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Translations and new card entropy in standalone

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Ian Coleman
2016-11-30 15:32:26 +11:00
parent 87ad2c6e4c
commit ea87f1d32c
1 changed files with 467 additions and 214 deletions
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bip39-standalone.html
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@@ -52,9 +52,13 @@
width: auto!important; width: auto!important;
display: inline-block; display: inline-block;
} }
.languages * { .languages a {
padding-left: 10px; padding-left: 10px;
} }
.languages a:nth-of-type(1) {
margin-left: -12px;
padding-left: 0;
}
.monospace { .monospace {
font-family: monospace; font-family: monospace;
} }
@@ -95,8 +99,11 @@
<div class="form-group"> <div class="form-group">
<div class="col-sm-2"></div> <div class="col-sm-2"></div>
<div class="col-sm-10"> <div class="col-sm-10">
<p>You can enter an existing BIP39 mnemonic, or generate a new random one. Typing your own twelve words will probably not work how you expect, since the words require a particular structure (the last word is a checksum)</p> <p data-translate>You can enter an existing BIP39 mnemonic, or generate a new random one. Typing your own twelve words will probably not work how you expect, since the words require a particular structure (the last word is a checksum).</p>
<p>For more info see the <a href="https://github.com/bitcoin/bips/blob/master/bip-0039.mediawiki" target="_blank">BIP39 spec</a></p> <p data-translate-html>
For more info see the
<a href="https://github.com/bitcoin/bips/blob/master/bip-0039.mediawiki" target="_blank">BIP39 spec</a>.
</p>
</div> </div>
</div> </div>
<div class="form-group generate-container"> <div class="form-group generate-container">
@@ -104,8 +111,8 @@
<div class="col-sm-10"> <div class="col-sm-10">
<div class="form-inline"> <div class="form-inline">
<div class="input-group-inline"> <div class="input-group-inline">
<span data-translate>Generate a random mnemonic, or enter your own below</span>:
<button class="btn generate">Generate</button> <button class="btn generate">Generate</button>
<span>a random</span>
<select id="strength" class="strength form-control"> <select id="strength" class="strength form-control">
<option value="3">3</option> <option value="3">3</option>
<option value="6">6</option> <option value="6">6</option>
@@ -116,67 +123,66 @@
<option value="21">21</option> <option value="21">21</option>
<option value="24">24</option> <option value="24">24</option>
</select> </select>
word mnemonic, or enter your own below. <span data-translate>words</span>
</div> </div>
</div> </div>
</div> </div>
</div> </div>
<div class="entropy-container hidden"> <div class="entropy-container hidden">
<div class="form-group text-danger"> <div class="form-group text-danger">
<label class="col-sm-2 control-label">Warning</label> <label class="col-sm-2 control-label" data-translate>Warning</label>
<div class="col-sm-10 form-control-static"> <div class="col-sm-10 form-control-static">
Entropy is an advanced feature. <span data-translate>Entropy is an advanced feature. Your mnemonic may be insecure if this feature is used incorrectly.</span>
Your mnemonic may be insecure if this feature is used incorrectly. <a href="#entropy-notes" data-translate>Read more</a>
<a href="#entropy-notes">Read more</a>
</div> </div>
</div> </div>
<div class="form-group"> <div class="form-group">
<label for="entropy" class="col-sm-2 control-label">Entropy</label> <label for="entropy" class="col-sm-2 control-label" data-translate>Entropy</label>
<div class="col-sm-7"> <div class="col-sm-7">
<textarea id="entropy" rows="2" class="entropy form-control" placeholder="Accepts binary, base 6, 6-sided dice, base 10, hexadecimal, cards"></textarea> <textarea id="entropy" rows="2" class="entropy form-control" placeholder="Accepts binary, base 6, 6-sided dice, base 10, hexadecimal, cards" data-translate-placeholder></textarea>
<div class="row"> <div class="row">
<label class="col-sm-3 control-label">Strength</label> <label class="col-sm-3 control-label" data-translate>Strength</label>
<div class="strength col-sm-3 form-control-static"></div> <div class="strength col-sm-3 form-control-static"></div>
<label class="col-sm-3 control-label">Event Count</label> <label class="col-sm-3 control-label" data-translate>Event Count</label>
<div class="event-count col-sm-3 form-control-static"></div> <div class="event-count col-sm-3 form-control-static"></div>
</div> </div>
<div class="row"> <div class="row">
<label class="col-sm-3 control-label">Entropy Type</label> <label class="col-sm-3 control-label" data-translate>Entropy Type</label>
<div class="type col-sm-3 form-control-static"></div> <div class="type col-sm-3 form-control-static"></div>
<label class="col-sm-3 control-label">Bits Per Event</label> <label class="col-sm-3 control-label" data-translate>Bits Per Event</label>
<div class="bits-per-event col-sm-3 form-control-static"></div> <div class="bits-per-event col-sm-3 form-control-static"></div>
</div> </div>
<div class="row"> <div class="row">
<label class="col-sm-3 control-label">Word Count</label> <label class="col-sm-3 control-label" data-translate>Word Count</label>
<div class="word-count col-sm-3 form-control-static"></div> <div class="word-count col-sm-3 form-control-static"></div>
<label class="col-sm-3 control-label">Total Bits</label> <label class="col-sm-3 control-label" data-translate>Total Bits</label>
<div class="bits col-sm-3 form-control-static"></div> <div class="bits col-sm-3 form-control-static"></div>
</div> </div>
<label class="col-sm-3 control-label">Filtered Entropy</label> <label class="col-sm-3 control-label" data-translate>Filtered Entropy</label>
<div class="filtered col-sm-9 form-control-static"></div> <div class="filtered col-sm-9 form-control-static"></div>
<label class="col-sm-3 control-label">Raw Binary</label> <label class="col-sm-3 control-label" data-translate>Raw Binary</label>
<div class="binary col-sm-9 form-control-static"></div> <div class="binary col-sm-9 form-control-static"></div>
<label class="col-sm-3 control-label">Mnemonic Length</label> <label class="col-sm-3 control-label" data-translate>Mnemonic Length</label>
<div class="col-sm-9"> <div class="col-sm-9">
<select class="mnemonic-length form-control"> <select class="mnemonic-length form-control">
<option value="raw">From entropy length (3 words per 32 bits)</option> <option value="raw" data-translate>From entropy length (3 words per 32 bits)</option>
<option value="12">12 Words</option> <option value="12">12 <span data-translate>Words</span></option>
<option value="15" selected>15 Words</option> <option value="15" selected>15 <span data-translate>Words</option>
<option value="18">18 Words</option> <option value="18">18 <span data-translate>Words</span></option>
<option value="21">21 Words</option> <option value="21">21 <span data-translate>Words</span></option>
<option value="24">24 Words</option> <option value="24">24 <span data-translate>Words</span></option>
</select> </select>
</div> </div>
</div> </div>
<div class="col-sm-3"> <div class="col-sm-3">
<p>Valid entropy values include:</p> <p data-translate>Valid entropy values include:</p>
<ul> <ul>
<li><strong>Binary</strong> [0-1]<br>101010011</li> <li><strong data-translate>Binary</strong> [0-1]<br>101010011</li>
<li><strong>Base 6</strong> [0-5]<br>123434014</li> <li><strong data-translate>Base 6</strong> [0-5]<br>123434014</li>
<li><strong>Dice</strong> [1-6]<br>62535634</li> <li><strong data-translate>Dice</strong> [1-6]<br>62535634</li>
<li><strong>Base 10</strong> [0-9]<br>90834528</li> <li><strong data-translate>Base 10</strong> [0-9]<br>90834528</li>
<li><strong>Hex</strong> [0-9A-F]<br>4187a8bfd9</li> <li><strong data-translate>Hex</strong> [0-9A-F]<br>4187a8bfd9</li>
<li><strong>Card</strong> [A2-9TJQK][CDHS]<br>ahqs9dtc</li> <li><strong data-translate>Card</strong> [A2-9TJQK][CDHS]<br>ahqs9dtc</li>
</ul> </ul>
</div> </div>
</div> </div>
@@ -186,42 +192,44 @@
<div class="col-sm-10 checkbox"> <div class="col-sm-10 checkbox">
<label> <label>
<input type="checkbox" class="use-entropy"> <input type="checkbox" class="use-entropy">
Supply my own source of entropy <span data-translate>Supply my own source of entropy</span>
</label> </label>
</div> </div>
</div> </div>
<div class="form-group"> <div class="form-group">
<label class="col-sm-2 control-label"></label> <label class="col-sm-2 control-label" data-translate>Mnemonic Language</label>
<div class="col-sm-10 languages"> <div class="col-sm-10 languages">
<a href="#english">English</a> <div class="form-control no-border">
<a href="#japanese" title="Japanese">日本語</a> <a href="#english">English</a>
<a href="#spanish" title="Spanish">Español</a> <a href="#japanese" title="Japanese">日本語</a>
<a href="#chinese_simplified" title="Chinese (Simplified)">中文(简体)</a> <a href="#spanish" title="Spanish">Español</a>
<a href="#chinese_traditional" title="Chinese (Traditional)">中文(繁體)</a> <a href="#chinese_simplified" title="Chinese (Simplified)">中文(简体)</a>
<a href="#french" title="French">Français</a> <a href="#chinese_traditional" title="Chinese (Traditional)">中文(繁體)</a>
<a href="#italian" title="Italian">Italiano</a> <a href="#french" title="French">Français</a>
<a href="#italian" title="Italian">Italiano</a>
</div>
</div> </div>
</div> </div>
<div class="form-group"> <div class="form-group">
<label for="phrase" class="col-sm-2 control-label">BIP39 Mnemonic</label> <label for="phrase" class="col-sm-2 control-label" data-translate>BIP39 Mnemonic</label>
<div class="col-sm-10"> <div class="col-sm-10">
<textarea id="phrase" class="phrase form-control"></textarea> <textarea id="phrase" class="phrase form-control"></textarea>
</div> </div>
</div> </div>
<div class="form-group"> <div class="form-group">
<label for="passphrase" class="col-sm-2 control-label">BIP39 Passphrase (optional)</label> <label for="passphrase" class="col-sm-2 control-label" data-translate>BIP39 Passphrase (optional)</label>
<div class="col-sm-10"> <div class="col-sm-10">
<textarea id="passphrase" class="passphrase form-control"></textarea> <textarea id="passphrase" class="passphrase form-control"></textarea>
</div> </div>
</div> </div>
<div class="form-group"> <div class="form-group">
<label for="seed" class="col-sm-2 control-label">BIP39 Seed</label> <label for="seed" class="col-sm-2 control-label" data-translate>BIP39 Seed</label>
<div class="col-sm-10"> <div class="col-sm-10">
<textarea id="seed" class="seed form-control" readonly="readonly"></textarea> <textarea id="seed" class="seed form-control" readonly="readonly"></textarea>
</div> </div>
</div> </div>
<div class="form-group"> <div class="form-group">
<label for="network-phrase" class="col-sm-2 control-label">Coin</label> <label for="network-phrase" class="col-sm-2 control-label" data-translate>Coin</label>
<div class="col-sm-10"> <div class="col-sm-10">
<select id="network-phrase" class="network form-control"> <select id="network-phrase" class="network form-control">
<!-- populated by javascript --> <!-- populated by javascript -->
@@ -229,7 +237,7 @@
</div> </div>
</div> </div>
<div class="form-group"> <div class="form-group">
<label for="root-key" class="col-sm-2 control-label">BIP32 Root Key</label> <label for="root-key" class="col-sm-2 control-label" data-translate>BIP32 Root Key</label>
<div class="col-sm-10"> <div class="col-sm-10">
<textarea id="root-key" class="root-key form-control"></textarea> <textarea id="root-key" class="root-key form-control"></textarea>
</div> </div>
@@ -257,11 +265,14 @@
<br> <br>
<div class="col-sm-2"></div> <div class="col-sm-2"></div>
<div class="col-sm-10"> <div class="col-sm-10">
<p>For more info see the <a href="https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki" target="_blank">BIP44 spec</a></p> <p data-translate-html>
For more info see the
<a href="https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki" target="_blank">BIP44 spec</a>.
</p>
</div> </div>
<div class="form-group"> <div class="form-group">
<label for="purpose" class="col-sm-2 control-label"> <label for="purpose" class="col-sm-2 control-label">
<a href="https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki#purpose" target="_blank">Purpose</a> <a href="https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki#purpose" target="_blank" data-translate>Purpose</a>
</label> </label>
<div class="col-sm-10"> <div class="col-sm-10">
<input id="purpose" type="text" class="purpose form-control" value="44"> <input id="purpose" type="text" class="purpose form-control" value="44">
@@ -269,7 +280,7 @@
</div> </div>
<div class="form-group"> <div class="form-group">
<label for="coin" class="col-sm-2 control-label"> <label for="coin" class="col-sm-2 control-label">
<a href="https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki#registered-coin-types" target="_blank">Coin</a> <a href="https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki#registered-coin-types" target="_blank" data-translate>Coin</a>
</label> </label>
<div class="col-sm-10"> <div class="col-sm-10">
<input id="coin" type="text" class="coin form-control" value="0"> <input id="coin" type="text" class="coin form-control" value="0">
@@ -277,7 +288,7 @@
</div> </div>
<div class="form-group"> <div class="form-group">
<label for="account" class="col-sm-2 control-label"> <label for="account" class="col-sm-2 control-label">
<a href="https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki#account" target="_blank">Account</a> <a href="https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki#account" target="_blank" data-translate>Account</a>
</label> </label>
<div class="col-sm-10"> <div class="col-sm-10">
<input id="account" type="text" class="account form-control" value="0"> <input id="account" type="text" class="account form-control" value="0">
@@ -285,14 +296,14 @@
</div> </div>
<div class="form-group"> <div class="form-group">
<label for="change" class="col-sm-2 control-label"> <label for="change" class="col-sm-2 control-label">
<a href="https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki#change" target="_blank">External / Internal</a> <a href="https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki#change" target="_blank" data-translate>External / Internal</a>
</label> </label>
<div class="col-sm-10"> <div class="col-sm-10">
<input id="change" type="text" class="change form-control" value="0"> <input id="change" type="text" class="change form-control" value="0">
</div> </div>
</div> </div>
<div class="form-group"> <div class="form-group">
<label for="bip44-path" class="col-sm-2 control-label">BIP32 Derivation Path</label> <label for="bip44-path" class="col-sm-2 control-label" data-translate>BIP32 Derivation Path</label>
<div class="col-sm-10"> <div class="col-sm-10">
<input id="bip44-path" type="text" class="path form-control" value="m/44'/0'/0'/0" readonly="readonly"> <input id="bip44-path" type="text" class="path form-control" value="m/44'/0'/0'/0" readonly="readonly">
</div> </div>
@@ -304,10 +315,13 @@
<br> <br>
<div class="col-sm-2"></div> <div class="col-sm-2"></div>
<div class="col-sm-10"> <div class="col-sm-10">
<p>For more info see the <a href="https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki" target="_blank">BIP32 spec</a></p> <p data-translate>
For more info see the
<a href="https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki" target="_blank">BIP32 spec</a>
</p>
</div> </div>
<div class="form-group"> <div class="form-group">
<label for="bip32-path" class="col-sm-2 control-label">BIP32 Derivation Path</label> <label for="bip32-path" class="col-sm-2 control-label" data-translate>BIP32 Derivation Path</label>
<div class="col-sm-10"> <div class="col-sm-10">
<input id="bip32-path" type="text" class="path form-control" value="m/0"> <input id="bip32-path" type="text" class="path form-control" value="m/0">
</div> </div>
@@ -316,49 +330,52 @@
<div class="col-sm-2"></div> <div class="col-sm-2"></div>
<label class="col-sm-10"> <label class="col-sm-10">
<input class="hardened-addresses" type="checkbox"> <input class="hardened-addresses" type="checkbox">
Use hardened addresses <span data-translate>Use hardened addresses</span>
</label> </label>
</div> </div>
<div class="form-group"> <div class="form-group">
<label for="mycelium-path" class="col-sm-2 control-label">Mycelium Wallet</label> <label for="mycelium-path" class="col-sm-2 control-label" data-translate>Mycelium Wallet</label>
<div class="col-sm-10"> <div class="col-sm-10">
<p class="form-control no-border"> <p class="form-control no-border" data-translate-html>
<code>m/44'/0'/0'</code> generates extended keys for import / export. <code>m/44'/0'/0'</code> generates extended keys for import / export
</p> </p>
<p class="form-control no-border"> <p class="form-control no-border" data-translate-html>
<code>m/44'/0'/1'</code> to generate the next account. Continue incrementing for more accounts (most use a single account). <code>m/44'/0'/1'</code> for the next account. Continue incrementing for more accounts (most use a single account).
</p> </p>
<p class="form-control no-border"> <p class="form-control no-border" data-translate-html>
<code>m/44'/0'/0'/0</code> to generate public addresses. <code>m/44'/0'/0'/0</code> generates public addresses
</p> </p>
<p class="form-control no-border"> <p class="form-control no-border" data-translate-html>
<code>m/44'/0'/0'/1</code> to generate change addresses. <code>m/44'/0'/0'/1</code> generates change addresses
</p> </p>
<p class="form-control no-border"> <p class="form-control no-border" data-translate-html>
For more info see the <a href="http://www.mycelium.com/" target="_blank">Mycelium Wallet homepage</a> For more info see the
<a href="http://www.mycelium.com/" target="_blank">Mycelium Wallet homepage</a>
</p> </p>
</div> </div>
</div> </div>
<div class="form-group"> <div class="form-group">
<label for="core-path" class="col-sm-2 control-label">Bitcoin Core</label> <label for="core-path" class="col-sm-2 control-label" data-translate>Bitcoin Core</label>
<div class="col-sm-10"> <div class="col-sm-10">
<p class="form-control no-border"> <p class="form-control no-border" data-translate-html>
Use path <code>m/0'/0'</code> with hardened addresses. Use path <code>m/0'/0'</code> with hardened addresses.
</p> </p>
<p class="form-control no-border"> <p class="form-control no-border" data-translate-html>
For more info see the <a href="https://github.com/bitcoin/bitcoin/pull/8035" target="_blank">Bitcoin Core BIP32 implementation</a> For more info see the
<a href="https://github.com/bitcoin/bitcoin/pull/8035" target="_blank">Bitcoin Core BIP32 implementation</a>
</p> </p>
</div> </div>
</div> </div>
<div class="form-group"> <div class="form-group">
<label class="col-sm-2 control-label">Block Explorers</label> <label class="col-sm-2 control-label" data-translate>Block Explorers</label>
<div class="col-sm-10"> <div class="col-sm-10">
<p class="form-control no-border"> <p class="form-control no-border">
Use path <code>m/44'/0'/0'</code>. <span data-translate-html>Use path <code>m/44'/0'/0'</code>.</span>
Only enter the <code>xpub</code> extended key into block explorer search fields, never the <code>xprv</code> key. <span data-translate-html>Only enter the <code>xpub</code> extended key into block explorer search fields, never the <code>xprv</code> key.</span>
</p> </p>
<p class="form-control no-border"> <p class="form-control no-border">
Supported by <a href="https://blockchain.info/" target="_blank">blockchain.info</a>. <span data-translate>Can be used with</span>:
<a href="https://blockchain.info/" target="_blank">blockchain.info</a>
</p> </p>
</div> </div>
</div> </div>
@@ -367,13 +384,13 @@
</div> </div>
<form class="form-horizontal" role="form"> <form class="form-horizontal" role="form">
<div class="form-group"> <div class="form-group">
<label for="extended-priv-key" class="col-sm-2 control-label">BIP32 Extended Key</label> <label for="extended-priv-key" class="col-sm-2 control-label" data-translate>BIP32 Extended Key</label>
<div class="col-sm-10"> <div class="col-sm-10">
<textarea id="extended-priv-key" class="extended-priv-key form-control" readonly="readonly"></textarea> <textarea id="extended-priv-key" class="extended-priv-key form-control" readonly="readonly"></textarea>
</div> </div>
</div> </div>
<div class="form-group"> <div class="form-group">
<label for="extended-pub-key" class="col-sm-2 control-label">BIP32 Extended Key (addresses only)</label> <label for="extended-pub-key" class="col-sm-2 control-label" data-translate>BIP32 Extended Key (addresses only)</label>
<div class="col-sm-10"> <div class="col-sm-10">
<textarea id="extended-pub-key" class="extended-pub-key form-control" readonly="readonly"></textarea> <textarea id="extended-pub-key" class="extended-pub-key form-control" readonly="readonly"></textarea>
</div> </div>
@@ -387,31 +404,31 @@
<div class="row"> <div class="row">
<div class="col-md-12"> <div class="col-md-12">
<h2>Derived Addresses</h2> <h2>Derived Addresses</h2>
<p>Note these addreses are derived from the <strong>BIP32 Extended Key</strong></p> <p data-translate>Note these addreses are derived from the BIP32 Extended Key</p>
<table class="table table-striped"> <table class="table table-striped">
<thead> <thead>
<th> <th>
<div class="input-group"> <div class="input-group">
Path&nbsp;&nbsp; <span data-translate>Path</span>&nbsp;&nbsp;
<button class="index-toggle">Toggle</button> <button class="index-toggle" data-translate>Toggle</button>
</div> </div>
</th> </th>
<th> <th>
<div class="input-group"> <div class="input-group">
Address&nbsp;&nbsp; <span data-translate>Address</span>&nbsp;&nbsp;
<button class="address-toggle">Toggle</button> <button class="address-toggle" data-translate>Toggle</button>
</div> </div>
</th> </th>
<th> <th>
<div class="input-group"> <div class="input-group">
Public Key&nbsp;&nbsp; <span data-translate>Public Key</span>&nbsp;&nbsp;
<button class="public-key-toggle">Toggle</button> <button class="public-key-toggle" data-translate>Toggle</button>
</div> </div>
</th> </th>
<th> <th>
<div class="input-group"> <div class="input-group">
Private Key&nbsp;&nbsp; <span data-translate>Private Key</span>&nbsp;&nbsp;
<button class="private-key-toggle">Toggle</button> <button class="private-key-toggle" data-translate>Toggle</button>
</div> </div>
</th> </th>
</thead> </thead>
@@ -425,56 +442,66 @@
</table> </table>
</div> </div>
</div> </div>
<span>Show next </button> <span data-translate>Show more rows</span>:
<input type="number" class="rows-to-add" value="20"> <input type="number" class="rows-to-add" value="20">
<button class="more">Show</button> <button class="more" data-translate>Show</button>
<hr> <hr>
<div class="row"> <div class="row">
<div class="col-md-12"> <div class="col-md-12">
<h2>More info</h2> <h2 data-translate>More info</h2>
<h3>BIP39 <span class="small">Mnemonic code for generating deterministic keys</span></h3> <h3>BIP39 <span class="small" data-translate>Mnemonic code for generating deterministic keys</span></h3>
<p> <p data-translate-html>
Read more at the Read more at the
<a href="https://github.com/bitcoin/bips/blob/master/bip-0039.mediawiki">official BIP39 spec</a> <a href="https://github.com/bitcoin/bips/blob/master/bip-0039.mediawiki">official BIP39 spec</a>
</p> </p>
<h3>BIP32 <span class="small">Hierarchical Deterministic Wallets</span></h3> <h3>BIP32 <span class="small" data-translate>Hierarchical Deterministic Wallets</span></h3>
<p> <p data-translate-html>
Read more at the Read more at the
<a href="https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki" target="_blank">official BIP32 spec</a> <a href="https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki" target="_blank">official BIP32 spec</a>
and see the demo at </p>
<p data-translate-html>
See the demo at
<a href="http://bip32.org/" target="_blank">bip32.org</a> <a href="http://bip32.org/" target="_blank">bip32.org</a>
</p> </p>
<h3>BIP44 <span class="small">Multi-Account Hierarchy for Deterministic Wallets</span></h3> <h3>BIP44 <span class="small" data-translate>Multi-Account Hierarchy for Deterministic Wallets</span></h3>
<p> <p data-translate-html>
Read more at the Read more at the
<a href="https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki" target="_blank">official BIP44 spec</a> <a href="https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki" target="_blank">official BIP44 spec</a>
</p> </p>
<h3>Private Keys</h3> <h3 data-translate>Private Keys</h3>
<p> <p>
Use private keys at <span data-translate-html>
<a href="https://web.archive.org/web/20150707020924/https://brainwallet.org/" target="_blank">brainwallet.org</a>, Use private keys at
but be careful - it can be easy to make mistakes if you <a href="https://web.archive.org/web/20150707020924/https://brainwallet.org/" target="_blank">brainwallet.org</a>.
don't know what you're doing </span>
<span data-translate>Be careful - it can be easy to make mistakes if you don't know what you're doing.</span>
</p> </p>
<h3 id="entropy-notes">Entropy</h3> <h3 id="entropy-notes" data-translate>Entropy</h3>
<p> <p>
Entropy values must be sourced from a <span data-translate-html>
<a href="https://en.wikipedia.org/wiki/Random_number_generation" target="_blank">strong source of randomness</a>. Entropy values must be sourced from a
This means flipping a fair coin, rolling a fair dice, noise measurements etc. Do <strong>NOT</strong> use <a href="https://en.wikipedia.org/wiki/Random_number_generation" target="_blank">strong source of randomness</a>.
phrases from books, lyrics from songs, your birthday or steet address, keyboard mashing, or anything you <i>think</i> </span>
is random, because chances are <em>overwhelming</em> that it isn't random enough for the needs of this tool. <span data-translate>This means flipping a fair coin, rolling a fair dice, noise measurements etc.</span>
<span data-translate-html>
Do <strong>NOT</strong> use phrases from books, lyrics from songs, your birthday or steet address,
keyboard mashing, or anything you <i>think</i> is random, because chances are overwhelming it isn't
random enough for the needs of this tool.
</span>
</p> </p>
<p> <p>
The random mnemonic generator on this page uses a <span data-translate-html>
<a href="https://developer.mozilla.org/en-US/docs/Web/API/RandomSource/getRandomValues" target="_blank">cryptographically secure random number generator</a>, The random mnemonic generator on this page uses a
and can generally be trusted more than your own intuition about randomness. <a href="https://developer.mozilla.org/en-US/docs/Web/API/RandomSource/getRandomValues" target="_blank">cryptographically secure random number generator</a>.
If cryptographic randomness isn't available in your browser, this page will show a warning and <i>will not generate </span>
random mnemonics</i>. <span data-translate>The built in random generator can generally be trusted more than your own intuition about randomness.</span>
<span data-translate>If cryptographic randomness isn't available in your browser, this page will show a warning and the generate button will not work.</span>
<span data-translate>In that case you might choose to use your own source of entropy.</span>
</p> </p>
<p> <p>
<a href="https://bitcointalk.org/index.php?topic=311000.msg3345309#msg3345309" target="_blank">You are not a good source of entropy.</a> <a href="https://bitcointalk.org/index.php?topic=311000.msg3345309#msg3345309" target="_blank" data-translate>You are not a good source of entropy.</a>
</p> </p>
</div> </div>
</div> </div>
@@ -484,24 +511,24 @@
<div class="row"> <div class="row">
<div class="col-md-12"> <div class="col-md-12">
<h2>Offline Usage</h2> <h2 data-translate>Offline Usage</h2>
<p> <p data-translate>
You can use this tool without having to be online. You can use this tool without having to be online.
</p> </p>
<p> <p data-translate>
In your browser, select file save-as, and save this page In your browser, select file save-as, and save this page
as a file. as a file.
</p> </p>
<p> <p data-translate>
Double-click that file to open it in a browser Double-click that file to open it in a browser
on any offline computer. on any offline computer.
</p> </p>
<p> <p>
Alternatively, download it from <span data-translate>Alternatively, download the file from the repository</span>
<a href="https://github.com/iancoleman/bip39"> -
https://github.com/iancoleman/bip39 <a href="https://github.com/iancoleman/bip39">https://github.com/iancoleman/bip39</a>
</a> </p>
</div> </div>
</div> </div>
@@ -511,16 +538,17 @@
<div class="row"> <div class="row">
<div class="col-md-12"> <div class="col-md-12">
<h2>This project is 100% open-source code</h2> <h2 data-translate>This project is 100% open-source code</h2>
<p> <p>
<span>Get the source code at - </span> <span data-translate>Get the source code from the repository</span>
-
<a href="https://github.com/iancoleman/bip39" target="_blank"> <a href="https://github.com/iancoleman/bip39" target="_blank">
https://github.com/iancoleman/bip39 https://github.com/iancoleman/bip39
</a> </a>
</p> </p>
<h3>Libraries</h3> <h3 data-translate>Libraries</h3>
<p> <p>
<span>BitcoinJS - </span> <span>BitcoinJS - </span>
@@ -14607,6 +14635,242 @@ sjcl.hash.sha256.prototype = {
h[7] = h[7]+h7 | 0; h[7] = h[7]+h7 | 0;
} }
}; };
</script>
<script>// An extremely basic translation library
//
// Example usage:
//
// Set some html to be translated. Do this using the 'data-translate' attribute:
//
// <div data-translate>Test</div>
// <div data-translate-html><em>keep em tag</em></div>
// <input data-translate-placeholder placeholder="Example text">
//
// Obtain all the phrases to be translated via js debug console:
//
// Translate.phrasesAsJson();
//
// Use that template to translate the phrases into another language.
// Leave the key the same. Change the value to the new language.
//
// Create a js file to load the new phrases. In this example for Spanish,
// es.js will contain the following code:
//
// Translate.loadForeignPhrases("es", {
// "Test": "Test in Spanish",
// "<em>keep em tag</em>": "<em>keep em tag in Spanish</em>",
// "Example text": "Example text in Spanish"
// });
//
// In your UI put a listener for clicking on the Spanish button:
//
// mySpanishButton.addEventListener("click", function() {
// Translate.setLanguage("es");
// });
// myEnglishButton.addEventListener("click", function() {
// Translate.setLanguage("en");
// });
Translate = new (function() {
var defaultLanguage = "en";
var allPhrases = {};
allPhrases[defaultLanguage] = {};
// Node types
var text = {
selector: "[data-translate]",
getKey: function() {
return this.textContent.trim().replace(/\s+/g, " ");
},
setPhrase: function(p) {
this.textContent = p;
},
}
var html = {
selector: "[data-translate-html]",
getKey: function() {
return this.innerHTML.trim().replace(/\s+/g, " ");
},
setPhrase: function(p) {
this.innerHTML = p;
},
}
var placeholder = {
selector: "[data-translate-placeholder]",
getKey: function() {
return this.getAttribute("placeholder").trim().replace(/\s+/g, " ");
},
setPhrase: function(p) {
this.setAttribute("placeholder", p);
},
}
// Get elements to be translated
var allEls = getEls(text)
.concat(getEls(html))
.concat(getEls(placeholder));
// Provides access to phrases from a non-default language.
// See phrases_en.js for example usage.
this.loadForeignPhrases = function(language, phrases) {
allPhrases[language] = phrases;
}
// Displays a different language, eg "en" or "fr"
this.setLanguage = function(language) {
for (var i=0; i<allEls.length; i++) {
var el = allEls[i];
var key = el.key;
if (!(language in allPhrases)) {
console.log(language + " not in allPhrases");
return;
}
if (!(key in allPhrases[language])) {
console.log(language + " does not contain phrase: " + key);
return;
}
var phrase = allPhrases[language][key];
el.setPhrase(phrase);
}
}
// Converts the phrases to a key-pair json file.
// This is a good way to export phrases for use in translation tools.
this.phrasesAsJson = function(language) {
var keys = [];
for (var i=0; i<allEls.length; i++) {
var el = allEls[i];
var key = el.key;
keys.push(key);
}
keys.sort();
var output = {};
for (var i=0; i<keys.length; i++) {
var key = keys[i];
var translated = "";
if (language in allPhrases && key in allPhrases[language]) {
translated = allPhrases[language][key];
}
output[key] = translated;
}
return JSON.stringify(output, null, 2);
}
function getEls(nodeType) {
var nodes = document.querySelectorAll(nodeType.selector);
var els = [];
for (var i=0; i<nodes.length; i++) {
var node = nodes[i];
node.getKey = nodeType.getKey;
node.setPhrase = nodeType.setPhrase;
node.key = node.getKey();
allPhrases[defaultLanguage][node.key] = node.key;
els.push(node);
}
return els;
}
})();
</script>
<script>Translate.loadForeignPhrases("en",
{
"<code>m/44'/0'/0'/0</code> generates public addresses": "<code>m/44'/0'/0'/0</code> generates public addresses",
"<code>m/44'/0'/0'/1</code> generates change addresses": "<code>m/44'/0'/0'/1</code> generates change addresses",
"<code>m/44'/0'/0'</code> generates extended keys for import / export": "<code>m/44'/0'/0'</code> generates extended keys for import / export",
"<code>m/44'/0'/1'</code> for the next account. Continue incrementing for more accounts (most use a single account).": "<code>m/44'/0'/1'</code> for the next account. Continue incrementing for more accounts (most use a single account).",
"Accepts binary, base 6, 6-sided dice, base 10, hexadecimal, cards": "Accepts binary, base 6, 6-sided dice, base 10, hexadecimal, cards",
"Account": "Account",
"Address": "Address",
"Alternatively, download the file from the repository": "Alternatively, download the file from the repository",
"BIP32 Derivation Path": "BIP32 Derivation Path",
"BIP32 Extended Key": "BIP32 Extended Key",
"BIP32 Extended Key (addresses only)": "BIP32 Extended Key (addresses only)",
"BIP32 Root Key": "BIP32 Root Key",
"BIP39 Mnemonic": "BIP39 Mnemonic",
"BIP39 Passphrase (optional)": "BIP39 Passphrase (optional)",
"BIP39 Seed": "BIP39 Seed",
"Base 10": "Base 10",
"Base 6": "Base 6",
"Be careful - it can be easy to make mistakes if you don't know what you're doing.": "Be careful - it can be easy to make mistakes if you don't know what you're doing.",
"Binary": "Binary",
"Bitcoin Core": "Bitcoin Core",
"Bits Per Event": "Bits Per Event",
"Block Explorers": "Block Explorers",
"Can be used with": "Can be used with",
"Card": "Card",
"Coin": "Coin",
"Dice": "Dice",
"Do <strong>NOT</strong> use phrases from books, lyrics from songs, your birthday or steet address, keyboard mashing, or anything you <i>think</i> is random, because chances are overwhelming it isn't random enough for the needs of this tool.": "Do <strong>NOT</strong> use phrases from books, lyrics from songs, your birthday or steet address, keyboard mashing, or anything you <i>think</i> is random, because chances are overwhelming it isn't random enough for the needs of this tool.",
"Double-click that file to open it in a browser on any offline computer.": "Double-click that file to open it in a browser on any offline computer.",
"Entropy": "Entropy",
"Entropy Type": "Entropy Type",
"Entropy is an advanced feature. Your mnemonic may be insecure if this feature is used incorrectly.": "Entropy is an advanced feature. Your mnemonic may be insecure if this feature is used incorrectly.",
"Entropy values must be sourced from a <a href=\"https://en.wikipedia.org/wiki/Random_number_generation\" target=\"_blank\">strong source of randomness</a>.": "Entropy values must be sourced from a <a href=\"https://en.wikipedia.org/wiki/Random_number_generation\" target=\"_blank\">strong source of randomness</a>.",
"Event Count": "Event Count",
"External / Internal": "External / Internal",
"Filtered Entropy": "Filtered Entropy",
"For more info see the <a href=\"http://www.mycelium.com/\" target=\"_blank\">Mycelium Wallet homepage</a>": "For more info see the <a href=\"http://www.mycelium.com/\" target=\"_blank\">Mycelium Wallet homepage</a>",
"For more info see the <a href=\"https://github.com/bitcoin/bips/blob/master/bip-0039.mediawiki\" target=\"_blank\">BIP39 spec</a>.": "For more info see the <a href=\"https://github.com/bitcoin/bips/blob/master/bip-0039.mediawiki\" target=\"_blank\">BIP39 spec</a>.",
"For more info see the <a href=\"https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki\" target=\"_blank\">BIP44 spec</a>.": "For more info see the <a href=\"https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki\" target=\"_blank\">BIP44 spec</a>.",
"For more info see the <a href=\"https://github.com/bitcoin/bitcoin/pull/8035\" target=\"_blank\">Bitcoin Core BIP32 implementation</a>": "For more info see the <a href=\"https://github.com/bitcoin/bitcoin/pull/8035\" target=\"_blank\">Bitcoin Core BIP32 implementation</a>",
"For more info see the BIP32 spec": "For more info see the BIP32 spec",
"From entropy length (3 words per 32 bits)": "From entropy length (3 words per 32 bits)",
"Generate a random mnemonic, or enter your own below": "Generate a random mnemonic, or enter your own below",
"Get the source code from the repository": "Get the source code from the repository",
"Hex": "Hex",
"Hierarchical Deterministic Wallets": "Hierarchical Deterministic Wallets",
"If cryptographic randomness isn't available in your browser, this page will show a warning and the generate button will not work.": "If cryptographic randomness isn't available in your browser, this page will show a warning and the generate button will not work.",
"In that case you might choose to use your own source of entropy.": "In that case you might choose to use your own source of entropy.",
"In your browser, select file save-as, and save this page as a file.": "In your browser, select file save-as, and save this page as a file.",
"Libraries": "Libraries",
"Mnemonic Language": "Mnemonic Language",
"Mnemonic Length": "Mnemonic Length",
"Mnemonic code for generating deterministic keys": "Mnemonic code for generating deterministic keys",
"More info": "More info",
"Multi-Account Hierarchy for Deterministic Wallets": "Multi-Account Hierarchy for Deterministic Wallets",
"Mycelium Wallet": "Mycelium Wallet",
"Note these addreses are derived from the BIP32 Extended Key": "Note these addreses are derived from the BIP32 Extended Key",
"Offline Usage": "Offline Usage",
"Only enter the <code>xpub</code> extended key into block explorer search fields, never the <code>xprv</code> key.": "Only enter the <code>xpub</code> extended key into block explorer search fields, never the <code>xprv</code> key.",
"Path": "Path",
"Private Key": "Private Key",
"Private Keys": "Private Keys",
"Public Key": "Public Key",
"Purpose": "Purpose",
"Raw Binary": "Raw Binary",
"Read more": "Read more",
"Read more at the <a href=\"https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki\" target=\"_blank\">official BIP32 spec</a>": "Read more at the <a href=\"https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki\" target=\"_blank\">official BIP32 spec</a>",
"Read more at the <a href=\"https://github.com/bitcoin/bips/blob/master/bip-0039.mediawiki\">official BIP39 spec</a>": "Read more at the <a href=\"https://github.com/bitcoin/bips/blob/master/bip-0039.mediawiki\">official BIP39 spec</a>",
"Read more at the <a href=\"https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki\" target=\"_blank\">official BIP44 spec</a>": "Read more at the <a href=\"https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki\" target=\"_blank\">official BIP44 spec</a>",
"See the demo at <a href=\"http://bip32.org/\" target=\"_blank\">bip32.org</a>": "See the demo at <a href=\"http://bip32.org/\" target=\"_blank\">bip32.org</a>",
"Show": "Show",
"Show more rows": "Show more rows",
"Strength": "Strength",
"Supply my own source of entropy": "Supply my own source of entropy",
"The built in random generator can generally be trusted more than your own intuition about randomness.": "The built in random generator can generally be trusted more than your own intuition about randomness.",
"The random mnemonic generator on this page uses a <a href=\"https://developer.mozilla.org/en-US/docs/Web/API/RandomSource/getRandomValues\" target=\"_blank\">cryptographically secure random number generator</a>.": "The random mnemonic generator on this page uses a <a href=\"https://developer.mozilla.org/en-US/docs/Web/API/RandomSource/getRandomValues\" target=\"_blank\">cryptographically secure random number generator</a>.",
"This means flipping a fair coin, rolling a fair dice, noise measurements etc.": "This means flipping a fair coin, rolling a fair dice, noise measurements etc.",
"This project is 100% open-source code": "This project is 100% open-source code",
"Toggle": "Toggle",
"Total Bits": "Total Bits",
"Use hardened addresses": "Use hardened addresses",
"Use path <code>m/0'/0'</code> with hardened addresses.": "Use path <code>m/0'/0'</code> with hardened addresses.",
"Use path <code>m/44'/0'/0'</code>.": "Use path <code>m/44'/0'/0'</code>.",
"Use private keys at <a href=\"https://web.archive.org/web/20150707020924/https://brainwallet.org/\" target=\"_blank\">brainwallet.org</a>.": "Use private keys at <a href=\"https://web.archive.org/web/20150707020924/https://brainwallet.org/\" target=\"_blank\">brainwallet.org</a>.",
"Valid entropy values include:": "Valid entropy values include:",
"Warning": "Warning",
"Word Count": "Word Count",
"You are not a good source of entropy.": "You are not a good source of entropy.",
"You can enter an existing BIP39 mnemonic, or generate a new random one. Typing your own twelve words will probably not work how you expect, since the words require a particular structure (the last word is a checksum).": "You can enter an existing BIP39 mnemonic, or generate a new random one. Typing your own twelve words will probably not work how you expect, since the words require a particular structure (the last word is a checksum).",
"You can use this tool without having to be online.": "You can use this tool without having to be online.",
"words": "words"
}
);
</script> </script>
<script>WORDLISTS = typeof WORDLISTS == "undefined" ? {} : WORDLISTS; <script>WORDLISTS = typeof WORDLISTS == "undefined" ? {} : WORDLISTS;
WORDLISTS["english"] = [ WORDLISTS["english"] = [
@@ -18060,97 +18324,9 @@ window.Entropy = new (function() {
while (entropyBin.length < expectedBits) { while (entropyBin.length < expectedBits) {
entropyBin = "0" + entropyBin; entropyBin = "0" + entropyBin;
} }
// Assume cards are NOT replaced. // Cards binary must be handled differently, since they're not replaced
// Additional entropy decreases as more cards are used. This means
// total possible entropy is measured using n!, not base^n.
// eg the second last card can be only one of two, not one of fifty two
// so the added entropy for that card is only one bit at most
if (base.asInt == 52) { if (base.asInt == 52) {
var totalDecks = Math.ceil(base.parts.length / 52); entropyBin = getCardBinary(base.parts);
var totalCards = totalDecks * 52;
var totalCombos = factorial(52).pow(totalDecks);
var totalRemainingCards = totalCards - base.parts.length;
var remainingDecks = Math.floor(totalRemainingCards / 52);
var remainingCards = totalRemainingCards % 52;
var remainingCombos = factorial(52).pow(remainingDecks).multiply(factorial(remainingCards));
var currentCombos = totalCombos.divide(remainingCombos);
var numberOfBits = Math.log2(currentCombos);
var maxWithoutReplace = BigInteger.pow(2, numberOfBits);
// Use a bunch of sorted decks to measure entropy from, populated
// as needed.
var sortedDecks = [];
// Initialize the final entropy value for these cards
var entropyInt = BigInteger.ZERO;
// Track how many instances of each card have been used, and thus
// how many decks are in use.
var cardCounts = {};
// Track the total bits of entropy that remain, which diminishes as
// each card is drawn.
var totalBitsLeft = numberOfBits;
// Work out entropy contribution of each card drawn
for (var i=0; i<base.parts.length; i++) {
// Get the card that was drawn
var cardLower = base.parts[i];
var card = cardLower.toUpperCase();
// Initialize the deck for this card if needed, to track how
// much entropy it adds.
if (!(card in cardCounts)) {
cardCounts[card] = 0;
}
// Get the deck this card is from
var deckIndex = cardCounts[card];
while (deckIndex > sortedDecks.length-1) {
sortedDecks.push(getSortedDeck());
}
// See how many bits this card contributes (depends on how many
// are left in the deck it's from)
var deckForCard = sortedDecks[deckIndex];
var cardsLeftInDeck = deckForCard.length;
var additionalBits = Math.log2(cardsLeftInDeck);
// Work out the min and max value for this card
var nextTotalBitsLeft = totalBitsLeft - additionalBits;
var minPossibleNewEntropy = TWO.pow(nextTotalBitsLeft).subtract(1);
var maxPossibleNewEntropy = TWO.pow(totalBitsLeft).subtract(1);
var diff = maxPossibleNewEntropy.subtract(minPossibleNewEntropy);
// BigInteger aggresively floors numbers which greatly affects
// the small numbers. In that case, use native Math library
var useBigInt = totalBitsLeft >= 32;
if (!useBigInt) {
minPossibleNewEntropy = Math.round(Math.pow(2, nextTotalBitsLeft)-1);
maxPossibleNewEntropy = Math.round(Math.pow(2, totalBitsLeft)-1);
diff = maxPossibleNewEntropy - minPossibleNewEntropy;
}
// Scale the value between possible min and max depending on
// this card value
var thisCardIndex = deckForCard.indexOf(card);
var toAdd = BigInteger.ZERO;
if (cardsLeftInDeck > 1) {
if (useBigInt) {
toAdd = diff.multiply(thisCardIndex)
.divide(deckForCard.length - 1)
.add(minPossibleNewEntropy);
}
else {
var ratio = thisCardIndex / (deckForCard.length -1);
var f = diff * ratio;
toAdd = new BigInteger(f).add(minPossibleNewEntropy);
}
}
// Add this card entropy to existing entropy
entropyInt = entropyInt.add(toAdd);
// Remove this card from the deck it comes from
deckForCard.splice(thisCardIndex,1);
// Ensure the next insance of this card uses the next deck
cardCounts[card] = cardCounts[card] + 1;
// Next card drawn has less total remaining bits to work with
totalBitsLeft = nextTotalBitsLeft;
}
// Convert to binary
var entropyBin = entropyInt.toString(2);
var numberOfBitsInt = Math.floor(numberOfBits);
while (entropyBin.length < numberOfBitsInt) {
entropyBin = "0" + entropyBin;
}
} }
// Supply a 'filtered' entropy string for display purposes // Supply a 'filtered' entropy string for display purposes
var entropyClean = base.parts.join(""); var entropyClean = base.parts.join("");
@@ -18259,6 +18435,83 @@ window.Entropy = new (function() {
} }
} }
// Assume cards are NOT replaced.
// Additional entropy decreases as more cards are used. This means
// total possible entropy is measured using n!, not base^n.
// eg the second last card can be only one of two, not one of fifty two
// so the added entropy for that card is only one bit at most
function getCardBinary(cards) {
// Track how many instances of each card have been used, and thus
// how many decks are in use.
var cardCounts = {};
var numberOfDecks = 0;
// Work out number of decks by max(duplicates)
for (var i=0; i<cards.length; i++) {
// Get the card that was drawn
var cardLower = cards[i];
var card = cardLower.toUpperCase();
// Initialize the count for this card if needed
if (!(card in cardCounts)) {
cardCounts[card] = 0;
}
cardCounts[card] += 1;
// See if this is max(duplicates)
if (cardCounts[card] > numberOfDecks) {
numberOfDecks = cardCounts[card];
}
}
// Work out the total number of bits for this many decks
// See http://crypto.stackexchange.com/q/41886
var gainedBits = Math.log2(factorial(52 * numberOfDecks));
var lostBits = 52 * Math.log2(factorial(numberOfDecks));
var maxBits = gainedBits - lostBits;
// Convert the drawn cards to a binary representation.
// The exact technique for doing this is unclear.
// See
// http://crypto.stackexchange.com/a/41896
// "I even doubt that this is well defined (only the average entropy
// is, I believe)."
// See
// https://github.com/iancoleman/bip39/issues/33#issuecomment-263021856
// "The binary representation can be the first log(permutations,2) bits
// of the sha-2 hash of the normalized deck string."
//
// In this specific implementation, the first N bits of the hash of the
// normalized cards string is being used. Uppercase, no spaces; eg
// sha256("AH8DQSTC2H")
var totalCards = numberOfDecks * 52;
var percentUsed = cards.length / totalCards;
// Calculate the average number of bits of entropy for the number of
// cards drawn.
var numberOfBits = Math.floor(maxBits * percentUsed);
// Create a normalized string of the selected cards
var normalizedCards = cards.join("").toUpperCase();
// Convert to binary using the SHA256 hash of the normalized cards.
// If the number of bits is more than 256, multiple rounds of hashing
// are used until the required number of bits is reached.
var entropyBin = "";
var iterations = 0;
while (entropyBin.length < numberOfBits) {
var hashedCards = sjcl.hash.sha256.hash(normalizedCards);
for (var j=0; j<iterations; j++) {
hashedCards = sjcl.hash.sha256.hash(hashedCards);
}
var hashHex = sjcl.codec.hex.fromBits(hashedCards);
for (var i=0; i<hashHex.length; i++) {
var decimal = parseInt(hashHex[i], 16);
var binary = decimal.toString(2);
while (binary.length < 4) {
binary = "0" + binary;
}
entropyBin = entropyBin + binary;
}
iterations = iterations + 1;
}
// Truncate to the appropriate number of bits.
entropyBin = entropyBin.substring(0, numberOfBits);
return entropyBin;
}
// Polyfill for Math.log2 // Polyfill for Math.log2
// See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/log2#Polyfill // See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/log2#Polyfill
Math.log2 = Math.log2 || function(x) { Math.log2 = Math.log2 || function(x) {