]> git.immae.eu Git - perso/Immae/Projets/Cryptomonnaies/BIP39.git/blobdiff - bip39-standalone.html
Root key validity is checked before deriving
[perso/Immae/Projets/Cryptomonnaies/BIP39.git] / bip39-standalone.html
index 4bad422a672a0999a644d43b0fed096dbe49fd26..ca18ea8b609890fc6e2f706a02e07df8a29fb64d 100644 (file)
             .card-suit.spade {
                 color: #000;
             }
+            .qr-container {
+                position: fixed;
+                top: 0;
+                right: 0;
+                text-align: center;
+                background-color: #FFF;
+                border: 1px solid #CCC;
+            }
+            .qr-image {
+                margin: 5px;
+            }
+            .qr-hint,
+            .qr-warning {
+                padding: 2px;
+                max-width: 150px;
+            }
+            .more-info {
+                cursor: help;
+                border-bottom: 1px dashed #000;
+                text-decoration: none;
+            }
         </style>
     </head>
     <body>
                                     <div class="row">
                                         <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" data-translate>Total Bits</label>
+                                        <label class="col-sm-3 control-label" data-translate><span class="more-info" data-translate-title title="Total bits of entropy may be less than indicated if any entropy event uses a weak source.">Total Bits</span></label>
                                         <div class="bits col-sm-3 form-control-static"></div>
                                     </div>
                                     <label class="col-sm-3 control-label" data-translate>Filtered Entropy</label>
                         <div class="form-group">
                             <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>
+                                <textarea id="phrase" class="phrase form-control" data-show-qr></textarea>
                             </div>
                         </div>
                         <div class="form-group">
                         <div class="form-group">
                             <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>
+                                <textarea id="seed" class="seed form-control" readonly="readonly" data-show-qr></textarea>
                             </div>
                         </div>
                         <div class="form-group">
                         <div class="form-group">
                             <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>
+                                <textarea id="root-key" class="root-key form-control" data-show-qr></textarea>
                             </div>
                         </div>
                     </form>
                                         <input id="change" type="text" class="change form-control" value="0">
                                     </div>
                                 </div>
+                                <div class="form-group">
+                                    <label class="col-sm-2 control-label">
+                                    </label>
+                                    <div class="col-sm-10">
+                                        <p data-translate>The account extended keys can be used for importing to most BIP44 compatible wallets, such as mycelium or electrum.</p>
+                                    </div>
+                                </div>
+                                <div class="form-group">
+                                    <label for="account-xprv" class="col-sm-2 control-label">
+                                        <span data-translate>Account Extended Private Key</span>
+                                    </label>
+                                    <div class="col-sm-10">
+                                        <textarea id="account-xprv" type="text" class="account-xprv form-control" readonly data-show-qr></textarea>
+                                    </div>
+                                </div>
+                                <div class="form-group">
+                                    <label for="account-xpub" class="col-sm-2 control-label">
+                                        <span data-translate>Account Extended Public Key</span>
+                                    </label>
+                                    <div class="col-sm-10">
+                                        <textarea id="account-xpub" type="text" class="account-xpub form-control" readonly data-show-qr></textarea>
+                                    </div>
+                                </div>
+                                <div class="form-group">
+                                    <label class="col-sm-2 control-label">
+                                    </label>
+                                    <div class="col-sm-10">
+                                        <p data-translate>The BIP32 derivation path and extended keys are the basis for the derived addresses.</p>
+                                    </div>
+                                </div>
                                 <div class="form-group">
                                     <label for="bip44-path" class="col-sm-2 control-label" data-translate>BIP32 Derivation Path</label>
                                     <div class="col-sm-10">
                                         <span data-translate>Use hardened addresses</span>
                                     </label>
                                 </div>
-                                <div class="form-group">
-                                    <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" data-translate-html>
-                                            <code>m/44'/0'/0'</code> generates extended keys for import / export
-                                        </p>
-                                        <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" data-translate-html>
-                                            <code>m/44'/0'/0'/0</code> generates public addresses
-                                        </p>
-                                        <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" 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" data-translate>Bitcoin Core</label>
                                     <div class="col-sm-10">
                     </div>
                     <form class="form-horizontal" role="form">
                         <div class="form-group">
-                            <label for="extended-priv-key" class="col-sm-2 control-label" data-translate>BIP32 Extended Key</label>
+                            <label for="extended-priv-key" class="col-sm-2 control-label" data-translate>BIP32 Extended Private Key</label>
                             <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" data-show-qr></textarea>
                             </div>
                         </div>
                         <div class="form-group">
-                            <label for="extended-pub-key" class="col-sm-2 control-label" data-translate>BIP32 Extended Key (addresses only)</label>
+                            <label for="extended-pub-key" class="col-sm-2 control-label" data-translate>BIP32 Extended Public Key</label>
                             <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" data-show-qr></textarea>
                             </div>
                         </div>
                     </form>
                     <p>
                         <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>
+                    <h3 data-translate>License</h3>
+                    <p>
+                    <span data-translate-html>Please refer to <a href="https://github.com/iancoleman/bip39/blob/master/LICENSE" target="_blank">the software license</a> for more detail.
+                    </span>
+                    </p>
+                    <p data-translate>The software is provided "as is", without warranty of any kind, express or implied, including but not limited to the warranties of merchantability, fitness for a particular purpose and noninfringement. In no event shall the authors or copyright holders be liable for any claim, damages or other liability, whether in an action of contract, tort or otherwise, arising from, out of or in connection with the software or the use or other dealings in the software.</p>
                 </div>
             </div>
 
 
         </div>
 
+        <div class="qr-container hidden">
+            <div class="qr-hint bg-primary hidden" data-translate>Click field to hide QR</div>
+            <div class="qr-hint bg-primary" data-translate>Click field to show QR</div>
+            <div class="qr-hider hidden">
+                <div class="qr-image"></div>
+                <div class="qr-warning bg-primary" data-translate>Caution: Scanner may keep history</div>
+            </div>
+        </div>
+
         <div class="feedback-container">
             <div class="feedback">Loading...</div>
         </div>
         <script type="text/template" id="address-row-template">
             <tr>
                 <td class="index"><span></span></td>
-                <td class="address"><span></span></td>
-                <td class="pubkey"><span></span></td>
-                <td class="privkey"><span></span></td>
+                <td class="address"><span data-show-qr></span></td>
+                <td class="pubkey"><span data-show-qr></span></td>
+                <td class="privkey"><span data-show-qr></span></td>
             </tr>
         </script>
         <script>/*! jQuery v2.1.1 | (c) 2005, 2014 jQuery Foundation, Inc. | jquery.org/license */
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+a);}},getErrorCorrectPolynomial:function(a){for(var c=new q([1],0),d=0;d<a;d++)c=c.multiply(new q([1,l.gexp(d)],0));return c},getLengthInBits:function(a,c){if(1<=c&&10>c)switch(a){case 1:return 10;case 2:return 9;case s:return 8;case 8:return 8;default:throw Error("mode:"+a);}else if(27>c)switch(a){case 1:return 12;case 2:return 11;case s:return 16;case 8:return 10;default:throw Error("mode:"+a);}else if(41>c)switch(a){case 1:return 14;case 2:return 13;case s:return 16;case 8:return 12;default:throw Error("mode:"+
+a);}else throw Error("type:"+c);},getLostPoint:function(a){for(var c=a.getModuleCount(),d=0,b=0;b<c;b++)for(var e=0;e<c;e++){for(var f=0,i=a.isDark(b,e),g=-1;1>=g;g++)if(!(0>b+g||c<=b+g))for(var h=-1;1>=h;h++)0>e+h||c<=e+h||0==g&&0==h||i==a.isDark(b+g,e+h)&&f++;5<f&&(d+=3+f-5)}for(b=0;b<c-1;b++)for(e=0;e<c-1;e++)if(f=0,a.isDark(b,e)&&f++,a.isDark(b+1,e)&&f++,a.isDark(b,e+1)&&f++,a.isDark(b+1,e+1)&&f++,0==f||4==f)d+=3;for(b=0;b<c;b++)for(e=0;e<c-6;e++)a.isDark(b,e)&&!a.isDark(b,e+1)&&a.isDark(b,e+
+2)&&a.isDark(b,e+3)&&a.isDark(b,e+4)&&!a.isDark(b,e+5)&&a.isDark(b,e+6)&&(d+=40);for(e=0;e<c;e++)for(b=0;b<c-6;b++)a.isDark(b,e)&&!a.isDark(b+1,e)&&a.isDark(b+2,e)&&a.isDark(b+3,e)&&a.isDark(b+4,e)&&!a.isDark(b+5,e)&&a.isDark(b+6,e)&&(d+=40);for(e=f=0;e<c;e++)for(b=0;b<c;b++)a.isDark(b,e)&&f++;a=Math.abs(100*f/c/c-50)/5;return d+10*a}},l={glog:function(a){if(1>a)throw Error("glog("+a+")");return l.LOG_TABLE[a]},gexp:function(a){for(;0>a;)a+=255;for(;256<=a;)a-=255;return l.EXP_TABLE[a]},EXP_TABLE:Array(256),
+LOG_TABLE:Array(256)},m=0;8>m;m++)l.EXP_TABLE[m]=1<<m;for(m=8;256>m;m++)l.EXP_TABLE[m]=l.EXP_TABLE[m-4]^l.EXP_TABLE[m-5]^l.EXP_TABLE[m-6]^l.EXP_TABLE[m-8];for(m=0;255>m;m++)l.LOG_TABLE[l.EXP_TABLE[m]]=m;q.prototype={get:function(a){return this.num[a]},getLength:function(){return this.num.length},multiply:function(a){for(var c=Array(this.getLength()+a.getLength()-1),d=0;d<this.getLength();d++)for(var b=0;b<a.getLength();b++)c[d+b]^=l.gexp(l.glog(this.get(d))+l.glog(a.get(b)));return new q(c,0)},mod:function(a){if(0>
+this.getLength()-a.getLength())return this;for(var c=l.glog(this.get(0))-l.glog(a.get(0)),d=Array(this.getLength()),b=0;b<this.getLength();b++)d[b]=this.get(b);for(b=0;b<a.getLength();b++)d[b]^=l.gexp(l.glog(a.get(b))+c);return(new q(d,0)).mod(a)}};p.RS_BLOCK_TABLE=[[1,26,19],[1,26,16],[1,26,13],[1,26,9],[1,44,34],[1,44,28],[1,44,22],[1,44,16],[1,70,55],[1,70,44],[2,35,17],[2,35,13],[1,100,80],[2,50,32],[2,50,24],[4,25,9],[1,134,108],[2,67,43],[2,33,15,2,34,16],[2,33,11,2,34,12],[2,86,68],[4,43,27],
+[4,43,19],[4,43,15],[2,98,78],[4,49,31],[2,32,14,4,33,15],[4,39,13,1,40,14],[2,121,97],[2,60,38,2,61,39],[4,40,18,2,41,19],[4,40,14,2,41,15],[2,146,116],[3,58,36,2,59,37],[4,36,16,4,37,17],[4,36,12,4,37,13],[2,86,68,2,87,69],[4,69,43,1,70,44],[6,43,19,2,44,20],[6,43,15,2,44,16],[4,101,81],[1,80,50,4,81,51],[4,50,22,4,51,23],[3,36,12,8,37,13],[2,116,92,2,117,93],[6,58,36,2,59,37],[4,46,20,6,47,21],[7,42,14,4,43,15],[4,133,107],[8,59,37,1,60,38],[8,44,20,4,45,21],[12,33,11,4,34,12],[3,145,115,1,146,
+116],[4,64,40,5,65,41],[11,36,16,5,37,17],[11,36,12,5,37,13],[5,109,87,1,110,88],[5,65,41,5,66,42],[5,54,24,7,55,25],[11,36,12],[5,122,98,1,123,99],[7,73,45,3,74,46],[15,43,19,2,44,20],[3,45,15,13,46,16],[1,135,107,5,136,108],[10,74,46,1,75,47],[1,50,22,15,51,23],[2,42,14,17,43,15],[5,150,120,1,151,121],[9,69,43,4,70,44],[17,50,22,1,51,23],[2,42,14,19,43,15],[3,141,113,4,142,114],[3,70,44,11,71,45],[17,47,21,4,48,22],[9,39,13,16,40,14],[3,135,107,5,136,108],[3,67,41,13,68,42],[15,54,24,5,55,25],[15,
+43,15,10,44,16],[4,144,116,4,145,117],[17,68,42],[17,50,22,6,51,23],[19,46,16,6,47,17],[2,139,111,7,140,112],[17,74,46],[7,54,24,16,55,25],[34,37,13],[4,151,121,5,152,122],[4,75,47,14,76,48],[11,54,24,14,55,25],[16,45,15,14,46,16],[6,147,117,4,148,118],[6,73,45,14,74,46],[11,54,24,16,55,25],[30,46,16,2,47,17],[8,132,106,4,133,107],[8,75,47,13,76,48],[7,54,24,22,55,25],[22,45,15,13,46,16],[10,142,114,2,143,115],[19,74,46,4,75,47],[28,50,22,6,51,23],[33,46,16,4,47,17],[8,152,122,4,153,123],[22,73,45,
+3,74,46],[8,53,23,26,54,24],[12,45,15,28,46,16],[3,147,117,10,148,118],[3,73,45,23,74,46],[4,54,24,31,55,25],[11,45,15,31,46,16],[7,146,116,7,147,117],[21,73,45,7,74,46],[1,53,23,37,54,24],[19,45,15,26,46,16],[5,145,115,10,146,116],[19,75,47,10,76,48],[15,54,24,25,55,25],[23,45,15,25,46,16],[13,145,115,3,146,116],[2,74,46,29,75,47],[42,54,24,1,55,25],[23,45,15,28,46,16],[17,145,115],[10,74,46,23,75,47],[10,54,24,35,55,25],[19,45,15,35,46,16],[17,145,115,1,146,116],[14,74,46,21,75,47],[29,54,24,19,
+55,25],[11,45,15,46,46,16],[13,145,115,6,146,116],[14,74,46,23,75,47],[44,54,24,7,55,25],[59,46,16,1,47,17],[12,151,121,7,152,122],[12,75,47,26,76,48],[39,54,24,14,55,25],[22,45,15,41,46,16],[6,151,121,14,152,122],[6,75,47,34,76,48],[46,54,24,10,55,25],[2,45,15,64,46,16],[17,152,122,4,153,123],[29,74,46,14,75,47],[49,54,24,10,55,25],[24,45,15,46,46,16],[4,152,122,18,153,123],[13,74,46,32,75,47],[48,54,24,14,55,25],[42,45,15,32,46,16],[20,147,117,4,148,118],[40,75,47,7,76,48],[43,54,24,22,55,25],[10,
+45,15,67,46,16],[19,148,118,6,149,119],[18,75,47,31,76,48],[34,54,24,34,55,25],[20,45,15,61,46,16]];p.getRSBlocks=function(a,c){var d=p.getRsBlockTable(a,c);if(void 0==d)throw Error("bad rs block @ typeNumber:"+a+"/errorCorrectLevel:"+c);for(var b=d.length/3,e=[],f=0;f<b;f++)for(var h=d[3*f+0],g=d[3*f+1],j=d[3*f+2],l=0;l<h;l++)e.push(new p(g,j));return e};p.getRsBlockTable=function(a,c){switch(c){case 1:return p.RS_BLOCK_TABLE[4*(a-1)+0];case 0:return p.RS_BLOCK_TABLE[4*(a-1)+1];case 3:return p.RS_BLOCK_TABLE[4*
+(a-1)+2];case 2:return p.RS_BLOCK_TABLE[4*(a-1)+3]}};t.prototype={get:function(a){return 1==(this.buffer[Math.floor(a/8)]>>>7-a%8&1)},put:function(a,c){for(var d=0;d<c;d++)this.putBit(1==(a>>>c-d-1&1))},getLengthInBits:function(){return this.length},putBit:function(a){var c=Math.floor(this.length/8);this.buffer.length<=c&&this.buffer.push(0);a&&(this.buffer[c]|=128>>>this.length%8);this.length++}};"string"===typeof h&&(h={text:h});h=r.extend({},{render:"canvas",width:256,height:256,typeNumber:-1,
+correctLevel:2,background:"#ffffff",foreground:"#000000"},h);return this.each(function(){var a;if("canvas"==h.render){a=new o(h.typeNumber,h.correctLevel);a.addData(h.text);a.make();var c=document.createElement("canvas");c.width=h.width;c.height=h.height;for(var d=c.getContext("2d"),b=h.width/a.getModuleCount(),e=h.height/a.getModuleCount(),f=0;f<a.getModuleCount();f++)for(var i=0;i<a.getModuleCount();i++){d.fillStyle=a.isDark(f,i)?h.foreground:h.background;var g=Math.ceil((i+1)*b)-Math.floor(i*b),
+j=Math.ceil((f+1)*b)-Math.floor(f*b);d.fillRect(Math.round(i*b),Math.round(f*e),g,j)}}else{a=new o(h.typeNumber,h.correctLevel);a.addData(h.text);a.make();c=r("<table></table>").css("width",h.width+"px").css("height",h.height+"px").css("border","0px").css("border-collapse","collapse").css("background-color",h.background);d=h.width/a.getModuleCount();b=h.height/a.getModuleCount();for(e=0;e<a.getModuleCount();e++){f=r("<tr></tr>").css("height",b+"px").appendTo(c);for(i=0;i<a.getModuleCount();i++)r("<td></td>").css("width",
+d+"px").css("background-color",a.isDark(e,i)?h.foreground:h.background).appendTo(f)}}a=c;$(a).appendTo(this)})}})($);
 </script>
         <script>(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.bitcoin = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
 // (public) Constructor
@@ -14644,7 +14718,8 @@ sjcl.hash.sha256.prototype = {
 //
 //   <div data-translate>Test</div>
 //   <div data-translate-html><em>keep em tag</em></div>
-//   <input data-translate-placeholder placeholder="Example text">
+//   <input data-translate-placeholder placeholder="Example placeholder">
+//   <span data-translate-title title="Example title"></span>
 //
 // Obtain all the phrases to be translated via js debug console:
 //
@@ -14659,7 +14734,8 @@ sjcl.hash.sha256.prototype = {
 //   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"
+//       "Example placeholder": "Example placeholder in Spanish"
+//       "Example title": "Example title in Spanish"
 //   });
 //
 // In your UI put a listener for clicking on the Spanish button:
@@ -14710,10 +14786,21 @@ Translate = new (function() {
         },
     }
 
+    var title = {
+        selector: "[data-translate-title]",
+        getKey: function() {
+            return this.getAttribute("title").trim().replace(/\s+/g, " ");
+        },
+        setPhrase: function(p) {
+            this.setAttribute("title", p);
+        },
+    }
+
     // Get elements to be translated
     var allEls = getEls(text)
         .concat(getEls(html))
-        .concat(getEls(placeholder));
+        .concat(getEls(placeholder))
+        .concat(getEls(title));
 
     // Provides access to phrases from a non-default language.
     // See phrases_en.js for example usage.
@@ -18467,7 +18554,12 @@ window.Entropy = new (function() {
         }
         // 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 gainedBits = 0;
+        // Equivalent of Math.log2(factorial(52*numberOfDecks))
+        // which becomes infinity for numberOfDecks > 4
+        for (var i=1; i<=52*numberOfDecks; i++) {
+            gainedBits = gainedBits + Math.log2(i);
+        }
         var lostBits = 52 * Math.log2(factorial(numberOfDecks));
         var maxBits = gainedBits - lostBits;
         // Convert the drawn cards to a binary representation.
@@ -18561,6 +18653,7 @@ window.Entropy = new (function() {
     var showAddress = true;
     var showPubKey = true;
     var showPrivKey = true;
+    var showQr = false;
 
     var entropyChangeTimeoutEvent = null;
     var phraseChangeTimeoutEvent = null;
@@ -18598,6 +18691,8 @@ window.Entropy = new (function() {
     DOM.bip44purpose = $("#bip44 .purpose");
     DOM.bip44coin = $("#bip44 .coin");
     DOM.bip44account = $("#bip44 .account");
+    DOM.bip44accountXprv = $("#bip44 .account-xprv");
+    DOM.bip44accountXpub = $("#bip44 .account-xpub");
     DOM.bip44change = $("#bip44 .change");
     DOM.generatedStrength = $(".generate-container .strength");
     DOM.hardenedAddresses = $(".hardened-addresses");
@@ -18611,6 +18706,11 @@ window.Entropy = new (function() {
     DOM.publicKeyToggle = $(".public-key-toggle");
     DOM.privateKeyToggle = $(".private-key-toggle");
     DOM.languages = $(".languages a");
+    DOM.qrContainer = $(".qr-container");
+    DOM.qrHider = DOM.qrContainer.find(".qr-hider");
+    DOM.qrImage = DOM.qrContainer.find(".qr-image");
+    DOM.qrHint = DOM.qrContainer.find(".qr-hint");
+    DOM.showQrEls = $("[data-show-qr]");
 
     function init() {
         // Events
@@ -18635,6 +18735,7 @@ window.Entropy = new (function() {
         DOM.publicKeyToggle.on("click", togglePublicKeys);
         DOM.privateKeyToggle.on("click", togglePrivateKeys);
         DOM.languages.on("click", languageChanged);
+        setQrEvents(DOM.showQrEls);
         disableForms();
         hidePending();
         hideValidationError();
@@ -18767,11 +18868,11 @@ window.Entropy = new (function() {
         // Calculate and display
         calcBip32RootKeyFromBase58(rootKeyBase58);
         calcForDerivationPath();
-        hidePending();
     }
 
     function calcForDerivationPath() {
         showPending();
+        clearAddressesList();
         hideValidationError();
         // Get the derivation path
         var derivationPath = getDerivationPath();
@@ -18780,7 +18881,10 @@ window.Entropy = new (function() {
             showValidationError(errorText);
             return;
         }
-        calcBip32ExtendedKey(derivationPath);
+        bip32ExtendedKey = calcBip32ExtendedKey(derivationPath);
+        if (bip44TabSelected()) {
+            displayBip44Info();
+        }
         displayBip32Info();
         hidePending();
     }
@@ -18860,7 +18964,11 @@ window.Entropy = new (function() {
     }
 
     function calcBip32ExtendedKey(path) {
-        bip32ExtendedKey = bip32RootKey;
+        // Check there's a root key to derive from
+        if (!bip32RootKey) {
+            return bip32RootKey;
+        }
+        var extendedKey = bip32RootKey;
         // Derive the key from the path
         var pathBits = path.split("/");
         for (var i=0; i<pathBits.length; i++) {
@@ -18870,13 +18978,19 @@ window.Entropy = new (function() {
                 continue;
             }
             var hardened = bit[bit.length-1] == "'";
-            if (hardened) {
-                bip32ExtendedKey = bip32ExtendedKey.deriveHardened(index);
+            var isPriv = "privKey" in extendedKey;
+            var invalidDerivationPath = hardened && !isPriv;
+            if (invalidDerivationPath) {
+                extendedKey = null;
+            }
+            else if (hardened) {
+                extendedKey = extendedKey.deriveHardened(index);
             }
             else {
-                bip32ExtendedKey = bip32ExtendedKey.derive(index);
+                extendedKey = extendedKey.derive(index);
             }
         }
+        return extendedKey
     }
 
     function showValidationError(errorText) {
@@ -18929,7 +19043,7 @@ window.Entropy = new (function() {
     }
 
     function getDerivationPath() {
-        if (DOM.bip44tab.hasClass("active")) {
+        if (bip44TabSelected()) {
             var purpose = parseIntNoNaN(DOM.bip44purpose.val(), 44);
             var coin = parseIntNoNaN(DOM.bip44coin.val(), 0);
             var account = parseIntNoNaN(DOM.bip44account.val(), 0);
@@ -18944,7 +19058,7 @@ window.Entropy = new (function() {
             console.log("Using derivation path from BIP44 tab: " + derivationPath);
             return derivationPath;
         }
-        else if (DOM.bip32tab.hasClass("active")) {
+        else if (bip32TabSelected()) {
             var derivationPath = DOM.bip32path.val();
             console.log("Using derivation path from BIP32 tab: " + derivationPath);
             return derivationPath;
@@ -18988,15 +19102,47 @@ window.Entropy = new (function() {
                 }
             }
         }
+        // Check root key exists or else derivation path is useless!
+        if (!bip32RootKey) {
+            return "No root key";
+        }
+        // Check no hardened derivation path when using xpub keys
+        var hardened = path.indexOf("'") > -1;
+        var isXpubkey = !("privKey" in bip32RootKey);
+        if (hardened && isXpubkey) {
+            return "Hardened derivation path is invalid with xpub key";
+        }
         return false;
     }
 
+    function displayBip44Info() {
+        // Get the derivation path for the account
+        var purpose = parseIntNoNaN(DOM.bip44purpose.val(), 44);
+        var coin = parseIntNoNaN(DOM.bip44coin.val(), 0);
+        var account = parseIntNoNaN(DOM.bip44account.val(), 0);
+        var path = "m/";
+        path += purpose + "'/";
+        path += coin + "'/";
+        path += account + "'/";
+        // Calculate the account extended keys
+        var accountExtendedKey = calcBip32ExtendedKey(path);
+        var accountXprv = accountExtendedKey.toBase58();
+        var accountXpub = accountExtendedKey.toBase58(false);
+        // Display the extended keys
+        DOM.bip44accountXprv.val(accountXprv);
+        DOM.bip44accountXpub.val(accountXpub);
+    }
+
     function displayBip32Info() {
         // Display the key
         DOM.seed.val(seed);
         var rootKey = bip32RootKey.toBase58();
         DOM.rootKey.val(rootKey);
-        var extendedPrivKey = bip32ExtendedKey.toBase58();
+        var xprvkeyB58 = "NA";
+        if (bip32ExtendedKey.privKey) {
+            xprvkeyB58 = bip32ExtendedKey.toBase58();
+        }
+        var extendedPrivKey = xprvkeyB58;
         DOM.extendedPrivKey.val(extendedPrivKey);
         var extendedPubKey = bip32ExtendedKey.toBase58(false);
         DOM.extendedPubKey.val(extendedPubKey);
@@ -19030,7 +19176,10 @@ window.Entropy = new (function() {
                     key = bip32ExtendedKey.derive(index);
                 }
                 var address = key.getAddress().toString();
-                var privkey = key.privKey.toWIF(network);
+                var privkey = "NA";
+                if (key.privKey) {
+                    privkey = key.privKey.toWIF(network);
+                }
                 var pubkey = key.pubKey.toHex();
                 var indexText = getDerivationPath() + "/" + index;
                 if (useHardenedAddresses) {
@@ -19103,6 +19252,8 @@ window.Entropy = new (function() {
             privkeyCell.addClass("invisible");
         }
         DOM.addresses.append(row);
+        var rowShowQrEls = row.find("[data-show-qr]");
+        setQrEvents(rowShowQrEls);
     }
 
     function hasStrongRandom() {
@@ -19450,6 +19601,46 @@ window.Entropy = new (function() {
         return typeStr;
     }
 
+    function setQrEvents(els) {
+        els.on("mouseenter", createQr);
+        els.on("mouseleave", destroyQr);
+        els.on("click", toggleQr);
+    }
+
+    function createQr(e) {
+        var content = e.target.textContent || e.target.value;
+        if (content) {
+            var size = 130;
+            DOM.qrImage.qrcode({width: size, height: size, text: content});
+            if (!showQr) {
+                DOM.qrHider.addClass("hidden");
+            }
+            else {
+                DOM.qrHider.removeClass("hidden");
+            }
+            DOM.qrContainer.removeClass("hidden");
+        }
+    }
+
+    function destroyQr() {
+        DOM.qrImage.text("");
+        DOM.qrContainer.addClass("hidden");
+    }
+
+    function toggleQr() {
+        showQr = !showQr;
+        DOM.qrHider.toggleClass("hidden");
+        DOM.qrHint.toggleClass("hidden");
+    }
+
+    function bip44TabSelected() {
+        return DOM.bip44tab.hasClass("active");
+    }
+
+    function bip32TabSelected() {
+        return DOM.bip32tab.hasClass("active");
+    }
+
     var networks = [
         {
             name: "Bitcoin",