90 lines
3.3 KiB
HTML
90 lines
3.3 KiB
HTML
<!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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<title>Level2 decrypt challenge</title>
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<link rel="stylesheet" href="theme/bootstrap.css" media="screen">
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<link rel="stylesheet" href="theme/usebootstrap.css">
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<link rel="stylesheet" href="theme/css.css">
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<!-- HTML5 shim and Respond.js IE8 support of HTML5 elements and media queries -->
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<!--[if lt IE 9]>
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<script src="bootstrap/html5shiv.js"></script>
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<script src="bootstrap/respond.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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<div class="page-header" id="banner">
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<div class="row">
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<div class="col-lg-6 col-lg-offset-6" id="mainDiv">
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<h1>Welcome to syn2cat decrypt challenge</h1>
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<form class="bs-component">
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<div class="form-group">
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<label class="control-label" for="enc">Encrypted message</label>
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<input class="form-control" id="enc" type="text" placeholder="Mffmow mf pmiz!">
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</div>
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<div class="form-group">
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<label class="control-label" for="dec">Decrypted message</label>
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<input class="form-control" id="dec" type="text" value="">
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</div>
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<div class="form-group">
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<div class="col-lg-10 col-lg-offset-2 pull-right">
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<button id="decBtn" type="submit" class="btn btn-primary">Submit</button>
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</div>
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</div>
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</form>
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This page made by <a href=https://syn2cat.lu/>Syn2Cat</a>, the a.s.b.l. running the <a href=https://level2.lu/>Level2</a> hackerspace.
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</div>
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</div>
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</div>
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</div>
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<script src="https://code.jquery.com/jquery-1.10.2.min.js"></script>
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<script src="bootstrap/bootstrap.min.js"></script>
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<script src="bootstrap/usebootstrap.js"></script>
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<script>
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var caesarShift = function(str, amount) {
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if (amount < 0)
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return caesarShift(str, amount + 26);
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var output = '';
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for (var i = 0; i < str.length; i ++) {
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var c = str[i];
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if (c.match(/[a-z]/i)) {
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var code = str.charCodeAt(i);
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if ((code >= 65) && (code <= 90))
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c = String.fromCharCode(((code - 65 + amount) % 26) + 65);
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else if ((code >= 97) && (code <= 122))
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c = String.fromCharCode(((code - 97 + amount) % 26) + 97);
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}
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output += c;
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}
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return output;
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};
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$( document ).ready(function() {
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$("#decBtn").click(function( event ) {
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event.preventDefault();
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var enc = $("#enc").val();
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var dec = $("#dec").val();
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var result = "";//caesarShift(enc,-12);
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var succeed = false;
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for (var i = 1; i <26; i++)
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{
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result = caesarShift(enc,i);
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if (result === dec){
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$("#mainDiv").empty().append("<h1 class='text-success'>Congratulations, you made it!</h1><h3><a href='./index.html'>click here to<br>Try another code</a></h3>");
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succeed = true;
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}
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if (!succeed)
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$("#mainDiv").empty().append("<h1 class='text-danger'>Sorry, you didn't succeed</h1><h3><a href='./index.html'>click here to<br>Try again</a></h3>");
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}
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});
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});
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</script>
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</body>
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</html>
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