]> git.immae.eu Git - perso/Immae/Projets/Cryptomonnaies/BIP39.git/blobdiff - src/js/index.js
Merge pull request #368 from johnnynanjiang/elastos-pr
[perso/Immae/Projets/Cryptomonnaies/BIP39.git] / src / js / index.js
index 52fb3ff94d32f94e739b794d501d03c8162b2e09..9ace962612267c779c264895031634ae3ca9ee74 100644 (file)
@@ -44,6 +44,8 @@
     DOM.entropyWeakEntropyOverrideWarning = DOM.entropyContainer.find(".weak-entropy-override-warning");
     DOM.entropyFilterWarning = DOM.entropyContainer.find(".filter-warning");
     DOM.phrase = $(".phrase");
+       DOM.splitPhrase = $(".phraseSplit");
+       DOM.phraseSplitWarn = $(".phraseSplitWarn");
     DOM.passphrase = $(".passphrase");
     DOM.generateContainer = $(".generate-container");
     DOM.generate = $(".generate");
         if (phraseChangeTimeoutEvent != null) {
             clearTimeout(phraseChangeTimeoutEvent);
         }
-        phraseChangeTimeoutEvent = setTimeout(phraseChanged, 400);
+        phraseChangeTimeoutEvent = setTimeout(function() {
+            phraseChanged();
+            var entropy = mnemonic.toRawEntropyHex(DOM.phrase.val());
+            if (entropy !== null) {
+                DOM.entropyMnemonicLength.val("raw");
+                DOM.entropy.val(entropy);
+            }
+        }, 400);
     }
 
     function phraseChanged() {
             clearDisplay();
             clearEntropyFeedback();
             DOM.phrase.val("");
+                       DOM.phraseSplit.val("");
             showValidationError("Blank entropy");
             return;
         }
         showPending();
         // Clear existing mnemonic and passphrase
         DOM.phrase.val("");
+               DOM.phraseSplit.val("");
         DOM.passphrase.val("");
         seed = null;
         if (rootKeyChangedTimeoutEvent != null) {
             if (DOM.phrase.val().length > 0) {
                 var newPhrase = convertPhraseToNewLanguage();
                 DOM.phrase.val(newPhrase);
+                               writeSplitPhrase(newPhrase);
                 phraseChanged();
             }
             else {
         // show the words
         var words = mnemonic.toMnemonic(data);
         DOM.phrase.val(words);
+               writeSplitPhrase(words);
         // show the entropy
         var entropyHex = uint8ArrayToHex(data);
         DOM.entropy.val(entropyHex);
                 // Ethereum values are different
                 if ((networks[DOM.network.val()].name == "ETH - Ethereum")
                     || (networks[DOM.network.val()].name == "ETC - Ethereum Classic")
+                    || (networks[DOM.network.val()].name == "EWT - EnergyWeb")
                     || (networks[DOM.network.val()].name == "PIRL - Pirl")
                     || (networks[DOM.network.val()].name == "MIX - MIX")
                     || (networks[DOM.network.val()].name == "MUSIC - Musicoin")
         }
         return phrase;
     }
+       
+       function writeSplitPhrase(phrase) {
+               var wordCount = phrase.split(/\s/g).length;                                                             //get number of words in phrase       
+               var left=[];                                                                                                                    //initialize array of indexs
+               for (var i=0;i<wordCount;i++) left.push(i);                                                             //add all indexs to array
+               var group=[[],[],[]],                                                                                                   //make array for 3 groups
+                       groupI=-1;                                                                                                                      //initialize group index
+               var seed = Math.abs(sjcl.hash.sha256.hash(phrase)[0])% 2147483647;              //start seed at sudo random value based on hash of words
+               while (left.length>0) {                                                                                                 //while indexs left
+                       groupI=(groupI+1)%3;                                                                                            //get next group to insert index into
+                       seed = seed * 16807 % 2147483647;                                                                       //change random value.(simple predicatable random number generator works well for this use)
+                       var selected=Math.floor(left.length*(seed - 1) / 2147483646);           //get index in left we will use for this group
+                       group[groupI].push(left[selected]);                                                                     //add index to group
+                       left.splice(selected,1);                                                                                        //remove selected index
+               }
+               var cards=[phrase.split(/\s/g),phrase.split(/\s/g),phrase.split(/\s/g)];//make array of cards
+               for (var i=0;i<3;i++) {                                                                                                 //go through each card
+                       for (var ii=0;ii<wordCount/3;ii++) cards[i][group[i][ii]]='XXXX';       //erase words listed in the group
+                       cards[i]='Card '+(i+1)+': '+wordArrayToPhrase(cards[i]);                                                                //combine words on card back to string
+               }
+               DOM.splitPhrase.val(cards.join("\r\n"));                                                                //make words visible
+               var triesPerSecond=10000000000;                                                                                 //assumed number of tries per second
+               var hackTime=Math.pow(2,wordCount*10/3)/triesPerSecond;                                 //get number of bits of unknown data per card
+               if (hackTime<1) {
+                       hackTime="<1 second";
+               } else if (hackTime<86400) {
+                       hackTime=Math.floor(hackTime)+" seconds";
+               } else if(hackTime<31557600) {
+                       hackTime=Math.floor(hackTime/86400)+" days";
+               } else {
+                       hackTime=Math.floor(hackTime/31557600)+" years";
+               }
+               DOM.phraseSplitWarn.html("Time to hack with only one card: "+hackTime);
+       }
 
     function isUsingOwnEntropy() {
         return DOM.useEntropy.prop("checked");
         var phrase = mnemonic.toMnemonic(entropyArr);
         // Set the mnemonic in the UI
         DOM.phrase.val(phrase);
+               writeSplitPhrase(phrase);
         // Show the word indexes
         showWordIndexes();
         // Show the checksum
                 network = bitcoinjs.bitcoin.networks.bitcoin;
                 setHdCoin(60);
             },
-        },
+          },
+        {
+            name: "EWT - EnergyWeb",
+            onSelect: function() {
+                network = bitcoinjs.bitcoin.networks.bitcoin;
+                setHdCoin(246);
+            },
+          },
         {
             name: "EXCL - Exclusivecoin",
             onSelect: function() {