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added code to calculate hack time of split cards

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Matthew Cornelisse
2018-11-28 01:12:29 -06:00
committed by GitHub
parent 8253325365
commit 5cdbe4620a
1 changed files with 13 additions and 0 deletions
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13
src/js/index.js
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@@ -45,6 +45,7 @@
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");
@@ -1276,6 +1277,18 @@
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() {