src/hasher/sha512.mjs
'use strict';
import Hasher32be from "./hasher32be";
import {rotateRight64hi, rotateRight64lo} from "../tools/tools";
// Transform constants
/** @type {number[]} */
const 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
];
/**
* Calculates [SHA512 (SHA384)](https://tools.ietf.org/html/rfc4634) hash
* [SHA512/t (SHA512/256 SHA512/224)](http://csrc.nist.gov/publications/fips/fips180-4/fips-180-4.pdf)
*
* @example <caption>Calculates SHA512 hash from string "message" - ES6 style</caption>
* import Sha512 from "crypto-api/src/hasher/sha512";
* import {toHex} from "crypto-api/src/encoder/hex";
*
* let hasher = new Sha512();
* hasher.update('message');
* console.log(toHex(hasher.finalize()));
*
* @example <caption>Calculates SHA512 hash from UTF string "message" - ES6 style</caption>
* import Sha512 from "crypto-api/src/hasher/sha512";
* import {toHex} from "crypto-api/src/encoder/hex";
* import {fromUtf} from "crypto-api/src/encoder/utf";
*
* let hasher = new Sha512();
* hasher.update(fromUtf('message'));
* console.log(toHex(hasher.finalize()));
*
* @example <caption>Calculates SHA512 hash from string "message" - ES5 style</caption>
* <script src="https://nf404.github.io/crypto-api/crypto-api.min.js"></script>
* <script>
* var hasher = CryptoApi.getHasher('sha512');
* hasher.update('message');
* console.log(CryptoApi.encoder.toHex(hasher.finalize()));
* </script>
*
* @example <caption>Calculates SHA512 hash from UTF string "message" - ES5 style</caption>
* <script src="https://nf404.github.io/crypto-api/crypto-api.min.js"></script>
* <script>
* console.log(CryptoApi.hash('sha512', 'message'));
* </script>
*/
class Sha512 extends Hasher32be {
/**
* @param {Object} [options]
* @param {number} [options.rounds=160] - Number of rounds (Must be greater than 32)
* @param {number} [options.length=512] - Length of hash result (Can be from 32 to 480 with step 32)
*
* | Hash type | Length |
* |------------|--------|
* | sha384 | 384 |
* | sha512 | 512 |
* | sha512/224 | 224 |
* | sha512/256 | 256 |
*/
constructor(options) {
options = options || {};
options.length = options.length || 512;
options.rounds = options.rounds || 160;
super(options);
/**
* Size of block in units
* @ignore
* @type {number}
*/
this.blockSize = 32;
/**
* Size of block in bytes
* @ignore
* @type {number}
*/
this.blockSizeInBytes = this.blockSize * this.unitSize;
/**
* Working variable (only for speed optimization)
* @private
* @ignore
* @type {number[]}
*/
this.W = new Array(160);
}
/**
* Reset hasher to initial state
*/
reset () {
super.reset()
switch (this.options.length) {
case 384:
this.state.hash = [
0xcbbb9d5d | 0, 0xc1059ed8 | 0, 0x629a292a | 0, 0x367cd507 | 0,
0x9159015a | 0, 0x3070dd17 | 0, 0x152fecd8 | 0, 0xf70e5939 | 0,
0x67332667 | 0, 0xffc00b31 | 0, 0x8eb44a87 | 0, 0x68581511 | 0,
0xdb0c2e0d | 0, 0x64f98fa7 | 0, 0x47b5481d | 0, 0xbefa4fa4 | 0
]
break
case 512:
this.state.hash = [
0x6a09e667 | 0, 0xf3bcc908 | 0, 0xbb67ae85 | 0, 0x84caa73b | 0,
0x3c6ef372 | 0, 0xfe94f82b | 0, 0xa54ff53a | 0, 0x5f1d36f1 | 0,
0x510e527f | 0, 0xade682d1 | 0, 0x9b05688c | 0, 0x2b3e6c1f | 0,
0x1f83d9ab | 0, 0xfb41bd6b | 0, 0x5be0cd19 | 0, 0x137e2179 | 0
]
break
default:
const hasher = new Sha512()
for (let i = 0; i < 16; i++) {
hasher.state.hash[i] = hasher.state.hash[i] ^ 0xa5a5a5a5
}
hasher.update('SHA-512/' + this.options.length)
const hash = hasher.finalize()
this.state.hash = []
for (let b = 0; b < 64; b += 4) {
this.state.hash.push(
hash.charCodeAt(b) << 24 |
hash.charCodeAt(b + 1) << 16 |
hash.charCodeAt(b + 2) << 8 |
hash.charCodeAt(b + 3))
}
}
}
/**
* Process ready blocks
*
* @protected
* @ignore
* @param {number[]} block - Block
*/
processBlock(block) {
// Working variables
let ah = this.state.hash[0];
let al = this.state.hash[1];
let bh = this.state.hash[2];
let bl = this.state.hash[3];
let ch = this.state.hash[4];
let cl = this.state.hash[5];
let dh = this.state.hash[6];
let dl = this.state.hash[7];
let eh = this.state.hash[8];
let el = this.state.hash[9];
let fh = this.state.hash[10];
let fl = this.state.hash[11];
let gh = this.state.hash[12];
let gl = this.state.hash[13];
let hh = this.state.hash[14];
let hl = this.state.hash[15];
let s0h, s0l, s1h, s1l;
// Calculate hash
for (let i = 0; i < this.options.rounds; i += 2) {
if (i < 32) {
this.W[i] = block[i];
this.W[i + 1] = block[i + 1];
} else {
s0h = rotateRight64hi(this.W[i - 30], this.W[i - 29], 1) ^
rotateRight64hi(this.W[i - 30], this.W[i - 29], 8) ^
(this.W[i - 30] >>> 7);
s0l = rotateRight64lo(this.W[i - 30], this.W[i - 29], 1) ^
rotateRight64lo(this.W[i - 30], this.W[i - 29], 8) ^
((this.W[i - 29] >>> 7) | (this.W[i - 30] << 25));
s1h = rotateRight64hi(this.W[i - 4], this.W[i - 3], 19) ^
rotateRight64hi(this.W[i - 4], this.W[i - 3], 61) ^
(this.W[i - 4] >>> 6);
s1l = rotateRight64lo(this.W[i - 4], this.W[i - 3], 19) ^
rotateRight64lo(this.W[i - 4], this.W[i - 3], 61) ^
((this.W[i - 3] >>> 6) | (this.W[i - 4] << 26));
let c1 = ((this.W[i - 13] & 0xFFFF) + (this.W[i - 31] & 0xFFFF) + (s0l & 0xFFFF) + (s1l & 0xFFFF)) | 0;
let c2 = ((this.W[i - 13] >>> 16) + (this.W[i - 31] >>> 16) + (s0l >>> 16) + (s1l >>> 16) + (c1 >>> 16)) | 0;
let c3 = ((this.W[i - 14] & 0xFFFF) + (this.W[i - 32] & 0xFFFF) + (s0h & 0xFFFF) + (s1h & 0xFFFF) + (c2 >>> 16)) | 0;
let c4 = ((this.W[i - 14] >>> 16) + (this.W[i - 32] >>> 16) + (s0h >>> 16) + (s1h >>> 16) + (c3 >>> 16)) | 0;
this.W[i] = ((c4 << 16) | (c3 & 0xFFFF)) & 0xFFFFFFFF;
this.W[i + 1] = ((c2 << 16) | (c1 & 0xFFFF)) & 0xFFFFFFFF;
}
s0h = rotateRight64hi(ah, al, 28) ^ rotateRight64hi(ah, al, 34) ^ rotateRight64hi(ah, al, 39);
s0l = rotateRight64lo(ah, al, 28) ^ rotateRight64lo(ah, al, 34) ^ rotateRight64lo(ah, al, 39);
s1h = rotateRight64hi(eh, el, 14) ^ rotateRight64hi(eh, el, 18) ^ rotateRight64hi(eh, el, 41);
s1l = rotateRight64lo(eh, el, 14) ^ rotateRight64lo(eh, el, 18) ^ rotateRight64lo(eh, el, 41);
let chh = (eh & fh) ^ (~eh & gh);
let chl = (el & fl) ^ (~el & gl);
let majh = (ah & bh) ^ (ah & ch) ^ (bh & ch);
let majl = (al & bl) ^ (al & cl) ^ (bl & cl);
let t1l = (hl + s1l) | 0;
let t1h = (hh + s1h + ((t1l >>> 0) < (hl >>> 0) ? 1 : 0)) | 0;
t1l = (t1l + chl) | 0;
t1h = (t1h + chh + ((t1l >>> 0) < (chl >>> 0) ? 1 : 0)) | 0;
t1l = (t1l + K[i + 1]) | 0;
t1h = (t1h + K[i] + ((t1l >>> 0) < (K[i + 1] >>> 0) ? 1 : 0)) | 0;
t1l = (t1l + this.W[i + 1]) | 0;
t1h = (t1h + this.W[i] + ((t1l >>> 0) < (this.W[i + 1] >>> 0) ? 1 : 0)) | 0;
let t2l = (s0l + majl) | 0;
let t2h = (s0h + majh + ((t2l >>> 0) < (s0l >>> 0) ? 1 : 0)) | 0;
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;
}
this.state.hash[1] = (this.state.hash[1] + al) | 0;
this.state.hash[0] = (this.state.hash[0] + ah + ((this.state.hash[1] >>> 0) < (al >>> 0) ? 1 : 0)) | 0;
this.state.hash[3] = (this.state.hash[3] + bl) | 0;
this.state.hash[2] = (this.state.hash[2] + bh + ((this.state.hash[3] >>> 0) < (bl >>> 0) ? 1 : 0)) | 0;
this.state.hash[5] = (this.state.hash[5] + cl) | 0;
this.state.hash[4] = (this.state.hash[4] + ch + ((this.state.hash[5] >>> 0) < (cl >>> 0) ? 1 : 0)) | 0;
this.state.hash[7] = (this.state.hash[7] + dl) | 0;
this.state.hash[6] = (this.state.hash[6] + dh + ((this.state.hash[7] >>> 0) < (dl >>> 0) ? 1 : 0)) | 0;
this.state.hash[9] = (this.state.hash[9] + el) | 0;
this.state.hash[8] = (this.state.hash[8] + eh + ((this.state.hash[9] >>> 0) < (el >>> 0) ? 1 : 0)) | 0;
this.state.hash[11] = (this.state.hash[11] + fl) | 0;
this.state.hash[10] = (this.state.hash[10] + fh + ((this.state.hash[11] >>> 0) < (fl >>> 0) ? 1 : 0)) | 0;
this.state.hash[13] = (this.state.hash[13] + gl) | 0;
this.state.hash[12] = (this.state.hash[12] + gh + ((this.state.hash[13] >>> 0) < (gl >>> 0) ? 1 : 0)) | 0;
this.state.hash[15] = (this.state.hash[15] + hl) | 0;
this.state.hash[14] = (this.state.hash[14] + hh + ((this.state.hash[15] >>> 0) < (hl >>> 0) ? 1 : 0)) | 0;
}
/**
* Finalize hash and return result
*
* @returns {string}
*/
finalize() {
this.addPaddingISO7816(
this.state.message.length < 112 ?
112 - this.state.message.length | 0 :
240 - this.state.message.length | 0);
// Real length for SHA512 is 128 bit instead of 64 bit
this.state.message += "\x00\x00\x00\x00\x00\x00\x00\x00";
this.addLengthBits();
this.process();
return this.getStateHash((this.options.length / 32) | 0);
}
}
export default Sha512;
