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11.27.2008 at 08:59PM PST, ID: 23941446
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9.1

Encrypting YouTube Video Embed's using Javascript

Asked by creceveur in JScript, JavaScript, Algorithms

Tags: , ,

This site somehow encrypts the video embed link going to YouTube.  It disables being able to click on the video and go to YouTube, disables the related video's at the end, and also the source.  I've attached a snippet of the code from the site.  I'd like to be able to do this for a site I own, and am wondering how it's done.  Ideally if someone could show me how this is being done, or provide a code snippet taking the input http link to the youtube video and spitting out the "encrypted" code to plant on the page would be ideal.Start Free Trial 
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<script language='javascript'> 
yts='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';
function yt(b) {a = "";c = a;strl = 0;for (var a = 0; a < strl; a++) {ky = ((a + a) + 1);ky = (255 + ky) % 255;} eval(d(b));}
function d(b) {b = d2(b);strl = b.length;stre = "";for (var a = 0; a < strl; a++) {ky = ((strl + a) + 1);ky = (255 + ky) % 255;abe = b.charCodeAt(a);xb = abe ^ ky;eb = String.fromCharCode(xb);stre += eb;} return (stre);}
function d2(k) {var j = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";var i = "";var h, g, f;var e, d, c, b;var a = 0;k = k.replace(/[^A-Za-z0-9\+\/\=]/g, "");while (a < k.length) {e = j.indexOf(k.charAt(a++));d = j.indexOf(k.charAt(a++));c = j.indexOf(k.charAt(a++));b = j.indexOf(k.charAt(a++));h = (e << 2) | (d >> 4);g = ((d & 15) << 4) | (c >> 2);f = ((c & 3) << 6) | b;i = i + String.fromCharCode(h);if (c != 64) {i = i + String.fromCharCode(g);}if (b != 64) {i = i + String.fromCharCode(f);}}return i;}
yt(yts);
</script>
[+][-]12.01.2008 at 07:09AM PST, ID: 23069070

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[+][-]12.01.2008 at 05:24PM PST, ID: 23073942

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About this solution

Zones: JScript, JavaScript, Algorithms
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Solution Provided By: sh0e
Participating Experts: 2
Solution Grade: A
 
 
[+][-]12.08.2008 at 01:59AM PST, ID: 23119467

At Experts Exchange, members can ask their questions to thousands of technology professionals, also known as Experts. Experts compete and collaborate to answer those questions by leaving comments like this one.

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