Crypto wrapper with Mcrypt ecncryption, like php.
For example:
require_once 'cryptun.php';
$cr = new cryptun;
var a = cr.en('Hello World!'); // dFUYCkTqDjt568L+bPfLmw==
var b = cr.de('dFUYCkTqDjt568L+bPfLmw=='); //Hello World!
console.log(a);
console.log(b);