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();
+ hideEntropyError();
+ 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() {
}
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
+ // 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 words = Math.floor(entropy.binaryStr.length / 32) * 3;
var strength = "an extremely weak";
- if (entropy.hexStr.length >= 8) {
+ if (words >= 3) {
strength = "a very weak";
}
- if (entropy.hexStr.length >= 12) {
+ if (words >= 6) {
strength = "a weak";
}
- if (entropy.hexStr.length >= 24) {
+ if (words >= 9) {
strength = "a strong";
}
- if (entropy.hexStr.length >= 32) {
+ if (words >= 12) {
strength = "a very strong";
}
- if (entropy.hexStr.length >= 40) {
+ if (words >= 15) {
strength = "an extremely strong";
}
- if (entropy.hexStr.length >=48) {
+ if (words >= 18) {
strength = "an even stronger"
}
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(entropy.binaryStr.length / 32) * 32;
+ var binaryStr = entropy.binaryStr.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