DOM.useEntropy = $(".use-entropy");
DOM.entropyContainer = $(".entropy-container");
DOM.entropy = $(".entropy");
- DOM.entropyError = $(".entropy-error");
+ 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.phrase = $(".phrase");
DOM.passphrase = $(".passphrase");
DOM.generateContainer = $(".generate-container");
DOM.bip44coin = $("#bip44 .coin");
DOM.bip44account = $("#bip44 .account");
DOM.bip44change = $("#bip44 .change");
- DOM.strength = $(".strength");
+ DOM.generatedStrength = $(".generate-container .strength");
DOM.hardenedAddresses = $(".hardened-addresses");
DOM.addresses = $(".addresses");
DOM.rowsToAdd = $(".rows-to-add");
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.entropyContainer.addClass("hidden");
DOM.generateContainer.removeClass("hidden");
DOM.phrase.prop("readonly", false);
+ hidePending();
}
}
}
function entropyChanged() {
+ // If blank entropy, clear mnemonic, addresses, errors
+ if (DOM.entropy.val().trim().length == 0) {
+ clearDisplay();
+ hideEntropyFeedback();
+ DOM.phrase.val("");
+ showValidationError("Blank entropy");
+ return;
+ }
+ // Get the current phrase to detect changes
+ var phrase = DOM.phrase.val();
+ // Set the phrase from the entropy
setMnemonicFromEntropy();
- phraseChanged();
+ // Recalc addresses if the phrase has changed
+ var newPhrase = DOM.phrase.val();
+ if (newPhrase != phrase) {
+ if (newPhrase.length == 0) {
+ clearDisplay();
+ }
+ else {
+ phraseChanged();
+ }
+ }
+ else {
+ hidePending();
+ }
}
function delayedRootKeyChanged() {
showValidationError(errorText);
return;
}
- var numWords = parseInt(DOM.strength.val());
+ var numWords = parseInt(DOM.generatedStrength.val());
var strength = numWords / 3 * 32;
var words = mnemonic.generate(strength);
DOM.phrase.val(words);
}
function findPhraseErrors(phrase) {
- // TODO make this right
// Preprocess the words
phrase = mnemonic.normalizeString(phrase);
var words = phraseToWordArray(phrase);
+ // Detect blank phrase
+ if (words.length == 0) {
+ return "Blank mnemonic";
+ }
// Check each word
for (var i=0; i<words.length; i++) {
var word = words[i];
}
function setMnemonicFromEntropy() {
- hideEntropyError();
- // Work out minimum base for entropy
+ hideEntropyFeedback();
+ // Get entropy value
var entropyStr = DOM.entropy.val();
+ // Work out minimum base for entropy
var entropy = Entropy.fromString(entropyStr);
- if (entropy.hexStr.length == 0) {
+ if (entropy.binaryStr.length == 0) {
return;
}
// Show entropy details
- var extraBits = 32 - (entropy.binaryStr.length % 32);
- var extraChars = Math.ceil(extraBits * Math.log(2) / Math.log(entropy.base.asInt));
- var strength = "an extremely weak";
- if (entropy.hexStr.length >= 8) {
- strength = "a very weak";
- }
- if (entropy.hexStr.length >= 12) {
- strength = "a weak";
- }
- if (entropy.hexStr.length >= 24) {
- strength = "a strong";
- }
- if (entropy.hexStr.length >= 32) {
- strength = "a very strong";
- }
- if (entropy.hexStr.length >= 40) {
- strength = "an extremely strong";
- }
- if (entropy.hexStr.length >=48) {
- strength = "an even stronger"
+ 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);
+ for (var i=0; i<256-bits.length; i++) {
+ bits = "0" + bits;
+ }
+ // Truncate hash to suit number of words
+ mnemonicLength = parseInt(mnemonicLength);
+ var numberOfBits = 32 * mnemonicLength / 3;
+ bits = bits.substring(0, numberOfBits);
}
- var msg = "Have " + entropy.binaryStr.length + " bits of entropy, " + extraChars + " more " + entropy.base.str + " chars required to generate " + strength + " mnemonic: " + entropy.cleanStr;
- showEntropyError(msg);
// Discard trailing entropy
- var hexStr = entropy.hexStr.substring(0, Math.floor(entropy.hexStr.length / 8) * 8);
+ var bitsToUse = Math.floor(bits.length / 32) * 32;
+ var binaryStr = bits.substring(0, bitsToUse);
// Convert entropy string to numeric array
var entropyArr = [];
- for (var i=0; i<hexStr.length / 2; i++) {
- var entropyByte = parseInt(hexStr[i*2].concat(hexStr[i*2+1]), 16);
+ for (var i=0; i<binaryStr.length / 8; i++) {
+ var byteAsBits = binaryStr.substring(i*8, i*8+8);
+ var entropyByte = parseInt(byteAsBits, 2);
entropyArr.push(entropyByte)
}
// Convert entropy array to mnemonic
DOM.phrase.val(phrase);
}
- function hideEntropyError() {
- DOM.entropyError.addClass("hidden");
- }
-
- function showEntropyError(msg) {
- DOM.entropyError.text(msg);
- DOM.entropyError.removeClass("hidden");
+ function hideEntropyFeedback() {
+ DOM.entropyFeedback.addClass("hidden");
+ DOM.entropyFiltered.text("");
+ DOM.entropyType.text("");
+ DOM.entropyStrength.text("");
+ DOM.entropyEventCount.text("");
+ DOM.entropyBits.text("");
+ DOM.entropyBitsPerEvent.text("");
+ }
+
+ function showEntropyFeedback(entropy) {
+ var strength = "extremely weak";
+ if (entropy.binaryStr.length >= 64) {
+ strength = "very weak";
+ }
+ if (entropy.binaryStr.length >= 96) {
+ strength = "weak";
+ }
+ if (entropy.binaryStr.length >= 128) {
+ strength = "strong";
+ }
+ if (entropy.binaryStr.length >= 160) {
+ strength = "very strong";
+ }
+ if (entropy.binaryStr.length >= 192) {
+ strength = "extremely strong";
+ }
+ // 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'.
+ var z = zxcvbn(entropy.cleanStr);
+ 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;
+ };
+ }
+ var bitsStr = entropy.binaryStr.length;
+ if (entropy.base.asInt != 2) {
+ bitsStr += " (" + entropy.binaryStr + ")";
+ }
+ DOM.entropyFiltered.text(entropy.cleanStr);
+ DOM.entropyType.text(entropy.base.str);
+ 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");
}
var networks = [
projects / perso / Immae / Projets / Cryptomonnaies / BIP39.git / blobdiff