2017-11-08 11:45:54 +01:00
<!DOCTYPE html>
< html lang = "en" >
< head >
< meta charset = "utf-8" >
< title > Level2 decrypt challenge< / title >
< meta name = "viewport" content = "width=device-width, initial-scale=1" >
< link rel = "stylesheet" href = "theme/bootstrap.css" media = "screen" >
< link rel = "stylesheet" href = "theme/usebootstrap.css" >
< link rel = "stylesheet" href = "theme/css.css" >
<!-- HTML5 shim and Respond.js IE8 support of HTML5 elements and media queries -->
<!-- [if lt IE 9]>
< script src = "bootstrap/html5shiv.js" > < / script >
< script src = "bootstrap/respond.min.js" > < / script >
<![endif]-->
< / head >
< body >
< div class = "wrap" >
< div class = "container" >
< div class = "page-header" id = "banner" >
< div class = "row" >
< div class = "col-lg-6 col-lg-offset-6" id = "mainDiv" >
< h1 > Welcome to syn2cat decrypt challenge< / h1 >
< form class = "bs-component" >
< div class = "form-group" >
< label class = "control-label" for = "enc" > Encrypted message< / label >
< input class = "form-control" id = "enc" type = "text" placeholder = "Mffmow mf pmiz!" >
< / div >
< div class = "form-group" >
< label class = "control-label" for = "dec" > Decrypted message< / label >
< input class = "form-control" id = "dec" type = "text" value = "" >
< / div >
< div class = "form-group" >
< div class = "col-lg-10 col-lg-offset-2 pull-right" >
< button id = "decBtn" type = "submit" class = "btn btn-primary" > Submit< / button >
< / div >
< / div >
< / form >
< / div >
< / div >
< / div >
< / div >
< / div >
< div class = "footer" >
< div class = "row" >
< div class = "col-lg-4 col-lg-offset-8" >
< p class = "text-muted credit" > 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.< / p >
< / div >
< / div >
< / div >
< script src = "https://code.jquery.com/jquery-1.10.2.min.js" > < / script >
< script src = "bootstrap/bootstrap.min.js" > < / script >
< script src = "bootstrap/usebootstrap.js" > < / script >
< script >
var caesarShift = function(str, amount) {
if (amount < 0 )
return caesarShift(str, amount + 26);
var output = '';
for (var i = 0; i < str.length ; i + + ) {
var c = str[i];
if (c.match(/[a-z]/i)) {
var code = str.charCodeAt(i);
if ((code >= 65) & & (code < = 90))
c = String.fromCharCode(((code - 65 + amount) % 26) + 65);
else if ((code >= 97) & & (code < = 122))
c = String.fromCharCode(((code - 97 + amount) % 26) + 97);
}
output += c;
}
return output;
};
$(document).ready(function() {
$("#decBtn").click(function(event) {
event.preventDefault();
var enc = $("#enc").val();
var dec = $("#dec").val();
var result = ""; //caesarShift(enc,-12);
var succeed = false;
for (var i = 1; i < 26 ; i + + ) {
result = caesarShift(enc, i);
if (result === dec) {
$("#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 > ");
succeed = true;
}
if (!succeed)
$("#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 > ");
}
});
});
< / script >
< / body >
< / html >
