2015-04-25 20:33:19 -04:00
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<!-- The above 3 meta tags *must* come first in the head; any other head content must come *after* these tags -->
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2015-04-26 19:00:07 -04:00
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<title>Diceware Implementation by dmuth</title>
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2015-04-25 20:33:19 -04:00
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<!-- Bootstrap -->
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<link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css" rel="stylesheet">
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<link href="./starter-template.css" rel="stylesheet">
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2015-04-26 16:29:22 -04:00
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<!-- Our different dice faces. -->
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2015-04-26 02:08:58 -04:00
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<link href="./dice.css" rel="stylesheet">
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2015-04-25 20:33:19 -04:00
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<!-- HTML5 shim and Respond.js for IE8 support of HTML5 elements and media queries -->
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<!--[if lt IE 9]>
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<script src="https://oss.maxcdn.com/html5shiv/3.7.2/html5shiv.min.js"></script>
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<![endif]-->
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</head>
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<body>
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<div class="container">
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2015-04-26 18:58:55 -04:00
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<a id="github_ribbon" style="display: none; " href="https://github.com/dmuth/diceware"
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><img style="position: absolute; top: 0; right: 0; border: 0;" src="https://camo.githubusercontent.com/365986a132ccd6a44c23a9169022c0b5c890c387/68747470733a2f2f73332e616d617a6f6e6177732e636f6d2f6769746875622f726962626f6e732f666f726b6d655f72696768745f7265645f6161303030302e706e67" alt="Fork me on GitHub" data-canonical-src="https://s3.amazonaws.com/github/ribbons/forkme_right_red_aa0000.png"></a>
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2015-04-25 20:33:19 -04:00
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<div class="starter-template">
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<h1>Diceware Password Generator</h1>
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<p class="lead">
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Generate high-entropy passwords the easy way!
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</p>
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2015-04-26 02:08:58 -04:00
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<!-- This row is completely hidden, but is used to hold elements
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that get cloned after a dice roll. -->
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<div class="row source" style="display: none; ">
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<div class="col-md-12" style="height: 0px; ">
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<div class="side dice1" style="float: left; ">
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<div class="dot center"></div>
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</div>
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<div class="side dice2" style="float: left; ">
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<div class="dot dtop dleft"></div>
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<div class="dot dbottom dright"></div>
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</div>
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<div class="side dice3" style="float: left; ">
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<div class="dot dtop dleft"></div>
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<div class="dot center"></div>
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<div class="dot dbottom dright"></div>
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</div>
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<div class="side dice4" style="float: left; ">
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<div class="dot dtop dleft"></div>
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<div class="dot dtop dright"></div>
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<div class="dot dbottom dleft"></div>
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<div class="dot dbottom dright"></div>
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</div>
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<div class="side dice5" style="float: left; ">
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<div class="dot dtop dleft"></div>
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<div class="dot dtop dright"></div>
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<div class="dot center"></div>
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<div class="dot dbottom dleft"></div>
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<div class="dot dbottom dright"></div>
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</div>
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<div class="side dice6" style="float: left; ">
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<div class="dot dtop dleft"></div>
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<div class="dot dtop dright"></div>
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<div class="dot center dleft"></div>
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<div class="dot center dright"></div>
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<div class="dot dbottom dleft"></div>
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<div class="dot dbottom dright"></div>
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</div>
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2015-04-26 16:29:22 -04:00
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<div class="dice_word" style="float: left; padding-left: 20px; padding-top: 25px; ">
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</div>
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2015-04-26 17:14:21 -04:00
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<div class="results_words_key" >Your words are: </div>
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<div class="results_words_value" ></div>
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2015-04-26 02:14:23 -04:00
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2015-04-26 17:14:21 -04:00
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<div class="results_phrase_key" >Your passphrase is: </div>
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<div class="results_phrase_value" ></div>
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2015-04-26 02:08:58 -04:00
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</div>
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2015-04-27 20:48:57 -04:00
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<div class="alert alert-danger bad_crypto" role="alert">
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<span class="glyphicon glyphicon-exclamation-sign" aria-hidden="true"></span>
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<span class="sr-only">Error:</span>
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Whoa there! Your browser doesn't have the getRandomValues() function.
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This means that dice rolls you make <em>will not be cryptogrpahically secure!</em><br/>
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Please try another browser. Otherwise, proceed at your own risk.
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</div>
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</div> <!--/ row -->
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2015-04-25 20:33:19 -04:00
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<div class="row">
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<div class="col-md-12">
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2015-04-27 20:48:57 -04:00
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<div class="message" ></div>
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2015-04-26 18:01:13 -04:00
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<h2 class="dice_num">
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2015-04-25 20:41:37 -04:00
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Number of Dice to roll:
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2015-04-25 20:33:19 -04:00
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</h2>
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<div class="btn-group-lg" role="group" aria-label="...">
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2015-04-26 00:01:29 -04:00
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<button type="button" class="btn btn-default dice_button">2</button>
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<button type="button" class="btn btn-default dice_button">3</button>
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<button type="button" class="btn btn-default dice_button active">4</button>
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<button type="button" class="btn btn-default dice_button">5</button>
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<button type="button" class="btn btn-default dice_button">6</button>
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<button type="button" class="btn btn-default dice_button">7</button>
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<button type="button" class="btn btn-default dice_button">8</button>
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2015-04-25 20:33:19 -04:00
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</div>
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<br/>
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2015-04-26 18:33:58 -04:00
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<a name="roll_dice_button" ></a>
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2015-04-26 00:01:29 -04:00
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<button type="button" class="btn btn-default btn-lg btn-primary" id="roll_dice">
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<span class="glyphicon glyphicon-play" aria-hidden="true" ></span> Roll Dice!
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2015-04-25 20:33:19 -04:00
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</button>
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</div>
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</div><!-- /row -->
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2015-04-26 00:01:29 -04:00
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<p/>
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<div class="row">
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2015-04-26 02:08:58 -04:00
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<div class="col-md-12" >
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2015-04-26 17:53:43 -04:00
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<div class="results">
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2015-04-26 00:01:29 -04:00
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</div>
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</div>
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</div><!-- /row -->
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2015-04-25 20:33:19 -04:00
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2015-04-25 20:41:26 -04:00
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<div class="row" style="text-align: left;">
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<div class="col-md-12">
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2015-04-26 18:40:51 -04:00
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<h3>About Diceware</h3>
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2015-04-25 20:41:26 -04:00
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Weak passwords are a big flaw in computer security due to a lack of "entropy"
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2015-04-26 14:12:34 -04:00
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or randomness. For example, how many times have you used the name of a pet or relative or street
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2015-04-25 20:41:26 -04:00
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in a password, or perhaps the number "1". Not very random, is it? :-)
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2015-04-26 14:12:34 -04:00
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Worse still, if
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passwords are reused between services, <a href="http://www.businessinsider.com/biggest-password-mistake-2014-8"
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>that increases your security risk</a>.
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2015-04-25 20:41:26 -04:00
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</p>
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Fact is, humans are terrible at remembering random combiations of letters and
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2015-04-26 19:15:00 -04:00
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numbers, but we are great at remembering phrases of words. That's where Diceware comes in.
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2015-04-25 20:41:26 -04:00
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</p>
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2015-04-26 16:03:54 -04:00
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Diceware is based on the proposal at <a href="http://world.std.com/~reinhold/diceware.html">http://world.std.com/~reinhold/diceware.html</a>
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2015-04-25 20:41:26 -04:00
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wherein virtual dice are roled 5 times, and the 5 digit number used against a lookup table of words.
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4 dice rolls gives you 4 random words which are easy for a human being to remember, yet have
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a high amount of entropy which makes them hard to crack.
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</p>
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For more information on Diceware:
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<ul>
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<li><a href="http://world.std.com/~reinhold/diceware.html">The Diceware Passphrase FAQ</a></li>
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<li><a href="http://world.std.com/~reinhold/diceware.wordlist.asc">Diceware word list</a></li>
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<li><a href="http://world.std.com/~reinhold/diceware.txt">Diceware for Passphrase Generation and Other Cryptographic Applications</a></li>
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</ul>
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2015-04-26 18:40:51 -04:00
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<h3>FAQ: Why not use LastPass or a similar product?</h3>
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By all means, feel free to do so. LastPass is an excellent product and I highly recommend it.
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If, on the other hand, you prefer to be able to actually remember your
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passwords, I recommend Diceware or a similar system.
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2015-04-27 20:48:57 -04:00
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<h3>FAQ: Are these dice roles cryptographically secure?</h3>
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Yes, insofar as we're using the getRandomValues() function in Javascript, and you trust that your
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browser and computer have not been compromised or otherwise tampered with. Keep in mind that a not-so-theoretical attack
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would be for an attacker to compromise the random number generator on your computer so that
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anything that is encrypted (or passkeys generated) would be suspectible to less intense cryptoanalysis.
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2015-04-27 19:12:37 -04:00
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<h3>FAQ: Is the source available?</h3>
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Yep! You can grab a copy at <a href="https://github.com/dmuth/diceware">https://github.com/dmuth/diceware</a>
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2015-04-26 18:40:51 -04:00
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2015-04-27 20:48:57 -04:00
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2015-04-26 18:40:51 -04:00
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<h3>Who built this? / Contact</h3>
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2015-04-27 19:13:02 -04:00
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My name is <a href="http://www.dmuth.org/">Douglas Muth</a>, and I am a software engineer in Philadelphia, PA.
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2015-04-26 18:40:51 -04:00
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</p>
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There are several ways to get in touch with me:
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<ul>
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<li>Email to doug.muth AT gmail DOT com or dmuth AT dmuth DOT org</li>
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2015-04-26 19:17:21 -04:00
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<li><a href="http://www.facebook.com/dmuth">Facebook</a> and <a href="http://twitter.com/dmuth">Twitter</a></li>
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2015-04-26 19:17:47 -04:00
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<li><a href="http://www.linkedin.com/in/dmuth">LinkedIn</a></li>
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2015-04-26 18:40:51 -04:00
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</ul>
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Feel free to reach out to me if you have any comments, suggestions, or bug reports.
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2015-04-25 20:41:26 -04:00
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</div>
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</div>
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2015-04-25 20:33:19 -04:00
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</div><!-- /starter-template -->
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</div><!-- /.container -->
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<!-- jQuery (necessary for Bootstrap's JavaScript plugins) -->
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<script src="//ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
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<!-- Include all compiled plugins (below), or include individual files as needed -->
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<script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.4/js/bootstrap.min.js"></script>
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2015-04-25 23:02:05 -04:00
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<script src="./main.js"></script>
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2015-04-25 20:33:19 -04:00
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</body>
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</html>
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