crypto-js/sha512.js

;(function (root, factory, undef) {
	if (typeof exports === "object") {
		// CommonJS
		module.exports = exports = factory(require("./core"), require("./x64-core"));
	}
	else if (typeof define === "function" && define.amd) {
		// AMD
		define(["./core", "./x64-core"], factory);
	}
	else {
		// Global (browser)
		factory(root.CryptoJS);
	}
}(this, function (CryptoJS) {

	(function () {
	    // Shortcuts
	    var C = CryptoJS;
	    var C_lib = C.lib;
	    var Hasher = C_lib.Hasher;
	    var C_x64 = C.x64;
	    var X64Word = C_x64.Word;
	    var X64WordArray = C_x64.WordArray;
	    var C_algo = C.algo;

	    function X64Word_create() {
	        return X64Word.create.apply(X64Word, arguments);
	    }

	    // Constants
	    var K = [
	        X64Word_create(0x428a2f98, 0xd728ae22), X64Word_create(0x71374491, 0x23ef65cd),
	        X64Word_create(0xb5c0fbcf, 0xec4d3b2f), X64Word_create(0xe9b5dba5, 0x8189dbbc),
	        X64Word_create(0x3956c25b, 0xf348b538), X64Word_create(0x59f111f1, 0xb605d019),
	        X64Word_create(0x923f82a4, 0xaf194f9b), X64Word_create(0xab1c5ed5, 0xda6d8118),
	        X64Word_create(0xd807aa98, 0xa3030242), X64Word_create(0x12835b01, 0x45706fbe),
	        X64Word_create(0x243185be, 0x4ee4b28c), X64Word_create(0x550c7dc3, 0xd5ffb4e2),
	        X64Word_create(0x72be5d74, 0xf27b896f), X64Word_create(0x80deb1fe, 0x3b1696b1),
	        X64Word_create(0x9bdc06a7, 0x25c71235), X64Word_create(0xc19bf174, 0xcf692694),
	        X64Word_create(0xe49b69c1, 0x9ef14ad2), X64Word_create(0xefbe4786, 0x384f25e3),
	        X64Word_create(0x0fc19dc6, 0x8b8cd5b5), X64Word_create(0x240ca1cc, 0x77ac9c65),
	        X64Word_create(0x2de92c6f, 0x592b0275), X64Word_create(0x4a7484aa, 0x6ea6e483),
	        X64Word_create(0x5cb0a9dc, 0xbd41fbd4), X64Word_create(0x76f988da, 0x831153b5),
	        X64Word_create(0x983e5152, 0xee66dfab), X64Word_create(0xa831c66d, 0x2db43210),
	        X64Word_create(0xb00327c8, 0x98fb213f), X64Word_create(0xbf597fc7, 0xbeef0ee4),
	        X64Word_create(0xc6e00bf3, 0x3da88fc2), X64Word_create(0xd5a79147, 0x930aa725),
	        X64Word_create(0x06ca6351, 0xe003826f), X64Word_create(0x14292967, 0x0a0e6e70),
	        X64Word_create(0x27b70a85, 0x46d22ffc), X64Word_create(0x2e1b2138, 0x5c26c926),
	        X64Word_create(0x4d2c6dfc, 0x5ac42aed), X64Word_create(0x53380d13, 0x9d95b3df),
	        X64Word_create(0x650a7354, 0x8baf63de), X64Word_create(0x766a0abb, 0x3c77b2a8),
	        X64Word_create(0x81c2c92e, 0x47edaee6), X64Word_create(0x92722c85, 0x1482353b),
	        X64Word_create(0xa2bfe8a1, 0x4cf10364), X64Word_create(0xa81a664b, 0xbc423001),
	        X64Word_create(0xc24b8b70, 0xd0f89791), X64Word_create(0xc76c51a3, 0x0654be30),
	        X64Word_create(0xd192e819, 0xd6ef5218), X64Word_create(0xd6990624, 0x5565a910),
	        X64Word_create(0xf40e3585, 0x5771202a), X64Word_create(0x106aa070, 0x32bbd1b8),
	        X64Word_create(0x19a4c116, 0xb8d2d0c8), X64Word_create(0x1e376c08, 0x5141ab53),
	        X64Word_create(0x2748774c, 0xdf8eeb99), X64Word_create(0x34b0bcb5, 0xe19b48a8),
	        X64Word_create(0x391c0cb3, 0xc5c95a63), X64Word_create(0x4ed8aa4a, 0xe3418acb),
	        X64Word_create(0x5b9cca4f, 0x7763e373), X64Word_create(0x682e6ff3, 0xd6b2b8a3),
	        X64Word_create(0x748f82ee, 0x5defb2fc), X64Word_create(0x78a5636f, 0x43172f60),
	        X64Word_create(0x84c87814, 0xa1f0ab72), X64Word_create(0x8cc70208, 0x1a6439ec),
	        X64Word_create(0x90befffa, 0x23631e28), X64Word_create(0xa4506ceb, 0xde82bde9),
	        X64Word_create(0xbef9a3f7, 0xb2c67915), X64Word_create(0xc67178f2, 0xe372532b),
	        X64Word_create(0xca273ece, 0xea26619c), X64Word_create(0xd186b8c7, 0x21c0c207),
	        X64Word_create(0xeada7dd6, 0xcde0eb1e), X64Word_create(0xf57d4f7f, 0xee6ed178),
	        X64Word_create(0x06f067aa, 0x72176fba), X64Word_create(0x0a637dc5, 0xa2c898a6),
	        X64Word_create(0x113f9804, 0xbef90dae), X64Word_create(0x1b710b35, 0x131c471b),
	        X64Word_create(0x28db77f5, 0x23047d84), X64Word_create(0x32caab7b, 0x40c72493),
	        X64Word_create(0x3c9ebe0a, 0x15c9bebc), X64Word_create(0x431d67c4, 0x9c100d4c),
	        X64Word_create(0x4cc5d4be, 0xcb3e42b6), X64Word_create(0x597f299c, 0xfc657e2a),
	        X64Word_create(0x5fcb6fab, 0x3ad6faec), X64Word_create(0x6c44198c, 0x4a475817)
	    ];

	    // Reusable objects
	    var W = [];
	    (function () {
	        for (var i = 0; i < 80; i++) {
	            W[i] = X64Word_create();
	        }
	    }());

	    /**
	     * SHA-512 hash algorithm.
	     */
	    var SHA512 = C_algo.SHA512 = Hasher.extend({
	        _doReset: function () {
	            this._hash = new X64WordArray.init([
	                new X64Word.init(0x6a09e667, 0xf3bcc908), new X64Word.init(0xbb67ae85, 0x84caa73b),
	                new X64Word.init(0x3c6ef372, 0xfe94f82b), new X64Word.init(0xa54ff53a, 0x5f1d36f1),
	                new X64Word.init(0x510e527f, 0xade682d1), new X64Word.init(0x9b05688c, 0x2b3e6c1f),
	                new X64Word.init(0x1f83d9ab, 0xfb41bd6b), new X64Word.init(0x5be0cd19, 0x137e2179)
	            ]);
	        },

	        _doProcessBlock: function (M, offset) {
	            // Shortcuts
	            var H = this._hash.words;

	            var H0 = H[0];
	            var H1 = H[1];
	            var H2 = H[2];
	            var H3 = H[3];
	            var H4 = H[4];
	            var H5 = H[5];
	            var H6 = H[6];
	            var H7 = H[7];

	            var H0h = H0.high;
	            var H0l = H0.low;
	            var H1h = H1.high;
	            var H1l = H1.low;
	            var H2h = H2.high;
	            var H2l = H2.low;
	            var H3h = H3.high;
	            var H3l = H3.low;
	            var H4h = H4.high;
	            var H4l = H4.low;
	            var H5h = H5.high;
	            var H5l = H5.low;
	            var H6h = H6.high;
	            var H6l = H6.low;
	            var H7h = H7.high;
	            var H7l = H7.low;

	            // Working variables
	            var ah = H0h;
	            var al = H0l;
	            var bh = H1h;
	            var bl = H1l;
	            var ch = H2h;
	            var cl = H2l;
	            var dh = H3h;
	            var dl = H3l;
	            var eh = H4h;
	            var el = H4l;
	            var fh = H5h;
	            var fl = H5l;
	            var gh = H6h;
	            var gl = H6l;
	            var hh = H7h;
	            var hl = H7l;

	            // Rounds
	            for (var i = 0; i < 80; i++) {
	                var Wil;
	                var Wih;

	                // Shortcut
	                var Wi = W[i];

	                // Extend message
	                if (i < 16) {
	                    Wih = Wi.high = M[offset + i * 2]     | 0;
	                    Wil = Wi.low  = M[offset + i * 2 + 1] | 0;
	                } else {
	                    // Gamma0
	                    var gamma0x  = W[i - 15];
	                    var gamma0xh = gamma0x.high;
	                    var gamma0xl = gamma0x.low;
	                    var gamma0h  = ((gamma0xh >>> 1) | (gamma0xl << 31)) ^ ((gamma0xh >>> 8) | (gamma0xl << 24)) ^ (gamma0xh >>> 7);
	                    var gamma0l  = ((gamma0xl >>> 1) | (gamma0xh << 31)) ^ ((gamma0xl >>> 8) | (gamma0xh << 24)) ^ ((gamma0xl >>> 7) | (gamma0xh << 25));

	                    // Gamma1
	                    var gamma1x  = W[i - 2];
	                    var gamma1xh = gamma1x.high;
	                    var gamma1xl = gamma1x.low;
	                    var gamma1h  = ((gamma1xh >>> 19) | (gamma1xl << 13)) ^ ((gamma1xh << 3) | (gamma1xl >>> 29)) ^ (gamma1xh >>> 6);
	                    var gamma1l  = ((gamma1xl >>> 19) | (gamma1xh << 13)) ^ ((gamma1xl << 3) | (gamma1xh >>> 29)) ^ ((gamma1xl >>> 6) | (gamma1xh << 26));

	                    // W[i] = gamma0 + W[i - 7] + gamma1 + W[i - 16]
	                    var Wi7  = W[i - 7];
	                    var Wi7h = Wi7.high;
	                    var Wi7l = Wi7.low;

	                    var Wi16  = W[i - 16];
	                    var Wi16h = Wi16.high;
	                    var Wi16l = Wi16.low;

	                    Wil = gamma0l + Wi7l;
	                    Wih = gamma0h + Wi7h + ((Wil >>> 0) < (gamma0l >>> 0) ? 1 : 0);
	                    Wil = Wil + gamma1l;
	                    Wih = Wih + gamma1h + ((Wil >>> 0) < (gamma1l >>> 0) ? 1 : 0);
	                    Wil = Wil + Wi16l;
	                    Wih = Wih + Wi16h + ((Wil >>> 0) < (Wi16l >>> 0) ? 1 : 0);

	                    Wi.high = Wih;
	                    Wi.low  = Wil;
	                }

	                var chh  = (eh & fh) ^ (~eh & gh);
	                var chl  = (el & fl) ^ (~el & gl);
	                var majh = (ah & bh) ^ (ah & ch) ^ (bh & ch);
	                var majl = (al & bl) ^ (al & cl) ^ (bl & cl);

	                var sigma0h = ((ah >>> 28) | (al << 4))  ^ ((ah << 30)  | (al >>> 2)) ^ ((ah << 25) | (al >>> 7));
	                var sigma0l = ((al >>> 28) | (ah << 4))  ^ ((al << 30)  | (ah >>> 2)) ^ ((al << 25) | (ah >>> 7));
	                var sigma1h = ((eh >>> 14) | (el << 18)) ^ ((eh >>> 18) | (el << 14)) ^ ((eh << 23) | (el >>> 9));
	                var sigma1l = ((el >>> 14) | (eh << 18)) ^ ((el >>> 18) | (eh << 14)) ^ ((el << 23) | (eh >>> 9));

	                // t1 = h + sigma1 + ch + K[i] + W[i]
	                var Ki  = K[i];
	                var Kih = Ki.high;
	                var Kil = Ki.low;

	                var t1l = hl + sigma1l;
	                var t1h = hh + sigma1h + ((t1l >>> 0) < (hl >>> 0) ? 1 : 0);
	                var t1l = t1l + chl;
	                var t1h = t1h + chh + ((t1l >>> 0) < (chl >>> 0) ? 1 : 0);
	                var t1l = t1l + Kil;
	                var t1h = t1h + Kih + ((t1l >>> 0) < (Kil >>> 0) ? 1 : 0);
	                var t1l = t1l + Wil;
	                var t1h = t1h + Wih + ((t1l >>> 0) < (Wil >>> 0) ? 1 : 0);

	                // t2 = sigma0 + maj
	                var t2l = sigma0l + majl;
	                var t2h = sigma0h + majh + ((t2l >>> 0) < (sigma0l >>> 0) ? 1 : 0);

	                // Update working variables
	                hh = gh;
	                hl = gl;
	                gh = fh;
	                gl = fl;
	                fh = eh;
	                fl = el;
	                el = (dl + t1l) | 0;
	                eh = (dh + t1h + ((el >>> 0) < (dl >>> 0) ? 1 : 0)) | 0;
	                dh = ch;
	                dl = cl;
	                ch = bh;
	                cl = bl;
	                bh = ah;
	                bl = al;
	                al = (t1l + t2l) | 0;
	                ah = (t1h + t2h + ((al >>> 0) < (t1l >>> 0) ? 1 : 0)) | 0;
	            }

	            // Intermediate hash value
	            H0l = H0.low  = (H0l + al);
	            H0.high = (H0h + ah + ((H0l >>> 0) < (al >>> 0) ? 1 : 0));
	            H1l = H1.low  = (H1l + bl);
	            H1.high = (H1h + bh + ((H1l >>> 0) < (bl >>> 0) ? 1 : 0));
	            H2l = H2.low  = (H2l + cl);
	            H2.high = (H2h + ch + ((H2l >>> 0) < (cl >>> 0) ? 1 : 0));
	            H3l = H3.low  = (H3l + dl);
	            H3.high = (H3h + dh + ((H3l >>> 0) < (dl >>> 0) ? 1 : 0));
	            H4l = H4.low  = (H4l + el);
	            H4.high = (H4h + eh + ((H4l >>> 0) < (el >>> 0) ? 1 : 0));
	            H5l = H5.low  = (H5l + fl);
	            H5.high = (H5h + fh + ((H5l >>> 0) < (fl >>> 0) ? 1 : 0));
	            H6l = H6.low  = (H6l + gl);
	            H6.high = (H6h + gh + ((H6l >>> 0) < (gl >>> 0) ? 1 : 0));
	            H7l = H7.low  = (H7l + hl);
	            H7.high = (H7h + hh + ((H7l >>> 0) < (hl >>> 0) ? 1 : 0));
	        },

	        _doFinalize: function () {
	            // Shortcuts
	            var data = this._data;
	            var dataWords = data.words;

	            var nBitsTotal = this._nDataBytes * 8;
	            var nBitsLeft = data.sigBytes * 8;

	            // Add padding
	            dataWords[nBitsLeft >>> 5] |= 0x80 << (24 - nBitsLeft % 32);
	            dataWords[(((nBitsLeft + 128) >>> 10) << 5) + 30] = Math.floor(nBitsTotal / 0x100000000);
	            dataWords[(((nBitsLeft + 128) >>> 10) << 5) + 31] = nBitsTotal;
	            data.sigBytes = dataWords.length * 4;

	            // Hash final blocks
	            this._process();

	            // Convert hash to 32-bit word array before returning
	            var hash = this._hash.toX32();

	            // Return final computed hash
	            return hash;
	        },

	        clone: function () {
	            var clone = Hasher.clone.call(this);
	            clone._hash = this._hash.clone();

	            return clone;
	        },

	        blockSize: 1024/32
	    });

	    /**
	     * Shortcut function to the hasher's object interface.
	     *
	     * @param {WordArray|string} message The message to hash.
	     *
	     * @return {WordArray} The hash.
	     *
	     * @static
	     *
	     * @example
	     *
	     *     var hash = CryptoJS.SHA512('message');
	     *     var hash = CryptoJS.SHA512(wordArray);
	     */
	    C.SHA512 = Hasher._createHelper(SHA512);

	    /**
	     * Shortcut function to the HMAC's object interface.
	     *
	     * @param {WordArray|string} message The message to hash.
	     * @param {WordArray|string} key The secret key.
	     *
	     * @return {WordArray} The HMAC.
	     *
	     * @static
	     *
	     * @example
	     *
	     *     var hmac = CryptoJS.HmacSHA512(message, key);
	     */
	    C.HmacSHA512 = Hasher._createHmacHelper(SHA512);
	}());


	return CryptoJS.SHA512;

}));