src/ZKEACMS.WebHost/wwwroot/lib/CryptoJS/components/sha256.js

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/*
CryptoJS v3.1.2
code.google.com/p/crypto-js
(c) 2009-2013 by Jeff Mott. All rights reserved.
code.google.com/p/crypto-js/wiki/License
*/
(function (Math) {
    // Shortcuts
    var C = CryptoJS;
    var C_lib = C.lib;
    var WordArray = C_lib.WordArray;
    var Hasher = C_lib.Hasher;
    var C_algo = C.algo;

    // Initialization and round constants tables
    var H = [];
    var K = [];

    // Compute constants
    (function () {
        function isPrime(n) {
            var sqrtN = Math.sqrt(n);
            for (var factor = 2; factor <= sqrtN; factor++) {
                if (!(n % factor)) {
                    return false;
                }
            }

            return true;
        }

        function getFractionalBits(n) {
            return ((n - (n | 0)) * 0x100000000) | 0;
        }

        var n = 2;
        var nPrime = 0;
        while (nPrime < 64) {
            if (isPrime(n)) {
                if (nPrime < 8) {
                    H[nPrime] = getFractionalBits(Math.pow(n, 1 / 2));
                }
                K[nPrime] = getFractionalBits(Math.pow(n, 1 / 3));

                nPrime++;
            }

            n++;
        }
    }());

    // Reusable object
    var W = [];

    /**
     * SHA-256 hash algorithm.
     */
    var SHA256 = C_algo.SHA256 = Hasher.extend({
        _doReset: function () {
            this._hash = new WordArray.init(H.slice(0));