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
.bip32Client
= $("#bip32-client");
27 DOM
.phraseNetwork
= $("#network-phrase");
28 DOM
.useEntropy
= $(".use-entropy");
29 DOM
.entropyContainer
= $(".entropy-container");
30 DOM
.entropy
= $(".entropy");
31 DOM
.entropyFiltered
= DOM
.entropyContainer
.find(".filtered");
32 DOM
.entropyType
= DOM
.entropyContainer
.find(".type");
33 DOM
.entropyStrength
= DOM
.entropyContainer
.find(".strength");
34 DOM
.entropyEventCount
= DOM
.entropyContainer
.find(".event-count");
35 DOM
.entropyBits
= DOM
.entropyContainer
.find(".bits");
36 DOM
.entropyBitsPerEvent
= DOM
.entropyContainer
.find(".bits-per-event");
37 DOM
.entropyWordCount
= DOM
.entropyContainer
.find(".word-count");
38 DOM
.entropyBinary
= DOM
.entropyContainer
.find(".binary");
39 DOM
.entropyMnemonicLength
= DOM
.entropyContainer
.find(".mnemonic-length");
40 DOM
.phrase
= $(".phrase");
41 DOM
.passphrase
= $(".passphrase");
42 DOM
.generateContainer
= $(".generate-container");
43 DOM
.generate
= $(".generate");
44 DOM
.seed
= $(".seed");
45 DOM
.rootKey
= $(".root-key");
46 DOM
.extendedPrivKey
= $(".extended-priv-key");
47 DOM
.extendedPubKey
= $(".extended-pub-key");
48 DOM
.bip32tab
= $("#bip32-tab");
49 DOM
.bip44tab
= $("#bip44-tab");
50 DOM
.bip32panel
= $("#bip32");
51 DOM
.bip44panel
= $("#bip44");
52 DOM
.bip32path
= $("#bip32-path");
53 DOM
.bip44path
= $("#bip44-path");
54 DOM
.bip44purpose
= $("#bip44 .purpose");
55 DOM
.bip44coin
= $("#bip44 .coin");
56 DOM
.bip44account
= $("#bip44 .account");
57 DOM
.bip44accountXprv
= $("#bip44 .account-xprv");
58 DOM
.bip44accountXpub
= $("#bip44 .account-xpub");
59 DOM
.bip44change
= $("#bip44 .change");
60 DOM
.generatedStrength
= $(".generate-container .strength");
61 DOM
.hardenedAddresses
= $(".hardened-addresses");
62 DOM
.addresses
= $(".addresses");
63 DOM
.rowsToAdd
= $(".rows-to-add");
64 DOM
.more
= $(".more");
65 DOM
.feedback
= $(".feedback");
66 DOM
.tab
= $(".derivation-type a");
67 DOM
.indexToggle
= $(".index-toggle");
68 DOM
.addressToggle
= $(".address-toggle");
69 DOM
.publicKeyToggle
= $(".public-key-toggle");
70 DOM
.privateKeyToggle
= $(".private-key-toggle");
71 DOM
.languages
= $(".languages a");
72 DOM
.qrContainer
= $(".qr-container");
73 DOM
.qrHider
= DOM
.qrContainer
.find(".qr-hider");
74 DOM
.qrImage
= DOM
.qrContainer
.find(".qr-image");
75 DOM
.qrHint
= DOM
.qrContainer
.find(".qr-hint");
76 DOM
.showQrEls
= $("[data-show-qr]");
80 DOM
.network
.on("change", networkChanged
);
81 DOM
.bip32Client
.on("change", bip32ClientChanged
);
82 DOM
.useEntropy
.on("change", setEntropyVisibility
);
83 DOM
.entropy
.on("input", delayedEntropyChanged
);
84 DOM
.entropyMnemonicLength
.on("change", entropyChanged
);
85 DOM
.phrase
.on("input", delayedPhraseChanged
);
86 DOM
.passphrase
.on("input", delayedPhraseChanged
);
87 DOM
.generate
.on("click", generateClicked
);
88 DOM
.more
.on("click", showMore
);
89 DOM
.rootKey
.on("input", delayedRootKeyChanged
);
90 DOM
.bip32path
.on("input", calcForDerivationPath
);
91 DOM
.bip44purpose
.on("input", calcForDerivationPath
);
92 DOM
.bip44coin
.on("input", calcForDerivationPath
);
93 DOM
.bip44account
.on("input", calcForDerivationPath
);
94 DOM
.bip44change
.on("input", calcForDerivationPath
);
95 DOM
.tab
.on("shown.bs.tab", calcForDerivationPath
);
96 DOM
.hardenedAddresses
.on("change", calcForDerivationPath
);
97 DOM
.indexToggle
.on("click", toggleIndexes
);
98 DOM
.addressToggle
.on("click", toggleAddresses
);
99 DOM
.publicKeyToggle
.on("click", togglePublicKeys
);
100 DOM
.privateKeyToggle
.on("click", togglePrivateKeys
);
101 DOM
.languages
.on("click", languageChanged
);
102 setQrEvents(DOM
.showQrEls
);
105 hideValidationError();
106 populateNetworkSelect();
107 populateClientSelect();
112 function networkChanged(e
) {
113 var networkIndex
= e
.target
.value
;
114 networks
[networkIndex
].onSelect();
123 function bip32ClientChanged(e
) {
124 var clientIndex
= DOM
.bip32Client
.val();
125 if (clientIndex
== "custom") {
126 DOM
.bip32path
.prop("readonly", false);
129 DOM
.bip32path
.prop("readonly", true);
130 clients
[clientIndex
].onSelect();
140 function setEntropyVisibility() {
141 if (isUsingOwnEntropy()) {
142 DOM
.entropyContainer
.removeClass("hidden");
143 DOM
.generateContainer
.addClass("hidden");
144 DOM
.phrase
.prop("readonly", true);
149 DOM
.entropyContainer
.addClass("hidden");
150 DOM
.generateContainer
.removeClass("hidden");
151 DOM
.phrase
.prop("readonly", false);
156 function delayedPhraseChanged() {
157 hideValidationError();
159 if (phraseChangeTimeoutEvent
!= null) {
160 clearTimeout(phraseChangeTimeoutEvent
);
162 phraseChangeTimeoutEvent
= setTimeout(phraseChanged
, 400);
165 function phraseChanged() {
167 hideValidationError();
168 setMnemonicLanguage();
169 // Get the mnemonic phrase
170 var phrase
= DOM
.phrase
.val();
171 var errorText
= findPhraseErrors(phrase
);
173 showValidationError(errorText
);
176 // Calculate and display
177 var passphrase
= DOM
.passphrase
.val();
178 calcBip32RootKeyFromSeed(phrase
, passphrase
);
179 calcForDerivationPath();
183 function delayedEntropyChanged() {
184 hideValidationError();
186 if (entropyChangeTimeoutEvent
!= null) {
187 clearTimeout(entropyChangeTimeoutEvent
);
189 entropyChangeTimeoutEvent
= setTimeout(entropyChanged
, 400);
192 function entropyChanged() {
193 // If blank entropy, clear mnemonic, addresses, errors
194 if (DOM
.entropy
.val().trim().length
== 0) {
196 clearEntropyFeedback();
198 showValidationError("Blank entropy");
201 // Get the current phrase to detect changes
202 var phrase
= DOM
.phrase
.val();
203 // Set the phrase from the entropy
204 setMnemonicFromEntropy();
205 // Recalc addresses if the phrase has changed
206 var newPhrase
= DOM
.phrase
.val();
207 if (newPhrase
!= phrase
) {
208 if (newPhrase
.length
== 0) {
220 function delayedRootKeyChanged() {
221 // Warn if there is an existing mnemonic or passphrase.
222 if (DOM
.phrase
.val().length
> 0 || DOM
.passphrase
.val().length
> 0) {
223 if (!confirm("This will clear existing mnemonic and passphrase")) {
224 DOM
.rootKey
.val(bip32RootKey
);
228 hideValidationError();
230 // Clear existing mnemonic and passphrase
232 DOM
.passphrase
.val("");
234 if (rootKeyChangedTimeoutEvent
!= null) {
235 clearTimeout(rootKeyChangedTimeoutEvent
);
237 rootKeyChangedTimeoutEvent
= setTimeout(rootKeyChanged
, 400);
240 function rootKeyChanged() {
242 hideValidationError();
243 // Validate the root key TODO
244 var rootKeyBase58
= DOM
.rootKey
.val();
245 var errorText
= validateRootKey(rootKeyBase58
);
247 showValidationError(errorText
);
250 // Calculate and display
251 calcBip32RootKeyFromBase58(rootKeyBase58
);
252 calcForDerivationPath();
255 function calcForDerivationPath() {
257 clearAddressesList();
258 hideValidationError();
259 // Get the derivation path
260 var derivationPath
= getDerivationPath();
261 var errorText
= findDerivationPathErrors(derivationPath
);
263 showValidationError(errorText
);
266 bip32ExtendedKey
= calcBip32ExtendedKey(derivationPath
);
267 if (bip44TabSelected()) {
274 function generateClicked() {
275 if (isUsingOwnEntropy()) {
280 setTimeout(function() {
281 setMnemonicLanguage();
282 var phrase
= generateRandomPhrase();
290 function languageChanged() {
291 setTimeout(function() {
292 setMnemonicLanguage();
293 if (DOM
.phrase
.val().length
> 0) {
294 var newPhrase
= convertPhraseToNewLanguage();
295 DOM
.phrase
.val(newPhrase
);
299 DOM
.generate
.trigger("click");
304 function toggleIndexes() {
305 showIndex
= !showIndex
;
306 $("td.index span").toggleClass("invisible");
309 function toggleAddresses() {
310 showAddress
= !showAddress
;
311 $("td.address span").toggleClass("invisible");
314 function togglePublicKeys() {
315 showPubKey
= !showPubKey
;
316 $("td.pubkey span").toggleClass("invisible");
319 function togglePrivateKeys() {
320 showPrivKey
= !showPrivKey
;
321 $("td.privkey span").toggleClass("invisible");
326 function generateRandomPhrase() {
327 if (!hasStrongRandom()) {
328 var errorText
= "This browser does not support strong randomness";
329 showValidationError(errorText
);
332 var numWords
= parseInt(DOM
.generatedStrength
.val());
333 var strength
= numWords
/ 3 * 32;
334 var words
= mnemonic
.generate(strength
);
335 DOM
.phrase
.val(words
);
339 function calcBip32RootKeyFromSeed(phrase
, passphrase
) {
340 seed
= mnemonic
.toSeed(phrase
, passphrase
);
341 bip32RootKey
= bitcoin
.HDNode
.fromSeedHex(seed
, network
);
344 function calcBip32RootKeyFromBase58(rootKeyBase58
) {
345 bip32RootKey
= bitcoin
.HDNode
.fromBase58(rootKeyBase58
, network
);
348 function calcBip32ExtendedKey(path
) {
349 // Check there's a root key to derive from
353 var extendedKey
= bip32RootKey
;
354 // Derive the key from the path
355 var pathBits
= path
.split("/");
356 for (var i
=0; i
<pathBits
.length
; i
++) {
357 var bit
= pathBits
[i
];
358 var index
= parseInt(bit
);
362 var hardened
= bit
[bit
.length
-1] == "'";
363 var isPriv
= "privKey" in extendedKey
;
364 var invalidDerivationPath
= hardened
&& !isPriv
;
365 if (invalidDerivationPath
) {
369 extendedKey
= extendedKey
.deriveHardened(index
);
372 extendedKey
= extendedKey
.derive(index
);
378 function showValidationError(errorText
) {
384 function hideValidationError() {
390 function findPhraseErrors(phrase
) {
391 // Preprocess the words
392 phrase
= mnemonic
.normalizeString(phrase
);
393 var words
= phraseToWordArray(phrase
);
394 // Detect blank phrase
395 if (words
.length
== 0) {
396 return "Blank mnemonic";
399 for (var i
=0; i
<words
.length
; i
++) {
401 var language
= getLanguage();
402 if (WORDLISTS
[language
].indexOf(word
) == -1) {
403 console
.log("Finding closest match to " + word
);
404 var nearestWord
= findNearestWord(word
);
405 return word
+ " not in wordlist, did you mean " + nearestWord
+ "?";
408 // Check the words are valid
409 var properPhrase
= wordArrayToPhrase(words
);
410 var isValid
= mnemonic
.check(properPhrase
);
412 return "Invalid mnemonic";
417 function validateRootKey(rootKeyBase58
) {
419 bitcoin
.HDNode
.fromBase58(rootKeyBase58
);
422 return "Invalid root key";
427 function getDerivationPath() {
428 if (bip44TabSelected()) {
429 var purpose
= parseIntNoNaN(DOM
.bip44purpose
.val(), 44);
430 var coin
= parseIntNoNaN(DOM
.bip44coin
.val(), 0);
431 var account
= parseIntNoNaN(DOM
.bip44account
.val(), 0);
432 var change
= parseIntNoNaN(DOM
.bip44change
.val(), 0);
434 path
+= purpose
+ "'/";
436 path
+= account
+ "'/";
438 DOM
.bip44path
.val(path
);
439 var derivationPath
= DOM
.bip44path
.val();
440 console
.log("Using derivation path from BIP44 tab: " + derivationPath
);
441 return derivationPath
;
443 else if (bip32TabSelected()) {
444 var derivationPath
= DOM
.bip32path
.val();
445 console
.log("Using derivation path from BIP32 tab: " + derivationPath
);
446 return derivationPath
;
449 console
.log("Unknown derivation path");
453 function findDerivationPathErrors(path
) {
454 // TODO is not perfect but is better than nothing
456 // https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki#test-vectors
458 // https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki#extended-keys
459 var maxDepth
= 255; // TODO verify this!!
460 var maxIndexValue
= Math
.pow(2, 31); // TODO verify this!!
461 if (path
[0] != "m") {
462 return "First character must be 'm'";
464 if (path
.length
> 1) {
465 if (path
[1] != "/") {
466 return "Separator must be '/'";
468 var indexes
= path
.split("/");
469 if (indexes
.length
> maxDepth
) {
470 return "Derivation depth is " + indexes
.length
+ ", must be less than " + maxDepth
;
472 for (var depth
= 1; depth
<indexes
.length
; depth
++) {
473 var index
= indexes
[depth
];
474 var invalidChars
= index
.replace(/^[0-9]+'?$/g, "")
475 if (invalidChars
.length
> 0) {
476 return "Invalid characters " + invalidChars
+ " found at depth " + depth
;
478 var indexValue
= parseInt(index
.replace("'", ""));
480 return "Invalid number at depth " + depth
;
482 if (indexValue
> maxIndexValue
) {
483 return "Value of " + indexValue
+ " at depth " + depth
+ " must be less than " + maxIndexValue
;
487 // Check root key exists or else derivation path is useless!
489 return "No root key";
491 // Check no hardened derivation path when using xpub keys
492 var hardened
= path
.indexOf("'") > -1;
493 var isXpubkey
= !("privKey" in bip32RootKey
);
494 if (hardened
&& isXpubkey
) {
495 return "Hardened derivation path is invalid with xpub key";
500 function displayBip44Info() {
501 // Get the derivation path for the account
502 var purpose
= parseIntNoNaN(DOM
.bip44purpose
.val(), 44);
503 var coin
= parseIntNoNaN(DOM
.bip44coin
.val(), 0);
504 var account
= parseIntNoNaN(DOM
.bip44account
.val(), 0);
506 path
+= purpose
+ "'/";
508 path
+= account
+ "'/";
509 // Calculate the account extended keys
510 var accountExtendedKey
= calcBip32ExtendedKey(path
);
511 var accountXprv
= accountExtendedKey
.toBase58();
512 var accountXpub
= accountExtendedKey
.toBase58(false);
513 // Display the extended keys
514 DOM
.bip44accountXprv
.val(accountXprv
);
515 DOM
.bip44accountXpub
.val(accountXpub
);
518 function displayBip32Info() {
521 var rootKey
= bip32RootKey
.toBase58();
522 DOM
.rootKey
.val(rootKey
);
523 var xprvkeyB58
= "NA";
524 if (bip32ExtendedKey
.privKey
) {
525 xprvkeyB58
= bip32ExtendedKey
.toBase58();
527 var extendedPrivKey
= xprvkeyB58
;
528 DOM
.extendedPrivKey
.val(extendedPrivKey
);
529 var extendedPubKey
= bip32ExtendedKey
.toBase58(false);
530 DOM
.extendedPubKey
.val(extendedPubKey
);
531 // Display the addresses and privkeys
532 clearAddressesList();
533 displayAddresses(0, 20);
536 function displayAddresses(start
, total
) {
537 generationProcesses
.push(new (function() {
541 this.stop = function() {
542 for (var i
=0; i
<rows
.length
; i
++) {
543 rows
[i
].shouldGenerate
= false;
547 for (var i
=0; i
<total
; i
++) {
548 var index
= i
+ start
;
549 rows
.push(new TableRow(index
));
555 function TableRow(index
) {
558 this.shouldGenerate
= true;
559 var useHardenedAddresses
= DOM
.hardenedAddresses
.prop("checked");
565 function calculateValues() {
566 setTimeout(function() {
567 if (!self
.shouldGenerate
) {
571 if (useHardenedAddresses
) {
572 key
= bip32ExtendedKey
.deriveHardened(index
);
575 key
= bip32ExtendedKey
.derive(index
);
577 var address
= key
.getAddress().toString();
580 privkey
= key
.privKey
.toWIF(network
);
582 var pubkey
= key
.pubKey
.toHex();
583 var indexText
= getDerivationPath() + "/" + index
;
584 if (useHardenedAddresses
) {
585 indexText
= indexText
+ "'";
587 // Ethereum values are different
588 if (networks
[DOM
.network
.val()].name
== "Ethereum") {
589 var privKeyBuffer
= key
.privKey
.d
.toBuffer();
590 privkey
= privKeyBuffer
.toString('hex');
591 var addressBuffer
= ethUtil
.privateToAddress(privKeyBuffer
);
592 var hexAddress
= addressBuffer
.toString('hex');
593 var checksumAddress
= ethUtil
.toChecksumAddress(hexAddress
);
594 address
= ethUtil
.addHexPrefix(checksumAddress
);
596 addAddressToList(indexText
, address
, pubkey
, privkey
);
604 function showMore() {
605 var start
= DOM
.addresses
.children().length
;
606 var rowsToAdd
= parseInt(DOM
.rowsToAdd
.val());
607 if (isNaN(rowsToAdd
)) {
609 DOM
.rowsToAdd
.val("20");
611 if (rowsToAdd
> 200) {
612 var msg
= "Generating " + rowsToAdd
+ " rows could take a while. ";
613 msg
+= "Do you want to continue?";
618 displayAddresses(start
, rowsToAdd
);
621 function clearDisplay() {
622 clearAddressesList();
624 hideValidationError();
627 function clearAddressesList() {
628 DOM
.addresses
.empty();
632 function stopGenerating() {
633 while (generationProcesses
.length
> 0) {
634 var generation
= generationProcesses
.shift();
639 function clearKey() {
641 DOM
.extendedPrivKey
.val("");
642 DOM
.extendedPubKey
.val("");
645 function addAddressToList(indexText
, address
, pubkey
, privkey
) {
646 var row
= $(addressRowTemplate
.html());
648 var indexCell
= row
.find(".index span");
649 var addressCell
= row
.find(".address span");
650 var pubkeyCell
= row
.find(".pubkey span");
651 var privkeyCell
= row
.find(".privkey span");
653 indexCell
.text(indexText
);
654 addressCell
.text(address
);
655 pubkeyCell
.text(pubkey
);
656 privkeyCell
.text(privkey
);
659 indexCell
.addClass("invisible");
662 addressCell
.addClass("invisible");
665 pubkeyCell
.addClass("invisible");
668 privkeyCell
.addClass("invisible");
670 DOM
.addresses
.append(row
);
671 var rowShowQrEls
= row
.find("[data-show-qr]");
672 setQrEvents(rowShowQrEls
);
675 function hasStrongRandom() {
676 return 'crypto' in window
&& window
['crypto'] !== null;
679 function disableForms() {
680 $("form").on("submit", function(e
) {
685 function parseIntNoNaN(val
, defaultVal
) {
686 var v
= parseInt(val
);
693 function showPending() {
695 .text("Calculating...")
699 function findNearestWord(word
) {
700 var language
= getLanguage();
701 var words
= WORDLISTS
[language
];
702 var minDistance
= 99;
703 var closestWord
= words
[0];
704 for (var i
=0; i
<words
.length
; i
++) {
705 var comparedTo
= words
[i
];
706 if (comparedTo
.indexOf(word
) == 0) {
709 var distance
= Levenshtein
.get(word
, comparedTo
);
710 if (distance
< minDistance
) {
711 closestWord
= comparedTo
;
712 minDistance
= distance
;
718 function hidePending() {
724 function populateNetworkSelect() {
725 for (var i
=0; i
<networks
.length
; i
++) {
726 var network
= networks
[i
];
727 var option
= $("<option>");
728 option
.attr("value", i
);
729 option
.text(network
.name
);
730 DOM
.phraseNetwork
.append(option
);
734 function populateClientSelect() {
735 for (var i
=0; i
<clients
.length
; i
++) {
736 var client
= clients
[i
];
737 var option
= $("<option>");
738 option
.attr("value", i
);
739 option
.text(client
.name
);
740 DOM
.bip32Client
.append(option
);
744 function getLanguage() {
745 var defaultLanguage
= "english";
746 // Try to get from existing phrase
747 var language
= getLanguageFromPhrase();
748 // Try to get from url if not from phrase
749 if (language
.length
== 0) {
750 language
= getLanguageFromUrl();
752 // Default to English if no other option
753 if (language
.length
== 0) {
754 language
= defaultLanguage
;
759 function getLanguageFromPhrase(phrase
) {
760 // Check if how many words from existing phrase match a language.
763 phrase
= DOM
.phrase
.val();
765 if (phrase
.length
> 0) {
766 var words
= phraseToWordArray(phrase
);
767 var languageMatches
= {};
768 for (l
in WORDLISTS
) {
769 // Track how many words match in this language
770 languageMatches
[l
] = 0;
771 for (var i
=0; i
<words
.length
; i
++) {
772 var wordInLanguage
= WORDLISTS
[l
].indexOf(words
[i
]) > -1;
773 if (wordInLanguage
) {
774 languageMatches
[l
]++;
777 // Find languages with most word matches.
778 // This is made difficult due to commonalities between Chinese
779 // simplified vs traditional.
781 var mostMatchedLanguages
= [];
782 for (var l
in languageMatches
) {
783 var numMatches
= languageMatches
[l
];
784 if (numMatches
> mostMatches
) {
785 mostMatches
= numMatches
;
786 mostMatchedLanguages
= [l
];
788 else if (numMatches
== mostMatches
) {
789 mostMatchedLanguages
.push(l
);
793 if (mostMatchedLanguages
.length
> 0) {
794 // Use first language and warn if multiple detected
795 language
= mostMatchedLanguages
[0];
796 if (mostMatchedLanguages
.length
> 1) {
797 console
.warn("Multiple possible languages");
798 console
.warn(mostMatchedLanguages
);
805 function getLanguageFromUrl() {
806 for (var language
in WORDLISTS
) {
807 if (window
.location
.hash
.indexOf(language
) > -1) {
814 function setMnemonicLanguage() {
815 var language
= getLanguage();
816 // Load the bip39 mnemonic generator for this language if required
817 if (!(language
in mnemonics
)) {
818 mnemonics
[language
] = new Mnemonic(language
);
820 mnemonic
= mnemonics
[language
];
823 function convertPhraseToNewLanguage() {
824 var oldLanguage
= getLanguageFromPhrase();
825 var newLanguage
= getLanguageFromUrl();
826 var oldPhrase
= DOM
.phrase
.val();
827 var oldWords
= phraseToWordArray(oldPhrase
);
829 for (var i
=0; i
<oldWords
.length
; i
++) {
830 var oldWord
= oldWords
[i
];
831 var index
= WORDLISTS
[oldLanguage
].indexOf(oldWord
);
832 var newWord
= WORDLISTS
[newLanguage
][index
];
833 newWords
.push(newWord
);
835 newPhrase
= wordArrayToPhrase(newWords
);
839 // TODO look at jsbip39 - mnemonic.splitWords
840 function phraseToWordArray(phrase
) {
841 var words
= phrase
.split(/\s/g);
843 for (var i
=0; i
<words
.length
; i
++) {
845 if (word
.length
> 0) {
852 // TODO look at jsbip39 - mnemonic.joinWords
853 function wordArrayToPhrase(words
) {
854 var phrase
= words
.join(" ");
855 var language
= getLanguageFromPhrase(phrase
);
856 if (language
== "japanese") {
857 phrase
= words
.join("\u3000");
862 function isUsingOwnEntropy() {
863 return DOM
.useEntropy
.prop("checked");
866 function setMnemonicFromEntropy() {
867 clearEntropyFeedback();
869 var entropyStr
= DOM
.entropy
.val();
870 // Work out minimum base for entropy
871 var entropy
= Entropy
.fromString(entropyStr
);
872 if (entropy
.binaryStr
.length
== 0) {
875 // Show entropy details
876 showEntropyFeedback(entropy
);
877 // Use entropy hash if not using raw entropy
878 var bits
= entropy
.binaryStr
;
879 var mnemonicLength
= DOM
.entropyMnemonicLength
.val();
880 if (mnemonicLength
!= "raw") {
881 // Get bits by hashing entropy with SHA256
882 var hash
= sjcl
.hash
.sha256
.hash(entropy
.cleanStr
);
883 var hex
= sjcl
.codec
.hex
.fromBits(hash
);
884 bits
= BigInteger
.parse(hex
, 16).toString(2);
885 while (bits
.length
% 256 != 0) {
888 // Truncate hash to suit number of words
889 mnemonicLength
= parseInt(mnemonicLength
);
890 var numberOfBits
= 32 * mnemonicLength
/ 3;
891 bits
= bits
.substring(0, numberOfBits
);
893 // Discard trailing entropy
894 var bitsToUse
= Math
.floor(bits
.length
/ 32) * 32;
895 var start
= bits
.length
- bitsToUse
;
896 var binaryStr
= bits
.substring(start
);
897 // Convert entropy string to numeric array
899 for (var i
=0; i
<binaryStr
.length
/ 8; i
++) {
900 var byteAsBits
= binaryStr
.substring(i
*8, i
*8+8);
901 var entropyByte
= parseInt(byteAsBits
, 2);
902 entropyArr
.push(entropyByte
)
904 // Convert entropy array to mnemonic
905 var phrase
= mnemonic
.toMnemonic(entropyArr
);
906 // Set the mnemonic in the UI
907 DOM
.phrase
.val(phrase
);
910 function clearEntropyFeedback() {
911 DOM
.entropyStrength
.text("...");
912 DOM
.entropyType
.text("");
913 DOM
.entropyWordCount
.text("0");
914 DOM
.entropyEventCount
.text("0");
915 DOM
.entropyBitsPerEvent
.text("0");
916 DOM
.entropyBits
.text("0");
917 DOM
.entropyFiltered
.html(" ");
918 DOM
.entropyBinary
.html(" ");
921 function showEntropyFeedback(entropy
) {
922 var numberOfBits
= entropy
.binaryStr
.length
;
923 var strength
= "extremely weak";
924 if (numberOfBits
>= 64) {
925 strength
= "very weak";
927 if (numberOfBits
>= 96) {
930 if (numberOfBits
>= 128) {
933 if (numberOfBits
>= 160) {
934 strength
= "very strong";
936 if (numberOfBits
>= 192) {
937 strength
= "extremely strong";
939 // If time to crack is less than one day, and password is considered
940 // strong or better based on the number of bits, rename strength to
943 var z
= zxcvbn(entropy
.base
.parts
.join(""));
944 var timeToCrack
= z
.crack_times_seconds
.offline_fast_hashing_1e10_per_second
;
945 if (timeToCrack
< 86400 && entropy
.binaryStr
.length
>= 128) {
946 strength
= "easily cracked";
947 if (z
.feedback
.warning
!= "") {
948 strength
= strength
+ " - " + z
.feedback
.warning
;
953 strength
= "unknown";
954 console
.log("Error detecting entropy strength with zxcvbn:");
957 var entropyTypeStr
= getEntropyTypeStr(entropy
);
958 var wordCount
= Math
.floor(numberOfBits
/ 32) * 3;
959 var bitsPerEvent
= entropy
.bitsPerEvent
.toFixed(2);
960 DOM
.entropyFiltered
.html(entropy
.cleanHtml
);
961 DOM
.entropyType
.text(entropyTypeStr
);
962 DOM
.entropyStrength
.text(strength
);
963 DOM
.entropyEventCount
.text(entropy
.base
.ints
.length
);
964 DOM
.entropyBits
.text(numberOfBits
);
965 DOM
.entropyWordCount
.text(wordCount
);
966 DOM
.entropyBinary
.text(entropy
.binaryStr
);
967 DOM
.entropyBitsPerEvent
.text(bitsPerEvent
);
970 function getEntropyTypeStr(entropy
) {
971 var typeStr
= entropy
.base
.str
;
972 // Add some detail if these are cards
973 if (entropy
.base
.asInt
== 52) {
974 var cardDetail
= []; // array of message strings
977 var dupeTracker
= {};
978 for (var i
=0; i
<entropy
.base
.parts
.length
; i
++) {
979 var card
= entropy
.base
.parts
[i
];
980 var cardUpper
= card
.toUpperCase();
981 if (cardUpper
in dupeTracker
) {
984 dupeTracker
[cardUpper
] = true;
986 if (dupes
.length
> 0) {
987 var dupeWord
= "duplicates";
988 if (dupes
.length
== 1) {
989 dupeWord
= "duplicate";
991 var msg
= dupes
.length
+ " " + dupeWord
+ ": " + dupes
.slice(0,3).join(" ");
992 if (dupes
.length
> 3) {
995 cardDetail
.push(msg
);
998 var uniqueCards
= [];
999 for (var uniqueCard
in dupeTracker
) {
1000 uniqueCards
.push(uniqueCard
);
1002 if (uniqueCards
.length
== 52) {
1003 cardDetail
.unshift("full deck");
1005 // Detect missing cards
1006 var values
= "A23456789TJQK";
1008 var missingCards
= [];
1009 for (var i
=0; i
<suits
.length
; i
++) {
1010 for (var j
=0; j
<values
.length
; j
++) {
1011 var card
= values
[j
] + suits
[i
];
1012 if (!(card
in dupeTracker
)) {
1013 missingCards
.push(card
);
1017 // Display missing cards if six or less, ie clearly going for full deck
1018 if (missingCards
.length
> 0 && missingCards
.length
<= 6) {
1019 var msg
= missingCards
.length
+ " missing: " + missingCards
.slice(0,3).join(" ");
1020 if (missingCards
.length
> 3) {
1023 cardDetail
.push(msg
);
1025 // Add card details to typeStr
1026 if (cardDetail
.length
> 0) {
1027 typeStr
+= " (" + cardDetail
.join(", ") + ")";
1033 function setQrEvents(els
) {
1034 els
.on("mouseenter", createQr
);
1035 els
.on("mouseleave", destroyQr
);
1036 els
.on("click", toggleQr
);
1039 function createQr(e
) {
1040 var content
= e
.target
.textContent
|| e
.target
.value
;
1043 DOM
.qrImage
.qrcode({width: size
, height: size
, text: content
});
1045 DOM
.qrHider
.addClass("hidden");
1048 DOM
.qrHider
.removeClass("hidden");
1050 DOM
.qrContainer
.removeClass("hidden");
1054 function destroyQr() {
1055 DOM
.qrImage
.text("");
1056 DOM
.qrContainer
.addClass("hidden");
1059 function toggleQr() {
1061 DOM
.qrHider
.toggleClass("hidden");
1062 DOM
.qrHint
.toggleClass("hidden");
1065 function bip44TabSelected() {
1066 return DOM
.bip44tab
.hasClass("active");
1069 function bip32TabSelected() {
1070 return DOM
.bip32tab
.hasClass("active");
1076 onSelect: function() {
1077 network
= bitcoin
.networks
.bitcoin
;
1078 DOM
.bip44coin
.val(0);
1082 name: "Bitcoin Testnet",
1083 onSelect: function() {
1084 network
= bitcoin
.networks
.testnet
;
1085 DOM
.bip44coin
.val(1);
1090 onSelect: function() {
1091 network
= bitcoin
.networks
.clam
;
1092 DOM
.bip44coin
.val(23);
1097 onSelect: function() {
1098 network
= bitcoin
.networks
.dogecoin
;
1099 DOM
.bip44coin
.val(3);
1104 onSelect: function() {
1105 network
= bitcoin
.networks
.dash
;
1106 DOM
.bip44coin
.val(5);
1111 onSelect: function() {
1112 network
= bitcoin
.networks
.bitcoin
;
1113 DOM
.bip44coin
.val(60);
1118 onSelect: function() {
1119 network
= bitcoin
.networks
.game
;
1120 DOM
.bip44coin
.val(101);
1125 onSelect: function() {
1126 network
= bitcoin
.networks
.jumbucks
;
1127 DOM
.bip44coin
.val(26);
1132 onSelect: function() {
1133 network
= bitcoin
.networks
.litecoin
;
1134 DOM
.bip44coin
.val(2);
1139 onSelect: function() {
1140 network
= bitcoin
.networks
.namecoin
;
1141 DOM
.bip44coin
.val(7);
1146 onSelect: function() {
1147 network
= bitcoin
.networks
.peercoin
;
1148 DOM
.bip44coin
.val(6);
1153 onSelect: function() {
1154 network
= bitcoin
.networks
.shadow
;
1155 DOM
.bip44coin
.val(35);
1159 name: "ShadowCash Testnet",
1160 onSelect: function() {
1161 network
= bitcoin
.networks
.shadowtn
;
1162 DOM
.bip44coin
.val(1);
1167 onSelect: function() {
1168 network
= bitcoin
.networks
.slimcoin
;
1169 DOM
.bip44coin
.val(63);
1173 name: "Slimcoin Testnet",
1174 onSelect: function() {
1175 network
= bitcoin
.networks
.slimcointn
;
1176 DOM
.bip44coin
.val(111);
1181 onSelect: function() {
1182 network
= bitcoin
.networks
.viacoin
;
1183 DOM
.bip44coin
.val(14);
1187 name: "Viacoin Testnet",
1188 onSelect: function() {
1189 network
= bitcoin
.networks
.viacointestnet
;
1190 DOM
.bip44coin
.val(1);
1197 name: "Bitcoin Core",
1198 onSelect: function() {
1199 DOM
.bip32path
.val("m/0'/0'");
1200 DOM
.hardenedAddresses
.prop('checked', true);
1204 name: "blockchain.info",
1205 onSelect: function() {
1206 DOM
.bip32path
.val("m/44'/0'/0'");
1207 DOM
.hardenedAddresses
.prop('checked', false);
1211 name: "MultiBit HD",
1212 onSelect: function() {
1213 DOM
.bip32path
.val("m/0'/0");
1214 DOM
.hardenedAddresses
.prop('checked', false);