// mnemonics is populated as required by getLanguage
var mnemonics = { "english": new Mnemonic("english") };
var mnemonic = mnemonics["english"];
- var seed = null
+ var seed = null;
var bip32RootKey = null;
var bip32ExtendedKey = null;
var network = bitcoin.networks.bitcoin;
var showAddress = true;
var showPubKey = true;
var showPrivKey = true;
+ var showQr = false;
var entropyChangeTimeoutEvent = null;
var phraseChangeTimeoutEvent = null;
var rootKeyChangedTimeoutEvent = null;
+ var generationProcesses = [];
+
var DOM = {};
DOM.network = $(".network");
DOM.phraseNetwork = $("#network-phrase");
DOM.useEntropy = $(".use-entropy");
DOM.entropyContainer = $(".entropy-container");
DOM.entropy = $(".entropy");
- DOM.entropyFeedback = $(".entropy-feedback");
- DOM.entropyFiltered = DOM.entropyFeedback.find(".filtered");
- DOM.entropyType = DOM.entropyFeedback.find(".type");
- DOM.entropyStrength = DOM.entropyFeedback.find(".strength");
- DOM.entropyEventCount = DOM.entropyFeedback.find(".event-count");
- DOM.entropyBits = DOM.entropyFeedback.find(".bits");
- DOM.entropyBitsPerEvent = DOM.entropyFeedback.find(".bits-per-event");
- DOM.entropyMnemonicLength = DOM.entropyFeedback.find(".mnemonic-length");
+ DOM.entropyFiltered = DOM.entropyContainer.find(".filtered");
+ DOM.entropyType = DOM.entropyContainer.find(".type");
+ DOM.entropyStrength = DOM.entropyContainer.find(".strength");
+ DOM.entropyEventCount = DOM.entropyContainer.find(".event-count");
+ DOM.entropyBits = DOM.entropyContainer.find(".bits");
+ DOM.entropyBitsPerEvent = DOM.entropyContainer.find(".bits-per-event");
+ DOM.entropyWordCount = DOM.entropyContainer.find(".word-count");
+ DOM.entropyBinary = DOM.entropyContainer.find(".binary");
+ DOM.entropyMnemonicLength = DOM.entropyContainer.find(".mnemonic-length");
DOM.phrase = $(".phrase");
DOM.passphrase = $(".passphrase");
DOM.generateContainer = $(".generate-container");
DOM.bip44purpose = $("#bip44 .purpose");
DOM.bip44coin = $("#bip44 .coin");
DOM.bip44account = $("#bip44 .account");
+ DOM.bip44accountXprv = $("#bip44 .account-xprv");
+ DOM.bip44accountXpub = $("#bip44 .account-xpub");
DOM.bip44change = $("#bip44 .change");
DOM.generatedStrength = $(".generate-container .strength");
DOM.hardenedAddresses = $(".hardened-addresses");
DOM.publicKeyToggle = $(".public-key-toggle");
DOM.privateKeyToggle = $(".private-key-toggle");
DOM.languages = $(".languages a");
+ DOM.qrContainer = $(".qr-container");
+ DOM.qrHider = DOM.qrContainer.find(".qr-hider");
+ DOM.qrImage = DOM.qrContainer.find(".qr-image");
+ DOM.qrHint = DOM.qrContainer.find(".qr-hint");
+ DOM.showQrEls = $("[data-show-qr]");
function init() {
// Events
DOM.network.on("change", networkChanged);
DOM.useEntropy.on("change", setEntropyVisibility);
DOM.entropy.on("input", delayedEntropyChanged);
+ DOM.entropyMnemonicLength.on("change", entropyChanged);
DOM.phrase.on("input", delayedPhraseChanged);
DOM.passphrase.on("input", delayedPhraseChanged);
DOM.generate.on("click", generateClicked);
DOM.publicKeyToggle.on("click", togglePublicKeys);
DOM.privateKeyToggle.on("click", togglePrivateKeys);
DOM.languages.on("click", languageChanged);
+ setQrEvents(DOM.showQrEls);
disableForms();
hidePending();
hideValidationError();
// If blank entropy, clear mnemonic, addresses, errors
if (DOM.entropy.val().trim().length == 0) {
clearDisplay();
- hideEntropyFeedback();
+ clearEntropyFeedback();
DOM.phrase.val("");
showValidationError("Blank entropy");
return;
// Calculate and display
calcBip32RootKeyFromBase58(rootKeyBase58);
calcForDerivationPath();
- hidePending();
}
function calcForDerivationPath() {
showPending();
+ clearAddressesList();
hideValidationError();
// Get the derivation path
var derivationPath = getDerivationPath();
showValidationError(errorText);
return;
}
- calcBip32ExtendedKey(derivationPath);
+ bip32ExtendedKey = calcBip32ExtendedKey(derivationPath);
+ if (bip44TabSelected()) {
+ displayBip44Info();
+ }
displayBip32Info();
hidePending();
}
}
function calcBip32ExtendedKey(path) {
- bip32ExtendedKey = bip32RootKey;
+ // Check there's a root key to derive from
+ if (!bip32RootKey) {
+ return bip32RootKey;
+ }
+ var extendedKey = bip32RootKey;
// Derive the key from the path
var pathBits = path.split("/");
for (var i=0; i<pathBits.length; i++) {
continue;
}
var hardened = bit[bit.length-1] == "'";
- if (hardened) {
- bip32ExtendedKey = bip32ExtendedKey.deriveHardened(index);
+ var isPriv = "privKey" in extendedKey;
+ var invalidDerivationPath = hardened && !isPriv;
+ if (invalidDerivationPath) {
+ extendedKey = null;
+ }
+ else if (hardened) {
+ extendedKey = extendedKey.deriveHardened(index);
}
else {
- bip32ExtendedKey = bip32ExtendedKey.derive(index);
+ extendedKey = extendedKey.derive(index);
}
}
+ return extendedKey
}
function showValidationError(errorText) {
}
function getDerivationPath() {
- if (DOM.bip44tab.hasClass("active")) {
+ if (bip44TabSelected()) {
var purpose = parseIntNoNaN(DOM.bip44purpose.val(), 44);
var coin = parseIntNoNaN(DOM.bip44coin.val(), 0);
var account = parseIntNoNaN(DOM.bip44account.val(), 0);
console.log("Using derivation path from BIP44 tab: " + derivationPath);
return derivationPath;
}
- else if (DOM.bip32tab.hasClass("active")) {
+ else if (bip32TabSelected()) {
var derivationPath = DOM.bip32path.val();
console.log("Using derivation path from BIP32 tab: " + derivationPath);
return derivationPath;
}
}
}
+ // Check root key exists or else derivation path is useless!
+ if (!bip32RootKey) {
+ return "No root key";
+ }
+ // Check no hardened derivation path when using xpub keys
+ var hardened = path.indexOf("'") > -1;
+ var isXpubkey = !("privKey" in bip32RootKey);
+ if (hardened && isXpubkey) {
+ return "Hardened derivation path is invalid with xpub key";
+ }
return false;
}
+ function displayBip44Info() {
+ // Get the derivation path for the account
+ var purpose = parseIntNoNaN(DOM.bip44purpose.val(), 44);
+ var coin = parseIntNoNaN(DOM.bip44coin.val(), 0);
+ var account = parseIntNoNaN(DOM.bip44account.val(), 0);
+ var path = "m/";
+ path += purpose + "'/";
+ path += coin + "'/";
+ path += account + "'/";
+ // Calculate the account extended keys
+ var accountExtendedKey = calcBip32ExtendedKey(path);
+ var accountXprv = accountExtendedKey.toBase58();
+ var accountXpub = accountExtendedKey.toBase58(false);
+ // Display the extended keys
+ DOM.bip44accountXprv.val(accountXprv);
+ DOM.bip44accountXpub.val(accountXpub);
+ }
+
function displayBip32Info() {
// Display the key
DOM.seed.val(seed);
var rootKey = bip32RootKey.toBase58();
DOM.rootKey.val(rootKey);
- var extendedPrivKey = bip32ExtendedKey.toBase58();
+ var xprvkeyB58 = "NA";
+ if (bip32ExtendedKey.privKey) {
+ xprvkeyB58 = bip32ExtendedKey.toBase58();
+ }
+ var extendedPrivKey = xprvkeyB58;
DOM.extendedPrivKey.val(extendedPrivKey);
var extendedPubKey = bip32ExtendedKey.toBase58(false);
DOM.extendedPubKey.val(extendedPubKey);
}
function displayAddresses(start, total) {
- for (var i=0; i<total; i++) {
- var index = i + start;
- new TableRow(index);
- }
+ generationProcesses.push(new (function() {
+
+ var rows = [];
+
+ this.stop = function() {
+ for (var i=0; i<rows.length; i++) {
+ rows[i].shouldGenerate = false;
+ }
+ }
+
+ for (var i=0; i<total; i++) {
+ var index = i + start;
+ rows.push(new TableRow(index));
+ }
+
+ })());
}
function TableRow(index) {
+ var self = this;
+ this.shouldGenerate = true;
var useHardenedAddresses = DOM.hardenedAddresses.prop("checked");
function init() {
function calculateValues() {
setTimeout(function() {
+ if (!self.shouldGenerate) {
+ return;
+ }
var key = "";
if (useHardenedAddresses) {
key = bip32ExtendedKey.deriveHardened(index);
key = bip32ExtendedKey.derive(index);
}
var address = key.getAddress().toString();
- var privkey = key.privKey.toWIF(network);
+ var privkey = "NA";
+ if (key.privKey) {
+ privkey = key.privKey.toWIF(network);
+ }
var pubkey = key.pubKey.toHex();
var indexText = getDerivationPath() + "/" + index;
if (useHardenedAddresses) {
indexText = indexText + "'";
}
+ // Ethereum values are different
+ if (networks[DOM.network.val()].name == "Ethereum") {
+ var privKeyBuffer = key.privKey.d.toBuffer();
+ privkey = privKeyBuffer.toString('hex');
+ var addressBuffer = ethUtil.privateToAddress(privKeyBuffer);
+ address = "0x" + addressBuffer.toString('hex');
+ }
addAddressToList(indexText, address, pubkey, privkey);
}, 50)
}
function clearAddressesList() {
DOM.addresses.empty();
+ stopGenerating();
+ }
+
+ function stopGenerating() {
+ while (generationProcesses.length > 0) {
+ var generation = generationProcesses.shift();
+ generation.stop();
+ }
}
function clearKey() {
privkeyCell.addClass("invisible");
}
DOM.addresses.append(row);
+ var rowShowQrEls = row.find("[data-show-qr]");
+ setQrEvents(rowShowQrEls);
}
function hasStrongRandom() {
var closestWord = words[0];
for (var i=0; i<words.length; i++) {
var comparedTo = words[i];
+ if (comparedTo.indexOf(word) == 0) {
+ return comparedTo;
+ }
var distance = Levenshtein.get(word, comparedTo);
if (distance < minDistance) {
closestWord = comparedTo;
}
function setMnemonicFromEntropy() {
- hideEntropyFeedback();
+ clearEntropyFeedback();
// Get entropy value
var entropyStr = DOM.entropy.val();
// Work out minimum base for entropy
}
// Show entropy details
showEntropyFeedback(entropy);
+ // Use entropy hash if not using raw entropy
+ var bits = entropy.binaryStr;
+ var mnemonicLength = DOM.entropyMnemonicLength.val();
+ if (mnemonicLength != "raw") {
+ // Get bits by hashing entropy with SHA256
+ var hash = sjcl.hash.sha256.hash(entropy.cleanStr);
+ var hex = sjcl.codec.hex.fromBits(hash);
+ bits = BigInteger.parse(hex, 16).toString(2);
+ while (bits.length % 256 != 0) {
+ bits = "0" + bits;
+ }
+ // Truncate hash to suit number of words
+ mnemonicLength = parseInt(mnemonicLength);
+ var numberOfBits = 32 * mnemonicLength / 3;
+ bits = bits.substring(0, numberOfBits);
+ }
// Discard trailing entropy
- var bitsToUse = Math.floor(entropy.binaryStr.length / 32) * 32;
- var binaryStr = entropy.binaryStr.substring(0, bitsToUse);
+ var bitsToUse = Math.floor(bits.length / 32) * 32;
+ var start = bits.length - bitsToUse;
+ var binaryStr = bits.substring(start);
// Convert entropy string to numeric array
var entropyArr = [];
for (var i=0; i<binaryStr.length / 8; i++) {
DOM.phrase.val(phrase);
}
- function hideEntropyFeedback() {
- DOM.entropyFeedback.addClass("hidden");
- DOM.entropyFiltered.text("");
+ function clearEntropyFeedback() {
+ DOM.entropyStrength.text("...");
DOM.entropyType.text("");
- DOM.entropyStrength.text("");
- DOM.entropyEventCount.text("");
- DOM.entropyBits.text("");
- DOM.entropyBitsPerEvent.text("");
+ DOM.entropyWordCount.text("0");
+ DOM.entropyEventCount.text("0");
+ DOM.entropyBitsPerEvent.text("0");
+ DOM.entropyBits.text("0");
+ DOM.entropyFiltered.html(" ");
+ DOM.entropyBinary.html(" ");
}
function showEntropyFeedback(entropy) {
+ var numberOfBits = entropy.binaryStr.length;
var strength = "extremely weak";
- if (entropy.binaryStr.length >= 64) {
+ if (numberOfBits >= 64) {
strength = "very weak";
}
- if (entropy.binaryStr.length >= 96) {
+ if (numberOfBits >= 96) {
strength = "weak";
}
- if (entropy.binaryStr.length >= 128) {
+ if (numberOfBits >= 128) {
strength = "strong";
}
- if (entropy.binaryStr.length >= 160) {
+ if (numberOfBits >= 160) {
strength = "very strong";
}
- if (entropy.binaryStr.length >= 192) {
+ if (numberOfBits >= 192) {
strength = "extremely strong";
}
- var bitsStr = entropy.binaryStr.length;
- if (entropy.base.asInt != 2) {
- bitsStr += " (" + entropy.binaryStr + ")";
+ // If time to crack is less than one day, and password is considered
+ // strong or better based on the number of bits, rename strength to
+ // 'easily cracked'.
+ try {
+ var z = zxcvbn(entropy.base.parts.join(""));
+ var timeToCrack = z.crack_times_seconds.offline_fast_hashing_1e10_per_second;
+ if (timeToCrack < 86400 && entropy.binaryStr.length >= 128) {
+ strength = "easily cracked";
+ if (z.feedback.warning != "") {
+ strength = strength + " - " + z.feedback.warning;
+ };
+ }
+ }
+ catch (e) {
+ strength = "unknown";
+ console.log("Error detecting entropy strength with zxcvbn:");
+ console.log(e);
}
- DOM.entropyFiltered.text(entropy.cleanStr);
- DOM.entropyType.text(entropy.base.str);
+ var entropyTypeStr = getEntropyTypeStr(entropy);
+ var wordCount = Math.floor(numberOfBits / 32) * 3;
+ var bitsPerEvent = entropy.bitsPerEvent.toFixed(2);
+ DOM.entropyFiltered.html(entropy.cleanHtml);
+ DOM.entropyType.text(entropyTypeStr);
DOM.entropyStrength.text(strength);
DOM.entropyEventCount.text(entropy.base.ints.length);
- DOM.entropyBits.text(bitsStr);
- DOM.entropyBitsPerEvent.text(Math.log2(entropy.base.asInt).toFixed(2));
- DOM.entropyFeedback.removeClass("hidden");
+ DOM.entropyBits.text(numberOfBits);
+ DOM.entropyWordCount.text(wordCount);
+ DOM.entropyBinary.text(entropy.binaryStr);
+ DOM.entropyBitsPerEvent.text(bitsPerEvent);
+ }
+
+ function getEntropyTypeStr(entropy) {
+ var typeStr = entropy.base.str;
+ // Add some detail if these are cards
+ if (entropy.base.asInt == 52) {
+ var cardDetail = []; // array of message strings
+ // Detect duplicates
+ var dupes = [];
+ var dupeTracker = {};
+ for (var i=0; i<entropy.base.parts.length; i++) {
+ var card = entropy.base.parts[i];
+ var cardUpper = card.toUpperCase();
+ if (cardUpper in dupeTracker) {
+ dupes.push(card);
+ }
+ dupeTracker[cardUpper] = true;
+ }
+ if (dupes.length > 0) {
+ var dupeWord = "duplicates";
+ if (dupes.length == 1) {
+ dupeWord = "duplicate";
+ }
+ var msg = dupes.length + " " + dupeWord + ": " + dupes.slice(0,3).join(" ");
+ if (dupes.length > 3) {
+ msg += "...";
+ }
+ cardDetail.push(msg);
+ }
+ // Detect full deck
+ var uniqueCards = [];
+ for (var uniqueCard in dupeTracker) {
+ uniqueCards.push(uniqueCard);
+ }
+ if (uniqueCards.length == 52) {
+ cardDetail.unshift("full deck");
+ }
+ // Detect missing cards
+ var values = "A23456789TJQK";
+ var suits = "CDHS";
+ var missingCards = [];
+ for (var i=0; i<suits.length; i++) {
+ for (var j=0; j<values.length; j++) {
+ var card = values[j] + suits[i];
+ if (!(card in dupeTracker)) {
+ missingCards.push(card);
+ }
+ }
+ }
+ // Display missing cards if six or less, ie clearly going for full deck
+ if (missingCards.length > 0 && missingCards.length <= 6) {
+ var msg = missingCards.length + " missing: " + missingCards.slice(0,3).join(" ");
+ if (missingCards.length > 3) {
+ msg += "...";
+ }
+ cardDetail.push(msg);
+ }
+ // Add card details to typeStr
+ if (cardDetail.length > 0) {
+ typeStr += " (" + cardDetail.join(", ") + ")";
+ }
+ }
+ return typeStr;
+ }
+
+ function setQrEvents(els) {
+ els.on("mouseenter", createQr);
+ els.on("mouseleave", destroyQr);
+ els.on("click", toggleQr);
+ }
+
+ function createQr(e) {
+ var content = e.target.textContent || e.target.value;
+ if (content) {
+ var size = 130;
+ DOM.qrImage.qrcode({width: size, height: size, text: content});
+ if (!showQr) {
+ DOM.qrHider.addClass("hidden");
+ }
+ else {
+ DOM.qrHider.removeClass("hidden");
+ }
+ DOM.qrContainer.removeClass("hidden");
+ }
+ }
+
+ function destroyQr() {
+ DOM.qrImage.text("");
+ DOM.qrContainer.addClass("hidden");
+ }
+
+ function toggleQr() {
+ showQr = !showQr;
+ DOM.qrHider.toggleClass("hidden");
+ DOM.qrHint.toggleClass("hidden");
+ }
+
+ function bip44TabSelected() {
+ return DOM.bip44tab.hasClass("active");
+ }
+
+ function bip32TabSelected() {
+ return DOM.bip32tab.hasClass("active");
}
var networks = [
DOM.bip44coin.val(6);
},
},
+ {
+ name: "Ethereum",
+ onSelect: function() {
+ network = bitcoin.networks.bitcoin;
+ DOM.bip44coin.val(60);
+ },
+ },
]
init();