]> git.immae.eu Git - perso/Immae/Projets/Cryptomonnaies/BIP39.git/commitdiff
Translations and new card entropy in standalone
authorIan Coleman <coleman.ian@gmail.com>
Wed, 30 Nov 2016 04:32:26 +0000 (15:32 +1100)
committerIan Coleman <coleman.ian@gmail.com>
Wed, 30 Nov 2016 04:32:26 +0000 (15:32 +1100)
bip39-standalone.html

index a373d6aa2cdd3bebc51dc636685286e0209467fd..e8aaaa6583b45c04b1a22d43230138c800c1d039 100644 (file)
                 width: auto!important;
                 display: inline-block;
             }
-            .languages * {
+            .languages a {
                 padding-left: 10px;
             }
+            .languages a:nth-of-type(1) {
+                margin-left: -12px;
+                padding-left: 0;
+            }
             .monospace {
                 font-family: monospace;
             }
                         <div class="form-group">
                             <div class="col-sm-2"></div>
                             <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>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>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-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 class="form-group generate-container">
                             <div class="col-sm-10">
                                 <div class="form-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>
-                                        <span>a random</span>
                                         <select id="strength" class="strength form-control">
                                             <option value="3">3</option>
                                             <option value="6">6</option>
                                             <option value="21">21</option>
                                             <option value="24">24</option>
                                         </select>
-                                        word mnemonic, or enter your own below.
+                                        <span data-translate>words</span>
                                     </div>
                                 </div>
                             </div>
                         </div>
                         <div class="entropy-container hidden">
                             <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">
-                                    Entropy is an advanced feature.
-                                    Your mnemonic may be insecure if this feature is used incorrectly.
-                                    <a href="#entropy-notes">Read more</a>
+                                    <span data-translate>Entropy is an advanced feature. Your mnemonic may be insecure if this feature is used incorrectly.</span>
+                                    <a href="#entropy-notes" data-translate>Read more</a>
                                 </div>
                             </div>
                             <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">
-                                    <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">
-                                        <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>
-                                        <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>
                                     <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>
-                                        <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>
                                     <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>
-                                        <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>
-                                    <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>
-                                    <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>
-                                    <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">
                                         <select class="mnemonic-length form-control">
-                                            <option value="raw">From entropy length (3 words per 32 bits)</option>
-                                            <option value="12">12 Words</option>
-                                            <option value="15" selected>15 Words</option>
-                                            <option value="18">18 Words</option>
-                                            <option value="21">21 Words</option>
-                                            <option value="24">24 Words</option>
+                                            <option value="raw" data-translate>From entropy length (3 words per 32 bits)</option>
+                                            <option value="12">12 <span data-translate>Words</span></option>
+                                            <option value="15" selected>15 <span data-translate>Words</option>
+                                            <option value="18">18 <span data-translate>Words</span></option>
+                                            <option value="21">21 <span data-translate>Words</span></option>
+                                            <option value="24">24 <span data-translate>Words</span></option>
                                         </select>
                                     </div>
                                 </div>
                                 <div class="col-sm-3">
-                                    <p>Valid entropy values include:</p>
+                                    <p data-translate>Valid entropy values include:</p>
                                     <ul>
-                                        <li><strong>Binary</strong> [0-1]<br>101010011</li>
-                                        <li><strong>Base 6</strong> [0-5]<br>123434014</li>
-                                        <li><strong>Dice</strong> [1-6]<br>62535634</li>
-                                        <li><strong>Base 10</strong> [0-9]<br>90834528</li>
-                                        <li><strong>Hex</strong> [0-9A-F]<br>4187a8bfd9</li>
-                                        <li><strong>Card</strong> [A2-9TJQK][CDHS]<br>ahqs9dtc</li>
+                                        <li><strong data-translate>Binary</strong> [0-1]<br>101010011</li>
+                                        <li><strong data-translate>Base 6</strong> [0-5]<br>123434014</li>
+                                        <li><strong data-translate>Dice</strong> [1-6]<br>62535634</li>
+                                        <li><strong data-translate>Base 10</strong> [0-9]<br>90834528</li>
+                                        <li><strong data-translate>Hex</strong> [0-9A-F]<br>4187a8bfd9</li>
+                                        <li><strong data-translate>Card</strong> [A2-9TJQK][CDHS]<br>ahqs9dtc</li>
                                     </ul>
                                 </div>
                             </div>
                             <div class="col-sm-10 checkbox">
                                 <label>
                                     <input type="checkbox" class="use-entropy">
-                                    Supply my own source of entropy
+                                    <span data-translate>Supply my own source of entropy</span>
                                 </label>
                             </div>
                         </div>
                         <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">
-                                <a href="#english">English</a>
-                                <a href="#japanese" title="Japanese">日本語</a>
-                                <a href="#spanish"  title="Spanish">Español</a>
-                                <a href="#chinese_simplified"  title="Chinese (Simplified)">中文(简体)</a>
-                                <a href="#chinese_traditional"  title="Chinese (Traditional)">中文(繁體)</a>
-                                <a href="#french"  title="French">Français</a>
-                                <a href="#italian"  title="Italian">Italiano</a>
+                                <div class="form-control no-border">
+                                    <a href="#english">English</a>
+                                    <a href="#japanese" title="Japanese">日本語</a>
+                                    <a href="#spanish"  title="Spanish">Español</a>
+                                    <a href="#chinese_simplified"  title="Chinese (Simplified)">中文(简体)</a>
+                                    <a href="#chinese_traditional"  title="Chinese (Traditional)">中文(繁體)</a>
+                                    <a href="#french"  title="French">Français</a>
+                                    <a href="#italian"  title="Italian">Italiano</a>
+                                </div>
                             </div>
                         </div>
                         <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">
                                 <textarea id="phrase" class="phrase form-control"></textarea>
                             </div>
                         </div>
                         <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">
                                 <textarea id="passphrase" class="passphrase form-control"></textarea>
                             </div>
                         </div>
                         <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">
                                 <textarea id="seed" class="seed form-control" readonly="readonly"></textarea>
                             </div>
                         </div>
                         <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">
                                 <select id="network-phrase" class="network form-control">
                                     <!-- populated by javascript -->
                             </div>
                         </div>
                         <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">
                                 <textarea id="root-key" class="root-key form-control"></textarea>
                             </div>
                                 <br>
                                 <div class="col-sm-2"></div>
                                 <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 class="form-group">
                                     <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>
                                     <div class="col-sm-10">
                                         <input id="purpose" type="text" class="purpose form-control" value="44">
                                 </div>
                                 <div class="form-group">
                                     <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>
                                     <div class="col-sm-10">
                                         <input id="coin" type="text" class="coin form-control" value="0">
                                 </div>
                                 <div class="form-group">
                                     <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>
                                     <div class="col-sm-10">
                                         <input id="account" type="text" class="account form-control" value="0">
                                 </div>
                                 <div class="form-group">
                                     <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>
                                     <div class="col-sm-10">
                                         <input id="change" type="text" class="change form-control" value="0">
                                     </div>
                                 </div>
                                 <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">
                                         <input id="bip44-path" type="text" class="path form-control" value="m/44'/0'/0'/0" readonly="readonly">
                                     </div>
                                 <br>
                                 <div class="col-sm-2"></div>
                                 <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 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">
                                         <input id="bip32-path" type="text" class="path form-control" value="m/0">
                                     </div>
                                     <div class="col-sm-2"></div>
                                     <label class="col-sm-10">
                                         <input class="hardened-addresses" type="checkbox">
-                                        Use hardened addresses
+                                        <span data-translate>Use hardened addresses</span>
                                     </label>
                                 </div>
                                 <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">
-                                        <p class="form-control no-border">
-                                        <code>m/44'/0'/0'</code> generates extended keys for import / export.
+                                        <p class="form-control no-border" data-translate-html>
+                                            <code>m/44'/0'/0'</code> generates extended keys for import / export
                                         </p>
-                                        <p class="form-control no-border">
-                                        <code>m/44'/0'/1'</code> to generate the next account. Continue incrementing for more accounts (most use a single account).
+                                        <p class="form-control no-border" data-translate-html>
+                                            <code>m/44'/0'/1'</code> for the next account. Continue incrementing for more accounts (most use a single account).
                                         </p>
-                                        <p class="form-control no-border">
-                                        <code>m/44'/0'/0'/0</code> to generate public addresses.
+                                        <p class="form-control no-border" data-translate-html>
+                                            <code>m/44'/0'/0'/0</code> generates public addresses
                                         </p>
-                                        <p class="form-control no-border">
-                                        <code>m/44'/0'/0'/1</code> to generate change addresses.
+                                        <p class="form-control no-border" data-translate-html>
+                                            <code>m/44'/0'/0'/1</code> generates change addresses
                                         </p>
-                                        <p class="form-control no-border">
-                                        For more info see the <a href="http://www.mycelium.com/" target="_blank">Mycelium Wallet homepage</a>
+                                        <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>
                                         </p>
                                     </div>
                                 </div>
                                 <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">
-                                        <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.
                                         </p>
-                                        <p class="form-control no-border">
-                                        For more info see the <a href="https://github.com/bitcoin/bitcoin/pull/8035" target="_blank">Bitcoin Core BIP32 implementation</a>
+                                        <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>
                                         </p>
                                     </div>
                                 </div>
                                 <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">
                                         <p class="form-control no-border">
-                                        Use path <code>m/44'/0'/0'</code>.
-                                        Only enter the <code>xpub</code> extended key into block explorer search fields, never the <code>xprv</code> key.
+                                            <span data-translate-html>Use path <code>m/44'/0'/0'</code>.</span>
+                                            <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 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>
                                     </div>
                                 </div>
                     </div>
                     <form class="form-horizontal" role="form">
                         <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">
                                 <textarea id="extended-priv-key" class="extended-priv-key form-control" readonly="readonly"></textarea>
                             </div>
                         </div>
                         <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">
                                 <textarea id="extended-pub-key" class="extended-pub-key form-control" readonly="readonly"></textarea>
                             </div>
             <div class="row">
                 <div class="col-md-12">
                     <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">
                         <thead>
                             <th>
                                 <div class="input-group">
-                                    Path&nbsp;&nbsp;
-                                    <button class="index-toggle">Toggle</button>
+                                    <span data-translate>Path</span>&nbsp;&nbsp;
+                                    <button class="index-toggle" data-translate>Toggle</button>
                                 </div>
                             </th>
                             <th>
                                 <div class="input-group">
-                                    Address&nbsp;&nbsp;
-                                    <button class="address-toggle">Toggle</button>
+                                    <span data-translate>Address</span>&nbsp;&nbsp;
+                                    <button class="address-toggle" data-translate>Toggle</button>
                                 </div>
                             </th>
                             <th>
                                 <div class="input-group">
-                                    Public Key&nbsp;&nbsp;
-                                    <button class="public-key-toggle">Toggle</button>
+                                    <span data-translate>Public Key</span>&nbsp;&nbsp;
+                                    <button class="public-key-toggle" data-translate>Toggle</button>
                                 </div>
                             </th>
                             <th>
                                 <div class="input-group">
-                                    Private Key&nbsp;&nbsp;
-                                    <button class="private-key-toggle">Toggle</button>
+                                    <span data-translate>Private Key</span>&nbsp;&nbsp;
+                                    <button class="private-key-toggle" data-translate>Toggle</button>
                                 </div>
                             </th>
                         </thead>
                     </table>
                 </div>
             </div>
-            <span>Show next </button>
+            <span data-translate>Show more rows</span>:
             <input type="number" class="rows-to-add" value="20">
-            <button class="more">Show</button>
+            <button class="more" data-translate>Show</button>
 
             <hr>
 
             <div class="row">
                 <div class="col-md-12">
-                    <h2>More info</h2>
-                    <h3>BIP39 <span class="small">Mnemonic code for generating deterministic keys</span></h3>
-                    <p>
+                    <h2 data-translate>More info</h2>
+                    <h3>BIP39 <span class="small" data-translate>Mnemonic code for generating deterministic keys</span></h3>
+                    <p data-translate-html>
                         Read more at the
                         <a href="https://github.com/bitcoin/bips/blob/master/bip-0039.mediawiki">official BIP39 spec</a>
                     </p>
-                    <h3>BIP32 <span class="small">Hierarchical Deterministic Wallets</span></h3>
-                    <p>
+                    <h3>BIP32 <span class="small" data-translate>Hierarchical Deterministic Wallets</span></h3>
+                    <p data-translate-html>
                         Read more at the
                         <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>
                     </p>
-                    <h3>BIP44 <span class="small">Multi-Account Hierarchy for Deterministic Wallets</span></h3>
-                    <p>
+                    <h3>BIP44 <span class="small" data-translate>Multi-Account Hierarchy for Deterministic Wallets</span></h3>
+                    <p data-translate-html>
                         Read more at the
                         <a href="https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki" target="_blank">official BIP44 spec</a>
                     </p>
-                    <h3>Private Keys</h3>
+                    <h3 data-translate>Private Keys</h3>
                     <p>
-                        Use private keys at
-                        <a href="https://web.archive.org/web/20150707020924/https://brainwallet.org/" target="_blank">brainwallet.org</a>,
-                        but be careful - it can be easy to make mistakes if you
-                        don't know what you're doing
+                        <span data-translate-html>
+                            Use private keys at
+                            <a href="https://web.archive.org/web/20150707020924/https://brainwallet.org/" target="_blank">brainwallet.org</a>.
+                        </span>
+                        <span data-translate>Be careful - it can be easy to make mistakes if you don't know what you're doing.</span>
                     </p>
-                    <h3 id="entropy-notes">Entropy</h3>
+                    <h3 id="entropy-notes" data-translate>Entropy</h3>
                     <p>
-                    Entropy values must be sourced from a
-                    <a href="https://en.wikipedia.org/wiki/Random_number_generation" target="_blank">strong source of randomness</a>.
-                    This means flipping a fair coin, rolling a fair dice, noise measurements etc. 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 <em>overwhelming</em> that it isn't random enough for the needs of this tool.
+                        <span data-translate-html>
+                            Entropy values must be sourced from a
+                            <a href="https://en.wikipedia.org/wiki/Random_number_generation" target="_blank">strong source of randomness</a>.
+                        </span>
+                        <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>
-                    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>,
-                    and can generally be trusted more than your own intuition about randomness.
-                    If cryptographic randomness isn't available in your browser, this page will show a warning and <i>will not generate
-                    random mnemonics</i>.
+                        <span data-translate-html>
+                            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>.
+                        </span>
+                        <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>
-                    <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>
                 </div>
             </div>
             <div class="row">
                 <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.
                     </p>
-                    <p>
+                    <p data-translate>
                     In your browser, select file save-as, and save this page
                     as a file.
                     </p>
-                    <p>
+                    <p data-translate>
                     Double-click that file to open it in a browser
                     on any offline computer.
                     </p>
                     <p>
-                    Alternatively, download it from
-                    <a href="https://github.com/iancoleman/bip39">
-                        https://github.com/iancoleman/bip39
-                    </a>
+                    <span data-translate>Alternatively, download the file from the repository</span>
+                    -
+                    <a href="https://github.com/iancoleman/bip39">https://github.com/iancoleman/bip39</a>
+                    </p>
 
                 </div>
             </div>
             <div class="row">
                 <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>
-                        <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">
                             https://github.com/iancoleman/bip39
                         </a>
                     </p>
 
-                    <h3>Libraries</h3>
+                    <h3 data-translate>Libraries</h3>
 
                     <p>
                         <span>BitcoinJS - </span>
@@ -14607,6 +14635,242 @@ sjcl.hash.sha256.prototype = {
     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>WORDLISTS = typeof WORDLISTS == "undefined" ? {} : WORDLISTS;
 WORDLISTS["english"] = [
@@ -18060,97 +18324,9 @@ window.Entropy = new (function() {
         while (entropyBin.length < expectedBits) {
             entropyBin = "0" + entropyBin;
         }
-        // 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
+        // Cards binary must be handled differently, since they're not replaced
         if (base.asInt == 52) {
-            var totalDecks = Math.ceil(base.parts.length / 52);
-            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;
-            }
+            entropyBin = getCardBinary(base.parts);
         }
         // Supply a 'filtered' entropy string for display purposes
         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
     // See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/log2#Polyfill
     Math.log2 = Math.log2 || function(x) {