require,module,exports){
+'use strict';
+
+var elliptic = exports;
+
+elliptic.version = require('../package.json').version;
+elliptic.utils = require('./elliptic/utils');
+elliptic.rand = require('brorand');
+elliptic.curve = require('./elliptic/curve');
+elliptic.curves = require('./elliptic/curves');
+
+// Protocols
+elliptic.ec = require('./elliptic/ec');
+elliptic.eddsa = require('./elliptic/eddsa');
+
+},{"../package.json":112,"./elliptic/curve":100,"./elliptic/curves":103,"./elliptic/ec":104,"./elliptic/eddsa":107,"./elliptic/utils":111,"brorand":82}],98:[function(require,module,exports){
+'use strict';
+
+var BN = require('bn.js');
+var elliptic = require('../../elliptic');
+var utils = elliptic.utils;
+var getNAF = utils.getNAF;
+var getJSF = utils.getJSF;
+var assert = utils.assert;
+
+function BaseCurve(type, conf) {
+ this.type = type;
+ this.p = new BN(conf.p, 16);
+
+ // Use Montgomery, when there is no fast reduction for the prime
+ this.red = conf.prime ? BN.red(conf.prime) : BN.mont(this.p);
+
+ // Useful for many curves
+ this.zero = new BN(0).toRed(this.red);
+ this.one = new BN(1).toRed(this.red);
+ this.two = new BN(2).toRed(this.red);
+
+ // Curve configuration, optional
+ this.n = conf.n && new BN(conf.n, 16);
+ this.g = conf.g && this.pointFromJSON(conf.g, conf.gRed);
+
+ // Temporary arrays
+ this._wnafT1 = new Array(4);
+ this._wnafT2 = new Array(4);
+ this._wnafT3 = new Array(4);
+ this._wnafT4 = new Array(4);
+
+ // Generalized Greg Maxwell's trick
+ var adjustCount = this.n && this.p.div(this.n);
+ if (!adjustCount || adjustCount.cmpn(100) > 0) {
+ this.redN = null;
+ } else {
+ this._maxwellTrick = true;
+ this.redN = this.n.toRed(this.red);
+ }
+}
+module.exports = BaseCurve;
+
+BaseCurve.prototype.point = function point() {
+ throw new Error('Not implemented');
+};
+
+BaseCurve.prototype.validate = function validate() {
+ throw new Error('Not implemented');
+};
+
+BaseCurve.prototype._fixedNafMul = function _fixedNafMul(p, k) {
+ assert(p.precomputed);
+ var doubles = p._getDoubles();
+
+ var naf = getNAF(k, 1);
+ var I = (1 << (doubles.step + 1)) - (doubles.step % 2 === 0 ? 2 : 1);
+ I /= 3;
+
+ // Translate into more windowed form
+ var repr = [];
+ for (var j = 0; j < naf.length; j += doubles.step) {
+ var nafW = 0;
+ for (var k = j + doubles.step - 1; k >= j; k--)
+ nafW = (nafW << 1) + naf[k];
+ repr.push(nafW);
+ }
+
+ var a = this.jpoint(null, null, null);
+ var b = this.jpoint(null, null, null);
+ for (var i = I; i > 0; i--) {
+ for (var j = 0; j < repr.length; j++) {
+ var nafW = repr[j];
+ if (nafW === i)
+ b = b.mixedAdd(doubles.points[j]);
+ else if (nafW === -i)
+ b = b.mixedAdd(doubles.points[j].neg());
+ }
+ a = a.add(b);
+ }
+ return a.toP();
+};
+
+BaseCurve.prototype._wnafMul = function _wnafMul(p, k) {
+ var w = 4;
+
+ // Precompute window
+ var nafPoints = p._getNAFPoints(w);
+ w = nafPoints.wnd;
+ var wnd = nafPoints.points;
+
+ // Get NAF form
+ var naf = getNAF(k, w);
+
+ // Add `this`*(N+1) for every w-NAF index
+ var acc = this.jpoint(null, null, null);
+ for (var i = naf.length - 1; i >= 0; i--) {
+ // Count zeroes
+ for (var k = 0; i >= 0 && naf[i] === 0; i--)
+ k++;
+ if (i >= 0)
+ k++;
+ acc = acc.dblp(k);
+
+ if (i < 0)
+ break;
+ var z = naf[i];
+ assert(z !== 0);
+ if (p.type === 'affine') {
+ // J +- P
+ if (z > 0)
+ acc = acc.mixedAdd(wnd[(z - 1) >> 1]);
+ else
+ acc = acc.mixedAdd(wnd[(-z - 1) >> 1].neg());
+ } else {
+ // J +- J
+ if (z > 0)
+ acc = acc.add(wnd[(z - 1) >> 1]);
+ else
+ acc = acc.add(wnd[(-z - 1) >> 1].neg());
+ }
+ }
+ return p.type === 'affine' ? acc.toP() : acc;
+};
+
+BaseCurve.prototype._wnafMulAdd = function _wnafMulAdd(defW,
+ points,
+ coeffs,
+ len,
+ jacobianResult) {
+ var wndWidth = this._wnafT1;
+ var wnd = this._wnafT2;
+ var naf = this._wnafT3;
+
+ // Fill all arrays
+ var max = 0;
+ for (var i = 0; i < len; i++) {
+ var p = points[i];
+ var nafPoints = p._getNAFPoints(defW);
+ wndWidth[i] = nafPoints.wnd;
+ wnd[i] = nafPoints.points;
+ }
+
+ // Comb small window NAFs
+ for (var i = len - 1; i >= 1; i -= 2) {
+ var a = i - 1;
+ var b = i;
+ if (wndWidth[a] !== 1 || wndWidth[b] !== 1) {
+ naf[a] = getNAF(coeffs[a], wndWidth[a]);
+ naf[b] = getNAF(coeffs[b], wndWidth[b]);
+ max = Math.max(naf[a].length, max);
+ max = Math.max(naf[b].length, max);
+ continue;
+ }
+
+ var comb = [
+ points[a], /* 1 */
+ null, /* 3 */
+ null, /* 5 */
+ points[b] /* 7 */
+ ];
+
+ // Try to avoid Projective points, if possible
+ if (points[a].y.cmp(points[b].y) === 0) {
+ comb[1] = points[a].add(points[b]);
+ comb[2] = points[a].toJ().mixedAdd(points[b].neg());
+ } else if (points[a].y.cmp(points[b].y.redNeg()) === 0) {
+ comb[1] = points[a].toJ().mixedAdd(points[b]);
+ comb[2] = points[a].add(points[b].neg());
+ } else {
+ comb[1] = points[a].toJ().mixedAdd(points[b]);
+ comb[2] = points[a].toJ().mixedAdd(points[b].neg());
+ }
+
+ var index = [
+ -3, /* -1 -1 */
+ -1, /* -1 0 */
+ -5, /* -1 1 */
+ -7, /* 0 -1 */
+ 0, /* 0 0 */
+ 7, /* 0 1 */
+ 5, /* 1 -1 */
+ 1, /* 1 0 */
+ 3 /* 1 1 */
+ ];
+
+ var jsf = getJSF(coeffs[a], coeffs[b]);
+ max = Math.max(jsf[0].length, max);
+ naf[a] = new Array(max);
+ naf[b] = new Array(max);
+ for (var j = 0; j < max; j++) {
+ var ja = jsf[0][j] | 0;
+ var jb = jsf[1][j] | 0;
+
+ naf[a][j] = index[(ja + 1) * 3 + (jb + 1)];
+ naf[b][j] = 0;
+ wnd[a] = comb;
+ }
+ }
+
+ var acc = this.jpoint(null, null, null);
+ var tmp = this._wnafT4;
+ for (var i = max; i >= 0; i--) {
+ var k = 0;
+
+ while (i >= 0) {
+ var zero = true;
+ for (var j = 0; j < len; j++) {
+ tmp[j] = naf[j][i] | 0;
+ if (tmp[j] !== 0)
+ zero = false;
+ }
+ if (!zero)
+ break;
+ k++;
+ i--;
+ }
+ if (i >= 0)
+ k++;
+ acc = acc.dblp(k);
+ if (i < 0)
+ break;
+
+ for (var j = 0; j < len; j++) {
+ var z = tmp[j];
+ var p;
+ if (z === 0)
+ continue;
+ else if (z > 0)
+ p = wnd[j][(z - 1) >> 1];
+ else if (z < 0)
+ p = wnd[j][(-z - 1) >> 1].neg();
+
+ if (p.type === 'affine')
+ acc = acc.mixedAdd(p);
+ else
+ acc = acc.add(p);
+ }
+ }
+ // Zeroify references
+ for (var i = 0; i < len; i++)
+ wnd[i] = null;
+
+ if (jacobianResult)
+ return acc;
+ else
+ return acc.toP();
+};
+
+function BasePoint(curve, type) {
+ this.curve = curve;
+ this.type = type;
+ this.precomputed = null;
+}
+BaseCurve.BasePoint = BasePoint;
+
+BasePoint.prototype.eq = function eq(/*other*/) {
+ throw new Error('Not implemented');
+};
+
+BasePoint.prototype.validate = function validate() {
+ return this.curve.validate(this);
+};
+
+BaseCurve.prototype.decodePoint = function decodePoint(bytes, enc) {
+ bytes = utils.toArray(bytes, enc);
+
+ var len = this.p.byteLength();
+
+ // uncompressed, hybrid-odd, hybrid-even
+ if ((bytes[0] === 0x04 || bytes[0] === 0x06 || bytes[0] === 0x07) &&
+ bytes.length - 1 === 2 * len) {
+ if (bytes[0] === 0x06)
+ assert(bytes[bytes.length - 1] % 2 === 0);
+ else if (bytes[0] === 0x07)
+ assert(bytes[bytes.length - 1] % 2 === 1);
+
+ var res = this.point(bytes.slice(1, 1 + len),
+ bytes.slice(1 + len, 1 + 2 * len));
+
+ return res;
+ } else if ((bytes[0] === 0x02 || bytes[0] === 0x03) &&
+ bytes.length - 1 === len) {
+ return this.pointFromX(bytes.slice(1, 1 + len), bytes[0] === 0x03);
+ }
+ throw new Error('Unknown point format');
+};
+
+BasePoint.prototype.encodeCompressed = function encodeCompressed(enc) {
+ return this.encode(enc, true);
+};
+
+BasePoint.prototype._encode = function _encode(compact) {
+ var len = this.curve.p.byteLength();
+ var x = this.getX().toArray('be', len);
+
+ if (compact)
+ return [ this.getY().isEven() ? 0x02 : 0x03 ].concat(x);
+
+ return [ 0x04 ].concat(x, this.getY().toArray('be', len)) ;
+};
+
+BasePoint.prototype.encode = function encode(enc, compact) {
+ return utils.encode(this._encode(compact), enc);
+};
+
+BasePoint.prototype.precompute = function precompute(power) {
+ if (this.precomputed)
+ return this;
+
+ var precomputed = {
+ doubles: null,
+ naf: null,
+ beta: null
+ };
+ precomputed.naf = this._getNAFPoints(8);
+ precomputed.doubles = this._getDoubles(4, power);
+ precomputed.beta = this._getBeta();
+ this.precomputed = precomputed;
+
+ return this;
+};
+
+BasePoint.prototype._hasDoubles = function _hasDoubles(k) {
+ if (!this.precomputed)
+ return false;
+
+ var doubles = this.precomputed.doubles;
+ if (!doubles)
+ return false;
+
+ return doubles.points.length >= Math.ceil((k.bitLength() + 1) / doubles.step);
+};
+
+BasePoint.prototype._getDoubles = function _getDoubles(step, power) {
+ if (this.precomputed && this.precomputed.doubles)
+ return this.precomputed.doubles;
+
+ var doubles = [ this ];
+ var acc = this;
+ for (var i = 0; i < power; i += step) {
+ for (var j = 0; j < step; j++)
+ acc = acc.dbl();
+ doubles.push(acc);
+ }
+ return {
+ step: step,
+ points: doubles
+ };
+};
+
+BasePoint.prototype._getNAFPoints = function _getNAFPoints(wnd) {
+ if (this.precomputed && this.precomputed.naf)
+ return this.precomputed.naf;
+
+ var res = [ this ];
+ var max = (1 << wnd) - 1;
+ var dbl = max === 1 ? null : this.dbl();
+ for (var i = 1; i < max; i++)
+ res[i] = res[i - 1].add(dbl);
+ return {
+ wnd: wnd,
+ points: res
+ };
+};
+
+BasePoint.prototype._getBeta = function _getBeta() {
+ return null;
+};
+
+BasePoint.prototype.dblp = function dblp(k) {
+ var r = this;
+ for (var i = 0; i < k; i++)
+ r = r.dbl();
+ return r;
+};
+
+},{"../../elliptic":97,"bn.js":81}],99:[function(require,module,exports){
+'use strict';
+
+var curve = require('../curve');
+var elliptic = require('../../elliptic');
+var BN = require('bn.js');
+var inherits = require('inherits');
+var Base = curve.base;
+
+var assert = elliptic.utils.assert;
+
+function EdwardsCurve(conf) {
+ // NOTE: Important as we are creating point in Base.call()
+ this.twisted = (conf.a | 0) !== 1;
+ this.mOneA = this.twisted && (conf.a | 0) === -1;
+ this.extended = this.mOneA;
+
+ Base.call(this, 'edwards', conf);
+
+ this.a = new BN(conf.a, 16).umod(this.red.m);
+ this.a = this.a.toRed(this.red);
+ this.c = new BN(conf.c, 16).toRed(this.red);
+ this.c2 = this.c.redSqr();
+ this.d = new BN(conf.d, 16).toRed(this.red);
+ this.dd = this.d.redAdd(this.d);
+
+ assert(!this.twisted || this.c.fromRed().cmpn(1) === 0);
+ this.oneC = (conf.c | 0) === 1;
+}
+inherits(EdwardsCurve, Base);
+module.exports = EdwardsCurve;
+
+EdwardsCurve.prototype._mulA = function _mulA(num) {
+ if (this.mOneA)
+ return num.redNeg();
+ else
+ return this.a.redMul(num);
+};
+
+EdwardsCurve.prototype._mulC = function _mulC(num) {
+ if (this.oneC)
+ return num;
+ else
+ return this.c.redMul(num);
+};
+
+// Just for compatibility with Short curve
+EdwardsCurve.prototype.jpoint = function jpoint(x, y, z, t) {
+ return this.point(x, y, z, t);
+};
+
+EdwardsCurve.prototype.pointFromX = function pointFromX(x, odd) {
+ x = new BN(x, 16);
+ if (!x.red)
+ x = x.toRed(this.red);
+
+ var x2 = x.redSqr();
+ var rhs = this.c2.redSub(this.a.redMul(x2));
+ var lhs = this.one.redSub(this.c2.redMul(this.d).redMul(x2));
+
+ var y2 = rhs.redMul(lhs.redInvm());
+ var y = y2.redSqrt();
+ if (y.redSqr().redSub(y2).cmp(this.zero) !== 0)
+ throw new Error('invalid point');
+
+ var isOdd = y.fromRed().isOdd();
+ if (odd && !isOdd || !odd && isOdd)
+ y = y.redNeg();
+
+ return this.point(x, y);
+};
+
+EdwardsCurve.prototype.pointFromY = function pointFromY(y, odd) {
+ y = new BN(y, 16);
+ if (!y.red)
+ y = y.toRed(this.red);
+
+ // x^2 = (y^2 - 1) / (d y^2 + 1)
+ var y2 = y.redSqr();
+ var lhs = y2.redSub(this.one);
+ var rhs = y2.redMul(this.d).redAdd(this.one);
+ var x2 = lhs.redMul(rhs.redInvm());
+
+ if (x2.cmp(this.zero) === 0) {
+ if (odd)
+ throw new Error('invalid point');
+ else
+ return this.point(this.zero, y);
+ }
+
+ var x = x2.redSqrt();
+ if (x.redSqr().redSub(x2).cmp(this.zero) !== 0)
+ throw new Error('invalid point');
+
+ if (x.isOdd() !== odd)
+ x = x.redNeg();
+
+ return this.point(x, y);
+};
+
+EdwardsCurve.prototype.validate = function validate(point) {
+ if (point.isInfinity())
+ return true;
+
+ // Curve: A * X^2 + Y^2 = C^2 * (1 + D * X^2 * Y^2)
+ point.normalize();
+
+ var x2 = point.x.redSqr();
+ var y2 = point.y.redSqr();
+ var lhs = x2.redMul(this.a).redAdd(y2);
+ var rhs = this.c2.redMul(this.one.redAdd(this.d.redMul(x2).redMul(y2)));
+
+ return lhs.cmp(rhs) === 0;
+};
+
+function Point(curve, x, y, z, t) {
+ Base.BasePoint.call(this, curve, 'projective');
+ if (x === null && y === null && z === null) {
+ this.x = this.curve.zero;
+ this.y = this.curve.one;
+ this.z = this.curve.one;
+ this.t = this.curve.zero;
+ this.zOne = true;
+ } else {
+ this.x = new BN(x, 16);
+ this.y = new BN(y, 16);
+ this.z = z ? new BN(z, 16) : this.curve.one;
+ this.t = t && new BN(t, 16);
+ if (!this.x.red)
+ this.x = this.x.toRed(this.curve.red);
+ if (!this.y.red)
+ this.y = this.y.toRed(this.curve.red);
+ if (!this.z.red)
+ this.z = this.z.toRed(this.curve.red);
+ if (this.t && !this.t.red)
+ this.t = this.t.toRed(this.curve.red);
+ this.zOne = this.z === this.curve.one;
+
+ // Use extended coordinates
+ if (this.curve.extended && !this.t) {
+ this.t = this.x.redMul(this.y);
+ if (!this.zOne)
+ this.t = this.t.redMul(this.z.redInvm());
+ }
+ }
+}
+inherits(Point, Base.BasePoint);
+
+EdwardsCurve.prototype.pointFromJSON = function pointFromJSON(obj) {
+ return Point.fromJSON(this, obj);
+};
+
+EdwardsCurve.prototype.point = function point(x, y, z, t) {
+ return new Point(this, x, y, z, t);
+};
+
+Point.fromJSON = function fromJSON(curve, obj) {
+ return new Point(curve, obj[0], obj[1], obj[2]);
+};
+
+Point.prototype.inspect = function inspect() {
+ if (this.isInfinity())
+ return '<EC Point Infinity>';
+ return '<EC Point x: ' + this.x.fromRed().toString(16, 2) +
+ ' y: ' + this.y.fromRed().toString(16, 2) +
+ ' z: ' + this.z.fromRed().toString(16, 2) + '>';
+};
+
+Point.prototype.isInfinity = function isInfinity() {
+ // XXX This code assumes that zero is always zero in red
+ return this.x.cmpn(0) === 0 &&
+ this.y.cmp(this.z) === 0;
+};
+
+Point.prototype._extDbl = function _extDbl() {
+ // hyperelliptic.org/EFD/g1p/auto-twisted-extended-1.html
+ // #doubling-dbl-2008-hwcd
+ // 4M + 4S
+
+ // A = X1^2
+ var a = this.x.redSqr();
+ // B = Y1^2
+ var b = this.y.redSqr();
+ // C = 2 * Z1^2
+ var c = this.z.redSqr();
+ c = c.redIAdd(c);
+ // D = a * A
+ var d = this.curve._mulA(a);
+ // E = (X1 + Y1)^2 - A - B
+ var e = this.x.redAdd(this.y).redSqr().redISub(a).redISub(b);
+ // G = D + B
+ var g = d.redAdd(b);
+ // F = G - C
+ var f = g.redSub(c);
+ // H = D - B
+ var h = d.redSub(b);
+ // X3 = E * F
+ var nx = e.redMul(f);
+ // Y3 = G * H
+ var ny = g.redMul(h);
+ // T3 = E * H
+ var nt = e.redMul(h);
+ // Z3 = F * G
+ var nz = f.redMul(g);
+ return this.curve.point(nx, ny, nz, nt);
+};
+
+Point.prototype._projDbl = function _projDbl() {
+ // hyperelliptic.org/EFD/g1p/auto-twisted-projective.html
+ // #doubling-dbl-2008-bbjlp
+ // #doubling-dbl-2007-bl
+ // and others
+ // Generally 3M + 4S or 2M + 4S
+
+ // B = (X1 + Y1)^2
+ var b = this.x.redAdd(this.y).redSqr();
+ // C = X1^2
+ var c = this.x.redSqr();
+ // D = Y1^2
+ var d = this.y.redSqr();
+
+ var nx;
+ var ny;
+ var nz;
+ if (this.curve.twisted) {
+ // E = a * C
+ var e = this.curve._mulA(c);
+ // F = E + D
+ var f = e.redAdd(d);
+ if (this.zOne) {
+ // X3 = (B - C - D) * (F - 2)
+ nx = b.redSub(c).redSub(d).redMul(f.redSub(this.curve.two));
+ // Y3 = F * (E - D)
+ ny = f.redMul(e.redSub(d));
+ // Z3 = F^2 - 2 * F
+ nz = f.redSqr().redSub(f).redSub(f);
+ } else {
+ // H = Z1^2
+ var h = this.z.redSqr();
+ // J = F - 2 * H
+ var j = f.redSub(h).redISub(h);
+ // X3 = (B-C-D)*J
+ nx = b.redSub(c).redISub(d).redMul(j);
+ // Y3 = F * (E - D)
+ ny = f.redMul(e.redSub(d));
+ // Z3 = F * J
+ nz = f.redMul(j);
+ }
+ } else {
+ // E = C + D
+ var e = c.redAdd(d);
+ // H = (c * Z1)^2
+ var h = this.curve._mulC(this.c.redMul(this.z)).redSqr();
+ // J = E - 2 * H
+ var j = e.redSub(h).redSub(h);
+ // X3 = c * (B - E) * J
+ nx = this.curve._mulC(b.redISub(e)).redMul(j);
+ // Y3 = c * E * (C - D)
+ ny = this.curve._mulC(e).redMul(c.redISub(d));
+ // Z3 = E * J
+ nz = e.redMul(j);
+ }
+ return this.curve.point(nx, ny, nz);
+};
+
+Point.prototype.dbl = function dbl() {
+ if (this.isInfinity())
+ return this;
+
+ // Double in extended coordinates
+ if (this.curve.extended)
+ return this._extDbl();
+ else
+ return this._projDbl();
+};
+
+Point.prototype._extAdd = function _extAdd(p) {
+ // hyperelliptic.org/EFD/g1p/auto-twisted-extended-1.html
+ // #addition-add-2008-hwcd-3
+ // 8M
+
+ // A = (Y1 - X1) * (Y2 - X2)
+ var a = this.y.redSub(this.x).redMul(p.y.redSub(p.x));
+ // B = (Y1 + X1) * (Y2 + X2)
+ var b = this.y.redAdd(this.x).redMul(p.y.redAdd(p.x));
+ // C = T1 * k * T2
+ var c = this.t.redMul(this.curve.dd).redMul(p.t);
+ // D = Z1 * 2 * Z2
+ var d = this.z.redMul(p.z.redAdd(p.z));
+ // E = B - A
+ var e = b.redSub(a);
+ // F = D - C
+ var f = d.redSub(c);
+ // G = D + C
+ var g = d.redAdd(c);
+ // H = B + A
+ var h = b.redAdd(a);
+ // X3 = E * F
+ var nx = e.redMul(f);
+ // Y3 = G * H
+ var ny = g.redMul(h);
+ // T3 = E * H
+ var nt = e.redMul(h);
+ // Z3 = F * G
+ var nz = f.redMul(g);
+ return this.curve.point(nx, ny, nz, nt);
+};
+
+Point.prototype._projAdd = function _projAdd(p) {
+ // hyperelliptic.org/EFD/g1p/auto-twisted-projective.html
+ // #addition-add-2008-bbjlp
+ // #addition-add-2007-bl
+ // 10M + 1S
+
+ // A = Z1 * Z2
+ var a = this.z.redMul(p.z);
+ // B = A^2
+ var b = a.redSqr();
+ // C = X1 * X2
+ var c = this.x.redMul(p.x);
+ // D = Y1 * Y2
+ var d = this.y.redMul(p.y);
+ // E = d * C * D
+ var e = this.curve.d.redMul(c).redMul(d);
+ // F = B - E
+ var f = b.redSub(e);
+ // G = B + E
+ var g = b.redAdd(e);
+ // X3 = A * F * ((X1 + Y1) * (X2 + Y2) - C - D)
+ var tmp = this.x.redAdd(this.y).redMul(p.x.redAdd(p.y)).redISub(c).redISub(d);
+ var nx = a.redMul(f).redMul(tmp);
+ var ny;
+ var nz;
+ if (this.curve.twisted) {
+ // Y3 = A * G * (D - a * C)
+ ny = a.redMul(g).redMul(d.redSub(this.curve._mulA(c)));
+ // Z3 = F * G
+ nz = f.redMul(g);
+ } else {
+ // Y3 = A * G * (D - C)
+ ny = a.redMul(g).redMul(d.redSub(c));
+ // Z3 = c * F * G
+ nz = this.curve._mulC(f).redMul(g);
+ }
+ return this.curve.point(nx, ny, nz);
+};
+
+Point.prototype.add = function add(p) {
+ if (this.isInfinity())
+ return p;
+ if (p.isInfinity())
+ return this;
+
+ if (this.curve.extended)
+ return this._extAdd(p);
+ else
+ return this._projAdd(p);
+};
+
+Point.prototype.mul = function mul(k) {
+ if (this._hasDoubles(k))
+ return this.curve._fixedNafMul(this, k);
+ else
+ return this.curve._wnafMul(this, k);
+};
+
+Point.prototype.mulAdd = function mulAdd(k1, p, k2) {
+ return this.curve._wnafMulAdd(1, [ this, p ], [ k1, k2 ], 2, false);
+};
+
+Point.prototype.jmulAdd = function jmulAdd(k1, p, k2) {
+ return this.curve._wnafMulAdd(1, [ this, p ], [ k1, k2 ], 2, true);
+};
+
+Point.prototype.normalize = function normalize() {
+ if (this.zOne)
+ return this;
+
+ // Normalize coordinates
+ var zi = this.z.redInvm();
+ this.x = this.x.redMul(zi);
+ this.y = this.y.redMul(zi);
+ if (this.t)
+ this.t = this.t.redMul(zi);
+ this.z = this.curve.one;
+ this.zOne = true;
+ return this;
+};
+
+Point.prototype.neg = function neg() {
+ return this.curve.point(this.x.redNeg(),
+ this.y,
+ this.z,
+ this.t && this.t.redNeg());
+};
+
+Point.prototype.getX = function getX() {
+ this.normalize();
+ return this.x.fromRed();
+};
+
+Point.prototype.getY = function getY() {
+ this.normalize();
+ return this.y.fromRed();
+};
+
+Point.prototype.eq = function eq(other) {
+ return this === other ||
+ this.getX().cmp(other.getX()) === 0 &&
+ this.getY().cmp(other.getY()) === 0;
+};
+
+Point.prototype.eqXToP = function eqXToP(x) {
+ var rx = x.toRed(this.curve.red).redMul(this.z);
+ if (this.x.cmp(rx) === 0)
+ return true;
+
+ var xc = x.clone();
+ var t = this.curve.redN.redMul(this.z);
+ for (;;) {
+ xc.iadd(this.curve.n);
+ if (xc.cmp(this.curve.p) >= 0)
+ return false;
+
+ rx.redIAdd(t);
+ if (this.x.cmp(rx) === 0)
+ return true;
+ }
+ return false;
+};
+
+// Compatibility with BaseCurve
+Point.prototype.toP = Point.prototype.normalize;
+Point.prototype.mixedAdd = Point.prototype.add;
+
+},{"../../elliptic":97,"../curve":100,"bn.js":81,"inherits":121}],100:[function(require,module,exports){
+'use strict';
+
+var curve = exports;
+
+curve.base = require('./base');
+curve.short = require('./short');
+curve.mont = require('./mont');
+curve.edwards = require('./edwards');
+
+},{"./base":98,"./edwards":99,"./mont":101,"./short":102}],101:[function(require,module,exports){
+'use strict';
+
+var curve = require('../curve');
+var BN = require('bn.js');
+var inherits = require('inherits');
+var Base = curve.base;
+
+var elliptic = require('../../elliptic');
+var utils = elliptic.utils;
+
+function MontCurve(conf) {
+ Base.call(this, 'mont', conf);
+
+ this.a = new BN(conf.a, 16).toRed(this.red);
+ this.b = new BN(conf.b, 16).toRed(this.red);
+ this.i4 = new BN(4).toRed(this.red).redInvm();
+ this.two = new BN(2).toRed(this.red);
+ this.a24 = this.i4.redMul(this.a.redAdd(this.two));
+}
+inherits(MontCurve, Base);
+module.exports = MontCurve;
+
+MontCurve.prototype.validate = function validate(point) {
+ var x = point.normalize().x;
+ var x2 = x.redSqr();
+ var rhs = x2.redMul(x).redAdd(x2.redMul(this.a)).redAdd(x);
+ var y = rhs.redSqrt();
+
+ return y.redSqr().cmp(rhs) === 0;
+};
+
+function Point(curve, x, z) {
+ Base.BasePoint.call(this, curve, 'projective');
+ if (x === null && z === null) {
+ this.x = this.curve.one;
+ this.z = this.curve.zero;
+ } else {
+ this.x = new BN(x, 16);
+ this.z = new BN(z, 16);
+ if (!this.x.red)
+ this.x = this.x.toRed(this.curve.red);
+ if (!this.z.red)
+ this.z = this.z.toRed(this.curve.red);
+ }
+}
+inherits(Point, Base.BasePoint);
+
+MontCurve.prototype.decodePoint = function decodePoint(bytes, enc) {
+ return this.point(utils.toArray(bytes, enc), 1);
+};
+
+MontCurve.prototype.point = function point(x, z) {
+ return new Point(this, x, z);
+};
+
+MontCurve.prototype.pointFromJSON = function pointFromJSON(obj) {
+ return Point.fromJSON(this, obj);
+};
+
+Point.prototype.precompute = function precompute() {
+ // No-op
+};
+
+Point.prototype._encode = function _encode() {
+ return this.getX().toArray('be', this.curve.p.byteLength());
+};
+
+Point.fromJSON = function fromJSON(curve, obj) {
+ return new Point(curve, obj[0], obj[1] || curve.one);
+};
+
+Point.prototype.inspect = function inspect() {
+ if (this.isInfinity())
+ return '<EC Point Infinity>';
+ return '<EC Point x: ' + this.x.fromRed().toString(16, 2) +
+ ' z: ' + this.z.fromRed().toString(16, 2) + '>';
+};
+
+Point.prototype.isInfinity = function isInfinity() {
+ // XXX This code assumes that zero is always zero in red
+ return this.z.cmpn(0) === 0;
+};
+
+Point.prototype.dbl = function dbl() {
+ // http://hyperelliptic.org/EFD/g1p/auto-montgom-xz.html#doubling-dbl-1987-m-3
+ // 2M + 2S + 4A
+
+ // A = X1 + Z1
+ var a = this.x.redAdd(this.z);
+ // AA = A^2
+ var aa = a.redSqr();
+ // B = X1 - Z1
+ var b = this.x.redSub(this.z);
+ // BB = B^2
+ var bb = b.redSqr();
+ // C = AA - BB
+ var c = aa.redSub(bb);
+ // X3 = AA * BB
+ var nx = aa.redMul(bb);
+ // Z3 = C * (BB + A24 * C)
+ var nz = c.redMul(bb.redAdd(this.curve.a24.redMul(c)));
+ return this.curve.point(nx, nz);
+};
+
+Point.prototype.add = function add() {
+ throw new Error('Not supported on Montgomery curve');
+};
+
+Point.prototype.diffAdd = function diffAdd(p, diff) {
+ // http://hyperelliptic.org/EFD/g1p/auto-montgom-xz.html#diffadd-dadd-1987-m-3
+ // 4M + 2S + 6A
+
+ // A = X2 + Z2
+ var a = this.x.redAdd(this.z);
+ // B = X2 - Z2
+ var b = this.x.redSub(this.z);
+ // C = X3 + Z3
+ var c = p.x.redAdd(p.z);
+ // D = X3 - Z3
+ var d = p.x.redSub(p.z);
+ // DA = D * A
+ var da = d.redMul(a);
+ // CB = C * B
+ var cb = c.redMul(b);
+ // X5 = Z1 * (DA + CB)^2
+ var nx = diff.z.redMul(da.redAdd(cb).redSqr());
+ // Z5 = X1 * (DA - CB)^2
+ var nz = diff.x.redMul(da.redISub(cb).redSqr());
+ return this.curve.point(nx, nz);
+};
+
+Point.prototype.mul = function mul(k) {
+ var t = k.clone();
+ var a = this; // (N / 2) * Q + Q
+ var b = this.curve.point(null, null); // (N / 2) * Q
+ var c = this; // Q
+
+ for (var bits = []; t.cmpn(0) !== 0; t.iushrn(1))
+ bits.push(t.andln(1));
+
+ for (var i = bits.length - 1; i >= 0; i--) {
+ if (bits[i] === 0) {
+ // N * Q + Q = ((N / 2) * Q + Q)) + (N / 2) * Q
+ a = a.diffAdd(b, c);
+ // N * Q = 2 * ((N / 2) * Q + Q))
+ b = b.dbl();
+ } else {
+ // N * Q = ((N / 2) * Q + Q) + ((N / 2) * Q)
+ b = a.diffAdd(b, c);
+ // N * Q + Q = 2 * ((N / 2) * Q + Q)
+ a = a.dbl();
+ }
+ }
+ return b;
+};
+
+Point.prototype.mulAdd = function mulAdd() {
+ throw new Error('Not supported on Montgomery curve');
+};
+
+Point.prototype.jumlAdd = function jumlAdd() {
+ throw new Error('Not supported on Montgomery curve');
+};
+
+Point.prototype.eq = function eq(other) {
+ return this.getX().cmp(other.getX()) === 0;
+};
+
+Point.prototype.normalize = function normalize() {
+ this.x = this.x.redMul(this.z.redInvm());
+ this.z = this.curve.one;
+ return this;
+};
+
+Point.prototype.getX = function getX() {
+ // Normalize coordinates
+ this.normalize();
+
+ return this.x.fromRed();
+};
+
+},{"../../elliptic":97,"../curve":100,"bn.js":81,"inherits":121}],102:[function(require,module,exports){
+'use strict';
+
+var curve = require('../curve');
+var elliptic = require('../../elliptic');
+var BN = require('bn.js');
+var inherits = require('inherits');
+var Base = curve.base;
+
+var assert = elliptic.utils.assert;
+
+function ShortCurve(conf) {
+ Base.call(this, 'short', conf);
+
+ this.a = new BN(conf.a, 16).toRed(this.red);
+ this.b = new BN(conf.b, 16).toRed(this.red);
+ this.tinv = this.two.redInvm();
+
+ this.zeroA = this.a.fromRed().cmpn(0) === 0;
+ this.threeA = this.a.fromRed().sub(this.p).cmpn(-3) === 0;
+
+ // If the curve is endomorphic, precalculate beta and lambda
+ this.endo = this._getEndomorphism(conf);
+ this._endoWnafT1 = new Array(4);
+ this._endoWnafT2 = new Array(4);
+}
+inherits(ShortCurve, Base);
+module.exports = ShortCurve;
+
+ShortCurve.prototype._getEndomorphism = function _getEndomorphism(conf) {
+ // No efficient endomorphism
+ if (!this.zeroA || !this.g || !this.n || this.p.modn(3) !== 1)
+ return;
+
+ // Compute beta and lambda, that lambda * P = (beta * Px; Py)
+ var beta;
+ var lambda;
+ if (conf.beta) {
+ beta = new BN(conf.beta, 16).toRed(this.red);
+ } else {
+ var betas = this._getEndoRoots(this.p);
+ // Choose the smallest beta
+ beta = betas[0].cmp(betas[1]) < 0 ? betas[0] : betas[1];
+ beta = beta.toRed(this.red);
+ }
+ if (conf.lambda) {
+ lambda = new BN(conf.lambda, 16);
+ } else {
+ // Choose the lambda that is matching selected beta
+ var lambdas = this._getEndoRoots(this.n);
+ if (this.g.mul(lambdas[0]).x.cmp(this.g.x.redMul(beta)) === 0) {
+ lambda = lambdas[0];
+ } else {
+ lambda = lambdas[1];
+ assert(this.g.mul(lambda).x.cmp(this.g.x.redMul(beta)) === 0);
+ }
+ }
+
+ // Get basis vectors, used for balanced length-two representation
+ var basis;
+ if (conf.basis) {
+ basis = conf.basis.map(function(vec) {
+ return {
+ a: new BN(vec.a, 16),
+ b: new BN(vec.b, 16)
+ };
+ });
+ } else {
+ basis = this._getEndoBasis(lambda);
+ }
+
+ return {
+ beta: beta,
+ lambda: lambda,
+ basis: basis
+ };
+};
+
+ShortCurve.prototype._getEndoRoots = function _getEndoRoots(num) {
+ // Find roots of for x^2 + x + 1 in F
+ // Root = (-1 +- Sqrt(-3)) / 2
+ //
+ var red = num === this.p ? this.red : BN.mont(num);
+ var tinv = new BN(2).toRed(red).redInvm();
+ var ntinv = tinv.redNeg();
+
+ var s = new BN(3).toRed(red).redNeg().redSqrt().redMul(tinv);
+
+ var l1 = ntinv.redAdd(s).fromRed();
+ var l2 = ntinv.redSub(s).fromRed();
+ return [ l1, l2 ];
+};
+
+ShortCurve.prototype._getEndoBasis = function _getEndoBasis(lambda) {
+ // aprxSqrt >= sqrt(this.n)
+ var aprxSqrt = this.n.ushrn(Math.floor(this.n.bitLength() / 2));
+
+ // 3.74
+ // Run EGCD, until r(L + 1) < aprxSqrt
+ var u = lambda;
+ var v = this.n.clone();
+ var x1 = new BN(1);
+ var y1 = new BN(0);
+ var x2 = new BN(0);
+ var y2 = new BN(1);
+
+ // NOTE: all vectors are roots of: a + b * lambda = 0 (mod n)
+ var a0;
+ var b0;
+ // First vector
+ var a1;
+ var b1;
+ // Second vector
+ var a2;
+ var b2;
+
+ var prevR;
+ var i = 0;
+ var r;
+ var x;
+ while (u.cmpn(0) !== 0) {
+ var q = v.div(u);
+ r = v.sub(q.mul(u));
+ x = x2.sub(q.mul(x1));
+ var y = y2.sub(q.mul(y1));
+
+ if (!a1 && r.cmp(aprxSqrt) < 0) {
+ a0 = prevR.neg();
+ b0 = x1;
+ a1 = r.neg();
+ b1 = x;
+ } else if (a1 && ++i === 2) {
+ break;
+ }
+ prevR = r;
+
+ v = u;
+ u = r;
+ x2 = x1;
+ x1 = x;
+ y2 = y1;
+ y1 = y;
+ }
+ a2 = r.neg();
+ b2 = x;
+
+ var len1 = a1.sqr().add(b1.sqr());
+ var len2 = a2.sqr().add(b2.sqr());
+ if (len2.cmp(len1) >= 0) {
+ a2 = a0;
+ b2 = b0;
+ }
+
+ // Normalize signs
+ if (a1.negative) {
+ a1 = a1.neg();
+ b1 = b1.neg();
+ }
+ if (a2.negative) {
+ a2 = a2.neg();
+ b2 = b2.neg();
+ }
+
+ return [
+ { a: a1, b: b1 },
+ { a: a2, b: b2 }
+ ];
+};
+
+ShortCurve.prototype._endoSplit = function _endoSplit(k) {
+ var basis = this.endo.basis;
+ var v1 = basis[0];
+ var v2 = basis[1];
+
+ var c1 = v2.b.mul(k).divRound(this.n);
+ var c2 = v1.b.neg().mul(k).divRound(this.n);
+
+ var p1 = c1.mul(v1.a);
+ var p2 = c2.mul(v2.a);
+ var q1 = c1.mul(v1.b);
+ var q2 = c2.mul(v2.b);
+
+ // Calculate answer
+ var k1 = k.sub(p1).sub(p2);
+ var k2 = q1.add(q2).neg();
+ return { k1: k1, k2: k2 };
+};
+
+ShortCurve.prototype.pointFromX = function pointFromX(x, odd) {
+ x = new BN(x, 16);
+ if (!x.red)
+ x = x.toRed(this.red);
+
+ var y2 = x.redSqr().redMul(x).redIAdd(x.redMul(this.a)).redIAdd(this.b);
+ var y = y2.redSqrt();
+ if (y.redSqr().redSub(y2).cmp(this.zero) !== 0)
+ throw new Error('invalid point');
+
+ // XXX Is there any way to tell if the number is odd without converting it
+ // to non-red form?
+ var isOdd = y.fromRed().isOdd();
+ if (odd && !isOdd || !odd && isOdd)
+ y = y.redNeg();
+
+ return this.point(x, y);
+};
+
+ShortCurve.prototype.validate = function validate(point) {
+ if (point.inf)
+ return true;
+
+ var x = point.x;
+ var y = point.y;
+
+ var ax = this.a.redMul(x);
+ var rhs = x.redSqr().redMul(x).redIAdd(ax).redIAdd(this.b);
+ return y.redSqr().redISub(rhs).cmpn(0) === 0;
+};
+
+ShortCurve.prototype._endoWnafMulAdd =
+ function _endoWnafMulAdd(points, coeffs, jacobianResult) {
+ var npoints = this._endoWnafT1;
+ var ncoeffs = this._endoWnafT2;
+ for (var i = 0; i < points.length; i++) {
+ var split = this._endoSplit(coeffs[i]);
+ var p = points[i];
+ var beta = p._getBeta();
+
+ if (split.k1.negative) {
+ split.k1.ineg();
+ p = p.neg(true);
+ }
+ if (split.k2.negative) {
+ split.k2.ineg();
+ beta = beta.neg(true);
+ }
+
+ npoints[i * 2] = p;
+ npoints[i * 2 + 1] = beta;
+ ncoeffs[i * 2] = split.k1;
+ ncoeffs[i * 2 + 1] = split.k2;
+ }
+ var res = this._wnafMulAdd(1, npoints, ncoeffs, i * 2, jacobianResult);
+
+ // Clean-up references to points and coefficients
+ for (var j = 0; j < i * 2; j++) {
+ npoints[j] = null;
+ ncoeffs[j] = null;
+ }
+ return res;
+};
+
+function Point(curve, x, y, isRed) {
+ Base.BasePoint.call(this, curve, 'affine');
+ if (x === null && y === null) {
+ this.x = null;
+ this.y = null;
+ this.inf = true;
+ } else {
+ this.x = new BN(x, 16);
+ this.y = new BN(y, 16);
+ // Force redgomery representation when loading from JSON
+ if (isRed) {
+ this.x.forceRed(this.curve.red);
+ this.y.forceRed(this.curve.red);
+ }
+ if (!this.x.red)
+ this.x = this.x.toRed(this.curve.red);
+ if (!this.y.red)
+ this.y = this.y.toRed(this.curve.red);
+ this.inf = false;
+ }
+}
+inherits(Point, Base.BasePoint);
+
+ShortCurve.prototype.point = function point(x, y, isRed) {
+ return new Point(this, x, y, isRed);
+};
+
+ShortCurve.prototype.pointFromJSON = function pointFromJSON(obj, red) {
+ return Point.fromJSON(this, obj, red);
+};
+
+Point.prototype._getBeta = function _getBeta() {
+ if (!this.curve.endo)
+ return;
+
+ var pre = this.precomputed;
+ if (pre && pre.beta)
+ return pre.beta;
+
+ var beta = this.curve.point(this.x.redMul(this.curve.endo.beta), this.y);
+ if (pre) {
+ var curve = this.curve;
+ var endoMul = function(p) {
+ return curve.point(p.x.redMul(curve.endo.beta), p.y);
+ };
+ pre.beta = beta;
+ beta.precomputed = {
+ beta: null,
+ naf: pre.naf && {
+ wnd: pre.naf.wnd,
+ points: pre.naf.points.map(endoMul)
+ },
+ doubles: pre.doubles && {
+ step: pre.doubles.step,
+ points: pre.doubles.points.map(endoMul)
+ }
+ };
+ }
+ return beta;
+};
+
+Point.prototype.toJSON = function toJSON() {
+ if (!this.precomputed)
+ return [ this.x, this.y ];
+
+ return [ this.x, this.y, this.precomputed && {
+ doubles: this.precomputed.doubles && {
+ step: this.precomputed.doubles.step,
+ points: this.precomputed.doubles.points.slice(1)
+ },
+ naf: this.precomputed.naf && {
+ wnd: this.precomputed.naf.wnd,
+ points: this.precomputed.naf.points.slice(1)
+ }
+ } ];
+};
+
+Point.fromJSON = function fromJSON(curve, obj, red) {
+ if (typeof obj === 'string')
+ obj = JSON.parse(obj);
+ var res = curve.point(obj[0], obj[1], red);
+ if (!obj[2])
+ return res;
+
+ function obj2point(obj) {
+ return curve.point(obj[0], obj[1], red);
+ }
+
+ var pre = obj[2];
+ res.precomputed = {
+ beta: null,
+ doubles: pre.doubles && {
+ step: pre.doubles.step,
+ points: [ res ].concat(pre.doubles.points.map(obj2point))
+ },
+ naf: pre.naf && {
+ wnd: pre.naf.wnd,
+ points: [ res ].concat(pre.naf.points.map(obj2point))
+ }
+ };
+ return res;
+};
+
+Point.prototype.inspect = function inspect() {
+ if (this.isInfinity())
+ return '<EC Point Infinity>';
+ return '<EC Point x: ' + this.x.fromRed().toString(16, 2) +
+ ' y: ' + this.y.fromRed().toString(16, 2) + '>';
+};
+
+Point.prototype.isInfinity = function isInfinity() {
+ return this.inf;
+};
+
+Point.prototype.add = function add(p) {
+ // O + P = P
+ if (this.inf)
+ return p;
+
+ // P + O = P
+ if (p.inf)
+ return this;
+
+ // P + P = 2P
+ if (this.eq(p))
+ return this.dbl();
+
+ // P + (-P) = O
+ if (this.neg().eq(p))
+ return this.curve.point(null, null);
+
+ // P + Q = O
+ if (this.x.cmp(p.x) === 0)
+ return this.curve.point(null, null);
+
+ var c = this.y.redSub(p.y);
+ if (c.cmpn(0) !== 0)
+ c = c.redMul(this.x.redSub(p.x).redInvm());
+ var nx = c.redSqr().redISub(this.x).redISub(p.x);
+ var ny = c.redMul(this.x.redSub(nx)).redISub(this.y);
+ return this.curve.point(nx, ny);
+};
+
+Point.prototype.dbl = function dbl() {
+ if (this.inf)
+ return this;
+
+ // 2P = O
+ var ys1 = this.y.redAdd(this.y);
+ if (ys1.cmpn(0) === 0)
+ return this.curve.point(null, null);
+
+ var a = this.curve.a;
+
+ var x2 = this.x.redSqr();
+ var dyinv = ys1.redInvm();
+ var c = x2.redAdd(x2).redIAdd(x2).redIAdd(a).redMul(dyinv);
+
+ var nx = c.redSqr().redISub(this.x.redAdd(this.x));
+ var ny = c.redMul(this.x.redSub(nx)).redISub(this.y);
+ return this.curve.point(nx, ny);
+};
+
+Point.prototype.getX = function getX() {
+ return this.x.fromRed();
+};
+
+Point.prototype.getY = function getY() {
+ return this.y.fromRed();
+};
+
+Point.prototype.mul = function mul(k) {
+ k = new BN(k, 16);
+
+ if (this._hasDoubles(k))
+ return this.curve._fixedNafMul(this, k);
+ else if (this.curve.endo)
+ return this.curve._endoWnafMulAdd([ this ], [ k ]);
+ else
+ return this.curve._wnafMul(this, k);
+};
+
+Point.prototype.mulAdd = function mulAdd(k1, p2, k2) {
+ var points = [ this, p2 ];
+ var coeffs = [ k1, k2 ];
+ if (this.curve.endo)
+ return this.curve._endoWnafMulAdd(points, coeffs);
+ else
+ return this.curve._wnafMulAdd(1, points, coeffs, 2);
+};
+
+Point.prototype.jmulAdd = function jmulAdd(k1, p2, k2) {
+ var points = [ this, p2 ];
+ var coeffs = [ k1, k2 ];
+ if (this.curve.endo)
+ return this.curve._endoWnafMulAdd(points, coeffs, true);
+ else
+ return this.curve._wnafMulAdd(1, points, coeffs, 2, true);
+};
+
+Point.prototype.eq = function eq(p) {
+ return this === p ||
+ this.inf === p.inf &&
+ (this.inf || this.x.cmp(p.x) === 0 && this.y.cmp(p.y) === 0);
+};
+
+Point.prototype.neg = function neg(_precompute) {
+ if (this.inf)
+ return this;
+
+ var res = this.curve.point(this.x, this.y.redNeg());
+ if (_precompute && this.precomputed) {
+ var pre = this.precomputed;
+ var negate = function(p) {
+ return p.neg();
+ };
+ res.precomputed = {
+ naf: pre.naf && {
+ wnd: pre.naf.wnd,
+ points: pre.naf.points.map(negate)
+ },
+ doubles: pre.doubles && {
+ step: pre.doubles.step,
+ points: pre.doubles.points.map(negate)
+ }
+ };
+ }
+ return res;
+};
+
+Point.prototype.toJ = function toJ() {
+ if (this.inf)
+ return this.curve.jpoint(null, null, null);
+
+ var res = this.curve.jpoint(this.x, this.y, this.curve.one);
+ return res;
+};
+
+function JPoint(curve, x, y, z) {
+ Base.BasePoint.call(this, curve, 'jacobian');
+ if (x === null && y === null && z === null) {
+ this.x = this.curve.one;
+ this.y = this.curve.one;
+ this.z = new BN(0);
+ } else {
+ this.x = new BN(x, 16);
+ this.y = new BN(y, 16);
+ this.z = new BN(z, 16);
+ }
+ if (!this.x.red)
+ this.x = this.x.toRed(this.curve.red);
+ if (!this.y.red)
+ this.y = this.y.toRed(this.curve.red);
+ if (!this.z.red)
+ this.z = this.z.toRed(this.curve.red);
+
+ this.zOne = this.z === this.curve.one;
+}
+inherits(JPoint, Base.BasePoint);
+
+ShortCurve.prototype.jpoint = function jpoint(x, y, z) {
+ return new JPoint(this, x, y, z);
+};
+
+JPoint.prototype.toP = function toP() {
+ if (this.isInfinity())
+ return this.curve.point(null, null);
+
+ var zinv = this.z.redInvm();
+ var zinv2 = zinv.redSqr();
+ var ax = this.x.redMul(zinv2);
+ var ay = this.y.redMul(zinv2).redMul(zinv);
+
+ return this.curve.point(ax, ay);
+};
+
+JPoint.prototype.neg = function neg() {
+ return this.curve.jpoint(this.x, this.y.redNeg(), this.z);
+};
+
+JPoint.prototype.add = function add(p) {
+ // O + P = P
+ if (this.isInfinity())
+ return p;
+
+ // P + O = P
+ if (p.isInfinity())
+ return this;
+
+ // 12M + 4S + 7A
+ var pz2 = p.z.redSqr();
+ var z2 = this.z.redSqr();
+ var u1 = this.x.redMul(pz2);
+ var u2 = p.x.redMul(z2);
+ var s1 = this.y.redMul(pz2.redMul(p.z));
+ var s2 = p.y.redMul(z2.redMul(this.z));
+
+ var h = u1.redSub(u2);
+ var r = s1.redSub(s2);
+ if (h.cmpn(0) === 0) {
+ if (r.cmpn(0) !== 0)
+ return this.curve.jpoint(null, null, null);
+ else
+ return this.dbl();
+ }
+
+ var h2 = h.redSqr();
+ var h3 = h2.redMul(h);
+ var v = u1.redMul(h2);
+
+ var nx = r.redSqr().redIAdd(h3).redISub(v).redISub(v);
+ var ny = r.redMul(v.redISub(nx)).redISub(s1.redMul(h3));
+ var nz = this.z.redMul(p.z).redMul(h);
+
+ return this.curve.jpoint(nx, ny, nz);
+};
+
+JPoint.prototype.mixedAdd = function mixedAdd(p) {
+ // O + P = P
+ if (this.isInfinity())
+ return p.toJ();
+
+ // P + O = P
+ if (p.isInfinity())
+ return this;
+
+ // 8M + 3S + 7A
+ var z2 = this.z.redSqr();
+ var u1 = this.x;
+ var u2 = p.x.redMul(z2);
+ var s1 = this.y;
+ var s2 = p.y.redMul(z2).redMul(this.z);
+
+ var h = u1.redSub(u2);
+ var r = s1.redSub(s2);
+ if (h.cmpn(0) === 0) {
+ if (r.cmpn(0) !== 0)
+ return this.curve.jpoint(null, null, null);
+ else
+ return this.dbl();
+ }
+
+ var h2 = h.redSqr();
+ var h3 = h2.redMul(h);
+ var v = u1.redMul(h2);
+
+ var nx = r.redSqr().redIAdd(h3).redISub(v).redISub(v);
+ var ny = r.redMul(v.redISub(nx)).redISub(s1.redMul(h3));
+ var nz = this.z.redMul(h);
+
+ return this.curve.jpoint(nx, ny, nz);
+};
+
+JPoint.prototype.dblp = function dblp(pow) {
+ if (pow === 0)
+ return this;
+ if (this.isInfinity())
+ return this;
+ if (!pow)
+ return this.dbl();
+
+ if (this.curve.zeroA || this.curve.threeA) {
+ var r = this;
+ for (var i = 0; i < pow; i++)
+ r = r.dbl();
+ return r;
+ }
+
+ // 1M + 2S + 1A + N * (4S + 5M + 8A)
+ // N = 1 => 6M + 6S + 9A
+ var a = this.curve.a;
+ var tinv = this.curve.tinv;
+
+ var jx = this.x;
+ var jy = this.y;
+ var jz = this.z;
+ var jz4 = jz.redSqr().redSqr();
+
+ // Reuse results
+ var jyd = jy.redAdd(jy);
+ for (var i = 0; i < pow; i++) {
+ var jx2 = jx.redSqr();
+ var jyd2 = jyd.redSqr();
+ var jyd4 = jyd2.redSqr();
+ var c = jx2.redAdd(jx2).redIAdd(jx2).redIAdd(a.redMul(jz4));
+
+ var t1 = jx.redMul(jyd2);
+ var nx = c.redSqr().redISub(t1.redAdd(t1));
+ var t2 = t1.redISub(nx);
+ var dny = c.redMul(t2);
+ dny = dny.redIAdd(dny).redISub(jyd4);
+ var nz = jyd.redMul(jz);
+ if (i + 1 < pow)
+ jz4 = jz4.redMul(jyd4);
+
+ jx = nx;
+ jz = nz;
+ jyd = dny;
+ }
+
+ return this.curve.jpoint(jx, jyd.redMul(tinv), jz);
+};
+
+JPoint.prototype.dbl = function dbl() {
+ if (this.isInfinity())
+ return this;
+
+ if (this.curve.zeroA)
+ return this._zeroDbl();
+ else if (this.curve.threeA)
+ return this._threeDbl();
+ else
+ return this._dbl();
+};
+
+JPoint.prototype._zeroDbl = function _zeroDbl() {
+ var nx;
+ var ny;
+ var nz;
+ // Z = 1
+ if (this.zOne) {
+ // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-0.html
+ // #doubling-mdbl-2007-bl
+ // 1M + 5S + 14A
+
+ // XX = X1^2
+ var xx = this.x.redSqr();
+ // YY = Y1^2
+ var yy = this.y.redSqr();
+ // YYYY = YY^2
+ var yyyy = yy.redSqr();
+ // S = 2 * ((X1 + YY)^2 - XX - YYYY)
+ var s = this.x.redAdd(yy).redSqr().redISub(xx).redISub(yyyy);
+ s = s.redIAdd(s);
+ // M = 3 * XX + a; a = 0
+ var m = xx.redAdd(xx).redIAdd(xx);
+ // T = M ^ 2 - 2*S
+ var t = m.redSqr().redISub(s).redISub(s);
+
+ // 8 * YYYY
+ var yyyy8 = yyyy.redIAdd(yyyy);
+ yyyy8 = yyyy8.redIAdd(yyyy8);
+ yyyy8 = yyyy8.redIAdd(yyyy8);
+
+ // X3 = T
+ nx = t;
+ // Y3 = M * (S - T) - 8 * YYYY
+ ny = m.redMul(s.redISub(t)).redISub(yyyy8);
+ // Z3 = 2*Y1
+ nz = this.y.redAdd(this.y);
+ } else {
+ // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-0.html
+ // #doubling-dbl-2009-l
+ // 2M + 5S + 13A
+
+ // A = X1^2
+ var a = this.x.redSqr();
+ // B = Y1^2
+ var b = this.y.redSqr();
+ // C = B^2
+ var c = b.redSqr();
+ // D = 2 * ((X1 + B)^2 - A - C)
+ var d = this.x.redAdd(b).redSqr().redISub(a).redISub(c);
+ d = d.redIAdd(d);
+ // E = 3 * A
+ var e = a.redAdd(a).redIAdd(a);
+ // F = E^2
+ var f = e.redSqr();
+
+ // 8 * C
+ var c8 = c.redIAdd(c);
+ c8 = c8.redIAdd(c8);
+ c8 = c8.redIAdd(c8);
+
+ // X3 = F - 2 * D
+ nx = f.redISub(d).redISub(d);
+ // Y3 = E * (D - X3) - 8 * C
+ ny = e.redMul(d.redISub(nx)).redISub(c8);
+ // Z3 = 2 * Y1 * Z1
+ nz = this.y.redMul(this.z);
+ nz = nz.redIAdd(nz);
+ }
+
+ return this.curve.jpoint(nx, ny, nz);
+};
+
+JPoint.prototype._threeDbl = function _threeDbl() {
+ var nx;
+ var ny;
+ var nz;
+ // Z = 1
+ if (this.zOne) {
+ // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-3.html
+ // #doubling-mdbl-2007-bl
+ // 1M + 5S + 15A
+
+ // XX = X1^2
+ var xx = this.x.redSqr();
+ // YY = Y1^2
+ var yy = this.y.redSqr();
+ // YYYY = YY^2
+ var yyyy = yy.redSqr();
+ // S = 2 * ((X1 + YY)^2 - XX - YYYY)
+ var s = this.x.redAdd(yy).redSqr().redISub(xx).redISub(yyyy);
+ s = s.redIAdd(s);
+ // M = 3 * XX + a
+ var m = xx.redAdd(xx).redIAdd(xx).redIAdd(this.curve.a);
+ // T = M^2 - 2 * S
+ var t = m.redSqr().redISub(s).redISub(s);
+ // X3 = T
+ nx = t;
+ // Y3 = M * (S - T) - 8 * YYYY
+ var yyyy8 = yyyy.redIAdd(yyyy);
+ yyyy8 = yyyy8.redIAdd(yyyy8);
+ yyyy8 = yyyy8.redIAdd(yyyy8);
+ ny = m.redMul(s.redISub(t)).redISub(yyyy8);
+ // Z3 = 2 * Y1
+ nz = this.y.redAdd(this.y);
+ } else {
+ // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-3.html#doubling-dbl-2001-b
+ // 3M + 5S
+
+ // delta = Z1^2
+ var delta = this.z.redSqr();
+ // gamma = Y1^2
+ var gamma = this.y.redSqr();
+ // beta = X1 * gamma
+ var beta = this.x.redMul(gamma);
+ // alpha = 3 * (X1 - delta) * (X1 + delta)
+ var alpha = this.x.redSub(delta).redMul(this.x.redAdd(delta));
+ alpha = alpha.redAdd(alpha).redIAdd(alpha);
+ // X3 = alpha^2 - 8 * beta
+ var beta4 = beta.redIAdd(beta);
+ beta4 = beta4.redIAdd(beta4);
+ var beta8 = beta4.redAdd(beta4);
+ nx = alpha.redSqr().redISub(beta8);
+ // Z3 = (Y1 + Z1)^2 - gamma - delta
+ nz = this.y.redAdd(this.z).redSqr().redISub(gamma).redISub(delta);
+ // Y3 = alpha * (4 * beta - X3) - 8 * gamma^2
+ var ggamma8 = gamma.redSqr();
+ ggamma8 = ggamma8.redIAdd(ggamma8);
+ ggamma8 = ggamma8.redIAdd(ggamma8);
+ ggamma8 = ggamma8.redIAdd(ggamma8);
+ ny = alpha.redMul(beta4.redISub(nx)).redISub(ggamma8);
+ }
+
+ return this.curve.jpoint(nx, ny, nz);
+};
+
+JPoint.prototype._dbl = function _dbl() {
+ var a = this.curve.a;
+
+ // 4M + 6S + 10A
+ var jx = this.x;
+ var jy = this.y;
+ var jz = this.z;
+ var jz4 = jz.redSqr().redSqr();
+
+ var jx2 = jx.redSqr();
+ var jy2 = jy.redSqr();
+
+ var c = jx2.redAdd(jx2).redIAdd(jx2).redIAdd(a.redMul(jz4));
+
+ var jxd4 = jx.redAdd(jx);
+ jxd4 = jxd4.redIAdd(jxd4);
+ var t1 = jxd4.redMul(jy2);
+ var nx = c.redSqr().redISub(t1.redAdd(t1));
+ var t2 = t1.redISub(nx);
+
+ var jyd8 = jy2.redSqr();
+ jyd8 = jyd8.redIAdd(jyd8);
+ jyd8 = jyd8.redIAdd(jyd8);
+ jyd8 = jyd8.redIAdd(jyd8);
+ var ny = c.redMul(t2).redISub(jyd8);
+ var nz = jy.redAdd(jy).redMul(jz);
+
+ return this.curve.jpoint(nx, ny, nz);
+};
+
+JPoint.prototype.trpl = function trpl() {
+ if (!this.curve.zeroA)
+ return this.dbl().add(this);
+
+ // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-0.html#tripling-tpl-2007-bl
+ // 5M + 10S + ...
+
+ // XX = X1^2
+ var xx = this.x.redSqr();
+ // YY = Y1^2
+ var yy = this.y.redSqr();
+ // ZZ = Z1^2
+ var zz = this.z.redSqr();
+ // YYYY = YY^2
+ var yyyy = yy.redSqr();
+ // M = 3 * XX + a * ZZ2; a = 0
+ var m = xx.redAdd(xx).redIAdd(xx);
+ // MM = M^2
+ var mm = m.redSqr();
+ // E = 6 * ((X1 + YY)^2 - XX - YYYY) - MM
+ var e = this.x.redAdd(yy).redSqr().redISub(xx).redISub(yyyy);
+ e = e.redIAdd(e);
+ e = e.redAdd(e).redIAdd(e);
+ e = e.redISub(mm);
+ // EE = E^2
+ var ee = e.redSqr();
+ // T = 16*YYYY
+ var t = yyyy.redIAdd(yyyy);
+ t = t.redIAdd(t);
+ t = t.redIAdd(t);
+ t = t.redIAdd(t);
+ // U = (M + E)^2 - MM - EE - T
+ var u = m.redIAdd(e).redSqr().redISub(mm).redISub(ee).redISub(t);
+ // X3 = 4 * (X1 * EE - 4 * YY * U)
+ var yyu4 = yy.redMul(u);
+ yyu4 = yyu4.redIAdd(yyu4);
+ yyu4 = yyu4.redIAdd(yyu4);
+ var nx = this.x.redMul(ee).redISub(yyu4);
+ nx = nx.redIAdd(nx);
+ nx = nx.redIAdd(nx);
+ // Y3 = 8 * Y1 * (U * (T - U) - E * EE)
+ var ny = this.y.redMul(u.redMul(t.redISub(u)).redISub(e.redMul(ee)));
+ ny = ny.redIAdd(ny);
+ ny = ny.redIAdd(ny);
+ ny = ny.redIAdd(ny);
+ // Z3 = (Z1 + E)^2 - ZZ - EE
+ var nz = this.z.redAdd(e).redSqr().redISub(zz).redISub(ee);
+
+ return this.curve.jpoint(nx, ny, nz);
+};
+
+JPoint.prototype.mul = function mul(k, kbase) {
+ k = new BN(k, kbase);
+
+ return this.curve._wnafMul(this, k);
+};
+
+JPoint.prototype.eq = function eq(p) {
+ if (p.type === 'affine')
+ return this.eq(p.toJ());
+
+ if (this === p)
+ return true;
+
+ // x1 * z2^2 == x2 * z1^2
+ var z2 = this.z.redSqr();
+ var pz2 = p.z.redSqr();
+ if (this.x.redMul(pz2).redISub(p.x.redMul(z2)).cmpn(0) !== 0)
+ return false;
+
+ // y1 * z2^3 == y2 * z1^3
+ var z3 = z2.redMul(this.z);
+ var pz3 = pz2.redMul(p.z);
+ return this.y.redMul(pz3).redISub(p.y.redMul(z3)).cmpn(0) === 0;
+};
+
+JPoint.prototype.eqXToP = function eqXToP(x) {
+ var zs = this.z.redSqr();
+ var rx = x.toRed(this.curve.red).redMul(zs);
+ if (this.x.cmp(rx) === 0)
+ return true;
+
+ var xc = x.clone();
+ var t = this.curve.redN.redMul(zs);
+ for (;;) {
+ xc.iadd(this.curve.n);
+ if (xc.cmp(this.curve.p) >= 0)
+ return false;
+
+ rx.redIAdd(t);
+ if (this.x.cmp(rx) === 0)
+ return true;
+ }
+ return false;
+};
+
+JPoint.prototype.inspect = function inspect() {
+ if (this.isInfinity())
+ return '<EC JPoint Infinity>';
+ return '<EC JPoint x: ' + this.x.toString(16, 2) +
+ ' y: ' + this.y.toString(16, 2) +
+ ' z: ' + this.z.toString(16, 2) + '>';
+};
+
+JPoint.prototype.isInfinity = function isInfinity() {
+ // XXX This code assumes that zero is always zero in red
+ return this.z.cmpn(0) === 0;
+};
+
+},{"../../elliptic":97,"../curve":100,"bn.js":81,"inherits":121}],103:[function(require,module,exports){
+'use strict';
+
+var curves = exports;
+
+var hash = require('hash.js');
+var elliptic = require('../elliptic');
+
+var assert = elliptic.utils.assert;
+
+function PresetCurve(options) {
+ if (options.type === 'short')
+ this.curve = new elliptic.curve.short(options);
+ else if (options.type === 'edwards')
+ this.curve = new elliptic.curve.edwards(options);
+ else
+ this.curve = new elliptic.curve.mont(options);
+ this.g = this.curve.g;
+ this.n = this.curve.n;
+ this.hash = options.hash;
+
+ assert(this.g.validate(), 'Invalid curve');
+ assert(this.g.mul(this.n).isInfinity(), 'Invalid curve, G*N != O');
+}
+curves.PresetCurve = PresetCurve;
+
+function defineCurve(name, options) {
+ Object.defineProperty(curves, name, {
+ configurable: true,
+ enumerable: true,
+ get: function() {
+ var curve = new PresetCurve(options);
+ Object.defineProperty(curves, name, {
+ configurable: true,
+ enumerable: true,
+ value: curve
+ });
+ return curve;
+ }
+ });
+}
+
+defineCurve('p192', {
+ type: 'short',
+ prime: 'p192',
+ p: 'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff',
+ a: 'ffffffff ffffffff ffffffff fffffffe ffffffff fffffffc',
+ b: '64210519 e59c80e7 0fa7e9ab 72243049 feb8deec c146b9b1',
+ n: 'ffffffff ffffffff ffffffff 99def836 146bc9b1 b4d22831',
+ hash: hash.sha256,
+ gRed: false,
+ g: [
+ '188da80e b03090f6 7cbf20eb 43a18800 f4ff0afd 82ff1012',
+ '07192b95 ffc8da78 631011ed 6b24cdd5 73f977a1 1e794811'
+ ]
+});
+
+defineCurve('p224', {
+ type: 'short',
+ prime: 'p224',
+ p: 'ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001',
+ a: 'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff fffffffe',
+ b: 'b4050a85 0c04b3ab f5413256 5044b0b7 d7bfd8ba 270b3943 2355ffb4',
+ n: 'ffffffff ffffffff ffffffff ffff16a2 e0b8f03e 13dd2945 5c5c2a3d',
+ hash: hash.sha256,
+ gRed: false,
+ g: [
+ 'b70e0cbd 6bb4bf7f 321390b9 4a03c1d3 56c21122 343280d6 115c1d21',
+ 'bd376388 b5f723fb 4c22dfe6 cd4375a0 5a074764 44d58199 85007e34'
+ ]
+});
+
+defineCurve('p256', {
+ type: 'short',
+ prime: null,
+ p: 'ffffffff 00000001 00000000 00000000 00000000 ffffffff ffffffff ffffffff',
+ a: 'ffffffff 00000001 00000000 00000000 00000000 ffffffff ffffffff fffffffc',
+ b: '5ac635d8 aa3a93e7 b3ebbd55 769886bc 651d06b0 cc53b0f6 3bce3c3e 27d2604b',
+ n: 'ffffffff 00000000 ffffffff ffffffff bce6faad a7179e84 f3b9cac2 fc632551',
+ hash: hash.sha256,
+ gRed: false,
+ g: [
+ '6b17d1f2 e12c4247 f8bce6e5 63a440f2 77037d81 2deb33a0 f4a13945 d898c296',
+ '4fe342e2 fe1a7f9b 8ee7eb4a 7c0f9e16 2bce3357 6b315ece cbb64068 37bf51f5'
+ ]
+});
+
+defineCurve('p384', {
+ type: 'short',
+ prime: null,
+ p: 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
+ 'fffffffe ffffffff 00000000 00000000 ffffffff',
+ a: 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
+ 'fffffffe ffffffff 00000000 00000000 fffffffc',
+ b: 'b3312fa7 e23ee7e4 988e056b e3f82d19 181d9c6e fe814112 0314088f ' +
+ '5013875a c656398d 8a2ed19d 2a85c8ed d3ec2aef',
+ n: 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff c7634d81 ' +
+ 'f4372ddf 581a0db2 48b0a77a ecec196a ccc52973',
+ hash: hash.sha384,
+ gRed: false,
+ g: [
+ 'aa87ca22 be8b0537 8eb1c71e f320ad74 6e1d3b62 8ba79b98 59f741e0 82542a38 ' +
+ '5502f25d bf55296c 3a545e38 72760ab7',
+ '3617de4a 96262c6f 5d9e98bf 9292dc29 f8f41dbd 289a147c e9da3113 b5f0b8c0 ' +
+ '0a60b1ce 1d7e819d 7a431d7c 90ea0e5f'
+ ]
+});
+
+defineCurve('p521', {
+ type: 'short',
+ prime: null,
+ p: '000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
+ 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
+ 'ffffffff ffffffff ffffffff ffffffff ffffffff',
+ a: '000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
+ 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
+ 'ffffffff ffffffff ffffffff ffffffff fffffffc',
+ b: '00000051 953eb961 8e1c9a1f 929a21a0 b68540ee a2da725b ' +
+ '99b315f3 b8b48991 8ef109e1 56193951 ec7e937b 1652c0bd ' +
+ '3bb1bf07 3573df88 3d2c34f1 ef451fd4 6b503f00',
+ n: '000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
+ 'ffffffff ffffffff fffffffa 51868783 bf2f966b 7fcc0148 ' +
+ 'f709a5d0 3bb5c9b8 899c47ae bb6fb71e 91386409',
+ hash: hash.sha512,
+ gRed: false,
+ g: [
+ '000000c6 858e06b7 0404e9cd 9e3ecb66 2395b442 9c648139 ' +
+ '053fb521 f828af60 6b4d3dba a14b5e77 efe75928 fe1dc127 ' +
+ 'a2ffa8de 3348b3c1 856a429b f97e7e31 c2e5bd66',
+ '00000118 39296a78 9a3bc004 5c8a5fb4 2c7d1bd9 98f54449 ' +
+ '579b4468 17afbd17 273e662c 97ee7299 5ef42640 c550b901 ' +
+ '3fad0761 353c7086 a272c240 88be9476 9fd16650'
+ ]
+});
+
+defineCurve('curve25519', {
+ type: 'mont',
+ prime: 'p25519',
+ p: '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed',
+ a: '76d06',
+ b: '1',
+ n: '1000000000000000 0000000000000000 14def9dea2f79cd6 5812631a5cf5d3ed',
+ hash: hash.sha256,
+ gRed: false,
+ g: [
+ '9'
+ ]
+});
+
+defineCurve('ed25519', {
+ type: 'edwards',
+ prime: 'p25519',
+ p: '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed',
+ a: '-1',
+ c: '1',
+ // -121665 * (121666^(-1)) (mod P)
+ d: '52036cee2b6ffe73 8cc740797779e898 00700a4d4141d8ab 75eb4dca135978a3',
+ n: '1000000000000000 0000000000000000 14def9dea2f79cd6 5812631a5cf5d3ed',
+ hash: hash.sha256,
+ gRed: false,
+ g: [
+ '216936d3cd6e53fec0a4e231fdd6dc5c692cc7609525a7b2c9562d608f25d51a',
+
+ // 4/5
+ '6666666666666666666666666666666666666666666666666666666666666658'
+ ]
+});
+
+var pre;
+try {
+ pre = require('./precomputed/secp256k1');
+} catch (e) {
+ pre = undefined;
+}
+
+defineCurve('secp256k1', {
+ type: 'short',
+ prime: 'k256',
+ p: 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f',
+ a: '0',
+ b: '7',
+ n: 'ffffffff ffffffff ffffffff fffffffe baaedce6 af48a03b bfd25e8c d0364141',
+ h: '1',
+ hash: hash.sha256,
+
+ // Precomputed endomorphism
+ beta: '7ae96a2b657c07106e64479eac3434e99cf0497512f58995c1396c28719501ee',
+ lambda: '5363ad4cc05c30e0a5261c028812645a122e22ea20816678df02967c1b23bd72',
+ basis: [
+ {
+ a: '3086d221a7d46bcde86c90e49284eb15',
+ b: '-e4437ed6010e88286f547fa90abfe4c3'
+ },
+ {
+ a: '114ca50f7a8e2f3f657c1108d9d44cfd8',
+ b: '3086d221a7d46bcde86c90e49284eb15'
+ }
+ ],
+
+ gRed: false,
+ g: [
+ '79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798',
+ '483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8',
+ pre
+ ]
+});
+
+},{"../elliptic":97,"./precomputed/secp256k1":110,"hash.js":114}],104:[function(require,module,exports){
+'use strict';
+
+var BN = require('bn.js');
+var HmacDRBG = require('hmac-drbg');
+var elliptic = require('../../elliptic');
+var utils = elliptic.utils;
+var assert = utils.assert;
+
+var KeyPair = require('./key');
+var Signature = require('./signature');
+
+function EC(options) {
+ if (!(this instanceof EC))
+ return new EC(options);
+
+ // Shortcut `elliptic.ec(curve-name)`
+ if (typeof options === 'string') {
+ assert(elliptic.curves.hasOwnProperty(options), 'Unknown curve ' + options);
+
+ options = elliptic.curves[options];
+ }
+
+ // Shortcut for `elliptic.ec(elliptic.curves.curveName)`
+ if (options instanceof elliptic.curves.PresetCurve)
+ options = { curve: options };
+
+ this.curve = options.curve.curve;
+ this.n = this.curve.n;
+ this.nh = this.n.ushrn(1);
+ this.g = this.curve.g;
+
+ // Point on curve
+ this.g = options.curve.g;
+ this.g.precompute(options.curve.n.bitLength() + 1);
+
+ // Hash for function for DRBG
+ this.hash = options.hash || options.curve.hash;
+}
+module.exports = EC;
+
+EC.prototype.keyPair = function keyPair(options) {
+ return new KeyPair(this, options);
+};
+
+EC.prototype.keyFromPrivate = function keyFromPrivate(priv, enc) {
+ return KeyPair.fromPrivate(this, priv, enc);
+};
+
+EC.prototype.keyFromPublic = function keyFromPublic(pub, enc) {
+ return KeyPair.fromPublic(this, pub, enc);
+};
+
+EC.prototype.genKeyPair = function genKeyPair(options) {
+ if (!options)
+ options = {};
+
+ // Instantiate Hmac_DRBG
+ var drbg = new HmacDRBG({
+ hash: this.hash,
+ pers: options.pers,
+ persEnc: options.persEnc || 'utf8',
+ entropy: options.entropy || elliptic.rand(this.hash.hmacStrength),
+ entropyEnc: options.entropy && options.entropyEnc || 'utf8',
+ nonce: this.n.toArray()
+ });
+
+ var bytes = this.n.byteLength();
+ var ns2 = this.n.sub(new BN(2));
+ do {
+ var priv = new BN(drbg.generate(bytes));
+ if (priv.cmp(ns2) > 0)
+ continue;
+
+ priv.iaddn(1);
+ return this.keyFromPrivate(priv);
+ } while (true);
+};
+
+EC.prototype._truncateToN = function truncateToN(msg, truncOnly) {
+ var delta = msg.byteLength() * 8 - this.n.bitLength();
+ if (delta > 0)
+ msg = msg.ushrn(delta);
+ if (!truncOnly && msg.cmp(this.n) >= 0)
+ return msg.sub(this.n);
+ else
+ return msg;
+};
+
+EC.prototype.sign = function sign(msg, key, enc, options) {
+ if (typeof enc === 'object') {
+ options = enc;
+ enc = null;
+ }
+ if (!options)
+ options = {};
+
+ key = this.keyFromPrivate(key, enc);
+ msg = this._truncateToN(new BN(msg, 16));
+
+ // Zero-extend key to provide enough entropy
+ var bytes = this.n.byteLength();
+ var bkey = key.getPrivate().toArray('be', bytes);
+
+ // Zero-extend nonce to have the same byte size as N
+ var nonce = msg.toArray('be', bytes);
+
+ // Instantiate Hmac_DRBG
+ var drbg = new HmacDRBG({
+ hash: this.hash,
+ entropy: bkey,
+ nonce: nonce,
+ pers: options.pers,
+ persEnc: options.persEnc || 'utf8'
+ });
+
+ // Number of bytes to generate
+ var ns1 = this.n.sub(new BN(1));
+
+ for (var iter = 0; true; iter++) {
+ var k = options.k ?
+ options.k(iter) :
+ new BN(drbg.generate(this.n.byteLength()));
+ k = this._truncateToN(k, true);
+ if (k.cmpn(1) <= 0 || k.cmp(ns1) >= 0)
+ continue;
+
+ var kp = this.g.mul(k);
+ if (kp.isInfinity())
+ continue;
+
+ var kpX = kp.getX();
+ var r = kpX.umod(this.n);
+ if (r.cmpn(0) === 0)
+ continue;
+
+ var s = k.invm(this.n).mul(r.mul(key.getPrivate()).iadd(msg));
+ s = s.umod(this.n);
+ if (s.cmpn(0) === 0)
+ continue;
+
+ var recoveryParam = (kp.getY().isOdd() ? 1 : 0) |
+ (kpX.cmp(r) !== 0 ? 2 : 0);
+
+ // Use complement of `s`, if it is > `n / 2`
+ if (options.canonical && s.cmp(this.nh) > 0) {
+ s = this.n.sub(s);
+ recoveryParam ^= 1;
+ }
+
+ return new Signature({ r: r, s: s, recoveryParam: recoveryParam });
+ }
+};
+
+EC.prototype.verify = function verify(msg, signature, key, enc) {
+ msg = this._truncateToN(new BN(msg, 16));
+ key = this.keyFromPublic(key, enc);
+ signature = new Signature(signature, 'hex');
+
+ // Perform primitive values validation
+ var r = signature.r;
+ var s = signature.s;
+ if (r.cmpn(1) < 0 || r.cmp(this.n) >= 0)
+ return false;
+ if (s.cmpn(1) < 0 || s.cmp(this.n) >= 0)
+ return false;
+
+ // Validate signature
+ var sinv = s.invm(this.n);
+ var u1 = sinv.mul(msg).umod(this.n);
+ var u2 = sinv.mul(r).umod(this.n);
+
+ if (!this.curve._maxwellTrick) {
+ var p = this.g.mulAdd(u1, key.getPublic(), u2);
+ if (p.isInfinity())
+ return false;
+
+ return p.getX().umod(this.n).cmp(r) === 0;
+ }
+
+ // NOTE: Greg Maxwell's trick, inspired by:
+ // https://git.io/vad3K
+
+ var p = this.g.jmulAdd(u1, key.getPublic(), u2);
+ if (p.isInfinity())
+ return false;
+
+ // Compare `p.x` of Jacobian point with `r`,
+ // this will do `p.x == r * p.z^2` instead of multiplying `p.x` by the
+ // inverse of `p.z^2`
+ return p.eqXToP(r);
+};
+
+EC.prototype.recoverPubKey = function(msg, signature, j, enc) {
+ assert((3 & j) === j, 'The recovery param is more than two bits');
+ signature = new Signature(signature, enc);
+
+ var n = this.n;
+ var e = new BN(msg);
+ var r = signature.r;
+ var s = signature.s;
+
+ // A set LSB signifies that the y-coordinate is odd
+ var isYOdd = j & 1;
+ var isSecondKey = j >> 1;
+ if (r.cmp(this.curve.p.umod(this.curve.n)) >= 0 && isSecondKey)
+ throw new Error('Unable to find sencond key candinate');
+
+ // 1.1. Let x = r + jn.
+ if (isSecondKey)
+ r = this.curve.pointFromX(r.add(this.curve.n), isYOdd);
+ else
+ r = this.curve.pointFromX(r, isYOdd);
+
+ var rInv = signature.r.invm(n);
+ var s1 = n.sub(e).mul(rInv).umod(n);
+ var s2 = s.mul(rInv).umod(n);
+
+ // 1.6.1 Compute Q = r^-1 (sR - eG)
+ // Q = r^-1 (sR + -eG)
+ return this.g.mulAdd(s1, r, s2);
+};
+
+EC.prototype.getKeyRecoveryParam = function(e, signature, Q, enc) {
+ signature = new Signature(signature, enc);
+ if (signature.recoveryParam !== null)
+ return signature.recoveryParam;
+
+ for (var i = 0; i < 4; i++) {
+ var Qprime;
+ try {
+ Qprime = this.recoverPubKey(e, signature, i);
+ } catch (e) {
+ continue;
+ }
+
+ if (Qprime.eq(Q))
+ return i;
+ }
+ throw new Error('Unable to find valid recovery factor');
+};
+
+},{"../../elliptic":97,"./key":105,"./signature":106,"bn.js":81,"hmac-drbg":120}],105:[function(require,module,exports){
+'use strict';
+
+var BN = require('bn.js');
+var elliptic = require('../../elliptic');
+var utils = elliptic.utils;
+var assert = utils.assert;
+
+function KeyPair(ec, options) {
+ this.ec = ec;
+ this.priv = null;
+ this.pub = null;
+
+ // KeyPair(ec, { priv: ..., pub: ... })
+ if (options.priv)
+ this._importPrivate(options.priv, options.privEnc);
+ if (options.pub)
+ this._importPublic(options.pub, options.pubEnc);
+}
+module.exports = KeyPair;
+
+KeyPair.fromPublic = function fromPublic(ec, pub, enc) {
+ if (pub instanceof KeyPair)
+ return pub;
+
+ return new KeyPair(ec, {
+ pub: pub,
+ pubEnc: enc
+ });
+};
+
+KeyPair.fromPrivate = function fromPrivate(ec, priv, enc) {
+ if (priv instanceof KeyPair)
+ return priv;
+
+ return new KeyPair(ec, {
+ priv: priv,
+ privEnc: enc
+ });
+};
+
+KeyPair.prototype.validate = function validate() {
+ var pub = this.getPublic();
+
+ if (pub.isInfinity())
+ return { result: false, reason: 'Invalid public key' };
+ if (!pub.validate())
+ return { result: false, reason: 'Public key is not a point' };
+ if (!pub.mul(this.ec.curve.n).isInfinity())
+ return { result: false, reason: 'Public key * N != O' };
+
+ return { result: true, reason: null };
+};
+
+KeyPair.prototype.getPublic = function getPublic(compact, enc) {
+ // compact is optional argument
+ if (typeof compact === 'string') {
+ enc = compact;
+ compact = null;
+ }
+
+ if (!this.pub)
+ this.pub = this.ec.g.mul(this.priv);
+
+ if (!enc)
+ return this.pub;
+
+ return this.pub.encode(enc, compact);
+};
+
+KeyPair.prototype.getPrivate = function getPrivate(enc) {
+ if (enc === 'hex')
+ return this.priv.toString(16, 2);
+ else
+ return this.priv;
+};
+
+KeyPair.prototype._importPrivate = function _importPrivate(key, enc) {
+ this.priv = new BN(key, enc || 16);
+
+ // Ensure that the priv won't be bigger than n, otherwise we may fail
+ // in fixed multiplication method
+ this.priv = this.priv.umod(this.ec.curve.n);
+};
+
+KeyPair.prototype._importPublic = function _importPublic(key, enc) {
+ if (key.x || key.y) {
+ // Montgomery points only have an `x` coordinate.
+ // Weierstrass/Edwards points on the other hand have both `x` and
+ // `y` coordinates.
+ if (this.ec.curve.type === 'mont') {
+ assert(key.x, 'Need x coordinate');
+ } else if (this.ec.curve.type === 'short' ||
+ this.ec.curve.type === 'edwards') {
+ assert(key.x && key.y, 'Need both x and y coordinate');
+ }
+ this.pub = this.ec.curve.point(key.x, key.y);
+ return;
+ }
+ this.pub = this.ec.curve.decodePoint(key, enc);
+};
+
+// ECDH
+KeyPair.prototype.derive = function derive(pub) {
+ return pub.mul(this.priv).getX();
+};
+
+// ECDSA
+KeyPair.prototype.sign = function sign(msg, enc, options) {
+ return this.ec.sign(msg, this, enc, options);
+};
+
+KeyPair.prototype.verify = function verify(msg, signature) {
+ return this.ec.verify(msg, signature, this);
+};
+
+KeyPair.prototype.inspect = function inspect() {
+ return '<Key priv: ' + (this.priv && this.priv.toString(16, 2)) +
+ ' pub: ' + (this.pub && this.pub.inspect()) + ' >';
+};
+
+},{"../../elliptic":97,"bn.js":81}],106:[function(require,module,exports){
+'use strict';
+
+var BN = require('bn.js');
+
+var elliptic = require('../../elliptic');
+var utils = elliptic.utils;
+var assert = utils.assert;
+
+function Signature(options, enc) {
+ if (options instanceof Signature)
+ return options;
+
+ if (this._importDER(options, enc))
+ return;
+
+ assert(options.r && options.s, 'Signature without r or s');
+ this.r = new BN(options.r, 16);
+ this.s = new BN(options.s, 16);
+ if (options.recoveryParam === undefined)
+ this.recoveryParam = null;
+ else
+ this.recoveryParam = options.recoveryParam;
+}
+module.exports = Signature;
+
+function Position() {
+ this.place = 0;
+}
+
+function getLength(buf, p) {
+ var initial = buf[p.place++];
+ if (!(initial & 0x80)) {
+ return initial;
+ }
+ var octetLen = initial & 0xf;
+ var val = 0;
+ for (var i = 0, off = p.place; i < octetLen; i++, off++) {
+ val <<= 8;
+ val |= buf[off];
+ }
+ p.place = off;
+ return val;
+}
+
+function rmPadding(buf) {
+ var i = 0;
+ var len = buf.length - 1;
+ while (!buf[i] && !(buf[i + 1] & 0x80) && i < len) {
+ i++;
+ }
+ if (i === 0) {
+ return buf;
+ }
+ return buf.slice(i);
+}
+
+Signature.prototype._importDER = function _importDER(data, enc) {
+ data = utils.toArray(data, enc);
+ var p = new Position();
+ if (data[p.place++] !== 0x30) {
+ return false;
+ }
+ var len = getLength(data, p);
+ if ((len + p.place) !== data.length) {
+ return false;
+ }
+ if (data[p.place++] !== 0x02) {
+ return false;
+ }
+ var rlen = getLength(data, p);
+ var r = data.slice(p.place, rlen + p.place);
+ p.place += rlen;
+ if (data[p.place++] !== 0x02) {
+ return false;
+ }
+ var slen = getLength(data, p);
+ if (data.length !== slen + p.place) {
+ return false;
+ }
+ var s = data.slice(p.place, slen + p.place);
+ if (r[0] === 0 && (r[1] & 0x80)) {
+ r = r.slice(1);
+ }
+ if (s[0] === 0 && (s[1] & 0x80)) {
+ s = s.slice(1);
+ }
+
+ this.r = new BN(r);
+ this.s = new BN(s);
+ this.recoveryParam = null;
+
+ return true;
+};
+
+function constructLength(arr, len) {
+ if (len < 0x80) {
+ arr.push(len);
+ return;
+ }
+ var octets = 1 + (Math.log(len) / Math.LN2 >>> 3);
+ arr.push(octets | 0x80);
+ while (--octets) {
+ arr.push((len >>> (octets << 3)) & 0xff);
+ }
+ arr.push(len);
+}
+
+Signature.prototype.toDER = function toDER(enc) {
+ var r = this.r.toArray();
+ var s = this.s.toArray();
+
+ // Pad values
+ if (r[0] & 0x80)
+ r = [ 0 ].concat(r);
+ // Pad values
+ if (s[0] & 0x80)
+ s = [ 0 ].concat(s);
+
+ r = rmPadding(r);
+ s = rmPadding(s);
+
+ while (!s[0] && !(s[1] & 0x80)) {
+ s = s.slice(1);
+ }
+ var arr = [ 0x02 ];
+ constructLength(arr, r.length);
+ arr = arr.concat(r);
+ arr.push(0x02);
+ constructLength(arr, s.length);
+ var backHalf = arr.concat(s);
+ var res = [ 0x30 ];
+ constructLength(res, backHalf.length);
+ res = res.concat(backHalf);
+ return utils.encode(res, enc);
+};
+
+},{"../../elliptic":97,"bn.js":81}],107:[function(require,module,exports){
+'use strict';
+
+var hash = require('hash.js');
+var elliptic = require('../../elliptic');
+var utils = elliptic.utils;
+var assert = utils.assert;
+var parseBytes = utils.parseBytes;
+var KeyPair = require('./key');
+var Signature = require('./signature');
+
+function EDDSA(curve) {
+ assert(curve === 'ed25519', 'only tested with ed25519 so far');
+
+ if (!(this instanceof EDDSA))
+ return new EDDSA(curve);
+
+ var curve = elliptic.curves[curve].curve;
+ this.curve = curve;
+ this.g = curve.g;
+ this.g.precompute(curve.n.bitLength() + 1);
+
+ this.pointClass = curve.point().constructor;
+ this.encodingLength = Math.ceil(curve.n.bitLength() / 8);
+ this.hash = hash.sha512;
+}
+
+module.exports = EDDSA;
+
+/**
+* @param {Array|String} message - message bytes
+* @param {Array|String|KeyPair} secret - secret bytes or a keypair
+* @returns {Signature} - signature
+*/
+EDDSA.prototype.sign = function sign(message, secret) {
+ message = parseBytes(message);
+ var key = this.keyFromSecret(secret);
+ var r = this.hashInt(key.messagePrefix(), message);
+ var R = this.g.mul(r);
+ var Rencoded = this.encodePoint(R);
+ var s_ = this.hashInt(Rencoded, key.pubBytes(), message)
+ .mul(key.priv());
+ var S = r.add(s_).umod(this.curve.n);
+ return this.makeSignature({ R: R, S: S, Rencoded: Rencoded });
+};
+
+/**
+* @param {Array} message - message bytes
+* @param {Array|String|Signature} sig - sig bytes
+* @param {Array|String|Point|KeyPair} pub - public key
+* @returns {Boolean} - true if public key matches sig of message
+*/
+EDDSA.prototype.verify = function verify(message, sig, pub) {
+ message = parseBytes(message);
+ sig = this.makeSignature(sig);
+ var key = this.keyFromPublic(pub);
+ var h = this.hashInt(sig.Rencoded(), key.pubBytes(), message);
+ var SG = this.g.mul(sig.S());
+ var RplusAh = sig.R().add(key.pub().mul(h));
+ return RplusAh.eq(SG);
+};
+
+EDDSA.prototype.hashInt = function hashInt() {
+ var hash = this.hash();
+ for (var i = 0; i < arguments.length; i++)
+ hash.update(arguments[i]);
+ return utils.intFromLE(hash.digest()).umod(this.curve.n);
+};
+
+EDDSA.prototype.keyFromPublic = function keyFromPublic(pub) {
+ return KeyPair.fromPublic(this, pub);
+};
+
+EDDSA.prototype.keyFromSecret = function keyFromSecret(secret) {
+ return KeyPair.fromSecret(this, secret);
+};
+
+EDDSA.prototype.makeSignature = function makeSignature(sig) {
+ if (sig instanceof Signature)
+ return sig;
+ return new Signature(this, sig);
+};
+
+/**
+* * https://tools.ietf.org/html/draft-josefsson-eddsa-ed25519-03#section-5.2
+*
+* EDDSA defines methods for encoding and decoding points and integers. These are
+* helper convenience methods, that pass along to utility functions implied
+* parameters.
+*
+*/
+EDDSA.prototype.encodePoint = function encodePoint(point) {
+ var enc = point.getY().toArray('le', this.encodingLength);
+ enc[this.encodingLength - 1] |= point.getX().isOdd() ? 0x80 : 0;
+ return enc;
+};
+
+EDDSA.prototype.decodePoint = function decodePoint(bytes) {
+ bytes = utils.parseBytes(bytes);
+
+ var lastIx = bytes.length - 1;
+ var normed = bytes.slice(0, lastIx).concat(bytes[lastIx] & ~0x80);
+ var xIsOdd = (bytes[lastIx] & 0x80) !== 0;
+
+ var y = utils.intFromLE(normed);
+ return this.curve.pointFromY(y, xIsOdd);
+};
+
+EDDSA.prototype.encodeInt = function encodeInt(num) {
+ return num.toArray('le', this.encodingLength);
+};
+
+EDDSA.prototype.decodeInt = function decodeInt(bytes) {
+ return utils.intFromLE(bytes);
+};
+
+EDDSA.prototype.isPoint = function isPoint(val) {
+ return val instanceof this.pointClass;
+};
+
+},{"../../elliptic":97,"./key":108,"./signature":109,"hash.js":114}],108:[function(require,module,exports){
+'use strict';
+
+var elliptic = require('../../elliptic');
+var utils = elliptic.utils;
+var assert = utils.assert;
+var parseBytes = utils.parseBytes;
+var cachedProperty = utils.cachedProperty;
+
+/**
+* @param {EDDSA} eddsa - instance
+* @param {Object} params - public/private key parameters
+*
+* @param {Array<Byte>} [params.secret] - secret seed bytes
+* @param {Point} [params.pub] - public key point (aka `A` in eddsa terms)
+* @param {Array<Byte>} [params.pub] - public key point encoded as bytes
+*
+*/
+function KeyPair(eddsa, params) {
+ this.eddsa = eddsa;
+ this._secret = parseBytes(params.secret);
+ if (eddsa.isPoint(params.pub))
+ this._pub = params.pub;
+ else
+ this._pubBytes = parseBytes(params.pub);
+}
+
+KeyPair.fromPublic = function fromPublic(eddsa, pub) {
+ if (pub instanceof KeyPair)
+ return pub;
+ return new KeyPair(eddsa, { pub: pub });
+};
+
+KeyPair.fromSecret = function fromSecret(eddsa, secret) {
+ if (secret instanceof KeyPair)
+ return secret;
+ return new KeyPair(eddsa, { secret: secret });
+};
+
+KeyPair.prototype.secret = function secret() {
+ return this._secret;
+};
+
+cachedProperty(KeyPair, 'pubBytes', function pubBytes() {
+ return this.eddsa.encodePoint(this.pub());
+});
+
+cachedProperty(KeyPair, 'pub', function pub() {
+ if (this._pubBytes)
+ return this.eddsa.decodePoint(this._pubBytes);
+ return this.eddsa.g.mul(this.priv());
+});
+
+cachedProperty(KeyPair, 'privBytes', function privBytes() {
+ var eddsa = this.eddsa;
+ var hash = this.hash();
+ var lastIx = eddsa.encodingLength - 1;
+
+ var a = hash.slice(0, eddsa.encodingLength);
+ a[0] &= 248;
+ a[lastIx] &= 127;
+ a[lastIx] |= 64;
+
+ return a;
+});
+
+cachedProperty(KeyPair, 'priv', function priv() {
+ return this.eddsa.decodeInt(this.privBytes());
+});
+
+cachedProperty(KeyPair, 'hash', function hash() {
+ return this.eddsa.hash().update(this.secret()).digest();
+});
+
+cachedProperty(KeyPair, 'messagePrefix', function messagePrefix() {
+ return this.hash().slice(this.eddsa.encodingLength);
+});
+
+KeyPair.prototype.sign = function sign(message) {
+ assert(this._secret, 'KeyPair can only verify');
+ return this.eddsa.sign(message, this);
+};
+
+KeyPair.prototype.verify = function verify(message, sig) {
+ return this.eddsa.verify(message, sig, this);
+};
+
+KeyPair.prototype.getSecret = function getSecret(enc) {
+ assert(this._secret, 'KeyPair is public only');
+ return utils.encode(this.secret(), enc);
+};
- a = md5_ii(a, b, c, d, x[i + 0], 6, -198630844)
- d = md5_ii(d, a, b, c, x[i + 7], 10, 1126891415)
- c = md5_ii(c, d, a, b, x[i + 14], 15, -1416354905)
- b = md5_ii(b, c, d, a, x[i + 5], 21, -57434055)
- a = md5_ii(a, b, c, d, x[i + 12], 6, 1700485571)
- d = md5_ii(d, a, b, c, x[i + 3], 10, -1894986606)
- c = md5_ii(c, d, a, b, x[i + 10], 15, -1051523)
- b = md5_ii(b, c, d, a, x[i + 1], 21, -2054922799)
- a = md5_ii(a, b, c, d, x[i + 8], 6, 1873313359)
- d = md5_ii(d, a, b, c, x[i + 15], 10, -30611744)
- c = md5_ii(c, d, a, b, x[i + 6], 15, -1560198380)
- b = md5_ii(b, c, d, a, x[i + 13], 21, 1309151649)
- a = md5_ii(a, b, c, d, x[i + 4], 6, -145523070)
- d = md5_ii(d, a, b, c, x[i + 11], 10, -1120210379)
- c = md5_ii(c, d, a, b, x[i + 2], 15, 718787259)
- b = md5_ii(b, c, d, a, x[i + 9], 21, -343485551)
+KeyPair.prototype.getPublic = function getPublic(enc) {
+ return utils.encode(this.pubBytes(), enc);
+};
- a = safe_add(a, olda)
- b = safe_add(b, oldb)
- c = safe_add(c, oldc)
- d = safe_add(d, oldd)
- }
+module.exports = KeyPair;
- return [a, b, c, d]
-}
+},{"../../elliptic":97}],109:[function(require,module,exports){
+'use strict';
-/*
- * These functions implement the four basic operations the algorithm uses.
- */
-function md5_cmn (q, a, b, x, s, t) {
- return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s), b)
-}
+var BN = require('bn.js');
+var elliptic = require('../../elliptic');
+var utils = elliptic.utils;
+var assert = utils.assert;
+var cachedProperty = utils.cachedProperty;
+var parseBytes = utils.parseBytes;
-function md5_ff (a, b, c, d, x, s, t) {
- return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t)
-}
+/**
+* @param {EDDSA} eddsa - eddsa instance
+* @param {Array<Bytes>|Object} sig -
+* @param {Array<Bytes>|Point} [sig.R] - R point as Point or bytes
+* @param {Array<Bytes>|bn} [sig.S] - S scalar as bn or bytes
+* @param {Array<Bytes>} [sig.Rencoded] - R point encoded
+* @param {Array<Bytes>} [sig.Sencoded] - S scalar encoded
+*/
+function Signature(eddsa, sig) {
+ this.eddsa = eddsa;
-function md5_gg (a, b, c, d, x, s, t) {
- return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t)
-}
+ if (typeof sig !== 'object')
+ sig = parseBytes(sig);
-function md5_hh (a, b, c, d, x, s, t) {
- return md5_cmn(b ^ c ^ d, a, b, x, s, t)
-}
+ if (Array.isArray(sig)) {
+ sig = {
+ R: sig.slice(0, eddsa.encodingLength),
+ S: sig.slice(eddsa.encodingLength)
+ };
+ }
-function md5_ii (a, b, c, d, x, s, t) {
- return md5_cmn(c ^ (b | (~d)), a, b, x, s, t)
-}
+ assert(sig.R && sig.S, 'Signature without R or S');
-/*
- * Add integers, wrapping at 2^32. This uses 16-bit operations internally
- * to work around bugs in some JS interpreters.
- */
-function safe_add (x, y) {
- var lsw = (x & 0xFFFF) + (y & 0xFFFF)
- var msw = (x >> 16) + (y >> 16) + (lsw >> 16)
- return (msw << 16) | (lsw & 0xFFFF)
-}
+ if (eddsa.isPoint(sig.R))
+ this._R = sig.R;
+ if (sig.S instanceof BN)
+ this._S = sig.S;
-/*
- * Bitwise rotate a 32-bit number to the left.
- */
-function bit_rol (num, cnt) {
- return (num << cnt) | (num >>> (32 - cnt))
+ this._Rencoded = Array.isArray(sig.R) ? sig.R : sig.Rencoded;
+ this._Sencoded = Array.isArray(sig.S) ? sig.S : sig.Sencoded;
}
-module.exports = function md5 (buf) {
- return makeHash(buf, core_md5)
-}
+cachedProperty(Signature, 'S', function S() {
+ return this.eddsa.decodeInt(this.Sencoded());
+});
-},{"./make-hash":83}],85:[function(require,module,exports){
-'use strict'
-var inherits = require('inherits')
-var Legacy = require('./legacy')
-var Base = require('cipher-base')
-var Buffer = require('safe-buffer').Buffer
-var md5 = require('create-hash/md5')
-var RIPEMD160 = require('ripemd160')
+cachedProperty(Signature, 'R', function R() {
+ return this.eddsa.decodePoint(this.Rencoded());
+});
-var sha = require('sha.js')
+cachedProperty(Signature, 'Rencoded', function Rencoded() {
+ return this.eddsa.encodePoint(this.R());
+});
-var ZEROS = Buffer.alloc(128)
+cachedProperty(Signature, 'Sencoded', function Sencoded() {
+ return this.eddsa.encodeInt(this.S());
+});
-function Hmac (alg, key) {
- Base.call(this, 'digest')
- if (typeof key === 'string') {
- key = Buffer.from(key)
- }
+Signature.prototype.toBytes = function toBytes() {
+ return this.Rencoded().concat(this.Sencoded());
+};
- var blocksize = (alg === 'sha512' || alg === 'sha384') ? 128 : 64
+Signature.prototype.toHex = function toHex() {
+ return utils.encode(this.toBytes(), 'hex').toUpperCase();
+};
- this._alg = alg
- this._key = key
- if (key.length > blocksize) {
- var hash = alg === 'rmd160' ? new RIPEMD160() : sha(alg)
- key = hash.update(key).digest()
- } else if (key.length < blocksize) {
- key = Buffer.concat([key, ZEROS], blocksize)
+module.exports = Signature;
+
+},{"../../elliptic":97,"bn.js":81}],110:[function(require,module,exports){
+module.exports = {
+ doubles: {
+ step: 4,
+ points: [
+ [
+ 'e60fce93b59e9ec53011aabc21c23e97b2a31369b87a5ae9c44ee89e2a6dec0a',
+ 'f7e3507399e595929db99f34f57937101296891e44d23f0be1f32cce69616821'
+ ],
+ [
+ '8282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508',
+ '11f8a8098557dfe45e8256e830b60ace62d613ac2f7b17bed31b6eaff6e26caf'
+ ],
+ [
+ '175e159f728b865a72f99cc6c6fc846de0b93833fd2222ed73fce5b551e5b739',
+ 'd3506e0d9e3c79eba4ef97a51ff71f5eacb5955add24345c6efa6ffee9fed695'
+ ],
+ [
+ '363d90d447b00c9c99ceac05b6262ee053441c7e55552ffe526bad8f83ff4640',
+ '4e273adfc732221953b445397f3363145b9a89008199ecb62003c7f3bee9de9'
+ ],
+ [
+ '8b4b5f165df3c2be8c6244b5b745638843e4a781a15bcd1b69f79a55dffdf80c',
+ '4aad0a6f68d308b4b3fbd7813ab0da04f9e336546162ee56b3eff0c65fd4fd36'
+ ],
+ [
+ '723cbaa6e5db996d6bf771c00bd548c7b700dbffa6c0e77bcb6115925232fcda',
+ '96e867b5595cc498a921137488824d6e2660a0653779494801dc069d9eb39f5f'
+ ],
+ [
+ 'eebfa4d493bebf98ba5feec812c2d3b50947961237a919839a533eca0e7dd7fa',
+ '5d9a8ca3970ef0f269ee7edaf178089d9ae4cdc3a711f712ddfd4fdae1de8999'
+ ],
+ [
+ '100f44da696e71672791d0a09b7bde459f1215a29b3c03bfefd7835b39a48db0',
+ 'cdd9e13192a00b772ec8f3300c090666b7ff4a18ff5195ac0fbd5cd62bc65a09'
+ ],
+ [
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+ '9d7061928940405e6bb6a4176597535af292dd419e1ced79a44f18f29456a00d'
+ ],
+ [
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+ ],
+ [
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+ ],
+ [
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+ ],
+ [
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+ ],
+ [
+ '385eed34c1cdff21e6d0818689b81bde71a7f4f18397e6690a841e1599c43862',
+ '283bebc3e8ea23f56701de19e9ebf4576b304eec2086dc8cc0458fe5542e5453'
+ ],
+ [
+ '6f9d9b803ecf191637c73a4413dfa180fddf84a5947fbc9c606ed86c3fac3a7',
+ '7c80c68e603059ba69b8e2a30e45c4d47ea4dd2f5c281002d86890603a842160'
+ ],
+ [
+ '3322d401243c4e2582a2147c104d6ecbf774d163db0f5e5313b7e0e742d0e6bd',
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+ ],
+ [
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+ ],
+ [
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+ ],
+ [
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+ ],
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+ ],
+ [
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+ ],
+ [
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+ '4b6dad0b5ae462507013ad06245ba190bb4850f5f36a7eeddff2c27534b458f2'
+ ],
+ [
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+ '17749c766c9d0b18e16fd09f6def681b530b9614bff7dd33e0b3941817dcaae6'
+ ],
+ [
+ 'fea74e3dbe778b1b10f238ad61686aa5c76e3db2be43057632427e2840fb27b6',
+ '6e0568db9b0b13297cf674deccb6af93126b596b973f7b77701d3db7f23cb96f'
+ ],
+ [
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+ 'c90ddf8dee4e95cf577066d70681f0d35e2a33d2b56d2032b4b1752d1901ac01'
+ ],
+ [
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+ '893fb578951ad2537f718f2eacbfbbbb82314eef7880cfe917e735d9699a84c3'
+ ],
+ [
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+ 'febfaa38f2bc7eae728ec60818c340eb03428d632bb067e179363ed75d7d991f'
+ ],
+ [
+ 'b8da94032a957518eb0f6433571e8761ceffc73693e84edd49150a564f676e03',
+ '2804dfa44805a1e4d7c99cc9762808b092cc584d95ff3b511488e4e74efdf6e7'
+ ],
+ [
+ 'e80fea14441fb33a7d8adab9475d7fab2019effb5156a792f1a11778e3c0df5d',
+ 'eed1de7f638e00771e89768ca3ca94472d155e80af322ea9fcb4291b6ac9ec78'
+ ],
+ [
+ 'a301697bdfcd704313ba48e51d567543f2a182031efd6915ddc07bbcc4e16070',
+ '7370f91cfb67e4f5081809fa25d40f9b1735dbf7c0a11a130c0d1a041e177ea1'
+ ],
+ [
+ '90ad85b389d6b936463f9d0512678de208cc330b11307fffab7ac63e3fb04ed4',
+ 'e507a3620a38261affdcbd9427222b839aefabe1582894d991d4d48cb6ef150'
+ ],
+ [
+ '8f68b9d2f63b5f339239c1ad981f162ee88c5678723ea3351b7b444c9ec4c0da',
+ '662a9f2dba063986de1d90c2b6be215dbbea2cfe95510bfdf23cbf79501fff82'
+ ],
+ [
+ 'e4f3fb0176af85d65ff99ff9198c36091f48e86503681e3e6686fd5053231e11',
+ '1e63633ad0ef4f1c1661a6d0ea02b7286cc7e74ec951d1c9822c38576feb73bc'
+ ],
+ [
+ '8c00fa9b18ebf331eb961537a45a4266c7034f2f0d4e1d0716fb6eae20eae29e',
+ 'efa47267fea521a1a9dc343a3736c974c2fadafa81e36c54e7d2a4c66702414b'
+ ],
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+ ],
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+ '9852390a99507679fd0b86fd2b39a868d7efc22151346e1a3ca4726586a6bed8'
+ ],
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+ '9e994980d9917e22b76b061927fa04143d096ccc54963e6a5ebfa5f3f8e286c1'
+ ],
+ [
+ '1b38903a43f7f114ed4500b4eac7083fdefece1cf29c63528d563446f972c180',
+ '4036edc931a60ae889353f77fd53de4a2708b26b6f5da72ad3394119daf408f9'
+ ]
+ ]
}
+};
- var ipad = this._ipad = Buffer.allocUnsafe(blocksize)
- var opad = this._opad = Buffer.allocUnsafe(blocksize)
+},{}],111:[function(require,module,exports){
+'use strict';
- for (var i = 0; i < blocksize; i++) {
- ipad[i] = key[i] ^ 0x36
- opad[i] = key[i] ^ 0x5C
+var utils = exports;
+var BN = require('bn.js');
+var minAssert = require('minimalistic-assert');
+var minUtils = require('minimalistic-crypto-utils');
+
+utils.assert = minAssert;
+utils.toArray = minUtils.toArray;
+utils.zero2 = minUtils.zero2;
+utils.toHex = minUtils.toHex;
+utils.encode = minUtils.encode;
+
+// Represent num in a w-NAF form
+function getNAF(num, w) {
+ var naf = [];
+ var ws = 1 << (w + 1);
+ var k = num.clone();
+ while (k.cmpn(1) >= 0) {
+ var z;
+ if (k.isOdd()) {
+ var mod = k.andln(ws - 1);
+ if (mod > (ws >> 1) - 1)
+ z = (ws >> 1) - mod;
+ else
+ z = mod;
+ k.isubn(z);
+ } else {
+ z = 0;
+ }
+ naf.push(z);
+
+ // Optimization, shift by word if possible
+ var shift = (k.cmpn(0) !== 0 && k.andln(ws - 1) === 0) ? (w + 1) : 1;
+ for (var i = 1; i < shift; i++)
+ naf.push(0);
+ k.iushrn(shift);
+ }
+
+ return naf;
+}
+utils.getNAF = getNAF;
+
+// Represent k1, k2 in a Joint Sparse Form
+function getJSF(k1, k2) {
+ var jsf = [
+ [],
+ []
+ ];
+
+ k1 = k1.clone();
+ k2 = k2.clone();
+ var d1 = 0;
+ var d2 = 0;
+ while (k1.cmpn(-d1) > 0 || k2.cmpn(-d2) > 0) {
+
+ // First phase
+ var m14 = (k1.andln(3) + d1) & 3;
+ var m24 = (k2.andln(3) + d2) & 3;
+ if (m14 === 3)
+ m14 = -1;
+ if (m24 === 3)
+ m24 = -1;
+ var u1;
+ if ((m14 & 1) === 0) {
+ u1 = 0;
+ } else {
+ var m8 = (k1.andln(7) + d1) & 7;
+ if ((m8 === 3 || m8 === 5) && m24 === 2)
+ u1 = -m14;
+ else
+ u1 = m14;
+ }
+ jsf[0].push(u1);
+
+ var u2;
+ if ((m24 & 1) === 0) {
+ u2 = 0;
+ } else {
+ var m8 = (k2.andln(7) + d2) & 7;
+ if ((m8 === 3 || m8 === 5) && m14 === 2)
+ u2 = -m24;
+ else
+ u2 = m24;
+ }
+ jsf[1].push(u2);
+
+ // Second phase
+ if (2 * d1 === u1 + 1)
+ d1 = 1 - d1;
+ if (2 * d2 === u2 + 1)
+ d2 = 1 - d2;
+ k1.iushrn(1);
+ k2.iushrn(1);
}
- this._hash = alg === 'rmd160' ? new RIPEMD160() : sha(alg)
- this._hash.update(ipad)
+
+ return jsf;
}
+utils.getJSF = getJSF;
-inherits(Hmac, Base)
+function cachedProperty(obj, name, computer) {
+ var key = '_' + name;
+ obj.prototype[name] = function cachedProperty() {
+ return this[key] !== undefined ? this[key] :
+ this[key] = computer.call(this);
+ };
+}
+utils.cachedProperty = cachedProperty;
-Hmac.prototype._update = function (data) {
- this._hash.update(data)
+function parseBytes(bytes) {
+ return typeof bytes === 'string' ? utils.toArray(bytes, 'hex') :
+ bytes;
}
+utils.parseBytes = parseBytes;
-Hmac.prototype._final = function () {
- var h = this._hash.digest()
- var hash = this._alg === 'rmd160' ? new RIPEMD160() : sha(this._alg)
- return hash.update(this._opad).update(h).digest()
+function intFromLE(bytes) {
+ return new BN(bytes, 'hex', 'le');
}
+utils.intFromLE = intFromLE;
-module.exports = function createHmac (alg, key) {
- alg = alg.toLowerCase()
- if (alg === 'rmd160' || alg === 'ripemd160') {
- return new Hmac('rmd160', key)
- }
- if (alg === 'md5') {
- return new Legacy(md5, key)
- }
- return new Hmac(alg, key)
+
+},{"bn.js":81,"minimalistic-assert":123,"minimalistic-crypto-utils":124}],112:[function(require,module,exports){
+module.exports={
+ "_args": [
+ [
+ "elliptic",
+ "/home/ian/git/bitcoin/bitcoinjs-lib-browser"
+ ]
+ ],
+ "_from": "elliptic@latest",
+ "_id": "elliptic@6.4.0",
+ "_inCache": true,
+ "_installable": true,
+ "_location": "/elliptic",
+ "_nodeVersion": "7.0.0",
+ "_npmOperationalInternal": {
+ "host": "packages-18-east.internal.npmjs.com",
+ "tmp": "tmp/elliptic-6.4.0.tgz_1487798866428_0.30510620190761983"
+ },
+ "_npmUser": {
+ "email": "fedor@indutny.com",
+ "name": "indutny"
+ },
+ "_npmVersion": "3.10.8",
+ "_phantomChildren": {},
+ "_requested": {
+ "name": "elliptic",
+ "raw": "elliptic",
+ "rawSpec": "",
+ "scope": null,
+ "spec": "latest",
+ "type": "tag"
+ },
+ "_requiredBy": [
+ "#USER"
+ ],
+ "_resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.4.0.tgz",
+ "_shasum": "cac9af8762c85836187003c8dfe193e5e2eae5df",
+ "_shrinkwrap": null,
+ "_spec": "elliptic",
+ "_where": "/home/ian/git/bitcoin/bitcoinjs-lib-browser",
+ "author": {
+ "email": "fedor@indutny.com",
+ "name": "Fedor Indutny"
+ },
+ "bugs": {
+ "url": "https://github.com/indutny/elliptic/issues"
+ },
+ "dependencies": {
+ "bn.js": "^4.4.0",
+ "brorand": "^1.0.1",
+ "hash.js": "^1.0.0",
+ "hmac-drbg": "^1.0.0",
+ "inherits": "^2.0.1",
+ "minimalistic-assert": "^1.0.0",
+ "minimalistic-crypto-utils": "^1.0.0"
+ },
+ "description": "EC cryptography",
+ "devDependencies": {
+ "brfs": "^1.4.3",
+ "coveralls": "^2.11.3",
+ "grunt": "^0.4.5",
+ "grunt-browserify": "^5.0.0",
+ "grunt-cli": "^1.2.0",
+ "grunt-contrib-connect": "^1.0.0",
+ "grunt-contrib-copy": "^1.0.0",
+ "grunt-contrib-uglify": "^1.0.1",
+ "grunt-mocha-istanbul": "^3.0.1",
+ "grunt-saucelabs": "^8.6.2",
+ "istanbul": "^0.4.2",
+ "jscs": "^2.9.0",
+ "jshint": "^2.6.0",
+ "mocha": "^2.1.0"
+ },
+ "directories": {},
+ "dist": {
+ "shasum": "cac9af8762c85836187003c8dfe193e5e2eae5df",
+ "tarball": "https://registry.npmjs.org/elliptic/-/elliptic-6.4.0.tgz"
+ },
+ "files": [
+ "lib"
+ ],
+ "gitHead": "6b0d2b76caae91471649c8e21f0b1d3ba0f96090",
+ "homepage": "https://github.com/indutny/elliptic",
+ "keywords": [
+ "EC",
+ "Elliptic",
+ "curve",
+ "Cryptography"
+ ],
+ "license": "MIT",
+ "main": "lib/elliptic.js",
+ "maintainers": [
+ {
+ "email": "fedor@indutny.com",
+ "name": "indutny"
+ }
+ ],
+ "name": "elliptic",
+ "optionalDependencies": {},
+ "readme": "ERROR: No README data found!",
+ "repository": {
+ "type": "git",
+ "url": "git+ssh://git@github.com/indutny/elliptic.git"
+ },
+ "scripts": {
+ "jscs": "jscs benchmarks/*.js lib/*.js lib/**/*.js lib/**/**/*.js test/index.js",
+ "jshint": "jscs benchmarks/*.js lib/*.js lib/**/*.js lib/**/**/*.js test/index.js",
+ "lint": "npm run jscs && npm run jshint",
+ "test": "npm run lint && npm run unit",
+ "unit": "istanbul test _mocha --reporter=spec test/index.js",
+ "version": "grunt dist && git add dist/"
+ },
+ "version": "6.4.0"
}
-},{"./legacy":86,"cipher-base":81,"create-hash/md5":84,"inherits":93,"ripemd160":97,"safe-buffer":98,"sha.js":100}],86:[function(require,module,exports){
+},{}],113:[function(require,module,exports){
+(function (Buffer){
'use strict'
+var Transform = require('stream').Transform
var inherits = require('inherits')
-var Buffer = require('safe-buffer').Buffer
-var Base = require('cipher-base')
+function HashBase (blockSize) {
+ Transform.call(this)
-var ZEROS = Buffer.alloc(128)
-var blocksize = 64
+ this._block = new Buffer(blockSize)
+ this._blockSize = blockSize
+ this._blockOffset = 0
+ this._length = [0, 0, 0, 0]
-function Hmac (alg, key) {
- Base.call(this, 'digest')
- if (typeof key === 'string') {
- key = Buffer.from(key)
+ this._finalized = false
+}
+
+inherits(HashBase, Transform)
+
+HashBase.prototype._transform = function (chunk, encoding, callback) {
+ var error = null
+ try {
+ if (encoding !== 'buffer') chunk = new Buffer(chunk, encoding)
+ this.update(chunk)
+ } catch (err) {
+ error = err
}
- this._alg = alg
- this._key = key
+ callback(error)
+}
- if (key.length > blocksize) {
- key = alg(key)
- } else if (key.length < blocksize) {
- key = Buffer.concat([key, ZEROS], blocksize)
+HashBase.prototype._flush = function (callback) {
+ var error = null
+ try {
+ this.push(this._digest())
+ } catch (err) {
+ error = err
}
- var ipad = this._ipad = Buffer.allocUnsafe(blocksize)
- var opad = this._opad = Buffer.allocUnsafe(blocksize)
+ callback(error)
+}
- for (var i = 0; i < blocksize; i++) {
- ipad[i] = key[i] ^ 0x36
- opad[i] = key[i] ^ 0x5C
+HashBase.prototype.update = function (data, encoding) {
+ if (!Buffer.isBuffer(data) && typeof data !== 'string') throw new TypeError('Data must be a string or a buffer')
+ if (this._finalized) throw new Error('Digest already called')
+ if (!Buffer.isBuffer(data)) data = new Buffer(data, encoding || 'binary')
+
+ // consume data
+ var block = this._block
+ var offset = 0
+ while (this._blockOffset + data.length - offset >= this._blockSize) {
+ for (var i = this._blockOffset; i < this._blockSize;) block[i++] = data[offset++]
+ this._update()
+ this._blockOffset = 0
}
+ while (offset < data.length) block[this._blockOffset++] = data[offset++]
- this._hash = [ipad]
+ // update length
+ for (var j = 0, carry = data.length * 8; carry > 0; ++j) {
+ this._length[j] += carry
+ carry = (this._length[j] / 0x0100000000) | 0
+ if (carry > 0) this._length[j] -= 0x0100000000 * carry
+ }
+
+ return this
+}
+
+HashBase.prototype._update = function (data) {
+ throw new Error('_update is not implemented')
}
-inherits(Hmac, Base)
+HashBase.prototype.digest = function (encoding) {
+ if (this._finalized) throw new Error('Digest already called')
+ this._finalized = true
-Hmac.prototype._update = function (data) {
- this._hash.push(data)
+ var digest = this._digest()
+ if (encoding !== undefined) digest = digest.toString(encoding)
+ return digest
}
-Hmac.prototype._final = function () {
- var h = this._alg(Buffer.concat(this._hash))
- return this._alg(Buffer.concat([this._opad, h]))
+HashBase.prototype._digest = function () {
+ throw new Error('_digest is not implemented')
}
-module.exports = Hmac
-},{"cipher-base":81,"inherits":93,"safe-buffer":98}],87:[function(require,module,exports){
-var assert = require('assert')
-var BigInteger = require('bigi')
+module.exports = HashBase
-var Point = require('./point')
+}).call(this,require("buffer").Buffer)
+},{"buffer":5,"inherits":121,"stream":28}],114:[function(require,module,exports){
+var hash = exports;
+
+hash.utils = require('./hash/utils');
+hash.common = require('./hash/common');
+hash.sha = require('./hash/sha');
+hash.ripemd = require('./hash/ripemd');
+hash.hmac = require('./hash/hmac');
+
+// Proxy hash functions to the main object
+hash.sha1 = hash.sha.sha1;
+hash.sha256 = hash.sha.sha256;
+hash.sha224 = hash.sha.sha224;
+hash.sha384 = hash.sha.sha384;
+hash.sha512 = hash.sha.sha512;
+hash.ripemd160 = hash.ripemd.ripemd160;
+
+},{"./hash/common":115,"./hash/hmac":116,"./hash/ripemd":117,"./hash/sha":118,"./hash/utils":119}],115:[function(require,module,exports){
+var hash = require('../hash');
+var utils = hash.utils;
+var assert = utils.assert;
+
+function BlockHash() {
+ this.pending = null;
+ this.pendingTotal = 0;
+ this.blockSize = this.constructor.blockSize;
+ this.outSize = this.constructor.outSize;
+ this.hmacStrength = this.constructor.hmacStrength;
+ this.padLength = this.constructor.padLength / 8;
+ this.endian = 'big';
+
+ this._delta8 = this.blockSize / 8;
+ this._delta32 = this.blockSize / 32;
+}
+exports.BlockHash = BlockHash;
+
+BlockHash.prototype.update = function update(msg, enc) {
+ // Convert message to array, pad it, and join into 32bit blocks
+ msg = utils.toArray(msg, enc);
+ if (!this.pending)
+ this.pending = msg;
+ else
+ this.pending = this.pending.concat(msg);
+ this.pendingTotal += msg.length;
-function Curve (p, a, b, Gx, Gy, n, h) {
- this.p = p
- this.a = a
- this.b = b
- this.G = Point.fromAffine(this, Gx, Gy)
- this.n = n
- this.h = h
+ // Enough data, try updating
+ if (this.pending.length >= this._delta8) {
+ msg = this.pending;
- this.infinity = new Point(this, null, null, BigInteger.ZERO)
+ // Process pending data in blocks
+ var r = msg.length % this._delta8;
+ this.pending = msg.slice(msg.length - r, msg.length);
+ if (this.pending.length === 0)
+ this.pending = null;
- // result caching
- this.pOverFour = p.add(BigInteger.ONE).shiftRight(2)
+ msg = utils.join32(msg, 0, msg.length - r, this.endian);
+ for (var i = 0; i < msg.length; i += this._delta32)
+ this._update(msg, i, i + this._delta32);
+ }
- // determine size of p in bytes
- this.pLength = Math.floor((this.p.bitLength() + 7) / 8)
-}
+ return this;
+};
-Curve.prototype.pointFromX = function (isOdd, x) {
- var alpha = x.pow(3).add(this.a.multiply(x)).add(this.b).mod(this.p)
- var beta = alpha.modPow(this.pOverFour, this.p) // XXX: not compatible with all curves
+BlockHash.prototype.digest = function digest(enc) {
+ this.update(this._pad());
+ assert(this.pending === null);
- var y = beta
- if (beta.isEven() ^ !isOdd) {
- y = this.p.subtract(y) // -y % p
+ return this._digest(enc);
+};
+
+BlockHash.prototype._pad = function pad() {
+ var len = this.pendingTotal;
+ var bytes = this._delta8;
+ var k = bytes - ((len + this.padLength) % bytes);
+ var res = new Array(k + this.padLength);
+ res[0] = 0x80;
+ for (var i = 1; i < k; i++)
+ res[i] = 0;
+
+ // Append length
+ len <<= 3;
+ if (this.endian === 'big') {
+ for (var t = 8; t < this.padLength; t++)
+ res[i++] = 0;
+
+ res[i++] = 0;
+ res[i++] = 0;
+ res[i++] = 0;
+ res[i++] = 0;
+ res[i++] = (len >>> 24) & 0xff;
+ res[i++] = (len >>> 16) & 0xff;
+ res[i++] = (len >>> 8) & 0xff;
+ res[i++] = len & 0xff;
+ } else {
+ res[i++] = len & 0xff;
+ res[i++] = (len >>> 8) & 0xff;
+ res[i++] = (len >>> 16) & 0xff;
+ res[i++] = (len >>> 24) & 0xff;
+ res[i++] = 0;
+ res[i++] = 0;
+ res[i++] = 0;
+ res[i++] = 0;
+
+ for (var t = 8; t < this.padLength; t++)
+ res[i++] = 0;
}
- return Point.fromAffine(this, x, y)
-}
+ return res;
+};
-Curve.prototype.isInfinity = function (Q) {
- if (Q === this.infinity) return true
+},{"../hash":114}],116:[function(require,module,exports){
+var hmac = exports;
- return Q.z.signum() === 0 && Q.y.signum() !== 0
+var hash = require('../hash');
+var utils = hash.utils;
+var assert = utils.assert;
+
+function Hmac(hash, key, enc) {
+ if (!(this instanceof Hmac))
+ return new Hmac(hash, key, enc);
+ this.Hash = hash;
+ this.blockSize = hash.blockSize / 8;
+ this.outSize = hash.outSize / 8;
+ this.inner = null;
+ this.outer = null;
+
+ this._init(utils.toArray(key, enc));
}
+module.exports = Hmac;
-Curve.prototype.isOnCurve = function (Q) {
- if (this.isInfinity(Q)) return true
+Hmac.prototype._init = function init(key) {
+ // Shorten key, if needed
+ if (key.length > this.blockSize)
+ key = new this.Hash().update(key).digest();
+ assert(key.length <= this.blockSize);
- var x = Q.affineX
- var y = Q.affineY
- var a = this.a
- var b = this.b
- var p = this.p
+ // Add padding to key
+ for (var i = key.length; i < this.blockSize; i++)
+ key.push(0);
- // Check that xQ and yQ are integers in the interval [0, p - 1]
- if (x.signum() < 0 || x.compareTo(p) >= 0) return false
- if (y.signum() < 0 || y.compareTo(p) >= 0) return false
+ for (var i = 0; i < key.length; i++)
+ key[i] ^= 0x36;
+ this.inner = new this.Hash().update(key);
- // and check that y^2 = x^3 + ax + b (mod p)
- var lhs = y.square().mod(p)
- var rhs = x.pow(3).add(a.multiply(x)).add(b).mod(p)
- return lhs.equals(rhs)
-}
+ // 0x36 ^ 0x5c = 0x6a
+ for (var i = 0; i < key.length; i++)
+ key[i] ^= 0x6a;
+ this.outer = new this.Hash().update(key);
+};
-/**
- * Validate an elliptic curve point.
- *
- * See SEC 1, section 3.2.2.1: Elliptic Curve Public Key Validation Primitive
- */
-Curve.prototype.validate = function (Q) {
- // Check Q != O
- assert(!this.isInfinity(Q), 'Point is at infinity')
- assert(this.isOnCurve(Q), 'Point is not on the curve')
+Hmac.prototype.update = function update(msg, enc) {
+ this.inner.update(msg, enc);
+ return this;
+};
- // Check nQ = O (where Q is a scalar multiple of G)
- var nQ = Q.multiply(this.n)
- assert(this.isInfinity(nQ), 'Point is not a scalar multiple of G')
+Hmac.prototype.digest = function digest(enc) {
+ this.outer.update(this.inner.digest());
+ return this.outer.digest(enc);
+};
- return true
-}
+},{"../hash":114}],117:[function(require,module,exports){
+var hash = require('../hash');
+var utils = hash.utils;
+
+var rotl32 = utils.rotl32;
+var sum32 = utils.sum32;
+var sum32_3 = utils.sum32_3;
+var sum32_4 = utils.sum32_4;
+var BlockHash = hash.common.BlockHash;
+
+function RIPEMD160() {
+ if (!(this instanceof RIPEMD160))
+ return new RIPEMD160();
+
+ BlockHash.call(this);
+
+ this.h = [ 0x67452301, 0xefcdab89, 0x98badcfe, 0x10325476, 0xc3d2e1f0 ];
+ this.endian = 'little';
+}
+utils.inherits(RIPEMD160, BlockHash);
+exports.ripemd160 = RIPEMD160;
+
+RIPEMD160.blockSize = 512;
+RIPEMD160.outSize = 160;
+RIPEMD160.hmacStrength = 192;
+RIPEMD160.padLength = 64;
+
+RIPEMD160.prototype._update = function update(msg, start) {
+ var A = this.h[0];
+ var B = this.h[1];
+ var C = this.h[2];
+ var D = this.h[3];
+ var E = this.h[4];
+ var Ah = A;
+ var Bh = B;
+ var Ch = C;
+ var Dh = D;
+ var Eh = E;
+ for (var j = 0; j < 80; j++) {
+ var T = sum32(
+ rotl32(
+ sum32_4(A, f(j, B, C, D), msg[r[j] + start], K(j)),
+ s[j]),
+ E);
+ A = E;
+ E = D;
+ D = rotl32(C, 10);
+ C = B;
+ B = T;
+ T = sum32(
+ rotl32(
+ sum32_4(Ah, f(79 - j, Bh, Ch, Dh), msg[rh[j] + start], Kh(j)),
+ sh[j]),
+ Eh);
+ Ah = Eh;
+ Eh = Dh;
+ Dh = rotl32(Ch, 10);
+ Ch = Bh;
+ Bh = T;
+ }
+ T = sum32_3(this.h[1], C, Dh);
+ this.h[1] = sum32_3(this.h[2], D, Eh);
+ this.h[2] = sum32_3(this.h[3], E, Ah);
+ this.h[3] = sum32_3(this.h[4], A, Bh);
+ this.h[4] = sum32_3(this.h[0], B, Ch);
+ this.h[0] = T;
+};
-module.exports = Curve
+RIPEMD160.prototype._digest = function digest(enc) {
+ if (enc === 'hex')
+ return utils.toHex32(this.h, 'little');
+ else
+ return utils.split32(this.h, 'little');
+};
-},{"./point":91,"assert":1,"bigi":37}],88:[function(require,module,exports){
-module.exports={
- "secp128r1": {
- "p": "fffffffdffffffffffffffffffffffff",
- "a": "fffffffdfffffffffffffffffffffffc",
- "b": "e87579c11079f43dd824993c2cee5ed3",
- "n": "fffffffe0000000075a30d1b9038a115",
- "h": "01",
- "Gx": "161ff7528b899b2d0c28607ca52c5b86",
- "Gy": "cf5ac8395bafeb13c02da292dded7a83"
- },
- "secp160k1": {
- "p": "fffffffffffffffffffffffffffffffeffffac73",
- "a": "00",
- "b": "07",
- "n": "0100000000000000000001b8fa16dfab9aca16b6b3",
- "h": "01",
- "Gx": "3b4c382ce37aa192a4019e763036f4f5dd4d7ebb",
- "Gy": "938cf935318fdced6bc28286531733c3f03c4fee"
- },
- "secp160r1": {
- "p": "ffffffffffffffffffffffffffffffff7fffffff",
- "a": "ffffffffffffffffffffffffffffffff7ffffffc",
- "b": "1c97befc54bd7a8b65acf89f81d4d4adc565fa45",
- "n": "0100000000000000000001f4c8f927aed3ca752257",
- "h": "01",
- "Gx": "4a96b5688ef573284664698968c38bb913cbfc82",
- "Gy": "23a628553168947d59dcc912042351377ac5fb32"
- },
- "secp192k1": {
- "p": "fffffffffffffffffffffffffffffffffffffffeffffee37",
- "a": "00",
- "b": "03",
- "n": "fffffffffffffffffffffffe26f2fc170f69466a74defd8d",
- "h": "01",
- "Gx": "db4ff10ec057e9ae26b07d0280b7f4341da5d1b1eae06c7d",
- "Gy": "9b2f2f6d9c5628a7844163d015be86344082aa88d95e2f9d"
- },
- "secp192r1": {
- "p": "fffffffffffffffffffffffffffffffeffffffffffffffff",
- "a": "fffffffffffffffffffffffffffffffefffffffffffffffc",
- "b": "64210519e59c80e70fa7e9ab72243049feb8deecc146b9b1",
- "n": "ffffffffffffffffffffffff99def836146bc9b1b4d22831",
- "h": "01",
- "Gx": "188da80eb03090f67cbf20eb43a18800f4ff0afd82ff1012",
- "Gy": "07192b95ffc8da78631011ed6b24cdd573f977a11e794811"
- },
- "secp256k1": {
- "p": "fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f",
- "a": "00",
- "b": "07",
- "n": "fffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364141",
- "h": "01",
- "Gx": "79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798",
- "Gy": "483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8"
- },
- "secp256r1": {
- "p": "ffffffff00000001000000000000000000000000ffffffffffffffffffffffff",
- "a": "ffffffff00000001000000000000000000000000fffffffffffffffffffffffc",
- "b": "5ac635d8aa3a93e7b3ebbd55769886bc651d06b0cc53b0f63bce3c3e27d2604b",
- "n": "ffffffff00000000ffffffffffffffffbce6faada7179e84f3b9cac2fc632551",
- "h": "01",
- "Gx": "6b17d1f2e12c4247f8bce6e563a440f277037d812deb33a0f4a13945d898c296",
- "Gy": "4fe342e2fe1a7f9b8ee7eb4a7c0f9e162bce33576b315ececbb6406837bf51f5"
- }
-}
+function f(j, x, y, z) {
+ if (j <= 15)
+ return x ^ y ^ z;
+ else if (j <= 31)
+ return (x & y) | ((~x) & z);
+ else if (j <= 47)
+ return (x | (~y)) ^ z;
+ else if (j <= 63)
+ return (x & z) | (y & (~z));
+ else
+ return x ^ (y | (~z));
+}
+
+function K(j) {
+ if (j <= 15)
+ return 0x00000000;
+ else if (j <= 31)
+ return 0x5a827999;
+ else if (j <= 47)
+ return 0x6ed9eba1;
+ else if (j <= 63)
+ return 0x8f1bbcdc;
+ else
+ return 0xa953fd4e;
+}
+
+function Kh(j) {
+ if (j <= 15)
+ return 0x50a28be6;
+ else if (j <= 31)
+ return 0x5c4dd124;
+ else if (j <= 47)
+ return 0x6d703ef3;
+ else if (j <= 63)
+ return 0x7a6d76e9;
+ else
+ return 0x00000000;
+}
+
+var r = [
+ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
+ 7, 4, 13, 1, 10, 6, 15, 3, 12, 0, 9, 5, 2, 14, 11, 8,
+ 3, 10, 14, 4, 9, 15, 8, 1, 2, 7, 0, 6, 13, 11, 5, 12,
+ 1, 9, 11, 10, 0, 8, 12, 4, 13, 3, 7, 15, 14, 5, 6, 2,
+ 4, 0, 5, 9, 7, 12, 2, 10, 14, 1, 3, 8, 11, 6, 15, 13
+];
+
+var rh = [
+ 5, 14, 7, 0, 9, 2, 11, 4, 13, 6, 15, 8, 1, 10, 3, 12,
+ 6, 11, 3, 7, 0, 13, 5, 10, 14, 15, 8, 12, 4, 9, 1, 2,
+ 15, 5, 1, 3, 7, 14, 6, 9, 11, 8, 12, 2, 10, 0, 4, 13,
+ 8, 6, 4, 1, 3, 11, 15, 0, 5, 12, 2, 13, 9, 7, 10, 14,
+ 12, 15, 10, 4, 1, 5, 8, 7, 6, 2, 13, 14, 0, 3, 9, 11
+];
+
+var s = [
+ 11, 14, 15, 12, 5, 8, 7, 9, 11, 13, 14, 15, 6, 7, 9, 8,
+ 7, 6, 8, 13, 11, 9, 7, 15, 7, 12, 15, 9, 11, 7, 13, 12,
+ 11, 13, 6, 7, 14, 9, 13, 15, 14, 8, 13, 6, 5, 12, 7, 5,
+ 11, 12, 14, 15, 14, 15, 9, 8, 9, 14, 5, 6, 8, 6, 5, 12,
+ 9, 15, 5, 11, 6, 8, 13, 12, 5, 12, 13, 14, 11, 8, 5, 6
+];
+
+var sh = [
+ 8, 9, 9, 11, 13, 15, 15, 5, 7, 7, 8, 11, 14, 14, 12, 6,
+ 9, 13, 15, 7, 12, 8, 9, 11, 7, 7, 12, 7, 6, 15, 13, 11,
+ 9, 7, 15, 11, 8, 6, 6, 14, 12, 13, 5, 14, 13, 13, 7, 5,
+ 15, 5, 8, 11, 14, 14, 6, 14, 6, 9, 12, 9, 12, 5, 15, 8,
+ 8, 5, 12, 9, 12, 5, 14, 6, 8, 13, 6, 5, 15, 13, 11, 11
+];
+
+},{"../hash":114}],118:[function(require,module,exports){
+var hash = require('../hash');
+var utils = hash.utils;
+var assert = utils.assert;
+
+var rotr32 = utils.rotr32;
+var rotl32 = utils.rotl32;
+var sum32 = utils.sum32;
+var sum32_4 = utils.sum32_4;
+var sum32_5 = utils.sum32_5;
+var rotr64_hi = utils.rotr64_hi;
+var rotr64_lo = utils.rotr64_lo;
+var shr64_hi = utils.shr64_hi;
+var shr64_lo = utils.shr64_lo;
+var sum64 = utils.sum64;
+var sum64_hi = utils.sum64_hi;
+var sum64_lo = utils.sum64_lo;
+var sum64_4_hi = utils.sum64_4_hi;
+var sum64_4_lo = utils.sum64_4_lo;
+var sum64_5_hi = utils.sum64_5_hi;
+var sum64_5_lo = utils.sum64_5_lo;
+var BlockHash = hash.common.BlockHash;
+
+var sha256_K = [
+ 0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5,
+ 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
+ 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3,
+ 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
+ 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc,
+ 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
+ 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7,
+ 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
+ 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13,
+ 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
+ 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3,
+ 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
+ 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5,
+ 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
+ 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208,
+ 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2
+];
+
+var sha512_K = [
+ 0x428a2f98, 0xd728ae22, 0x71374491, 0x23ef65cd,
+ 0xb5c0fbcf, 0xec4d3b2f, 0xe9b5dba5, 0x8189dbbc,
+ 0x3956c25b, 0xf348b538, 0x59f111f1, 0xb605d019,
+ 0x923f82a4, 0xaf194f9b, 0xab1c5ed5, 0xda6d8118,
+ 0xd807aa98, 0xa3030242, 0x12835b01, 0x45706fbe,
+ 0x243185be, 0x4ee4b28c, 0x550c7dc3, 0xd5ffb4e2,
+ 0x72be5d74, 0xf27b896f, 0x80deb1fe, 0x3b1696b1,
+ 0x9bdc06a7, 0x25c71235, 0xc19bf174, 0xcf692694,
+ 0xe49b69c1, 0x9ef14ad2, 0xefbe4786, 0x384f25e3,
+ 0x0fc19dc6, 0x8b8cd5b5, 0x240ca1cc, 0x77ac9c65,
+ 0x2de92c6f, 0x592b0275, 0x4a7484aa, 0x6ea6e483,
+ 0x5cb0a9dc, 0xbd41fbd4, 0x76f988da, 0x831153b5,
+ 0x983e5152, 0xee66dfab, 0xa831c66d, 0x2db43210,
+ 0xb00327c8, 0x98fb213f, 0xbf597fc7, 0xbeef0ee4,
+ 0xc6e00bf3, 0x3da88fc2, 0xd5a79147, 0x930aa725,
+ 0x06ca6351, 0xe003826f, 0x14292967, 0x0a0e6e70,
+ 0x27b70a85, 0x46d22ffc, 0x2e1b2138, 0x5c26c926,
+ 0x4d2c6dfc, 0x5ac42aed, 0x53380d13, 0x9d95b3df,
+ 0x650a7354, 0x8baf63de, 0x766a0abb, 0x3c77b2a8,
+ 0x81c2c92e, 0x47edaee6, 0x92722c85, 0x1482353b,
+ 0xa2bfe8a1, 0x4cf10364, 0xa81a664b, 0xbc423001,
+ 0xc24b8b70, 0xd0f89791, 0xc76c51a3, 0x0654be30,
+ 0xd192e819, 0xd6ef5218, 0xd6990624, 0x5565a910,
+ 0xf40e3585, 0x5771202a, 0x106aa070, 0x32bbd1b8,
+ 0x19a4c116, 0xb8d2d0c8, 0x1e376c08, 0x5141ab53,
+ 0x2748774c, 0xdf8eeb99, 0x34b0bcb5, 0xe19b48a8,
+ 0x391c0cb3, 0xc5c95a63, 0x4ed8aa4a, 0xe3418acb,
+ 0x5b9cca4f, 0x7763e373, 0x682e6ff3, 0xd6b2b8a3,
+ 0x748f82ee, 0x5defb2fc, 0x78a5636f, 0x43172f60,
+ 0x84c87814, 0xa1f0ab72, 0x8cc70208, 0x1a6439ec,
+ 0x90befffa, 0x23631e28, 0xa4506ceb, 0xde82bde9,
+ 0xbef9a3f7, 0xb2c67915, 0xc67178f2, 0xe372532b,
+ 0xca273ece, 0xea26619c, 0xd186b8c7, 0x21c0c207,
+ 0xeada7dd6, 0xcde0eb1e, 0xf57d4f7f, 0xee6ed178,
+ 0x06f067aa, 0x72176fba, 0x0a637dc5, 0xa2c898a6,
+ 0x113f9804, 0xbef90dae, 0x1b710b35, 0x131c471b,
+ 0x28db77f5, 0x23047d84, 0x32caab7b, 0x40c72493,
+ 0x3c9ebe0a, 0x15c9bebc, 0x431d67c4, 0x9c100d4c,
+ 0x4cc5d4be, 0xcb3e42b6, 0x597f299c, 0xfc657e2a,
+ 0x5fcb6fab, 0x3ad6faec, 0x6c44198c, 0x4a475817
+];
+
+var sha1_K = [
+ 0x5A827999, 0x6ED9EBA1,
+ 0x8F1BBCDC, 0xCA62C1D6
+];
+
+function SHA256() {
+ if (!(this instanceof SHA256))
+ return new SHA256();
+
+ BlockHash.call(this);
+ this.h = [ 0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a,
+ 0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19 ];
+ this.k = sha256_K;
+ this.W = new Array(64);
+}
+utils.inherits(SHA256, BlockHash);
+exports.sha256 = SHA256;
+
+SHA256.blockSize = 512;
+SHA256.outSize = 256;
+SHA256.hmacStrength = 192;
+SHA256.padLength = 64;
+
+SHA256.prototype._update = function _update(msg, start) {
+ var W = this.W;
+
+ for (var i = 0; i < 16; i++)
+ W[i] = msg[start + i];
+ for (; i < W.length; i++)
+ W[i] = sum32_4(g1_256(W[i - 2]), W[i - 7], g0_256(W[i - 15]), W[i - 16]);
+
+ var a = this.h[0];
+ var b = this.h[1];
+ var c = this.h[2];
+ var d = this.h[3];
+ var e = this.h[4];
+ var f = this.h[5];
+ var g = this.h[6];
+ var h = this.h[7];
+
+ assert(this.k.length === W.length);
+ for (var i = 0; i < W.length; i++) {
+ var T1 = sum32_5(h, s1_256(e), ch32(e, f, g), this.k[i], W[i]);
+ var T2 = sum32(s0_256(a), maj32(a, b, c));
+ h = g;
+ g = f;
+ f = e;
+ e = sum32(d, T1);
+ d = c;
+ c = b;
+ b = a;
+ a = sum32(T1, T2);
+ }
+
+ this.h[0] = sum32(this.h[0], a);
+ this.h[1] = sum32(this.h[1], b);
+ this.h[2] = sum32(this.h[2], c);
+ this.h[3] = sum32(this.h[3], d);
+ this.h[4] = sum32(this.h[4], e);
+ this.h[5] = sum32(this.h[5], f);
+ this.h[6] = sum32(this.h[6], g);
+ this.h[7] = sum32(this.h[7], h);
+};
-},{}],89:[function(require,module,exports){
-var Point = require('./point')
-var Curve = require('./curve')
+SHA256.prototype._digest = function digest(enc) {
+ if (enc === 'hex')
+ return utils.toHex32(this.h, 'big');
+ else
+ return utils.split32(this.h, 'big');
+};
-var getCurveByName = require('./names')
+function SHA224() {
+ if (!(this instanceof SHA224))
+ return new SHA224();
-module.exports = {
- Curve: Curve,
- Point: Point,
- getCurveByName: getCurveByName
+ SHA256.call(this);
+ this.h = [ 0xc1059ed8, 0x367cd507, 0x3070dd17, 0xf70e5939,
+ 0xffc00b31, 0x68581511, 0x64f98fa7, 0xbefa4fa4 ];
}
+utils.inherits(SHA224, SHA256);
+exports.sha224 = SHA224;
-},{"./curve":87,"./names":90,"./point":91}],90:[function(require,module,exports){
-var BigInteger = require('bigi')
+SHA224.blockSize = 512;
+SHA224.outSize = 224;
+SHA224.hmacStrength = 192;
+SHA224.padLength = 64;
-var curves = require('./curves.json')
-var Curve = require('./curve')
+SHA224.prototype._digest = function digest(enc) {
+ // Just truncate output
+ if (enc === 'hex')
+ return utils.toHex32(this.h.slice(0, 7), 'big');
+ else
+ return utils.split32(this.h.slice(0, 7), 'big');
+};
-function getCurveByName (name) {
- var curve = curves[name]
- if (!curve) return null
+function SHA512() {
+ if (!(this instanceof SHA512))
+ return new SHA512();
+
+ BlockHash.call(this);
+ this.h = [ 0x6a09e667, 0xf3bcc908,
+ 0xbb67ae85, 0x84caa73b,
+ 0x3c6ef372, 0xfe94f82b,
+ 0xa54ff53a, 0x5f1d36f1,
+ 0x510e527f, 0xade682d1,
+ 0x9b05688c, 0x2b3e6c1f,
+ 0x1f83d9ab, 0xfb41bd6b,
+ 0x5be0cd19, 0x137e2179 ];
+ this.k = sha512_K;
+ this.W = new Array(160);
+}
+utils.inherits(SHA512, BlockHash);
+exports.sha512 = SHA512;
+
+SHA512.blockSize = 1024;
+SHA512.outSize = 512;
+SHA512.hmacStrength = 192;
+SHA512.padLength = 128;
+
+SHA512.prototype._prepareBlock = function _prepareBlock(msg, start) {
+ var W = this.W;
+
+ // 32 x 32bit words
+ for (var i = 0; i < 32; i++)
+ W[i] = msg[start + i];
+ for (; i < W.length; i += 2) {
+ var c0_hi = g1_512_hi(W[i - 4], W[i - 3]); // i - 2
+ var c0_lo = g1_512_lo(W[i - 4], W[i - 3]);
+ var c1_hi = W[i - 14]; // i - 7
+ var c1_lo = W[i - 13];
+ var c2_hi = g0_512_hi(W[i - 30], W[i - 29]); // i - 15
+ var c2_lo = g0_512_lo(W[i - 30], W[i - 29]);
+ var c3_hi = W[i - 32]; // i - 16
+ var c3_lo = W[i - 31];
+
+ W[i] = sum64_4_hi(c0_hi, c0_lo,
+ c1_hi, c1_lo,
+ c2_hi, c2_lo,
+ c3_hi, c3_lo);
+ W[i + 1] = sum64_4_lo(c0_hi, c0_lo,
+ c1_hi, c1_lo,
+ c2_hi, c2_lo,
+ c3_hi, c3_lo);
+ }
+};
- var p = new BigInteger(curve.p, 16)
- var a = new BigInteger(curve.a, 16)
- var b = new BigInteger(curve.b, 16)
- var n = new BigInteger(curve.n, 16)
- var h = new BigInteger(curve.h, 16)
- var Gx = new BigInteger(curve.Gx, 16)
- var Gy = new BigInteger(curve.Gy, 16)
+SHA512.prototype._update = function _update(msg, start) {
+ this._prepareBlock(msg, start);
+
+ var W = this.W;
+
+ var ah = this.h[0];
+ var al = this.h[1];
+ var bh = this.h[2];
+ var bl = this.h[3];
+ var ch = this.h[4];
+ var cl = this.h[5];
+ var dh = this.h[6];
+ var dl = this.h[7];
+ var eh = this.h[8];
+ var el = this.h[9];
+ var fh = this.h[10];
+ var fl = this.h[11];
+ var gh = this.h[12];
+ var gl = this.h[13];
+ var hh = this.h[14];
+ var hl = this.h[15];
+
+ assert(this.k.length === W.length);
+ for (var i = 0; i < W.length; i += 2) {
+ var c0_hi = hh;
+ var c0_lo = hl;
+ var c1_hi = s1_512_hi(eh, el);
+ var c1_lo = s1_512_lo(eh, el);
+ var c2_hi = ch64_hi(eh, el, fh, fl, gh, gl);
+ var c2_lo = ch64_lo(eh, el, fh, fl, gh, gl);
+ var c3_hi = this.k[i];
+ var c3_lo = this.k[i + 1];
+ var c4_hi = W[i];
+ var c4_lo = W[i + 1];
+
+ var T1_hi = sum64_5_hi(c0_hi, c0_lo,
+ c1_hi, c1_lo,
+ c2_hi, c2_lo,
+ c3_hi, c3_lo,
+ c4_hi, c4_lo);
+ var T1_lo = sum64_5_lo(c0_hi, c0_lo,
+ c1_hi, c1_lo,
+ c2_hi, c2_lo,
+ c3_hi, c3_lo,
+ c4_hi, c4_lo);
+
+ var c0_hi = s0_512_hi(ah, al);
+ var c0_lo = s0_512_lo(ah, al);
+ var c1_hi = maj64_hi(ah, al, bh, bl, ch, cl);
+ var c1_lo = maj64_lo(ah, al, bh, bl, ch, cl);
+
+ var T2_hi = sum64_hi(c0_hi, c0_lo, c1_hi, c1_lo);
+ var T2_lo = sum64_lo(c0_hi, c0_lo, c1_hi, c1_lo);
+
+ hh = gh;
+ hl = gl;
+
+ gh = fh;
+ gl = fl;
+
+ fh = eh;
+ fl = el;
+
+ eh = sum64_hi(dh, dl, T1_hi, T1_lo);
+ el = sum64_lo(dl, dl, T1_hi, T1_lo);
+
+ dh = ch;
+ dl = cl;
+
+ ch = bh;
+ cl = bl;
+
+ bh = ah;
+ bl = al;
+
+ ah = sum64_hi(T1_hi, T1_lo, T2_hi, T2_lo);
+ al = sum64_lo(T1_hi, T1_lo, T2_hi, T2_lo);
+ }
+
+ sum64(this.h, 0, ah, al);
+ sum64(this.h, 2, bh, bl);
+ sum64(this.h, 4, ch, cl);
+ sum64(this.h, 6, dh, dl);
+ sum64(this.h, 8, eh, el);
+ sum64(this.h, 10, fh, fl);
+ sum64(this.h, 12, gh, gl);
+ sum64(this.h, 14, hh, hl);
+};
- return new Curve(p, a, b, Gx, Gy, n, h)
-}
+SHA512.prototype._digest = function digest(enc) {
+ if (enc === 'hex')
+ return utils.toHex32(this.h, 'big');
+ else
+ return utils.split32(this.h, 'big');
+};
-module.exports = getCurveByName
+function SHA384() {
+ if (!(this instanceof SHA384))
+ return new SHA384();
+
+ SHA512.call(this);
+ this.h = [ 0xcbbb9d5d, 0xc1059ed8,
+ 0x629a292a, 0x367cd507,
+ 0x9159015a, 0x3070dd17,
+ 0x152fecd8, 0xf70e5939,
+ 0x67332667, 0xffc00b31,
+ 0x8eb44a87, 0x68581511,
+ 0xdb0c2e0d, 0x64f98fa7,
+ 0x47b5481d, 0xbefa4fa4 ];
+}
+utils.inherits(SHA384, SHA512);
+exports.sha384 = SHA384;
+
+SHA384.blockSize = 1024;
+SHA384.outSize = 384;
+SHA384.hmacStrength = 192;
+SHA384.padLength = 128;
+
+SHA384.prototype._digest = function digest(enc) {
+ if (enc === 'hex')
+ return utils.toHex32(this.h.slice(0, 12), 'big');
+ else
+ return utils.split32(this.h.slice(0, 12), 'big');
+};
-},{"./curve":87,"./curves.json":88,"bigi":37}],91:[function(require,module,exports){
-(function (Buffer){
-var assert = require('assert')
-var BigInteger = require('bigi')
+function SHA1() {
+ if (!(this instanceof SHA1))
+ return new SHA1();
-var THREE = BigInteger.valueOf(3)
+ BlockHash.call(this);
+ this.h = [ 0x67452301, 0xefcdab89, 0x98badcfe,
+ 0x10325476, 0xc3d2e1f0 ];
+ this.W = new Array(80);
+}
-function Point (curve, x, y, z) {
- assert.notStrictEqual(z, undefined, 'Missing Z coordinate')
+utils.inherits(SHA1, BlockHash);
+exports.sha1 = SHA1;
- this.curve = curve
- this.x = x
- this.y = y
- this.z = z
- this._zInv = null
+SHA1.blockSize = 512;
+SHA1.outSize = 160;
+SHA1.hmacStrength = 80;
+SHA1.padLength = 64;
- this.compressed = true
-}
+SHA1.prototype._update = function _update(msg, start) {
+ var W = this.W;
-Object.defineProperty(Point.prototype, 'zInv', {
- get: function () {
- if (this._zInv === null) {
- this._zInv = this.z.modInverse(this.curve.p)
- }
+ for (var i = 0; i < 16; i++)
+ W[i] = msg[start + i];
- return this._zInv
- }
-})
+ for(; i < W.length; i++)
+ W[i] = rotl32(W[i - 3] ^ W[i - 8] ^ W[i - 14] ^ W[i - 16], 1);
-Object.defineProperty(Point.prototype, 'affineX', {
- get: function () {
- return this.x.multiply(this.zInv).mod(this.curve.p)
- }
-})
+ var a = this.h[0];
+ var b = this.h[1];
+ var c = this.h[2];
+ var d = this.h[3];
+ var e = this.h[4];
-Object.defineProperty(Point.prototype, 'affineY', {
- get: function () {
- return this.y.multiply(this.zInv).mod(this.curve.p)
+ for (var i = 0; i < W.length; i++) {
+ var s = ~~(i / 20);
+ var t = sum32_5(rotl32(a, 5), ft_1(s, b, c, d), e, W[i], sha1_K[s]);
+ e = d;
+ d = c;
+ c = rotl32(b, 30);
+ b = a;
+ a = t;
}
-})
-Point.fromAffine = function (curve, x, y) {
- return new Point(curve, x, y, BigInteger.ONE)
+ this.h[0] = sum32(this.h[0], a);
+ this.h[1] = sum32(this.h[1], b);
+ this.h[2] = sum32(this.h[2], c);
+ this.h[3] = sum32(this.h[3], d);
+ this.h[4] = sum32(this.h[4], e);
+};
+
+SHA1.prototype._digest = function digest(enc) {
+ if (enc === 'hex')
+ return utils.toHex32(this.h, 'big');
+ else
+ return utils.split32(this.h, 'big');
+};
+
+function ch32(x, y, z) {
+ return (x & y) ^ ((~x) & z);
}
-Point.prototype.equals = function (other) {
- if (other === this) return true
- if (this.curve.isInfinity(this)) return this.curve.isInfinity(other)
- if (this.curve.isInfinity(other)) return this.curve.isInfinity(this)
+function maj32(x, y, z) {
+ return (x & y) ^ (x & z) ^ (y & z);
+}
- // u = Y2 * Z1 - Y1 * Z2
- var u = other.y.multiply(this.z).subtract(this.y.multiply(other.z)).mod(this.curve.p)
+function p32(x, y, z) {
+ return x ^ y ^ z;
+}
- if (u.signum() !== 0) return false
+function s0_256(x) {
+ return rotr32(x, 2) ^ rotr32(x, 13) ^ rotr32(x, 22);
+}
- // v = X2 * Z1 - X1 * Z2
- var v = other.x.multiply(this.z).subtract(this.x.multiply(other.z)).mod(this.curve.p)
+function s1_256(x) {
+ return rotr32(x, 6) ^ rotr32(x, 11) ^ rotr32(x, 25);
+}
- return v.signum() === 0
+function g0_256(x) {
+ return rotr32(x, 7) ^ rotr32(x, 18) ^ (x >>> 3);
}
-Point.prototype.negate = function () {
- var y = this.curve.p.subtract(this.y)
+function g1_256(x) {
+ return rotr32(x, 17) ^ rotr32(x, 19) ^ (x >>> 10);
+}
- return new Point(this.curve, this.x, y, this.z)
+function ft_1(s, x, y, z) {
+ if (s === 0)
+ return ch32(x, y, z);
+ if (s === 1 || s === 3)
+ return p32(x, y, z);
+ if (s === 2)
+ return maj32(x, y, z);
}
-Point.prototype.add = function (b) {
- if (this.curve.isInfinity(this)) return b
- if (this.curve.isInfinity(b)) return this
+function ch64_hi(xh, xl, yh, yl, zh, zl) {
+ var r = (xh & yh) ^ ((~xh) & zh);
+ if (r < 0)
+ r += 0x100000000;
+ return r;
+}
- var x1 = this.x
- var y1 = this.y
- var x2 = b.x
- var y2 = b.y
+function ch64_lo(xh, xl, yh, yl, zh, zl) {
+ var r = (xl & yl) ^ ((~xl) & zl);
+ if (r < 0)
+ r += 0x100000000;
+ return r;
+}
- // u = Y2 * Z1 - Y1 * Z2
- var u = y2.multiply(this.z).subtract(y1.multiply(b.z)).mod(this.curve.p)
- // v = X2 * Z1 - X1 * Z2
- var v = x2.multiply(this.z).subtract(x1.multiply(b.z)).mod(this.curve.p)
+function maj64_hi(xh, xl, yh, yl, zh, zl) {
+ var r = (xh & yh) ^ (xh & zh) ^ (yh & zh);
+ if (r < 0)
+ r += 0x100000000;
+ return r;
+}
- if (v.signum() === 0) {
- if (u.signum() === 0) {
- return this.twice() // this == b, so double
- }
+function maj64_lo(xh, xl, yh, yl, zh, zl) {
+ var r = (xl & yl) ^ (xl & zl) ^ (yl & zl);
+ if (r < 0)
+ r += 0x100000000;
+ return r;
+}
- return this.curve.infinity // this = -b, so infinity
- }
+function s0_512_hi(xh, xl) {
+ var c0_hi = rotr64_hi(xh, xl, 28);
+ var c1_hi = rotr64_hi(xl, xh, 2); // 34
+ var c2_hi = rotr64_hi(xl, xh, 7); // 39
- var v2 = v.square()
- var v3 = v2.multiply(v)
- var x1v2 = x1.multiply(v2)
- var zu2 = u.square().multiply(this.z)
+ var r = c0_hi ^ c1_hi ^ c2_hi;
+ if (r < 0)
+ r += 0x100000000;
+ return r;
+}
- // x3 = v * (z2 * (z1 * u^2 - 2 * x1 * v^2) - v^3)
- var x3 = zu2.subtract(x1v2.shiftLeft(1)).multiply(b.z).subtract(v3).multiply(v).mod(this.curve.p)
- // y3 = z2 * (3 * x1 * u * v^2 - y1 * v^3 - z1 * u^3) + u * v^3
- var y3 = x1v2.multiply(THREE).multiply(u).subtract(y1.multiply(v3)).subtract(zu2.multiply(u)).multiply(b.z).add(u.multiply(v3)).mod(this.curve.p)
- // z3 = v^3 * z1 * z2
- var z3 = v3.multiply(this.z).multiply(b.z).mod(this.curve.p)
+function s0_512_lo(xh, xl) {
+ var c0_lo = rotr64_lo(xh, xl, 28);
+ var c1_lo = rotr64_lo(xl, xh, 2); // 34
+ var c2_lo = rotr64_lo(xl, xh, 7); // 39
- return new Point(this.curve, x3, y3, z3)
+ var r = c0_lo ^ c1_lo ^ c2_lo;
+ if (r < 0)
+ r += 0x100000000;
+ return r;
}
-Point.prototype.twice = function () {
- if (this.curve.isInfinity(this)) return this
- if (this.y.signum() === 0) return this.curve.infinity
+function s1_512_hi(xh, xl) {
+ var c0_hi = rotr64_hi(xh, xl, 14);
+ var c1_hi = rotr64_hi(xh, xl, 18);
+ var c2_hi = rotr64_hi(xl, xh, 9); // 41
- var x1 = this.x
- var y1 = this.y
+ var r = c0_hi ^ c1_hi ^ c2_hi;
+ if (r < 0)
+ r += 0x100000000;
+ return r;
+}
- var y1z1 = y1.multiply(this.z).mod(this.curve.p)
- var y1sqz1 = y1z1.multiply(y1).mod(this.curve.p)
- var a = this.curve.a
+function s1_512_lo(xh, xl) {
+ var c0_lo = rotr64_lo(xh, xl, 14);
+ var c1_lo = rotr64_lo(xh, xl, 18);
+ var c2_lo = rotr64_lo(xl, xh, 9); // 41
- // w = 3 * x1^2 + a * z1^2
- var w = x1.square().multiply(THREE)
+ var r = c0_lo ^ c1_lo ^ c2_lo;
+ if (r < 0)
+ r += 0x100000000;
+ return r;
+}
- if (a.signum() !== 0) {
- w = w.add(this.z.square().multiply(a))
- }
+function g0_512_hi(xh, xl) {
+ var c0_hi = rotr64_hi(xh, xl, 1);
+ var c1_hi = rotr64_hi(xh, xl, 8);
+ var c2_hi = shr64_hi(xh, xl, 7);
- w = w.mod(this.curve.p)
- // x3 = 2 * y1 * z1 * (w^2 - 8 * x1 * y1^2 * z1)
- var x3 = w.square().subtract(x1.shiftLeft(3).multiply(y1sqz1)).shiftLeft(1).multiply(y1z1).mod(this.curve.p)
- // y3 = 4 * y1^2 * z1 * (3 * w * x1 - 2 * y1^2 * z1) - w^3
- var y3 = w.multiply(THREE).multiply(x1).subtract(y1sqz1.shiftLeft(1)).shiftLeft(2).multiply(y1sqz1).subtract(w.pow(3)).mod(this.curve.p)
- // z3 = 8 * (y1 * z1)^3
- var z3 = y1z1.pow(3).shiftLeft(3).mod(this.curve.p)
+ var r = c0_hi ^ c1_hi ^ c2_hi;
+ if (r < 0)
+ r += 0x100000000;
+ return r;
+}
- return new Point(this.curve, x3, y3, z3)
+function g0_512_lo(xh, xl) {
+ var c0_lo = rotr64_lo(xh, xl, 1);
+ var c1_lo = rotr64_lo(xh, xl, 8);
+ var c2_lo = shr64_lo(xh, xl, 7);
+
+ var r = c0_lo ^ c1_lo ^ c2_lo;
+ if (r < 0)
+ r += 0x100000000;
+ return r;
}
-// Simple NAF (Non-Adjacent Form) multiplication algorithm
-// TODO: modularize the multiplication algorithm
-Point.prototype.multiply = function (k) {
- if (this.curve.isInfinity(this)) return this
- if (k.signum() === 0) return this.curve.infinity
+function g1_512_hi(xh, xl) {
+ var c0_hi = rotr64_hi(xh, xl, 19);
+ var c1_hi = rotr64_hi(xl, xh, 29); // 61
+ var c2_hi = shr64_hi(xh, xl, 6);
- var e = k
- var h = e.multiply(THREE)
+ var r = c0_hi ^ c1_hi ^ c2_hi;
+ if (r < 0)
+ r += 0x100000000;
+ return r;
+}
- var neg = this.negate()
- var R = this
+function g1_512_lo(xh, xl) {
+ var c0_lo = rotr64_lo(xh, xl, 19);
+ var c1_lo = rotr64_lo(xl, xh, 29); // 61
+ var c2_lo = shr64_lo(xh, xl, 6);
- for (var i = h.bitLength() - 2; i > 0; --i) {
- var hBit = h.testBit(i)
- var eBit = e.testBit(i)
+ var r = c0_lo ^ c1_lo ^ c2_lo;
+ if (r < 0)
+ r += 0x100000000;
+ return r;
+}
- R = R.twice()
+},{"../hash":114}],119:[function(require,module,exports){
+var utils = exports;
+var inherits = require('inherits');
- if (hBit !== eBit) {
- R = R.add(hBit ? this : neg)
+function toArray(msg, enc) {
+ if (Array.isArray(msg))
+ return msg.slice();
+ if (!msg)
+ return [];
+ var res = [];
+ if (typeof msg === 'string') {
+ if (!enc) {
+ for (var i = 0; i < msg.length; i++) {
+ var c = msg.charCodeAt(i);
+ var hi = c >> 8;
+ var lo = c & 0xff;
+ if (hi)
+ res.push(hi, lo);
+ else
+ res.push(lo);
+ }
+ } else if (enc === 'hex') {
+ msg = msg.replace(/[^a-z0-9]+/ig, '');
+ if (msg.length % 2 !== 0)
+ msg = '0' + msg;
+ for (var i = 0; i < msg.length; i += 2)
+ res.push(parseInt(msg[i] + msg[i + 1], 16));
}
+ } else {
+ for (var i = 0; i < msg.length; i++)
+ res[i] = msg[i] | 0;
}
-
- return R
+ return res;
}
+utils.toArray = toArray;
-// Compute this*j + x*k (simultaneous multiplication)
-Point.prototype.multiplyTwo = function (j, x, k) {
- var i = Math.max(j.bitLength(), k.bitLength()) - 1
- var R = this.curve.infinity
- var both = this.add(x)
+function toHex(msg) {
+ var res = '';
+ for (var i = 0; i < msg.length; i++)
+ res += zero2(msg[i].toString(16));
+ return res;
+}
+utils.toHex = toHex;
- while (i >= 0) {
- var jBit = j.testBit(i)
- var kBit = k.testBit(i)
+function htonl(w) {
+ var res = (w >>> 24) |
+ ((w >>> 8) & 0xff00) |
+ ((w << 8) & 0xff0000) |
+ ((w & 0xff) << 24);
+ return res >>> 0;
+}
+utils.htonl = htonl;
- R = R.twice()
+function toHex32(msg, endian) {
+ var res = '';
+ for (var i = 0; i < msg.length; i++) {
+ var w = msg[i];
+ if (endian === 'little')
+ w = htonl(w);
+ res += zero8(w.toString(16));
+ }
+ return res;
+}
+utils.toHex32 = toHex32;
- if (jBit) {
- if (kBit) {
- R = R.add(both)
- } else {
- R = R.add(this)
- }
- } else if (kBit) {
- R = R.add(x)
+function zero2(word) {
+ if (word.length === 1)
+ return '0' + word;
+ else
+ return word;
+}
+utils.zero2 = zero2;
+
+function zero8(word) {
+ if (word.length === 7)
+ return '0' + word;
+ else if (word.length === 6)
+ return '00' + word;
+ else if (word.length === 5)
+ return '000' + word;
+ else if (word.length === 4)
+ return '0000' + word;
+ else if (word.length === 3)
+ return '00000' + word;
+ else if (word.length === 2)
+ return '000000' + word;
+ else if (word.length === 1)
+ return '0000000' + word;
+ else
+ return word;
+}
+utils.zero8 = zero8;
+
+function join32(msg, start, end, endian) {
+ var len = end - start;
+ assert(len % 4 === 0);
+ var res = new Array(len / 4);
+ for (var i = 0, k = start; i < res.length; i++, k += 4) {
+ var w;
+ if (endian === 'big')
+ w = (msg[k] << 24) | (msg[k + 1] << 16) | (msg[k + 2] << 8) | msg[k + 3];
+ else
+ w = (msg[k + 3] << 24) | (msg[k + 2] << 16) | (msg[k + 1] << 8) | msg[k];
+ res[i] = w >>> 0;
+ }
+ return res;
+}
+utils.join32 = join32;
+
+function split32(msg, endian) {
+ var res = new Array(msg.length * 4);
+ for (var i = 0, k = 0; i < msg.length; i++, k += 4) {
+ var m = msg[i];
+ if (endian === 'big') {
+ res[k] = m >>> 24;
+ res[k + 1] = (m >>> 16) & 0xff;
+ res[k + 2] = (m >>> 8) & 0xff;
+ res[k + 3] = m & 0xff;
+ } else {
+ res[k + 3] = m >>> 24;
+ res[k + 2] = (m >>> 16) & 0xff;
+ res[k + 1] = (m >>> 8) & 0xff;
+ res[k] = m & 0xff;
}
- --i
}
-
- return R
+ return res;
}
+utils.split32 = split32;
-Point.prototype.getEncoded = function (compressed) {
- if (compressed == null) compressed = this.compressed
- if (this.curve.isInfinity(this)) return new Buffer('00', 'hex') // Infinity point encoded is simply '00'
+function rotr32(w, b) {
+ return (w >>> b) | (w << (32 - b));
+}
+utils.rotr32 = rotr32;
- var x = this.affineX
- var y = this.affineY
- var byteLength = this.curve.pLength
- var buffer
+function rotl32(w, b) {
+ return (w << b) | (w >>> (32 - b));
+}
+utils.rotl32 = rotl32;
- // 0x02/0x03 | X
- if (compressed) {
- buffer = new Buffer(1 + byteLength)
- buffer.writeUInt8(y.isEven() ? 0x02 : 0x03, 0)
+function sum32(a, b) {
+ return (a + b) >>> 0;
+}
+utils.sum32 = sum32;
- // 0x04 | X | Y
- } else {
- buffer = new Buffer(1 + byteLength + byteLength)
- buffer.writeUInt8(0x04, 0)
+function sum32_3(a, b, c) {
+ return (a + b + c) >>> 0;
+}
+utils.sum32_3 = sum32_3;
- y.toBuffer(byteLength).copy(buffer, 1 + byteLength)
- }
+function sum32_4(a, b, c, d) {
+ return (a + b + c + d) >>> 0;
+}
+utils.sum32_4 = sum32_4;
- x.toBuffer(byteLength).copy(buffer, 1)
+function sum32_5(a, b, c, d, e) {
+ return (a + b + c + d + e) >>> 0;
+}
+utils.sum32_5 = sum32_5;
- return buffer
+function assert(cond, msg) {
+ if (!cond)
+ throw new Error(msg || 'Assertion failed');
}
+utils.assert = assert;
-Point.decodeFrom = function (curve, buffer) {
- var type = buffer.readUInt8(0)
- var compressed = (type !== 4)
+utils.inherits = inherits;
- var byteLength = Math.floor((curve.p.bitLength() + 7) / 8)
- var x = BigInteger.fromBuffer(buffer.slice(1, 1 + byteLength))
+function sum64(buf, pos, ah, al) {
+ var bh = buf[pos];
+ var bl = buf[pos + 1];
- var Q
- if (compressed) {
- assert.equal(buffer.length, byteLength + 1, 'Invalid sequence length')
- assert(type === 0x02 || type === 0x03, 'Invalid sequence tag')
+ var lo = (al + bl) >>> 0;
+ var hi = (lo < al ? 1 : 0) + ah + bh;
+ buf[pos] = hi >>> 0;
+ buf[pos + 1] = lo;
+}
+exports.sum64 = sum64;
- var isOdd = (type === 0x03)
- Q = curve.pointFromX(isOdd, x)
- } else {
- assert.equal(buffer.length, 1 + byteLength + byteLength, 'Invalid sequence length')
+function sum64_hi(ah, al, bh, bl) {
+ var lo = (al + bl) >>> 0;
+ var hi = (lo < al ? 1 : 0) + ah + bh;
+ return hi >>> 0;
+};
+exports.sum64_hi = sum64_hi;
- var y = BigInteger.fromBuffer(buffer.slice(1 + byteLength))
- Q = Point.fromAffine(curve, x, y)
- }
+function sum64_lo(ah, al, bh, bl) {
+ var lo = al + bl;
+ return lo >>> 0;
+};
+exports.sum64_lo = sum64_lo;
+
+function sum64_4_hi(ah, al, bh, bl, ch, cl, dh, dl) {
+ var carry = 0;
+ var lo = al;
+ lo = (lo + bl) >>> 0;
+ carry += lo < al ? 1 : 0;
+ lo = (lo + cl) >>> 0;
+ carry += lo < cl ? 1 : 0;
+ lo = (lo + dl) >>> 0;
+ carry += lo < dl ? 1 : 0;
+
+ var hi = ah + bh + ch + dh + carry;
+ return hi >>> 0;
+};
+exports.sum64_4_hi = sum64_4_hi;
- Q.compressed = compressed
- return Q
-}
+function sum64_4_lo(ah, al, bh, bl, ch, cl, dh, dl) {
+ var lo = al + bl + cl + dl;
+ return lo >>> 0;
+};
+exports.sum64_4_lo = sum64_4_lo;
+
+function sum64_5_hi(ah, al, bh, bl, ch, cl, dh, dl, eh, el) {
+ var carry = 0;
+ var lo = al;
+ lo = (lo + bl) >>> 0;
+ carry += lo < al ? 1 : 0;
+ lo = (lo + cl) >>> 0;
+ carry += lo < cl ? 1 : 0;
+ lo = (lo + dl) >>> 0;
+ carry += lo < dl ? 1 : 0;
+ lo = (lo + el) >>> 0;
+ carry += lo < el ? 1 : 0;
+
+ var hi = ah + bh + ch + dh + eh + carry;
+ return hi >>> 0;
+};
+exports.sum64_5_hi = sum64_5_hi;
-Point.prototype.toString = function () {
- if (this.curve.isInfinity(this)) return '(INFINITY)'
+function sum64_5_lo(ah, al, bh, bl, ch, cl, dh, dl, eh, el) {
+ var lo = al + bl + cl + dl + el;
- return '(' + this.affineX.toString() + ',' + this.affineY.toString() + ')'
-}
+ return lo >>> 0;
+};
+exports.sum64_5_lo = sum64_5_lo;
-module.exports = Point
+function rotr64_hi(ah, al, num) {
+ var r = (al << (32 - num)) | (ah >>> num);
+ return r >>> 0;
+};
+exports.rotr64_hi = rotr64_hi;
-}).call(this,require("buffer").Buffer)
-},{"assert":1,"bigi":37,"buffer":4}],92:[function(require,module,exports){
-(function (Buffer){
-'use strict'
-var Transform = require('stream').Transform
-var inherits = require('inherits')
+function rotr64_lo(ah, al, num) {
+ var r = (ah << (32 - num)) | (al >>> num);
+ return r >>> 0;
+};
+exports.rotr64_lo = rotr64_lo;
-function HashBase (blockSize) {
- Transform.call(this)
+function shr64_hi(ah, al, num) {
+ return ah >>> num;
+};
+exports.shr64_hi = shr64_hi;
- this._block = new Buffer(blockSize)
- this._blockSize = blockSize
- this._blockOffset = 0
- this._length = [0, 0, 0, 0]
+function shr64_lo(ah, al, num) {
+ var r = (ah << (32 - num)) | (al >>> num);
+ return r >>> 0;
+};
+exports.shr64_lo = shr64_lo;
- this._finalized = false
-}
+},{"inherits":121}],120:[function(require,module,exports){
+'use strict';
-inherits(HashBase, Transform)
+var hash = require('hash.js');
+var utils = require('minimalistic-crypto-utils');
+var assert = require('minimalistic-assert');
-HashBase.prototype._transform = function (chunk, encoding, callback) {
- var error = null
- try {
- if (encoding !== 'buffer') chunk = new Buffer(chunk, encoding)
- this.update(chunk)
- } catch (err) {
- error = err
- }
+function HmacDRBG(options) {
+ if (!(this instanceof HmacDRBG))
+ return new HmacDRBG(options);
+ this.hash = options.hash;
+ this.predResist = !!options.predResist;
- callback(error)
-}
+ this.outLen = this.hash.outSize;
+ this.minEntropy = options.minEntropy || this.hash.hmacStrength;
-HashBase.prototype._flush = function (callback) {
- var error = null
- try {
- this.push(this._digest())
- } catch (err) {
- error = err
- }
+ this._reseed = null;
+ this.reseedInterval = null;
+ this.K = null;
+ this.V = null;
- callback(error)
+ var entropy = utils.toArray(options.entropy, options.entropyEnc || 'hex');
+ var nonce = utils.toArray(options.nonce, options.nonceEnc || 'hex');
+ var pers = utils.toArray(options.pers, options.persEnc || 'hex');
+ assert(entropy.length >= (this.minEntropy / 8),
+ 'Not enough entropy. Minimum is: ' + this.minEntropy + ' bits');
+ this._init(entropy, nonce, pers);
}
+module.exports = HmacDRBG;
-HashBase.prototype.update = function (data, encoding) {
- if (!Buffer.isBuffer(data) && typeof data !== 'string') throw new TypeError('Data must be a string or a buffer')
- if (this._finalized) throw new Error('Digest already called')
- if (!Buffer.isBuffer(data)) data = new Buffer(data, encoding || 'binary')
+HmacDRBG.prototype._init = function init(entropy, nonce, pers) {
+ var seed = entropy.concat(nonce).concat(pers);
- // consume data
- var block = this._block
- var offset = 0
- while (this._blockOffset + data.length - offset >= this._blockSize) {
- for (var i = this._blockOffset; i < this._blockSize;) block[i++] = data[offset++]
- this._update()
- this._blockOffset = 0
+ this.K = new Array(this.outLen / 8);
+ this.V = new Array(this.outLen / 8);
+ for (var i = 0; i < this.V.length; i++) {
+ this.K[i] = 0x00;
+ this.V[i] = 0x01;
}
- while (offset < data.length) block[this._blockOffset++] = data[offset++]
- // update length
- for (var j = 0, carry = data.length * 8; carry > 0; ++j) {
- this._length[j] += carry
- carry = (this._length[j] / 0x0100000000) | 0
- if (carry > 0) this._length[j] -= 0x0100000000 * carry
+ this._update(seed);
+ this._reseed = 1;
+ this.reseedInterval = 0x1000000000000; // 2^48
+};
+
+HmacDRBG.prototype._hmac = function hmac() {
+ return new hash.hmac(this.hash, this.K);
+};
+
+HmacDRBG.prototype._update = function update(seed) {
+ var kmac = this._hmac()
+ .update(this.V)
+ .update([ 0x00 ]);
+ if (seed)
+ kmac = kmac.update(seed);
+ this.K = kmac.digest();
+ this.V = this._hmac().update(this.V).digest();
+ if (!seed)
+ return;
+
+ this.K = this._hmac()
+ .update(this.V)
+ .update([ 0x01 ])
+ .update(seed)
+ .digest();
+ this.V = this._hmac().update(this.V).digest();
+};
+
+HmacDRBG.prototype.reseed = function reseed(entropy, entropyEnc, add, addEnc) {
+ // Optional entropy enc
+ if (typeof entropyEnc !== 'string') {
+ addEnc = add;
+ add = entropyEnc;
+ entropyEnc = null;
}
- return this
-}
+ entropy = utils.toArray(entropy, entropyEnc);
+ add = utils.toArray(add, addEnc);
-HashBase.prototype._update = function (data) {
- throw new Error('_update is not implemented')
-}
+ assert(entropy.length >= (this.minEntropy / 8),
+ 'Not enough entropy. Minimum is: ' + this.minEntropy + ' bits');
-HashBase.prototype.digest = function (encoding) {
- if (this._finalized) throw new Error('Digest already called')
- this._finalized = true
+ this._update(entropy.concat(add || []));
+ this._reseed = 1;
+};
- var digest = this._digest()
- if (encoding !== undefined) digest = digest.toString(encoding)
- return digest
-}
+HmacDRBG.prototype.generate = function generate(len, enc, add, addEnc) {
+ if (this._reseed > this.reseedInterval)
+ throw new Error('Reseed is required');
-HashBase.prototype._digest = function () {
- throw new Error('_digest is not implemented')
-}
+ // Optional encoding
+ if (typeof enc !== 'string') {
+ addEnc = add;
+ add = enc;
+ enc = null;
+ }
-module.exports = HashBase
+ // Optional additional data
+ if (add) {
+ add = utils.toArray(add, addEnc || 'hex');
+ this._update(add);
+ }
-}).call(this,require("buffer").Buffer)
-},{"buffer":4,"inherits":93,"stream":27}],93:[function(require,module,exports){
-arguments[4][8][0].apply(exports,arguments)
-},{"dup":8}],94:[function(require,module,exports){
+ var temp = [];
+ while (temp.length < len) {
+ this.V = this._hmac().update(this.V).digest();
+ temp = temp.concat(this.V);
+ }
+
+ var res = temp.slice(0, len);
+ this._update(add);
+ this._reseed++;
+ return utils.encode(res, enc);
+};
+
+},{"hash.js":114,"minimalistic-assert":123,"minimalistic-crypto-utils":124}],121:[function(require,module,exports){
+arguments[4][9][0].apply(exports,arguments)
+},{"dup":9}],122:[function(require,module,exports){
(function (Buffer){
// constant-space merkle root calculation algorithm
module.exports = function fastRoot (values, digestFn) {
}
}).call(this,require("buffer").Buffer)
-},{"buffer":4}],95:[function(require,module,exports){
+},{"buffer":5}],123:[function(require,module,exports){
+module.exports = assert;
+
+function assert(val, msg) {
+ if (!val)
+ throw new Error(msg || 'Assertion failed');
+}
+
+assert.equal = function assertEqual(l, r, msg) {
+ if (l != r)
+ throw new Error(msg || ('Assertion failed: ' + l + ' != ' + r));
+};
+
+},{}],124:[function(require,module,exports){
+'use strict';
+
+var utils = exports;
+
+function toArray(msg, enc) {
+ if (Array.isArray(msg))
+ return msg.slice();
+ if (!msg)
+ return [];
+ var res = [];
+ if (typeof msg !== 'string') {
+ for (var i = 0; i < msg.length; i++)
+ res[i] = msg[i] | 0;
+ return res;
+ }
+ if (enc === 'hex') {
+ msg = msg.replace(/[^a-z0-9]+/ig, '');
+ if (msg.length % 2 !== 0)
+ msg = '0' + msg;
+ for (var i = 0; i < msg.length; i += 2)
+ res.push(parseInt(msg[i] + msg[i + 1], 16));
+ } else {
+ for (var i = 0; i < msg.length; i++) {
+ var c = msg.charCodeAt(i);
+ var hi = c >> 8;
+ var lo = c & 0xff;
+ if (hi)
+ res.push(hi, lo);
+ else
+ res.push(lo);
+ }
+ }
+ return res;
+}
+utils.toArray = toArray;
+
+function zero2(word) {
+ if (word.length === 1)
+ return '0' + word;
+ else
+ return word;
+}
+utils.zero2 = zero2;
+
+function toHex(msg) {
+ var res = '';
+ for (var i = 0; i < msg.length; i++)
+ res += zero2(msg[i].toString(16));
+ return res;
+}
+utils.toHex = toHex;
+
+utils.encode = function encode(arr, enc) {
+ if (enc === 'hex')
+ return toHex(arr);
+ else
+ return arr;
+};
+
+},{}],125:[function(require,module,exports){
var OPS = require('bitcoin-ops')
function encodingLength (i) {
decode: decode
}
-},{"bitcoin-ops":40}],96:[function(require,module,exports){
+},{"bitcoin-ops":42}],126:[function(require,module,exports){
(function (process,global){
'use strict'
}
}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"_process":12,"safe-buffer":98}],97:[function(require,module,exports){
+},{"_process":13,"safe-buffer":128}],127:[function(require,module,exports){
(function (Buffer){
'use strict'
var inherits = require('inherits')
module.exports = RIPEMD160
}).call(this,require("buffer").Buffer)
-},{"buffer":4,"hash-base":92,"inherits":93}],98:[function(require,module,exports){
-arguments[4][26][0].apply(exports,arguments)
-},{"buffer":4,"dup":26}],99:[function(require,module,exports){
-(function (Buffer){
+},{"buffer":5,"hash-base":113,"inherits":121}],128:[function(require,module,exports){
+/* eslint-disable node/no-deprecated-api */
+var buffer = require('buffer')
+var Buffer = buffer.Buffer
+
+// alternative to using Object.keys for old browsers
+function copyProps (src, dst) {
+ for (var key in src) {
+ dst[key] = src[key]
+ }
+}
+if (Buffer.from && Buffer.alloc && Buffer.allocUnsafe && Buffer.allocUnsafeSlow) {
+ module.exports = buffer
+} else {
+ // Copy properties from require('buffer')
+ copyProps(buffer, exports)
+ exports.Buffer = SafeBuffer
+}
+
+function SafeBuffer (arg, encodingOrOffset, length) {
+ return Buffer(arg, encodingOrOffset, length)
+}
+
+// Copy static methods from Buffer
+copyProps(Buffer, SafeBuffer)
+
+SafeBuffer.from = function (arg, encodingOrOffset, length) {
+ if (typeof arg === 'number') {
+ throw new TypeError('Argument must not be a number')
+ }
+ return Buffer(arg, encodingOrOffset, length)
+}
+
+SafeBuffer.alloc = function (size, fill, encoding) {
+ if (typeof size !== 'number') {
+ throw new TypeError('Argument must be a number')
+ }
+ var buf = Buffer(size)
+ if (fill !== undefined) {
+ if (typeof encoding === 'string') {
+ buf.fill(fill, encoding)
+ } else {
+ buf.fill(fill)
+ }
+ } else {
+ buf.fill(0)
+ }
+ return buf
+}
+
+SafeBuffer.allocUnsafe = function (size) {
+ if (typeof size !== 'number') {
+ throw new TypeError('Argument must be a number')
+ }
+ return Buffer(size)
+}
+
+SafeBuffer.allocUnsafeSlow = function (size) {
+ if (typeof size !== 'number') {
+ throw new TypeError('Argument must be a number')
+ }
+ return buffer.SlowBuffer(size)
+}
+
+},{"buffer":5}],129:[function(require,module,exports){
+var Buffer = require('safe-buffer').Buffer
+
// prototype class for hash functions
function Hash (blockSize, finalSize) {
- this._block = new Buffer(blockSize)
+ this._block = Buffer.alloc(blockSize)
this._finalSize = finalSize
this._blockSize = blockSize
this._len = 0
- this._s = 0
}
Hash.prototype.update = function (data, enc) {
if (typeof data === 'string') {
enc = enc || 'utf8'
- data = new Buffer(data, enc)
+ data = Buffer.from(data, enc)
}
- var l = this._len += data.length
- var s = this._s || 0
- var f = 0
- var buffer = this._block
+ var block = this._block
+ var blockSize = this._blockSize
+ var length = data.length
+ var accum = this._len
- while (s < l) {
- var t = Math.min(data.length, f + this._blockSize - (s % this._blockSize))
- var ch = (t - f)
+ for (var offset = 0; offset < length;) {
+ var assigned = accum % blockSize
+ var remainder = Math.min(length - offset, blockSize - assigned)
- for (var i = 0; i < ch; i++) {
- buffer[(s % this._blockSize) + i] = data[i + f]
+ for (var i = 0; i < remainder; i++) {
+ block[assigned + i] = data[offset + i]
}
- s += ch
- f += ch
+ accum += remainder
+ offset += remainder
- if ((s % this._blockSize) === 0) {
- this._update(buffer)
+ if ((accum % blockSize) === 0) {
+ this._update(block)
}
}
- this._s = s
+ this._len += length
return this
}
Hash.prototype.digest = function (enc) {
- // Suppose the length of the message M, in bits, is l
- var l = this._len * 8
+ var rem = this._len % this._blockSize
- // Append the bit 1 to the end of the message
- this._block[this._len % this._blockSize] = 0x80
+ this._block[rem] = 0x80
- // and then k zero bits, where k is the smallest non-negative solution to the equation (l + 1 + k) === finalSize mod blockSize
- this._block.fill(0, this._len % this._blockSize + 1)
+ // zero (rem + 1) trailing bits, where (rem + 1) is the smallest
+ // non-negative solution to the equation (length + 1 + (rem + 1)) === finalSize mod blockSize
+ this._block.fill(0, rem + 1)
- if (l % (this._blockSize * 8) >= this._finalSize * 8) {
+ if (rem >= this._finalSize) {
this._update(this._block)
this._block.fill(0)
}
- // to this append the block which is equal to the number l written in binary
- // TODO: handle case where l is > Math.pow(2, 29)
- this._block.writeInt32BE(l, this._blockSize - 4)
+ var bits = this._len * 8
+
+ // uint32
+ if (bits <= 0xffffffff) {
+ this._block.writeUInt32BE(bits, this._blockSize - 4)
+
+ // uint64
+ } else {
+ var lowBits = bits & 0xffffffff
+ var highBits = (bits - lowBits) / 0x100000000
+
+ this._block.writeUInt32BE(highBits, this._blockSize - 8)
+ this._block.writeUInt32BE(lowBits, this._blockSize - 4)
+ }
- var hash = this._update(this._block) || this._hash()
+ this._update(this._block)
+ var hash = this._hash()
return enc ? hash.toString(enc) : hash
}
module.exports = Hash
-}).call(this,require("buffer").Buffer)
-},{"buffer":4}],100:[function(require,module,exports){
+},{"safe-buffer":128}],130:[function(require,module,exports){
var exports = module.exports = function SHA (algorithm) {
algorithm = algorithm.toLowerCase()
exports.sha384 = require('./sha384')
exports.sha512 = require('./sha512')
-},{"./sha":101,"./sha1":102,"./sha224":103,"./sha256":104,"./sha384":105,"./sha512":106}],101:[function(require,module,exports){
-(function (Buffer){
+},{"./sha":131,"./sha1":132,"./sha224":133,"./sha256":134,"./sha384":135,"./sha512":136}],131:[function(require,module,exports){
/*
* A JavaScript implementation of the Secure Hash Algorithm, SHA-0, as defined
* in FIPS PUB 180-1
var inherits = require('inherits')
var Hash = require('./hash')
+var Buffer = require('safe-buffer').Buffer
var K = [
0x5a827999, 0x6ed9eba1, 0x8f1bbcdc | 0, 0xca62c1d6 | 0
}
Sha.prototype._hash = function () {
- var H = new Buffer(20)
+ var H = Buffer.allocUnsafe(20)
H.writeInt32BE(this._a | 0, 0)
H.writeInt32BE(this._b | 0, 4)
module.exports = Sha
-}).call(this,require("buffer").Buffer)
-},{"./hash":99,"buffer":4,"inherits":93}],102:[function(require,module,exports){
-(function (Buffer){
+},{"./hash":129,"inherits":121,"safe-buffer":128}],132:[function(require,module,exports){
/*
* A JavaScript implementation of the Secure Hash Algorithm, SHA-1, as defined
* in FIPS PUB 180-1
var inherits = require('inherits')
var Hash = require('./hash')
+var Buffer = require('safe-buffer').Buffer
var K = [
0x5a827999, 0x6ed9eba1, 0x8f1bbcdc | 0, 0xca62c1d6 | 0
}
Sha1.prototype._hash = function () {
- var H = new Buffer(20)
+ var H = Buffer.allocUnsafe(20)
H.writeInt32BE(this._a | 0, 0)
H.writeInt32BE(this._b | 0, 4)
module.exports = Sha1
-}).call(this,require("buffer").Buffer)
-},{"./hash":99,"buffer":4,"inherits":93}],103:[function(require,module,exports){
-(function (Buffer){
+},{"./hash":129,"inherits":121,"safe-buffer":128}],133:[function(require,module,exports){
/**
* A JavaScript implementation of the Secure Hash Algorithm, SHA-256, as defined
* in FIPS 180-2
var inherits = require('inherits')
var Sha256 = require('./sha256')
var Hash = require('./hash')
+var Buffer = require('safe-buffer').Buffer
var W = new Array(64)
}
Sha224.prototype._hash = function () {
- var H = new Buffer(28)
+ var H = Buffer.allocUnsafe(28)
H.writeInt32BE(this._a, 0)
H.writeInt32BE(this._b, 4)
module.exports = Sha224
-}).call(this,require("buffer").Buffer)
-},{"./hash":99,"./sha256":104,"buffer":4,"inherits":93}],104:[function(require,module,exports){
-(function (Buffer){
+},{"./hash":129,"./sha256":134,"inherits":121,"safe-buffer":128}],134:[function(require,module,exports){
/**
* A JavaScript implementation of the Secure Hash Algorithm, SHA-256, as defined
* in FIPS 180-2
var inherits = require('inherits')
var Hash = require('./hash')
+var Buffer = require('safe-buffer').Buffer
var K = [
0x428A2F98, 0x71374491, 0xB5C0FBCF, 0xE9B5DBA5,
}
Sha256.prototype._hash = function () {
- var H = new Buffer(32)
+ var H = Buffer.allocUnsafe(32)
H.writeInt32BE(this._a, 0)
H.writeInt32BE(this._b, 4)
module.exports = Sha256
-}).call(this,require("buffer").Buffer)
-},{"./hash":99,"buffer":4,"inherits":93}],105:[function(require,module,exports){
-(function (Buffer){
+},{"./hash":129,"inherits":121,"safe-buffer":128}],135:[function(require,module,exports){
var inherits = require('inherits')
var SHA512 = require('./sha512')
var Hash = require('./hash')
+var Buffer = require('safe-buffer').Buffer
var W = new Array(160)
}
Sha384.prototype._hash = function () {
- var H = new Buffer(48)
+ var H = Buffer.allocUnsafe(48)
function writeInt64BE (h, l, offset) {
H.writeInt32BE(h, offset)
module.exports = Sha384
-}).call(this,require("buffer").Buffer)
-},{"./hash":99,"./sha512":106,"buffer":4,"inherits":93}],106:[function(require,module,exports){
-(function (Buffer){
+},{"./hash":129,"./sha512":136,"inherits":121,"safe-buffer":128}],136:[function(require,module,exports){
var inherits = require('inherits')
var Hash = require('./hash')
+var Buffer = require('safe-buffer').Buffer
var K = [
0x428a2f98, 0xd728ae22, 0x71374491, 0x23ef65cd,
}
Sha512.prototype._hash = function () {
- var H = new Buffer(64)
+ var H = Buffer.allocUnsafe(64)
function writeInt64BE (h, l, offset) {
H.writeInt32BE(h, offset)
module.exports = Sha512
-}).call(this,require("buffer").Buffer)
-},{"./hash":99,"buffer":4,"inherits":93}],107:[function(require,module,exports){
-var inherits = require('inherits')
+},{"./hash":129,"inherits":121,"safe-buffer":128}],137:[function(require,module,exports){
var native = require('./native')
-function TfTypeError (type, value, valueTypeName) {
- this.__error = Error.call(this)
- this.__type = type
- this.__value = value
- this.__valueTypeName = valueTypeName
-
- var message
- Object.defineProperty(this, 'message', {
- enumerable: true,
- get: function () {
- if (message) return message
-
- valueTypeName = valueTypeName || getValueTypeName(value)
- message = tfErrorString(type, value, valueTypeName)
-
- return message
- }
- })
-}
-
-function TfPropertyTypeError (type, property, label, value, error, valueTypeName) {
- this.__error = error || Error.call(this)
- this.__label = label
- this.__property = property
- this.__type = type
- this.__value = value
- this.__valueTypeName = valueTypeName
-
- var message
- Object.defineProperty(this, 'message', {
- enumerable: true,
- get: function () {
- if (message) return message
- if (type) {
- valueTypeName = valueTypeName || getValueTypeName(value)
- message = tfPropertyErrorString(type, label, property, value, valueTypeName)
- } else {
- message = 'Unexpected property "' + property + '"'
- }
-
- return message
- }
- })
-}
-
-// inherit from Error, assign stack
-[TfTypeError, TfPropertyTypeError].forEach(function (tfErrorType) {
- inherits(tfErrorType, Error)
- Object.defineProperty(tfErrorType, 'stack', {
- get: function () { return this.__error.stack }
- })
-})
-
-function tfCustomError (expected, actual) {
- return new TfTypeError(expected, {}, actual)
-}
-
-function tfSubError (e, property, label) {
- // sub child?
- if (e instanceof TfPropertyTypeError) {
- property = property + '.' + e.__property
- label = e.__label
-
- return new TfPropertyTypeError(
- e.__type, property, label, e.__value, e.__error, e.__valueTypeName
- )
- }
-
- // child?
- if (e instanceof TfTypeError) {
- return new TfPropertyTypeError(
- e.__type, property, label, e.__value, e.__error, e.__valueTypeName
- )
- }
-
- return e
-}
-
function getTypeName (fn) {
return fn.name || fn.toString().match(/function (.*?)\s*\(/)[1]
}
(valueJson !== '' ? ' ' + valueJson : '')
}
+function TfTypeError (type, value, valueTypeName) {
+ valueTypeName = valueTypeName || getValueTypeName(value)
+ this.message = tfErrorString(type, value, valueTypeName)
+
+ Error.captureStackTrace(this, TfTypeError)
+ this.__type = type
+ this.__value = value
+ this.__valueTypeName = valueTypeName
+}
+
+TfTypeError.prototype = Object.create(Error.prototype)
+TfTypeError.prototype.constructor = TfTypeError
+
function tfPropertyErrorString (type, label, name, value, valueTypeName) {
var description = '" of type '
if (label === 'key') description = '" with key type '
return tfErrorString('property "' + tfJSON(name) + description + tfJSON(type), value, valueTypeName)
}
+function TfPropertyTypeError (type, property, label, value, valueTypeName) {
+ if (type) {
+ valueTypeName = valueTypeName || getValueTypeName(value)
+ this.message = tfPropertyErrorString(type, label, property, value, valueTypeName)
+ } else {
+ this.message = 'Unexpected property "' + property + '"'
+ }
+
+ Error.captureStackTrace(this, TfTypeError)
+ this.__label = label
+ this.__property = property
+ this.__type = type
+ this.__value = value
+ this.__valueTypeName = valueTypeName
+}
+
+TfPropertyTypeError.prototype = Object.create(Error.prototype)
+TfPropertyTypeError.prototype.constructor = TfTypeError
+
+function tfCustomError (expected, actual) {
+ return new TfTypeError(expected, {}, actual)
+}
+
+function tfSubError (e, property, label) {
+ // sub child?
+ if (e instanceof TfPropertyTypeError) {
+ property = property + '.' + e.__property
+
+ e = new TfPropertyTypeError(
+ e.__type, property, e.__label, e.__value, e.__valueTypeName
+ )
+
+ // child?
+ } else if (e instanceof TfTypeError) {
+ e = new TfPropertyTypeError(
+ e.__type, property, label, e.__value, e.__valueTypeName
+ )
+ }
+
+ Error.captureStackTrace(e)
+ return e
+}
+
module.exports = {
TfTypeError: TfTypeError,
TfPropertyTypeError: TfPropertyTypeError,
getValueTypeName: getValueTypeName
}
-},{"./native":110,"inherits":93}],108:[function(require,module,exports){
+},{"./native":140}],138:[function(require,module,exports){
(function (Buffer){
var NATIVE = require('./native')
var ERRORS = require('./errors')
var _ArrayN = _LengthN.bind(null, NATIVE.Array)
var _BufferN = _LengthN.bind(null, _Buffer)
var _HexN = _LengthN.bind(null, Hex)
+var _StringN = _LengthN.bind(null, NATIVE.String)
var UINT53_MAX = Math.pow(2, 53) - 1
Int8: Int8,
Int16: Int16,
Int32: Int32,
+ StringN: _StringN,
UInt8: UInt8,
UInt16: UInt16,
UInt32: UInt32,
module.exports = types
}).call(this,{"isBuffer":require("../../../../../.nvm/versions/node/v6.0.0/lib/node_modules/browserify/node_modules/is-buffer/index.js")})
-},{"../../../../../.nvm/versions/node/v6.0.0/lib/node_modules/browserify/node_modules/is-buffer/index.js":9,"./errors":107,"./native":110}],109:[function(require,module,exports){
+},{"../../../../../.nvm/versions/node/v6.0.0/lib/node_modules/browserify/node_modules/is-buffer/index.js":10,"./errors":137,"./native":140}],139:[function(require,module,exports){
var ERRORS = require('./errors')
var NATIVE = require('./native')
function _arrayOf (array, strict) {
if (!NATIVE.Array(array)) return false
+ if (NATIVE.Nil(array)) return false
return array.every(function (value, i) {
try {
if (propertyKeyType) propertyKeyType = compile(propertyKeyType)
function _map (value, strict) {
- if (!NATIVE.Object(value, strict)) return false
- if (NATIVE.Nil(value, strict)) return false
+ if (!NATIVE.Object(value)) return false
+ if (NATIVE.Nil(value)) return false
for (var propertyName in value) {
try {
var types = [].slice.call(arguments).map(compile)
function _tuple (values, strict) {
+ if (NATIVE.Nil(values)) return false
+ if (NATIVE.Nil(values.length)) return false
+ if (strict && (values.length !== types.length)) return false
+
return types.every(function (type, i) {
try {
return typeforce(type, values[i], strict)
} catch (e) {
throw tfSubError(e, i)
}
- }) && (!strict || values.length === arguments.length)
+ })
}
_tuple.toJSON = function () { return '(' + types.map(tfJSON).join(', ') + ')' }
function compile (type) {
if (NATIVE.String(type)) {
- if (type[0] === '?') return TYPES.maybe(compile(type.slice(1)))
+ if (type[0] === '?') return TYPES.maybe(type.slice(1))
return NATIVE[type] || TYPES.quacksLike(type)
} else if (type && NATIVE.Object(type)) {
- if (NATIVE.Array(type)) return TYPES.arrayOf(compile(type[0]))
+ if (NATIVE.Array(type)) return TYPES.arrayOf(type[0])
return TYPES.object(type)
} else if (NATIVE.Function(type)) {
module.exports = typeforce
-},{"./errors":107,"./extra":108,"./native":110}],110:[function(require,module,exports){
+},{"./errors":137,"./extra":138,"./native":140}],140:[function(require,module,exports){
var types = {
Array: function (value) { return value !== null && value !== undefined && value.constructor === Array },
Boolean: function (value) { return typeof value === 'boolean' },
module.exports = types
-},{}],111:[function(require,module,exports){
+},{}],141:[function(require,module,exports){
(function (Buffer){
'use strict'
module.exports = { encode: encode, decode: decode, encodingLength: encodingLength }
}).call(this,require("buffer").Buffer)
-},{"buffer":4}],112:[function(require,module,exports){
+},{"buffer":5}],142:[function(require,module,exports){
(function (Buffer){
var bs58check = require('bs58check')
}
}).call(this,require("buffer").Buffer)
-},{"bs58check":80,"buffer":4}]},{},[33])(33)
-});
+},{"bs58check":85,"buffer":5}]},{},[34])(34)
+});
\ No newline at end of file
projects / perso / Immae / Projets / Cryptomonnaies / BIP39.git / commitdiff
