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Merge pull request #279 from mctrivia/master

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Added Split Phrase Card Output
This commit is contained in:
iancoleman
2019-11-11 09:28:28 +11:00
committed by GitHub
parent 3dbf117928 d9b5b5d0de
commit d0428a8d21
3 changed files with 994 additions and 0 deletions
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6
src/index.html
View File

@@ -172,6 +172,12 @@
<textarea id="phrase" class="phrase private-data form-control" data-show-qr autocomplete="off" autocorrect="off" autocapitalize="off" spellcheck="false"></textarea>
</div>
</div>
<div class="form-group">
<label for="phrase" class="col-sm-2 control-label">BIP39 Split Mnemonic</label>
<div class="col-sm-10">
<textarea id="phraseSplit" class="phraseSplit private-data form-control" title="Only 2 of 3 cards needed to recover."></textarea>
</div>
</div>
<div class="form-group">
<label for="passphrase" class="col-sm-2 control-label">BIP39 Passphrase (optional)</label>
<div class="col-sm-10">

28
src/js/index.js
View File

@@ -44,6 +44,7 @@
DOM.entropyWeakEntropyOverrideWarning = DOM.entropyContainer.find(".weak-entropy-override-warning");
DOM.entropyFilterWarning = DOM.entropyContainer.find(".filter-warning");
DOM.phrase = $(".phrase");
DOM.splitPhrase = $(".phraseSplit");
DOM.passphrase = $(".passphrase");
DOM.generateContainer = $(".generate-container");
DOM.generate = $(".generate");
@@ -304,6 +305,7 @@
clearDisplay();
clearEntropyFeedback();
DOM.phrase.val("");
DOM.phraseSplit.val("");
showValidationError("Blank entropy");
return;
}
@@ -338,6 +340,7 @@
showPending();
// Clear existing mnemonic and passphrase
DOM.phrase.val("");
DOM.phraseSplit.val("");
DOM.passphrase.val("");
seed = null;
if (rootKeyChangedTimeoutEvent != null) {
@@ -424,6 +427,7 @@
if (DOM.phrase.val().length > 0) {
var newPhrase = convertPhraseToNewLanguage();
DOM.phrase.val(newPhrase);
writeSplitPhrase(newPhrase);
phraseChanged();
}
else {
@@ -484,6 +488,7 @@
// show the words
var words = mnemonic.toMnemonic(data);
DOM.phrase.val(words);
writeSplitPhrase(words);
// show the entropy
var entropyHex = uint8ArrayToHex(data);
DOM.entropy.val(entropyHex);
@@ -1422,6 +1427,28 @@
}
return phrase;
}
function writeSplitPhrase(phrase) {
var wordCount = phrase.split(/\s/g).length; //get number of words in phrase
var left=[]; //initialize array of indexs
for (var i=0;i<wordCount;i++) left.push(i); //add all indexs to array
var group=[[],[],[]], //make array for 3 groups
groupI=-1; //initialize group index
var seed = Math.abs(sjcl.hash.sha256.hash(phrase)[0])% 2147483647; //start seed at sudo random value based on hash of words
while (left.length>0) { //while indexs left
groupI=(groupI+1)%3; //get next group to insert index into
seed = seed * 16807 % 2147483647; //change random value.(simple predicatable random number generator works well for this use)
var selected=Math.floor(left.length*(seed - 1) / 2147483646); //get index in left we will use for this group
group[groupI].push(left[selected]); //add index to group
left.splice(selected,1); //remove selected index
}
var cards=[phrase.split(/\s/g),phrase.split(/\s/g),phrase.split(/\s/g)];//make array of cards
for (var i=0;i<3;i++) { //go through each card
for (var ii=0;ii<wordCount/3;ii++) cards[i][group[i][ii]]='XXXX'; //erase words listed in the group
cards[i]='Card '+(i+1)+': '+wordArrayToPhrase(cards[i]); //combine words on card back to string
}
DOM.splitPhrase.val(cards.join("\r\n")); //make words visible
}
function isUsingOwnEntropy() {
return DOM.useEntropy.prop("checked");
@@ -1480,6 +1507,7 @@
var phrase = mnemonic.toMnemonic(entropyArr);
// Set the mnemonic in the UI
DOM.phrase.val(phrase);
writeSplitPhrase(phrase);
// Show the word indexes
showWordIndexes();
// Show the checksum