framedescriptors.js

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var chrsz   = 8;  /* bits per input character. 8 - ASCII; 16 - Unicode      */

function hex_md5(s){ return binl2hex(core_md5(str2binl(s), s.length * chrsz));}

function core_md5(x, len) {

    var a =  1732584193;

    var b = -271733879;

    var c = -1732584194;

    var d =  271733878;

    for(var i = 0; i < x.length; i += 16)

        c = md5_ff(c, d, a, b, x[i+ 6], 17, -1473231341);

function md5_cmn(q, a, b, x, s, t) {

    return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s),b);

function md5_ff(a, b, c, d, x, s, t) {

    return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);

function safe_add(x, y) {

    var lsw = (x & 0xFFFF) + (y & 0xFFFF);

    var msw = (x >> 16) + (y >> 16) + (lsw >> 16);

    return (msw << 16) | (lsw & 0xFFFF);

function bit_rol(num, cnt) {

    return (num << cnt) | (num >>> (32 - cnt));

function str2binl(str) {

    var bin = Array();

    var mask = (1 << chrsz) - 1;

    for(var i = 0; i < str.length * chrsz; i += chrsz)

        bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (i%32);

    return bin;

function binl2hex(binarray) {}

var plainText = "Rebellious subjects, enemies to peace,\n\

Throw your mistemper'd weapons to the ground,\n\

To know our further pleasure in this case,\n\

To old Free-town, our common judgment-place.\n\

Once more, on pain of death, all men depart."

for (var i = 0; i <4; i++)

    plainText += plainText;

var md5Output = hex_md5(plainText);