| 'use strict'; |
| |
| var utils = require('../utils'); |
| var common = require('../common'); |
| var assert = require('minimalistic-assert'); |
| |
| var rotr64_hi = utils.rotr64_hi; |
| var rotr64_lo = utils.rotr64_lo; |
| var shr64_hi = utils.shr64_hi; |
| var shr64_lo = utils.shr64_lo; |
| var sum64 = utils.sum64; |
| var sum64_hi = utils.sum64_hi; |
| var sum64_lo = utils.sum64_lo; |
| var sum64_4_hi = utils.sum64_4_hi; |
| var sum64_4_lo = utils.sum64_4_lo; |
| var sum64_5_hi = utils.sum64_5_hi; |
| var sum64_5_lo = utils.sum64_5_lo; |
| |
| var BlockHash = common.BlockHash; |
| |
| var sha512_K = [ |
| 0x428a2f98, 0xd728ae22, 0x71374491, 0x23ef65cd, |
| 0xb5c0fbcf, 0xec4d3b2f, 0xe9b5dba5, 0x8189dbbc, |
| 0x3956c25b, 0xf348b538, 0x59f111f1, 0xb605d019, |
| 0x923f82a4, 0xaf194f9b, 0xab1c5ed5, 0xda6d8118, |
| 0xd807aa98, 0xa3030242, 0x12835b01, 0x45706fbe, |
| 0x243185be, 0x4ee4b28c, 0x550c7dc3, 0xd5ffb4e2, |
| 0x72be5d74, 0xf27b896f, 0x80deb1fe, 0x3b1696b1, |
| 0x9bdc06a7, 0x25c71235, 0xc19bf174, 0xcf692694, |
| 0xe49b69c1, 0x9ef14ad2, 0xefbe4786, 0x384f25e3, |
| 0x0fc19dc6, 0x8b8cd5b5, 0x240ca1cc, 0x77ac9c65, |
| 0x2de92c6f, 0x592b0275, 0x4a7484aa, 0x6ea6e483, |
| 0x5cb0a9dc, 0xbd41fbd4, 0x76f988da, 0x831153b5, |
| 0x983e5152, 0xee66dfab, 0xa831c66d, 0x2db43210, |
| 0xb00327c8, 0x98fb213f, 0xbf597fc7, 0xbeef0ee4, |
| 0xc6e00bf3, 0x3da88fc2, 0xd5a79147, 0x930aa725, |
| 0x06ca6351, 0xe003826f, 0x14292967, 0x0a0e6e70, |
| 0x27b70a85, 0x46d22ffc, 0x2e1b2138, 0x5c26c926, |
| 0x4d2c6dfc, 0x5ac42aed, 0x53380d13, 0x9d95b3df, |
| 0x650a7354, 0x8baf63de, 0x766a0abb, 0x3c77b2a8, |
| 0x81c2c92e, 0x47edaee6, 0x92722c85, 0x1482353b, |
| 0xa2bfe8a1, 0x4cf10364, 0xa81a664b, 0xbc423001, |
| 0xc24b8b70, 0xd0f89791, 0xc76c51a3, 0x0654be30, |
| 0xd192e819, 0xd6ef5218, 0xd6990624, 0x5565a910, |
| 0xf40e3585, 0x5771202a, 0x106aa070, 0x32bbd1b8, |
| 0x19a4c116, 0xb8d2d0c8, 0x1e376c08, 0x5141ab53, |
| 0x2748774c, 0xdf8eeb99, 0x34b0bcb5, 0xe19b48a8, |
| 0x391c0cb3, 0xc5c95a63, 0x4ed8aa4a, 0xe3418acb, |
| 0x5b9cca4f, 0x7763e373, 0x682e6ff3, 0xd6b2b8a3, |
| 0x748f82ee, 0x5defb2fc, 0x78a5636f, 0x43172f60, |
| 0x84c87814, 0xa1f0ab72, 0x8cc70208, 0x1a6439ec, |
| 0x90befffa, 0x23631e28, 0xa4506ceb, 0xde82bde9, |
| 0xbef9a3f7, 0xb2c67915, 0xc67178f2, 0xe372532b, |
| 0xca273ece, 0xea26619c, 0xd186b8c7, 0x21c0c207, |
| 0xeada7dd6, 0xcde0eb1e, 0xf57d4f7f, 0xee6ed178, |
| 0x06f067aa, 0x72176fba, 0x0a637dc5, 0xa2c898a6, |
| 0x113f9804, 0xbef90dae, 0x1b710b35, 0x131c471b, |
| 0x28db77f5, 0x23047d84, 0x32caab7b, 0x40c72493, |
| 0x3c9ebe0a, 0x15c9bebc, 0x431d67c4, 0x9c100d4c, |
| 0x4cc5d4be, 0xcb3e42b6, 0x597f299c, 0xfc657e2a, |
| 0x5fcb6fab, 0x3ad6faec, 0x6c44198c, 0x4a475817 |
| ]; |
| |
| function SHA512() { |
| if (!(this instanceof SHA512)) |
| return new SHA512(); |
| |
| BlockHash.call(this); |
| this.h = [ |
| 0x6a09e667, 0xf3bcc908, |
| 0xbb67ae85, 0x84caa73b, |
| 0x3c6ef372, 0xfe94f82b, |
| 0xa54ff53a, 0x5f1d36f1, |
| 0x510e527f, 0xade682d1, |
| 0x9b05688c, 0x2b3e6c1f, |
| 0x1f83d9ab, 0xfb41bd6b, |
| 0x5be0cd19, 0x137e2179 ]; |
| this.k = sha512_K; |
| this.W = new Array(160); |
| } |
| utils.inherits(SHA512, BlockHash); |
| module.exports = SHA512; |
| |
| SHA512.blockSize = 1024; |
| SHA512.outSize = 512; |
| SHA512.hmacStrength = 192; |
| SHA512.padLength = 128; |
| |
| SHA512.prototype._prepareBlock = function _prepareBlock(msg, start) { |
| var W = this.W; |
| |
| // 32 x 32bit words |
| for (var i = 0; i < 32; i++) |
| W[i] = msg[start + i]; |
| for (; i < W.length; i += 2) { |
| var c0_hi = g1_512_hi(W[i - 4], W[i - 3]); // i - 2 |
| var c0_lo = g1_512_lo(W[i - 4], W[i - 3]); |
| var c1_hi = W[i - 14]; // i - 7 |
| var c1_lo = W[i - 13]; |
| var c2_hi = g0_512_hi(W[i - 30], W[i - 29]); // i - 15 |
| var c2_lo = g0_512_lo(W[i - 30], W[i - 29]); |
| var c3_hi = W[i - 32]; // i - 16 |
| var c3_lo = W[i - 31]; |
| |
| W[i] = sum64_4_hi( |
| c0_hi, c0_lo, |
| c1_hi, c1_lo, |
| c2_hi, c2_lo, |
| c3_hi, c3_lo); |
| W[i + 1] = sum64_4_lo( |
| c0_hi, c0_lo, |
| c1_hi, c1_lo, |
| c2_hi, c2_lo, |
| c3_hi, c3_lo); |
| } |
| }; |
| |
| SHA512.prototype._update = function _update(msg, start) { |
| this._prepareBlock(msg, start); |
| |
| var W = this.W; |
| |
| var ah = this.h[0]; |
| var al = this.h[1]; |
| var bh = this.h[2]; |
| var bl = this.h[3]; |
| var ch = this.h[4]; |
| var cl = this.h[5]; |
| var dh = this.h[6]; |
| var dl = this.h[7]; |
| var eh = this.h[8]; |
| var el = this.h[9]; |
| var fh = this.h[10]; |
| var fl = this.h[11]; |
| var gh = this.h[12]; |
| var gl = this.h[13]; |
| var hh = this.h[14]; |
| var hl = this.h[15]; |
| |
| assert(this.k.length === W.length); |
| for (var i = 0; i < W.length; i += 2) { |
| var c0_hi = hh; |
| var c0_lo = hl; |
| var c1_hi = s1_512_hi(eh, el); |
| var c1_lo = s1_512_lo(eh, el); |
| var c2_hi = ch64_hi(eh, el, fh, fl, gh, gl); |
| var c2_lo = ch64_lo(eh, el, fh, fl, gh, gl); |
| var c3_hi = this.k[i]; |
| var c3_lo = this.k[i + 1]; |
| var c4_hi = W[i]; |
| var c4_lo = W[i + 1]; |
| |
| var T1_hi = sum64_5_hi( |
| c0_hi, c0_lo, |
| c1_hi, c1_lo, |
| c2_hi, c2_lo, |
| c3_hi, c3_lo, |
| c4_hi, c4_lo); |
| var T1_lo = sum64_5_lo( |
| c0_hi, c0_lo, |
| c1_hi, c1_lo, |
| c2_hi, c2_lo, |
| c3_hi, c3_lo, |
| c4_hi, c4_lo); |
| |
| c0_hi = s0_512_hi(ah, al); |
| c0_lo = s0_512_lo(ah, al); |
| c1_hi = maj64_hi(ah, al, bh, bl, ch, cl); |
| c1_lo = maj64_lo(ah, al, bh, bl, ch, cl); |
| |
| var T2_hi = sum64_hi(c0_hi, c0_lo, c1_hi, c1_lo); |
| var T2_lo = sum64_lo(c0_hi, c0_lo, c1_hi, c1_lo); |
| |
| hh = gh; |
| hl = gl; |
| |
| gh = fh; |
| gl = fl; |
| |
| fh = eh; |
| fl = el; |
| |
| eh = sum64_hi(dh, dl, T1_hi, T1_lo); |
| el = sum64_lo(dl, dl, T1_hi, T1_lo); |
| |
| dh = ch; |
| dl = cl; |
| |
| ch = bh; |
| cl = bl; |
| |
| bh = ah; |
| bl = al; |
| |
| ah = sum64_hi(T1_hi, T1_lo, T2_hi, T2_lo); |
| al = sum64_lo(T1_hi, T1_lo, T2_hi, T2_lo); |
| } |
| |
| sum64(this.h, 0, ah, al); |
| sum64(this.h, 2, bh, bl); |
| sum64(this.h, 4, ch, cl); |
| sum64(this.h, 6, dh, dl); |
| sum64(this.h, 8, eh, el); |
| sum64(this.h, 10, fh, fl); |
| sum64(this.h, 12, gh, gl); |
| sum64(this.h, 14, hh, hl); |
| }; |
| |
| SHA512.prototype._digest = function digest(enc) { |
| if (enc === 'hex') |
| return utils.toHex32(this.h, 'big'); |
| else |
| return utils.split32(this.h, 'big'); |
| }; |
| |
| function ch64_hi(xh, xl, yh, yl, zh) { |
| var r = (xh & yh) ^ ((~xh) & zh); |
| if (r < 0) |
| r += 0x100000000; |
| return r; |
| } |
| |
| function ch64_lo(xh, xl, yh, yl, zh, zl) { |
| var r = (xl & yl) ^ ((~xl) & zl); |
| if (r < 0) |
| r += 0x100000000; |
| return r; |
| } |
| |
| function maj64_hi(xh, xl, yh, yl, zh) { |
| var r = (xh & yh) ^ (xh & zh) ^ (yh & zh); |
| if (r < 0) |
| r += 0x100000000; |
| return r; |
| } |
| |
| function maj64_lo(xh, xl, yh, yl, zh, zl) { |
| var r = (xl & yl) ^ (xl & zl) ^ (yl & zl); |
| if (r < 0) |
| r += 0x100000000; |
| return r; |
| } |
| |
| function s0_512_hi(xh, xl) { |
| var c0_hi = rotr64_hi(xh, xl, 28); |
| var c1_hi = rotr64_hi(xl, xh, 2); // 34 |
| var c2_hi = rotr64_hi(xl, xh, 7); // 39 |
| |
| var r = c0_hi ^ c1_hi ^ c2_hi; |
| if (r < 0) |
| r += 0x100000000; |
| return r; |
| } |
| |
| function s0_512_lo(xh, xl) { |
| var c0_lo = rotr64_lo(xh, xl, 28); |
| var c1_lo = rotr64_lo(xl, xh, 2); // 34 |
| var c2_lo = rotr64_lo(xl, xh, 7); // 39 |
| |
| var r = c0_lo ^ c1_lo ^ c2_lo; |
| if (r < 0) |
| r += 0x100000000; |
| return r; |
| } |
| |
| function s1_512_hi(xh, xl) { |
| var c0_hi = rotr64_hi(xh, xl, 14); |
| var c1_hi = rotr64_hi(xh, xl, 18); |
| var c2_hi = rotr64_hi(xl, xh, 9); // 41 |
| |
| var r = c0_hi ^ c1_hi ^ c2_hi; |
| if (r < 0) |
| r += 0x100000000; |
| return r; |
| } |
| |
| function s1_512_lo(xh, xl) { |
| var c0_lo = rotr64_lo(xh, xl, 14); |
| var c1_lo = rotr64_lo(xh, xl, 18); |
| var c2_lo = rotr64_lo(xl, xh, 9); // 41 |
| |
| var r = c0_lo ^ c1_lo ^ c2_lo; |
| if (r < 0) |
| r += 0x100000000; |
| return r; |
| } |
| |
| function g0_512_hi(xh, xl) { |
| var c0_hi = rotr64_hi(xh, xl, 1); |
| var c1_hi = rotr64_hi(xh, xl, 8); |
| var c2_hi = shr64_hi(xh, xl, 7); |
| |
| var r = c0_hi ^ c1_hi ^ c2_hi; |
| if (r < 0) |
| r += 0x100000000; |
| return r; |
| } |
| |
| function g0_512_lo(xh, xl) { |
| var c0_lo = rotr64_lo(xh, xl, 1); |
| var c1_lo = rotr64_lo(xh, xl, 8); |
| var c2_lo = shr64_lo(xh, xl, 7); |
| |
| var r = c0_lo ^ c1_lo ^ c2_lo; |
| if (r < 0) |
| r += 0x100000000; |
| return r; |
| } |
| |
| function g1_512_hi(xh, xl) { |
| var c0_hi = rotr64_hi(xh, xl, 19); |
| var c1_hi = rotr64_hi(xl, xh, 29); // 61 |
| var c2_hi = shr64_hi(xh, xl, 6); |
| |
| var r = c0_hi ^ c1_hi ^ c2_hi; |
| if (r < 0) |
| r += 0x100000000; |
| return r; |
| } |
| |
| function g1_512_lo(xh, xl) { |
| var c0_lo = rotr64_lo(xh, xl, 19); |
| var c1_lo = rotr64_lo(xl, xh, 29); // 61 |
| var c2_lo = shr64_lo(xh, xl, 6); |
| |
| var r = c0_lo ^ c1_lo ^ c2_lo; |
| if (r < 0) |
| r += 0x100000000; |
| return r; |
| } |