3 // mnemonics is populated as required by getLanguage
4 var mnemonics
= { "english": new Mnemonic("english") };
5 var mnemonic
= mnemonics
["english"];
7 var bip32RootKey
= null;
8 var bip32ExtendedKey
= null;
9 var network
= bitcoin
.networks
.bitcoin
;
10 var addressRowTemplate
= $("#address-row-template");
13 var showAddress
= true;
14 var showPubKey
= true;
15 var showPrivKey
= true;
18 var entropyChangeTimeoutEvent
= null;
19 var phraseChangeTimeoutEvent
= null;
20 var rootKeyChangedTimeoutEvent
= null;
22 var generationProcesses
= [];
25 DOM
.network
= $(".network");
26 DOM
.client
= $(".client");
27 DOM
.phraseNetwork
= $("#network-phrase");
28 DOM
.phraseClient
= $("#client-phrase");
29 DOM
.useEntropy
= $(".use-entropy");
30 DOM
.entropyContainer
= $(".entropy-container");
31 DOM
.entropy
= $(".entropy");
32 DOM
.entropyFiltered
= DOM
.entropyContainer
.find(".filtered");
33 DOM
.entropyType
= DOM
.entropyContainer
.find(".type");
34 DOM
.entropyStrength
= DOM
.entropyContainer
.find(".strength");
35 DOM
.entropyEventCount
= DOM
.entropyContainer
.find(".event-count");
36 DOM
.entropyBits
= DOM
.entropyContainer
.find(".bits");
37 DOM
.entropyBitsPerEvent
= DOM
.entropyContainer
.find(".bits-per-event");
38 DOM
.entropyWordCount
= DOM
.entropyContainer
.find(".word-count");
39 DOM
.entropyBinary
= DOM
.entropyContainer
.find(".binary");
40 DOM
.entropyMnemonicLength
= DOM
.entropyContainer
.find(".mnemonic-length");
41 DOM
.phrase
= $(".phrase");
42 DOM
.passphrase
= $(".passphrase");
43 DOM
.generateContainer
= $(".generate-container");
44 DOM
.generate
= $(".generate");
45 DOM
.seed
= $(".seed");
46 DOM
.rootKey
= $(".root-key");
47 DOM
.extendedPrivKey
= $(".extended-priv-key");
48 DOM
.extendedPubKey
= $(".extended-pub-key");
49 DOM
.bip32tab
= $("#bip32-tab");
50 DOM
.bip44tab
= $("#bip44-tab");
51 DOM
.bip32panel
= $("#bip32");
52 DOM
.bip44panel
= $("#bip44");
53 DOM
.bip32path
= $("#bip32-path");
54 DOM
.bip44path
= $("#bip44-path");
55 DOM
.bip44purpose
= $("#bip44 .purpose");
56 DOM
.bip44coin
= $("#bip44 .coin");
57 DOM
.bip44account
= $("#bip44 .account");
58 DOM
.bip44accountXprv
= $("#bip44 .account-xprv");
59 DOM
.bip44accountXpub
= $("#bip44 .account-xpub");
60 DOM
.bip44change
= $("#bip44 .change");
61 DOM
.generatedStrength
= $(".generate-container .strength");
62 DOM
.hardenedAddresses
= $(".hardened-addresses");
63 DOM
.addresses
= $(".addresses");
64 DOM
.rowsToAdd
= $(".rows-to-add");
65 DOM
.more
= $(".more");
66 DOM
.feedback
= $(".feedback");
67 DOM
.tab
= $(".derivation-type a");
68 DOM
.indexToggle
= $(".index-toggle");
69 DOM
.addressToggle
= $(".address-toggle");
70 DOM
.publicKeyToggle
= $(".public-key-toggle");
71 DOM
.privateKeyToggle
= $(".private-key-toggle");
72 DOM
.languages
= $(".languages a");
73 DOM
.qrContainer
= $(".qr-container");
74 DOM
.qrHider
= DOM
.qrContainer
.find(".qr-hider");
75 DOM
.qrImage
= DOM
.qrContainer
.find(".qr-image");
76 DOM
.qrHint
= DOM
.qrContainer
.find(".qr-hint");
77 DOM
.showQrEls
= $("[data-show-qr]");
81 DOM
.network
.on("change", networkChanged
);
82 DOM
.client
.on("change", clientChanged
);
83 DOM
.useEntropy
.on("change", setEntropyVisibility
);
84 DOM
.entropy
.on("input", delayedEntropyChanged
);
85 DOM
.entropyMnemonicLength
.on("change", entropyChanged
);
86 DOM
.phrase
.on("input", delayedPhraseChanged
);
87 DOM
.passphrase
.on("input", delayedPhraseChanged
);
88 DOM
.generate
.on("click", generateClicked
);
89 DOM
.more
.on("click", showMore
);
90 DOM
.rootKey
.on("input", delayedRootKeyChanged
);
91 DOM
.bip32path
.on("input", calcForDerivationPath
);
92 DOM
.bip44purpose
.on("input", calcForDerivationPath
);
93 DOM
.bip44coin
.on("input", calcForDerivationPath
);
94 DOM
.bip44account
.on("input", calcForDerivationPath
);
95 DOM
.bip44change
.on("input", calcForDerivationPath
);
96 DOM
.tab
.on("shown.bs.tab", calcForDerivationPath
);
97 DOM
.hardenedAddresses
.on("change", calcForDerivationPath
);
98 DOM
.indexToggle
.on("click", toggleIndexes
);
99 DOM
.addressToggle
.on("click", toggleAddresses
);
100 DOM
.publicKeyToggle
.on("click", togglePublicKeys
);
101 DOM
.privateKeyToggle
.on("click", togglePrivateKeys
);
102 DOM
.languages
.on("click", languageChanged
);
103 setQrEvents(DOM
.showQrEls
);
106 hideValidationError();
107 populateNetworkSelect();
108 populateClientSelect();
113 function networkChanged(e
) {
114 var networkIndex
= e
.target
.value
;
115 networks
[networkIndex
].onSelect();
124 function clientChanged(e
) {
125 var clientIndex
= e
.target
.value
;
126 clients
[clientIndex
].onSelect();
135 function setEntropyVisibility() {
136 if (isUsingOwnEntropy()) {
137 DOM
.entropyContainer
.removeClass("hidden");
138 DOM
.generateContainer
.addClass("hidden");
139 DOM
.phrase
.prop("readonly", true);
144 DOM
.entropyContainer
.addClass("hidden");
145 DOM
.generateContainer
.removeClass("hidden");
146 DOM
.phrase
.prop("readonly", false);
151 function delayedPhraseChanged() {
152 hideValidationError();
154 if (phraseChangeTimeoutEvent
!= null) {
155 clearTimeout(phraseChangeTimeoutEvent
);
157 phraseChangeTimeoutEvent
= setTimeout(phraseChanged
, 400);
160 function phraseChanged() {
162 hideValidationError();
163 setMnemonicLanguage();
164 // Get the mnemonic phrase
165 var phrase
= DOM
.phrase
.val();
166 var errorText
= findPhraseErrors(phrase
);
168 showValidationError(errorText
);
171 // Calculate and display
172 var passphrase
= DOM
.passphrase
.val();
173 calcBip32RootKeyFromSeed(phrase
, passphrase
);
174 calcForDerivationPath();
178 function delayedEntropyChanged() {
179 hideValidationError();
181 if (entropyChangeTimeoutEvent
!= null) {
182 clearTimeout(entropyChangeTimeoutEvent
);
184 entropyChangeTimeoutEvent
= setTimeout(entropyChanged
, 400);
187 function entropyChanged() {
188 // If blank entropy, clear mnemonic, addresses, errors
189 if (DOM
.entropy
.val().trim().length
== 0) {
191 clearEntropyFeedback();
193 showValidationError("Blank entropy");
196 // Get the current phrase to detect changes
197 var phrase
= DOM
.phrase
.val();
198 // Set the phrase from the entropy
199 setMnemonicFromEntropy();
200 // Recalc addresses if the phrase has changed
201 var newPhrase
= DOM
.phrase
.val();
202 if (newPhrase
!= phrase
) {
203 if (newPhrase
.length
== 0) {
215 function delayedRootKeyChanged() {
216 // Warn if there is an existing mnemonic or passphrase.
217 if (DOM
.phrase
.val().length
> 0 || DOM
.passphrase
.val().length
> 0) {
218 if (!confirm("This will clear existing mnemonic and passphrase")) {
219 DOM
.rootKey
.val(bip32RootKey
);
223 hideValidationError();
225 // Clear existing mnemonic and passphrase
227 DOM
.passphrase
.val("");
229 if (rootKeyChangedTimeoutEvent
!= null) {
230 clearTimeout(rootKeyChangedTimeoutEvent
);
232 rootKeyChangedTimeoutEvent
= setTimeout(rootKeyChanged
, 400);
235 function rootKeyChanged() {
237 hideValidationError();
238 // Validate the root key TODO
239 var rootKeyBase58
= DOM
.rootKey
.val();
240 var errorText
= validateRootKey(rootKeyBase58
);
242 showValidationError(errorText
);
245 // Calculate and display
246 calcBip32RootKeyFromBase58(rootKeyBase58
);
247 calcForDerivationPath();
250 function calcForDerivationPath() {
252 clearAddressesList();
253 hideValidationError();
254 // Get the derivation path
255 var derivationPath
= getDerivationPath();
256 var errorText
= findDerivationPathErrors(derivationPath
);
258 showValidationError(errorText
);
261 bip32ExtendedKey
= calcBip32ExtendedKey(derivationPath
);
262 if (bip44TabSelected()) {
269 function generateClicked() {
270 if (isUsingOwnEntropy()) {
275 setTimeout(function() {
276 setMnemonicLanguage();
277 var phrase
= generateRandomPhrase();
285 function languageChanged() {
286 setTimeout(function() {
287 setMnemonicLanguage();
288 if (DOM
.phrase
.val().length
> 0) {
289 var newPhrase
= convertPhraseToNewLanguage();
290 DOM
.phrase
.val(newPhrase
);
294 DOM
.generate
.trigger("click");
299 function toggleIndexes() {
300 showIndex
= !showIndex
;
301 $("td.index span").toggleClass("invisible");
304 function toggleAddresses() {
305 showAddress
= !showAddress
;
306 $("td.address span").toggleClass("invisible");
309 function togglePublicKeys() {
310 showPubKey
= !showPubKey
;
311 $("td.pubkey span").toggleClass("invisible");
314 function togglePrivateKeys() {
315 showPrivKey
= !showPrivKey
;
316 $("td.privkey span").toggleClass("invisible");
321 function generateRandomPhrase() {
322 if (!hasStrongRandom()) {
323 var errorText
= "This browser does not support strong randomness";
324 showValidationError(errorText
);
327 var numWords
= parseInt(DOM
.generatedStrength
.val());
328 var strength
= numWords
/ 3 * 32;
329 var words
= mnemonic
.generate(strength
);
330 DOM
.phrase
.val(words
);
334 function calcBip32RootKeyFromSeed(phrase
, passphrase
) {
335 seed
= mnemonic
.toSeed(phrase
, passphrase
);
336 bip32RootKey
= bitcoin
.HDNode
.fromSeedHex(seed
, network
);
339 function calcBip32RootKeyFromBase58(rootKeyBase58
) {
340 bip32RootKey
= bitcoin
.HDNode
.fromBase58(rootKeyBase58
, network
);
343 function calcBip32ExtendedKey(path
) {
344 // Check there's a root key to derive from
348 var extendedKey
= bip32RootKey
;
349 // Derive the key from the path
350 var pathBits
= path
.split("/");
351 for (var i
=0; i
<pathBits
.length
; i
++) {
352 var bit
= pathBits
[i
];
353 var index
= parseInt(bit
);
357 var hardened
= bit
[bit
.length
-1] == "'";
358 var isPriv
= "privKey" in extendedKey
;
359 var invalidDerivationPath
= hardened
&& !isPriv
;
360 if (invalidDerivationPath
) {
364 extendedKey
= extendedKey
.deriveHardened(index
);
367 extendedKey
= extendedKey
.derive(index
);
373 function showValidationError(errorText
) {
379 function hideValidationError() {
385 function findPhraseErrors(phrase
) {
386 // Preprocess the words
387 phrase
= mnemonic
.normalizeString(phrase
);
388 var words
= phraseToWordArray(phrase
);
389 // Detect blank phrase
390 if (words
.length
== 0) {
391 return "Blank mnemonic";
394 for (var i
=0; i
<words
.length
; i
++) {
396 var language
= getLanguage();
397 if (WORDLISTS
[language
].indexOf(word
) == -1) {
398 console
.log("Finding closest match to " + word
);
399 var nearestWord
= findNearestWord(word
);
400 return word
+ " not in wordlist, did you mean " + nearestWord
+ "?";
403 // Check the words are valid
404 var properPhrase
= wordArrayToPhrase(words
);
405 var isValid
= mnemonic
.check(properPhrase
);
407 return "Invalid mnemonic";
412 function validateRootKey(rootKeyBase58
) {
414 bitcoin
.HDNode
.fromBase58(rootKeyBase58
);
417 return "Invalid root key";
422 function getDerivationPath() {
423 if (bip44TabSelected()) {
424 var purpose
= parseIntNoNaN(DOM
.bip44purpose
.val(), 44);
425 var coin
= parseIntNoNaN(DOM
.bip44coin
.val(), 0);
426 var account
= parseIntNoNaN(DOM
.bip44account
.val(), 0);
427 var change
= parseIntNoNaN(DOM
.bip44change
.val(), 0);
429 path
+= purpose
+ "'/";
431 path
+= account
+ "'/";
433 DOM
.bip44path
.val(path
);
434 var derivationPath
= DOM
.bip44path
.val();
435 console
.log("Using derivation path from BIP44 tab: " + derivationPath
);
436 return derivationPath
;
438 else if (bip32TabSelected()) {
439 var derivationPath
= DOM
.bip32path
.val();
440 console
.log("Using derivation path from BIP32 tab: " + derivationPath
);
441 return derivationPath
;
444 console
.log("Unknown derivation path");
448 function findDerivationPathErrors(path
) {
449 // TODO is not perfect but is better than nothing
451 // https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki#test-vectors
453 // https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki#extended-keys
454 var maxDepth
= 255; // TODO verify this!!
455 var maxIndexValue
= Math
.pow(2, 31); // TODO verify this!!
456 if (path
[0] != "m") {
457 return "First character must be 'm'";
459 if (path
.length
> 1) {
460 if (path
[1] != "/") {
461 return "Separator must be '/'";
463 var indexes
= path
.split("/");
464 if (indexes
.length
> maxDepth
) {
465 return "Derivation depth is " + indexes
.length
+ ", must be less than " + maxDepth
;
467 for (var depth
= 1; depth
<indexes
.length
; depth
++) {
468 var index
= indexes
[depth
];
469 var invalidChars
= index
.replace(/^[0-9]+'?$/g, "")
470 if (invalidChars
.length
> 0) {
471 return "Invalid characters " + invalidChars
+ " found at depth " + depth
;
473 var indexValue
= parseInt(index
.replace("'", ""));
475 return "Invalid number at depth " + depth
;
477 if (indexValue
> maxIndexValue
) {
478 return "Value of " + indexValue
+ " at depth " + depth
+ " must be less than " + maxIndexValue
;
482 // Check root key exists or else derivation path is useless!
484 return "No root key";
486 // Check no hardened derivation path when using xpub keys
487 var hardened
= path
.indexOf("'") > -1;
488 var isXpubkey
= !("privKey" in bip32RootKey
);
489 if (hardened
&& isXpubkey
) {
490 return "Hardened derivation path is invalid with xpub key";
495 function displayBip44Info() {
496 // Get the derivation path for the account
497 var purpose
= parseIntNoNaN(DOM
.bip44purpose
.val(), 44);
498 var coin
= parseIntNoNaN(DOM
.bip44coin
.val(), 0);
499 var account
= parseIntNoNaN(DOM
.bip44account
.val(), 0);
501 path
+= purpose
+ "'/";
503 path
+= account
+ "'/";
504 // Calculate the account extended keys
505 var accountExtendedKey
= calcBip32ExtendedKey(path
);
506 var accountXprv
= accountExtendedKey
.toBase58();
507 var accountXpub
= accountExtendedKey
.toBase58(false);
508 // Display the extended keys
509 DOM
.bip44accountXprv
.val(accountXprv
);
510 DOM
.bip44accountXpub
.val(accountXpub
);
513 function displayBip32Info() {
516 var rootKey
= bip32RootKey
.toBase58();
517 DOM
.rootKey
.val(rootKey
);
518 var xprvkeyB58
= "NA";
519 if (bip32ExtendedKey
.privKey
) {
520 xprvkeyB58
= bip32ExtendedKey
.toBase58();
522 var extendedPrivKey
= xprvkeyB58
;
523 DOM
.extendedPrivKey
.val(extendedPrivKey
);
524 var extendedPubKey
= bip32ExtendedKey
.toBase58(false);
525 DOM
.extendedPubKey
.val(extendedPubKey
);
526 // Display the addresses and privkeys
527 clearAddressesList();
528 displayAddresses(0, 20);
531 function displayAddresses(start
, total
) {
532 generationProcesses
.push(new (function() {
536 this.stop = function() {
537 for (var i
=0; i
<rows
.length
; i
++) {
538 rows
[i
].shouldGenerate
= false;
542 for (var i
=0; i
<total
; i
++) {
543 var index
= i
+ start
;
544 rows
.push(new TableRow(index
));
550 function TableRow(index
) {
553 this.shouldGenerate
= true;
554 var useHardenedAddresses
= DOM
.hardenedAddresses
.prop("checked");
560 function calculateValues() {
561 setTimeout(function() {
562 if (!self
.shouldGenerate
) {
566 if (useHardenedAddresses
) {
567 key
= bip32ExtendedKey
.deriveHardened(index
);
570 key
= bip32ExtendedKey
.derive(index
);
572 var address
= key
.getAddress().toString();
575 privkey
= key
.privKey
.toWIF(network
);
577 var pubkey
= key
.pubKey
.toHex();
578 var indexText
= getDerivationPath() + "/" + index
;
579 if (useHardenedAddresses
) {
580 indexText
= indexText
+ "'";
582 // Ethereum values are different
583 if (networks
[DOM
.network
.val()].name
== "Ethereum") {
584 var privKeyBuffer
= key
.privKey
.d
.toBuffer();
585 privkey
= privKeyBuffer
.toString('hex');
586 var addressBuffer
= ethUtil
.privateToAddress(privKeyBuffer
);
587 var hexAddress
= addressBuffer
.toString('hex');
588 var checksumAddress
= ethUtil
.toChecksumAddress(hexAddress
);
589 address
= ethUtil
.addHexPrefix(checksumAddress
);
591 addAddressToList(indexText
, address
, pubkey
, privkey
);
599 function showMore() {
600 var start
= DOM
.addresses
.children().length
;
601 var rowsToAdd
= parseInt(DOM
.rowsToAdd
.val());
602 if (isNaN(rowsToAdd
)) {
604 DOM
.rowsToAdd
.val("20");
606 if (rowsToAdd
> 200) {
607 var msg
= "Generating " + rowsToAdd
+ " rows could take a while. ";
608 msg
+= "Do you want to continue?";
613 displayAddresses(start
, rowsToAdd
);
616 function clearDisplay() {
617 clearAddressesList();
619 hideValidationError();
622 function clearAddressesList() {
623 DOM
.addresses
.empty();
627 function stopGenerating() {
628 while (generationProcesses
.length
> 0) {
629 var generation
= generationProcesses
.shift();
634 function clearKey() {
636 DOM
.extendedPrivKey
.val("");
637 DOM
.extendedPubKey
.val("");
640 function addAddressToList(indexText
, address
, pubkey
, privkey
) {
641 var row
= $(addressRowTemplate
.html());
643 var indexCell
= row
.find(".index span");
644 var addressCell
= row
.find(".address span");
645 var pubkeyCell
= row
.find(".pubkey span");
646 var privkeyCell
= row
.find(".privkey span");
648 indexCell
.text(indexText
);
649 addressCell
.text(address
);
650 pubkeyCell
.text(pubkey
);
651 privkeyCell
.text(privkey
);
654 indexCell
.addClass("invisible");
657 addressCell
.addClass("invisible");
660 pubkeyCell
.addClass("invisible");
663 privkeyCell
.addClass("invisible");
665 DOM
.addresses
.append(row
);
666 var rowShowQrEls
= row
.find("[data-show-qr]");
667 setQrEvents(rowShowQrEls
);
670 function hasStrongRandom() {
671 return 'crypto' in window
&& window
['crypto'] !== null;
674 function disableForms() {
675 $("form").on("submit", function(e
) {
680 function parseIntNoNaN(val
, defaultVal
) {
681 var v
= parseInt(val
);
688 function showPending() {
690 .text("Calculating...")
694 function findNearestWord(word
) {
695 var language
= getLanguage();
696 var words
= WORDLISTS
[language
];
697 var minDistance
= 99;
698 var closestWord
= words
[0];
699 for (var i
=0; i
<words
.length
; i
++) {
700 var comparedTo
= words
[i
];
701 if (comparedTo
.indexOf(word
) == 0) {
704 var distance
= Levenshtein
.get(word
, comparedTo
);
705 if (distance
< minDistance
) {
706 closestWord
= comparedTo
;
707 minDistance
= distance
;
713 function hidePending() {
719 function populateNetworkSelect() {
720 for (var i
=0; i
<networks
.length
; i
++) {
721 var network
= networks
[i
];
722 var option
= $("<option>");
723 option
.attr("value", i
);
724 option
.text(network
.name
);
725 DOM
.phraseNetwork
.append(option
);
729 function populateClientSelect() {
730 for (var i
=0; i
<clients
.length
; i
++) {
731 var client
= clients
[i
];
732 var option
= $("<option>");
733 option
.attr("value", i
);
734 option
.text(client
.name
);
735 DOM
.phraseClient
.append(option
);
739 function getLanguage() {
740 var defaultLanguage
= "english";
741 // Try to get from existing phrase
742 var language
= getLanguageFromPhrase();
743 // Try to get from url if not from phrase
744 if (language
.length
== 0) {
745 language
= getLanguageFromUrl();
747 // Default to English if no other option
748 if (language
.length
== 0) {
749 language
= defaultLanguage
;
754 function getLanguageFromPhrase(phrase
) {
755 // Check if how many words from existing phrase match a language.
758 phrase
= DOM
.phrase
.val();
760 if (phrase
.length
> 0) {
761 var words
= phraseToWordArray(phrase
);
762 var languageMatches
= {};
763 for (l
in WORDLISTS
) {
764 // Track how many words match in this language
765 languageMatches
[l
] = 0;
766 for (var i
=0; i
<words
.length
; i
++) {
767 var wordInLanguage
= WORDLISTS
[l
].indexOf(words
[i
]) > -1;
768 if (wordInLanguage
) {
769 languageMatches
[l
]++;
772 // Find languages with most word matches.
773 // This is made difficult due to commonalities between Chinese
774 // simplified vs traditional.
776 var mostMatchedLanguages
= [];
777 for (var l
in languageMatches
) {
778 var numMatches
= languageMatches
[l
];
779 if (numMatches
> mostMatches
) {
780 mostMatches
= numMatches
;
781 mostMatchedLanguages
= [l
];
783 else if (numMatches
== mostMatches
) {
784 mostMatchedLanguages
.push(l
);
788 if (mostMatchedLanguages
.length
> 0) {
789 // Use first language and warn if multiple detected
790 language
= mostMatchedLanguages
[0];
791 if (mostMatchedLanguages
.length
> 1) {
792 console
.warn("Multiple possible languages");
793 console
.warn(mostMatchedLanguages
);
800 function getLanguageFromUrl() {
801 for (var language
in WORDLISTS
) {
802 if (window
.location
.hash
.indexOf(language
) > -1) {
809 function setMnemonicLanguage() {
810 var language
= getLanguage();
811 // Load the bip39 mnemonic generator for this language if required
812 if (!(language
in mnemonics
)) {
813 mnemonics
[language
] = new Mnemonic(language
);
815 mnemonic
= mnemonics
[language
];
818 function convertPhraseToNewLanguage() {
819 var oldLanguage
= getLanguageFromPhrase();
820 var newLanguage
= getLanguageFromUrl();
821 var oldPhrase
= DOM
.phrase
.val();
822 var oldWords
= phraseToWordArray(oldPhrase
);
824 for (var i
=0; i
<oldWords
.length
; i
++) {
825 var oldWord
= oldWords
[i
];
826 var index
= WORDLISTS
[oldLanguage
].indexOf(oldWord
);
827 var newWord
= WORDLISTS
[newLanguage
][index
];
828 newWords
.push(newWord
);
830 newPhrase
= wordArrayToPhrase(newWords
);
834 // TODO look at jsbip39 - mnemonic.splitWords
835 function phraseToWordArray(phrase
) {
836 var words
= phrase
.split(/\s/g);
838 for (var i
=0; i
<words
.length
; i
++) {
840 if (word
.length
> 0) {
847 // TODO look at jsbip39 - mnemonic.joinWords
848 function wordArrayToPhrase(words
) {
849 var phrase
= words
.join(" ");
850 var language
= getLanguageFromPhrase(phrase
);
851 if (language
== "japanese") {
852 phrase
= words
.join("\u3000");
857 function isUsingOwnEntropy() {
858 return DOM
.useEntropy
.prop("checked");
861 function setMnemonicFromEntropy() {
862 clearEntropyFeedback();
864 var entropyStr
= DOM
.entropy
.val();
865 // Work out minimum base for entropy
866 var entropy
= Entropy
.fromString(entropyStr
);
867 if (entropy
.binaryStr
.length
== 0) {
870 // Show entropy details
871 showEntropyFeedback(entropy
);
872 // Use entropy hash if not using raw entropy
873 var bits
= entropy
.binaryStr
;
874 var mnemonicLength
= DOM
.entropyMnemonicLength
.val();
875 if (mnemonicLength
!= "raw") {
876 // Get bits by hashing entropy with SHA256
877 var hash
= sjcl
.hash
.sha256
.hash(entropy
.cleanStr
);
878 var hex
= sjcl
.codec
.hex
.fromBits(hash
);
879 bits
= BigInteger
.parse(hex
, 16).toString(2);
880 while (bits
.length
% 256 != 0) {
883 // Truncate hash to suit number of words
884 mnemonicLength
= parseInt(mnemonicLength
);
885 var numberOfBits
= 32 * mnemonicLength
/ 3;
886 bits
= bits
.substring(0, numberOfBits
);
888 // Discard trailing entropy
889 var bitsToUse
= Math
.floor(bits
.length
/ 32) * 32;
890 var start
= bits
.length
- bitsToUse
;
891 var binaryStr
= bits
.substring(start
);
892 // Convert entropy string to numeric array
894 for (var i
=0; i
<binaryStr
.length
/ 8; i
++) {
895 var byteAsBits
= binaryStr
.substring(i
*8, i
*8+8);
896 var entropyByte
= parseInt(byteAsBits
, 2);
897 entropyArr
.push(entropyByte
)
899 // Convert entropy array to mnemonic
900 var phrase
= mnemonic
.toMnemonic(entropyArr
);
901 // Set the mnemonic in the UI
902 DOM
.phrase
.val(phrase
);
905 function clearEntropyFeedback() {
906 DOM
.entropyStrength
.text("...");
907 DOM
.entropyType
.text("");
908 DOM
.entropyWordCount
.text("0");
909 DOM
.entropyEventCount
.text("0");
910 DOM
.entropyBitsPerEvent
.text("0");
911 DOM
.entropyBits
.text("0");
912 DOM
.entropyFiltered
.html(" ");
913 DOM
.entropyBinary
.html(" ");
916 function showEntropyFeedback(entropy
) {
917 var numberOfBits
= entropy
.binaryStr
.length
;
918 var strength
= "extremely weak";
919 if (numberOfBits
>= 64) {
920 strength
= "very weak";
922 if (numberOfBits
>= 96) {
925 if (numberOfBits
>= 128) {
928 if (numberOfBits
>= 160) {
929 strength
= "very strong";
931 if (numberOfBits
>= 192) {
932 strength
= "extremely strong";
934 // If time to crack is less than one day, and password is considered
935 // strong or better based on the number of bits, rename strength to
938 var z
= zxcvbn(entropy
.base
.parts
.join(""));
939 var timeToCrack
= z
.crack_times_seconds
.offline_fast_hashing_1e10_per_second
;
940 if (timeToCrack
< 86400 && entropy
.binaryStr
.length
>= 128) {
941 strength
= "easily cracked";
942 if (z
.feedback
.warning
!= "") {
943 strength
= strength
+ " - " + z
.feedback
.warning
;
948 strength
= "unknown";
949 console
.log("Error detecting entropy strength with zxcvbn:");
952 var entropyTypeStr
= getEntropyTypeStr(entropy
);
953 var wordCount
= Math
.floor(numberOfBits
/ 32) * 3;
954 var bitsPerEvent
= entropy
.bitsPerEvent
.toFixed(2);
955 DOM
.entropyFiltered
.html(entropy
.cleanHtml
);
956 DOM
.entropyType
.text(entropyTypeStr
);
957 DOM
.entropyStrength
.text(strength
);
958 DOM
.entropyEventCount
.text(entropy
.base
.ints
.length
);
959 DOM
.entropyBits
.text(numberOfBits
);
960 DOM
.entropyWordCount
.text(wordCount
);
961 DOM
.entropyBinary
.text(entropy
.binaryStr
);
962 DOM
.entropyBitsPerEvent
.text(bitsPerEvent
);
965 function getEntropyTypeStr(entropy
) {
966 var typeStr
= entropy
.base
.str
;
967 // Add some detail if these are cards
968 if (entropy
.base
.asInt
== 52) {
969 var cardDetail
= []; // array of message strings
972 var dupeTracker
= {};
973 for (var i
=0; i
<entropy
.base
.parts
.length
; i
++) {
974 var card
= entropy
.base
.parts
[i
];
975 var cardUpper
= card
.toUpperCase();
976 if (cardUpper
in dupeTracker
) {
979 dupeTracker
[cardUpper
] = true;
981 if (dupes
.length
> 0) {
982 var dupeWord
= "duplicates";
983 if (dupes
.length
== 1) {
984 dupeWord
= "duplicate";
986 var msg
= dupes
.length
+ " " + dupeWord
+ ": " + dupes
.slice(0,3).join(" ");
987 if (dupes
.length
> 3) {
990 cardDetail
.push(msg
);
993 var uniqueCards
= [];
994 for (var uniqueCard
in dupeTracker
) {
995 uniqueCards
.push(uniqueCard
);
997 if (uniqueCards
.length
== 52) {
998 cardDetail
.unshift("full deck");
1000 // Detect missing cards
1001 var values
= "A23456789TJQK";
1003 var missingCards
= [];
1004 for (var i
=0; i
<suits
.length
; i
++) {
1005 for (var j
=0; j
<values
.length
; j
++) {
1006 var card
= values
[j
] + suits
[i
];
1007 if (!(card
in dupeTracker
)) {
1008 missingCards
.push(card
);
1012 // Display missing cards if six or less, ie clearly going for full deck
1013 if (missingCards
.length
> 0 && missingCards
.length
<= 6) {
1014 var msg
= missingCards
.length
+ " missing: " + missingCards
.slice(0,3).join(" ");
1015 if (missingCards
.length
> 3) {
1018 cardDetail
.push(msg
);
1020 // Add card details to typeStr
1021 if (cardDetail
.length
> 0) {
1022 typeStr
+= " (" + cardDetail
.join(", ") + ")";
1028 function setQrEvents(els
) {
1029 els
.on("mouseenter", createQr
);
1030 els
.on("mouseleave", destroyQr
);
1031 els
.on("click", toggleQr
);
1034 function createQr(e
) {
1035 var content
= e
.target
.textContent
|| e
.target
.value
;
1038 DOM
.qrImage
.qrcode({width: size
, height: size
, text: content
});
1040 DOM
.qrHider
.addClass("hidden");
1043 DOM
.qrHider
.removeClass("hidden");
1045 DOM
.qrContainer
.removeClass("hidden");
1049 function destroyQr() {
1050 DOM
.qrImage
.text("");
1051 DOM
.qrContainer
.addClass("hidden");
1054 function toggleQr() {
1056 DOM
.qrHider
.toggleClass("hidden");
1057 DOM
.qrHint
.toggleClass("hidden");
1060 function bip44TabSelected() {
1061 return DOM
.bip44tab
.hasClass("active");
1064 function bip32TabSelected() {
1065 return DOM
.bip32tab
.hasClass("active");
1071 onSelect: function() {
1072 network
= bitcoin
.networks
.bitcoin
;
1073 DOM
.bip44coin
.val(0);
1077 name: "Bitcoin Testnet",
1078 onSelect: function() {
1079 network
= bitcoin
.networks
.testnet
;
1080 DOM
.bip44coin
.val(1);
1085 onSelect: function() {
1086 network
= bitcoin
.networks
.litecoin
;
1087 DOM
.bip44coin
.val(2);
1092 onSelect: function() {
1093 network
= bitcoin
.networks
.dogecoin
;
1094 DOM
.bip44coin
.val(3);
1099 onSelect: function() {
1100 network
= bitcoin
.networks
.shadow
;
1101 DOM
.bip44coin
.val(35);
1105 name: "ShadowCash Testnet",
1106 onSelect: function() {
1107 network
= bitcoin
.networks
.shadowtn
;
1108 DOM
.bip44coin
.val(1);
1113 onSelect: function() {
1114 network
= bitcoin
.networks
.viacoin
;
1115 DOM
.bip44coin
.val(14);
1119 name: "Viacoin Testnet",
1120 onSelect: function() {
1121 network
= bitcoin
.networks
.viacointestnet
;
1122 DOM
.bip44coin
.val(1);
1127 onSelect: function() {
1128 network
= bitcoin
.networks
.jumbucks
;
1129 DOM
.bip44coin
.val(26);
1134 onSelect: function() {
1135 network
= bitcoin
.networks
.clam
;
1136 DOM
.bip44coin
.val(23);
1141 onSelect: function() {
1142 network
= bitcoin
.networks
.dash
;
1143 DOM
.bip44coin
.val(5);
1148 onSelect: function() {
1149 network
= bitcoin
.networks
.namecoin
;
1150 DOM
.bip44coin
.val(7);
1155 onSelect: function() {
1156 network
= bitcoin
.networks
.peercoin
;
1157 DOM
.bip44coin
.val(6);
1162 onSelect: function() {
1163 network
= bitcoin
.networks
.bitcoin
;
1164 DOM
.bip44coin
.val(60);
1171 name: "Bitcoin Core",
1172 onSelect: function() {
1173 DOM
.bip32path
.val("m/0'/0'");
1174 DOM
.hardenedAddresses
.prop('checked', true);
1178 name: "blockchain.info",
1179 onSelect: function() {
1180 DOM
.bip32path
.val("m/44'/0'/0'");
1181 DOM
.hardenedAddresses
.prop('checked', false);
1185 name: "MultiBit HD",
1186 onSelect: function() {
1187 DOM
.bip32path
.val("m/0'/0");
1188 DOM
.hardenedAddresses
.prop('checked', false);