import { Hasher } from './core.js';
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import {
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X64Word,
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X64WordArray,
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} from './x64-core.js';
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// Constants
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const K = [
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new X64Word(0x428a2f98, 0xd728ae22),
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new X64Word(0x71374491, 0x23ef65cd),
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new X64Word(0xb5c0fbcf, 0xec4d3b2f),
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new X64Word(0xe9b5dba5, 0x8189dbbc),
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new X64Word(0x3956c25b, 0xf348b538),
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new X64Word(0x59f111f1, 0xb605d019),
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new X64Word(0x923f82a4, 0xaf194f9b),
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new X64Word(0xab1c5ed5, 0xda6d8118),
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new X64Word(0xd807aa98, 0xa3030242),
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new X64Word(0x12835b01, 0x45706fbe),
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new X64Word(0x243185be, 0x4ee4b28c),
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new X64Word(0x550c7dc3, 0xd5ffb4e2),
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new X64Word(0x72be5d74, 0xf27b896f),
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new X64Word(0x80deb1fe, 0x3b1696b1),
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new X64Word(0x9bdc06a7, 0x25c71235),
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new X64Word(0xc19bf174, 0xcf692694),
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new X64Word(0xe49b69c1, 0x9ef14ad2),
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new X64Word(0xefbe4786, 0x384f25e3),
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new X64Word(0x0fc19dc6, 0x8b8cd5b5),
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new X64Word(0x240ca1cc, 0x77ac9c65),
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new X64Word(0x2de92c6f, 0x592b0275),
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new X64Word(0x4a7484aa, 0x6ea6e483),
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new X64Word(0x5cb0a9dc, 0xbd41fbd4),
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new X64Word(0x76f988da, 0x831153b5),
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new X64Word(0x983e5152, 0xee66dfab),
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new X64Word(0xa831c66d, 0x2db43210),
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new X64Word(0xb00327c8, 0x98fb213f),
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new X64Word(0xbf597fc7, 0xbeef0ee4),
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new X64Word(0xc6e00bf3, 0x3da88fc2),
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new X64Word(0xd5a79147, 0x930aa725),
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new X64Word(0x06ca6351, 0xe003826f),
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new X64Word(0x14292967, 0x0a0e6e70),
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new X64Word(0x27b70a85, 0x46d22ffc),
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new X64Word(0x2e1b2138, 0x5c26c926),
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new X64Word(0x4d2c6dfc, 0x5ac42aed),
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new X64Word(0x53380d13, 0x9d95b3df),
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new X64Word(0x650a7354, 0x8baf63de),
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new X64Word(0x766a0abb, 0x3c77b2a8),
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new X64Word(0x81c2c92e, 0x47edaee6),
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new X64Word(0x92722c85, 0x1482353b),
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new X64Word(0xa2bfe8a1, 0x4cf10364),
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new X64Word(0xa81a664b, 0xbc423001),
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new X64Word(0xc24b8b70, 0xd0f89791),
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new X64Word(0xc76c51a3, 0x0654be30),
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new X64Word(0xd192e819, 0xd6ef5218),
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new X64Word(0xd6990624, 0x5565a910),
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new X64Word(0xf40e3585, 0x5771202a),
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new X64Word(0x106aa070, 0x32bbd1b8),
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new X64Word(0x19a4c116, 0xb8d2d0c8),
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new X64Word(0x1e376c08, 0x5141ab53),
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new X64Word(0x2748774c, 0xdf8eeb99),
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new X64Word(0x34b0bcb5, 0xe19b48a8),
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new X64Word(0x391c0cb3, 0xc5c95a63),
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new X64Word(0x4ed8aa4a, 0xe3418acb),
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new X64Word(0x5b9cca4f, 0x7763e373),
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new X64Word(0x682e6ff3, 0xd6b2b8a3),
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new X64Word(0x748f82ee, 0x5defb2fc),
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new X64Word(0x78a5636f, 0x43172f60),
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new X64Word(0x84c87814, 0xa1f0ab72),
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new X64Word(0x8cc70208, 0x1a6439ec),
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new X64Word(0x90befffa, 0x23631e28),
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new X64Word(0xa4506ceb, 0xde82bde9),
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new X64Word(0xbef9a3f7, 0xb2c67915),
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new X64Word(0xc67178f2, 0xe372532b),
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new X64Word(0xca273ece, 0xea26619c),
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new X64Word(0xd186b8c7, 0x21c0c207),
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new X64Word(0xeada7dd6, 0xcde0eb1e),
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new X64Word(0xf57d4f7f, 0xee6ed178),
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new X64Word(0x06f067aa, 0x72176fba),
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new X64Word(0x0a637dc5, 0xa2c898a6),
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new X64Word(0x113f9804, 0xbef90dae),
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new X64Word(0x1b710b35, 0x131c471b),
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new X64Word(0x28db77f5, 0x23047d84),
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new X64Word(0x32caab7b, 0x40c72493),
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new X64Word(0x3c9ebe0a, 0x15c9bebc),
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new X64Word(0x431d67c4, 0x9c100d4c),
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new X64Word(0x4cc5d4be, 0xcb3e42b6),
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new X64Word(0x597f299c, 0xfc657e2a),
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new X64Word(0x5fcb6fab, 0x3ad6faec),
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new X64Word(0x6c44198c, 0x4a475817),
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];
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// Reusable objects
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const W = [];
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for (let i = 0; i < 80; i += 1) {
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W[i] = new X64Word();
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}
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/**
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* SHA-512 hash algorithm.
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*/
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export class SHA512Algo extends Hasher {
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constructor() {
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super();
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this.blockSize = 1024 / 32;
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}
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_doReset() {
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this._hash = new X64WordArray([
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new X64Word(0x6a09e667, 0xf3bcc908),
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new X64Word(0xbb67ae85, 0x84caa73b),
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new X64Word(0x3c6ef372, 0xfe94f82b),
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new X64Word(0xa54ff53a, 0x5f1d36f1),
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new X64Word(0x510e527f, 0xade682d1),
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new X64Word(0x9b05688c, 0x2b3e6c1f),
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new X64Word(0x1f83d9ab, 0xfb41bd6b),
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new X64Word(0x5be0cd19, 0x137e2179),
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]);
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}
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_doProcessBlock(M, offset) {
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// Shortcuts
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const H = this._hash.words;
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const H0 = H[0];
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const H1 = H[1];
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const H2 = H[2];
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const H3 = H[3];
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const H4 = H[4];
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const H5 = H[5];
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const H6 = H[6];
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const H7 = H[7];
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const H0h = H0.high;
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let H0l = H0.low;
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const H1h = H1.high;
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let H1l = H1.low;
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const H2h = H2.high;
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let H2l = H2.low;
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const H3h = H3.high;
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let H3l = H3.low;
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const H4h = H4.high;
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let H4l = H4.low;
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const H5h = H5.high;
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let H5l = H5.low;
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const H6h = H6.high;
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let H6l = H6.low;
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const H7h = H7.high;
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let H7l = H7.low;
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// Working variables
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let ah = H0h;
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let al = H0l;
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let bh = H1h;
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let bl = H1l;
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let ch = H2h;
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let cl = H2l;
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let dh = H3h;
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let dl = H3l;
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let eh = H4h;
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let el = H4l;
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let fh = H5h;
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let fl = H5l;
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let gh = H6h;
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let gl = H6l;
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let hh = H7h;
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let hl = H7l;
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// Rounds
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for (let i = 0; i < 80; i += 1) {
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let Wil;
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let Wih;
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// Shortcut
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const Wi = W[i];
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// Extend message
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if (i < 16) {
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Wi.high = M[offset + i * 2] | 0;
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Wih = Wi.high;
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Wi.low = M[offset + i * 2 + 1] | 0;
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Wil = Wi.low;
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} else {
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// Gamma0
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const gamma0x = W[i - 15];
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const gamma0xh = gamma0x.high;
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const gamma0xl = gamma0x.low;
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const gamma0h = ((gamma0xh >>> 1) | (gamma0xl << 31))
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^ ((gamma0xh >>> 8) | (gamma0xl << 24))
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^ (gamma0xh >>> 7);
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const gamma0l = ((gamma0xl >>> 1) | (gamma0xh << 31))
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^ ((gamma0xl >>> 8) | (gamma0xh << 24))
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^ ((gamma0xl >>> 7) | (gamma0xh << 25));
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// Gamma1
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const gamma1x = W[i - 2];
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const gamma1xh = gamma1x.high;
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const gamma1xl = gamma1x.low;
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const gamma1h = ((gamma1xh >>> 19) | (gamma1xl << 13))
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^ ((gamma1xh << 3) | (gamma1xl >>> 29))
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^ (gamma1xh >>> 6);
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const gamma1l = ((gamma1xl >>> 19) | (gamma1xh << 13))
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^ ((gamma1xl << 3) | (gamma1xh >>> 29))
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^ ((gamma1xl >>> 6) | (gamma1xh << 26));
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// W[i] = gamma0 + W[i - 7] + gamma1 + W[i - 16]
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const Wi7 = W[i - 7];
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const Wi7h = Wi7.high;
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const Wi7l = Wi7.low;
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const Wi16 = W[i - 16];
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const Wi16h = Wi16.high;
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const Wi16l = Wi16.low;
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Wil = gamma0l + Wi7l;
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Wih = gamma0h + Wi7h + ((Wil >>> 0) < (gamma0l >>> 0) ? 1 : 0);
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Wil += gamma1l;
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Wih = Wih + gamma1h + ((Wil >>> 0) < (gamma1l >>> 0) ? 1 : 0);
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Wil += Wi16l;
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Wih = Wih + Wi16h + ((Wil >>> 0) < (Wi16l >>> 0) ? 1 : 0);
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Wi.high = Wih;
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Wi.low = Wil;
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}
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const chh = (eh & fh) ^ (~eh & gh);
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const chl = (el & fl) ^ (~el & gl);
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const majh = (ah & bh) ^ (ah & ch) ^ (bh & ch);
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const majl = (al & bl) ^ (al & cl) ^ (bl & cl);
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const sigma0h = ((ah >>> 28) | (al << 4))
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^ ((ah << 30) | (al >>> 2))
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^ ((ah << 25) | (al >>> 7));
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const sigma0l = ((al >>> 28) | (ah << 4))
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^ ((al << 30) | (ah >>> 2))
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^ ((al << 25) | (ah >>> 7));
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const sigma1h = ((eh >>> 14) | (el << 18))
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^ ((eh >>> 18) | (el << 14))
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^ ((eh << 23) | (el >>> 9));
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const sigma1l = ((el >>> 14) | (eh << 18))
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^ ((el >>> 18) | (eh << 14))
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^ ((el << 23) | (eh >>> 9));
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// t1 = h + sigma1 + ch + K[i] + W[i]
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const Ki = K[i];
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const Kih = Ki.high;
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const Kil = Ki.low;
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let t1l = hl + sigma1l;
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let t1h = hh + sigma1h + ((t1l >>> 0) < (hl >>> 0) ? 1 : 0);
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t1l += chl;
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t1h = t1h + chh + ((t1l >>> 0) < (chl >>> 0) ? 1 : 0);
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t1l += Kil;
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t1h = t1h + Kih + ((t1l >>> 0) < (Kil >>> 0) ? 1 : 0);
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t1l += Wil;
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t1h = t1h + Wih + ((t1l >>> 0) < (Wil >>> 0) ? 1 : 0);
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// t2 = sigma0 + maj
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const t2l = sigma0l + majl;
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const t2h = sigma0h + majh + ((t2l >>> 0) < (sigma0l >>> 0) ? 1 : 0);
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// Update working variables
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hh = gh;
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hl = gl;
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gh = fh;
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gl = fl;
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fh = eh;
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fl = el;
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el = (dl + t1l) | 0;
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eh = (dh + t1h + ((el >>> 0) < (dl >>> 0) ? 1 : 0)) | 0;
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dh = ch;
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dl = cl;
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ch = bh;
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cl = bl;
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bh = ah;
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bl = al;
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al = (t1l + t2l) | 0;
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ah = (t1h + t2h + ((al >>> 0) < (t1l >>> 0) ? 1 : 0)) | 0;
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}
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// Intermediate hash value
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H0.low = (H0l + al);
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H0l = H0.low;
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H0.high = (H0h + ah + ((H0l >>> 0) < (al >>> 0) ? 1 : 0));
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H1.low = (H1l + bl);
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H1l = H1.low;
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H1.high = (H1h + bh + ((H1l >>> 0) < (bl >>> 0) ? 1 : 0));
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H2.low = (H2l + cl);
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H2l = H2.low;
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H2.high = (H2h + ch + ((H2l >>> 0) < (cl >>> 0) ? 1 : 0));
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H3.low = (H3l + dl);
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H3l = H3.low;
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H3.high = (H3h + dh + ((H3l >>> 0) < (dl >>> 0) ? 1 : 0));
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H4.low = (H4l + el);
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H4l = H4.low;
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H4.high = (H4h + eh + ((H4l >>> 0) < (el >>> 0) ? 1 : 0));
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H5.low = (H5l + fl);
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H5l = H5.low;
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H5.high = (H5h + fh + ((H5l >>> 0) < (fl >>> 0) ? 1 : 0));
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H6.low = (H6l + gl);
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H6l = H6.low;
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H6.high = (H6h + gh + ((H6l >>> 0) < (gl >>> 0) ? 1 : 0));
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H7.low = (H7l + hl);
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H7l = H7.low;
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H7.high = (H7h + hh + ((H7l >>> 0) < (hl >>> 0) ? 1 : 0));
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}
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_doFinalize() {
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// Shortcuts
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const data = this._data;
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const dataWords = data.words;
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const nBitsTotal = this._nDataBytes * 8;
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const nBitsLeft = data.sigBytes * 8;
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// Add padding
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dataWords[nBitsLeft >>> 5] |= 0x80 << (24 - (nBitsLeft % 32));
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dataWords[(((nBitsLeft + 128) >>> 10) << 5) + 30] = Math.floor(nBitsTotal / 0x100000000);
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dataWords[(((nBitsLeft + 128) >>> 10) << 5) + 31] = nBitsTotal;
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data.sigBytes = dataWords.length * 4;
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// Hash final blocks
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this._process();
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// Convert hash to 32-bit word array before returning
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const hash = this._hash.toX32();
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// Return final computed hash
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return hash;
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}
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clone() {
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const clone = super.clone.call(this);
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clone._hash = this._hash.clone();
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return clone;
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}
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}
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/**
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* Shortcut function to the hasher's object interface.
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*
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* @param {WordArray|string} message The message to hash.
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*
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* @return {WordArray} The hash.
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*
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* @static
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*
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* @example
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*
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* var hash = CryptoJS.SHA512('message');
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* var hash = CryptoJS.SHA512(wordArray);
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*/
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export const SHA512 = Hasher._createHelper(SHA512Algo);
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/**
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* Shortcut function to the HMAC's object interface.
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*
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* @param {WordArray|string} message The message to hash.
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* @param {WordArray|string} key The secret key.
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*
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* @return {WordArray} The HMAC.
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*
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* @static
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*
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* @example
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*
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* var hmac = CryptoJS.HmacSHA512(message, key);
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*/
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export const HmacSHA512 = Hasher._createHmacHelper(SHA512Algo);
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