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| import {
| WordArray,
| Hasher,
| } from './core.js';
|
| // Constants table
| const T = [];
|
| // Compute constants
| for (let i = 0; i < 64; i += 1) {
| T[i] = (Math.abs(Math.sin(i + 1)) * 0x100000000) | 0;
| }
|
| const FF = (a, b, c, d, x, s, t) => {
| const n = a + ((b & c) | (~b & d)) + x + t;
| return ((n << s) | (n >>> (32 - s))) + b;
| };
|
| const GG = (a, b, c, d, x, s, t) => {
| const n = a + ((b & d) | (c & ~d)) + x + t;
| return ((n << s) | (n >>> (32 - s))) + b;
| };
|
| const HH = (a, b, c, d, x, s, t) => {
| const n = a + (b ^ c ^ d) + x + t;
| return ((n << s) | (n >>> (32 - s))) + b;
| };
|
| const II = (a, b, c, d, x, s, t) => {
| const n = a + (c ^ (b | ~d)) + x + t;
| return ((n << s) | (n >>> (32 - s))) + b;
| };
|
| /**
| * MD5 hash algorithm.
| */
| export class MD5Algo extends Hasher {
| _doReset() {
| this._hash = new WordArray([
| 0x67452301,
| 0xefcdab89,
| 0x98badcfe,
| 0x10325476,
| ]);
| }
|
| _doProcessBlock(M, offset) {
| const _M = M;
|
| // Swap endian
| for (let i = 0; i < 16; i += 1) {
| // Shortcuts
| const offset_i = offset + i;
| const M_offset_i = M[offset_i];
|
| _M[offset_i] = (
| (((M_offset_i << 8) | (M_offset_i >>> 24)) & 0x00ff00ff)
| | (((M_offset_i << 24) | (M_offset_i >>> 8)) & 0xff00ff00)
| );
| }
|
| // Shortcuts
| const H = this._hash.words;
|
| const M_offset_0 = _M[offset + 0];
| const M_offset_1 = _M[offset + 1];
| const M_offset_2 = _M[offset + 2];
| const M_offset_3 = _M[offset + 3];
| const M_offset_4 = _M[offset + 4];
| const M_offset_5 = _M[offset + 5];
| const M_offset_6 = _M[offset + 6];
| const M_offset_7 = _M[offset + 7];
| const M_offset_8 = _M[offset + 8];
| const M_offset_9 = _M[offset + 9];
| const M_offset_10 = _M[offset + 10];
| const M_offset_11 = _M[offset + 11];
| const M_offset_12 = _M[offset + 12];
| const M_offset_13 = _M[offset + 13];
| const M_offset_14 = _M[offset + 14];
| const M_offset_15 = _M[offset + 15];
|
| // Working varialbes
| let a = H[0];
| let b = H[1];
| let c = H[2];
| let d = H[3];
|
| // Computation
| a = FF(a, b, c, d, M_offset_0, 7, T[0]);
| d = FF(d, a, b, c, M_offset_1, 12, T[1]);
| c = FF(c, d, a, b, M_offset_2, 17, T[2]);
| b = FF(b, c, d, a, M_offset_3, 22, T[3]);
| a = FF(a, b, c, d, M_offset_4, 7, T[4]);
| d = FF(d, a, b, c, M_offset_5, 12, T[5]);
| c = FF(c, d, a, b, M_offset_6, 17, T[6]);
| b = FF(b, c, d, a, M_offset_7, 22, T[7]);
| a = FF(a, b, c, d, M_offset_8, 7, T[8]);
| d = FF(d, a, b, c, M_offset_9, 12, T[9]);
| c = FF(c, d, a, b, M_offset_10, 17, T[10]);
| b = FF(b, c, d, a, M_offset_11, 22, T[11]);
| a = FF(a, b, c, d, M_offset_12, 7, T[12]);
| d = FF(d, a, b, c, M_offset_13, 12, T[13]);
| c = FF(c, d, a, b, M_offset_14, 17, T[14]);
| b = FF(b, c, d, a, M_offset_15, 22, T[15]);
|
| a = GG(a, b, c, d, M_offset_1, 5, T[16]);
| d = GG(d, a, b, c, M_offset_6, 9, T[17]);
| c = GG(c, d, a, b, M_offset_11, 14, T[18]);
| b = GG(b, c, d, a, M_offset_0, 20, T[19]);
| a = GG(a, b, c, d, M_offset_5, 5, T[20]);
| d = GG(d, a, b, c, M_offset_10, 9, T[21]);
| c = GG(c, d, a, b, M_offset_15, 14, T[22]);
| b = GG(b, c, d, a, M_offset_4, 20, T[23]);
| a = GG(a, b, c, d, M_offset_9, 5, T[24]);
| d = GG(d, a, b, c, M_offset_14, 9, T[25]);
| c = GG(c, d, a, b, M_offset_3, 14, T[26]);
| b = GG(b, c, d, a, M_offset_8, 20, T[27]);
| a = GG(a, b, c, d, M_offset_13, 5, T[28]);
| d = GG(d, a, b, c, M_offset_2, 9, T[29]);
| c = GG(c, d, a, b, M_offset_7, 14, T[30]);
| b = GG(b, c, d, a, M_offset_12, 20, T[31]);
|
| a = HH(a, b, c, d, M_offset_5, 4, T[32]);
| d = HH(d, a, b, c, M_offset_8, 11, T[33]);
| c = HH(c, d, a, b, M_offset_11, 16, T[34]);
| b = HH(b, c, d, a, M_offset_14, 23, T[35]);
| a = HH(a, b, c, d, M_offset_1, 4, T[36]);
| d = HH(d, a, b, c, M_offset_4, 11, T[37]);
| c = HH(c, d, a, b, M_offset_7, 16, T[38]);
| b = HH(b, c, d, a, M_offset_10, 23, T[39]);
| a = HH(a, b, c, d, M_offset_13, 4, T[40]);
| d = HH(d, a, b, c, M_offset_0, 11, T[41]);
| c = HH(c, d, a, b, M_offset_3, 16, T[42]);
| b = HH(b, c, d, a, M_offset_6, 23, T[43]);
| a = HH(a, b, c, d, M_offset_9, 4, T[44]);
| d = HH(d, a, b, c, M_offset_12, 11, T[45]);
| c = HH(c, d, a, b, M_offset_15, 16, T[46]);
| b = HH(b, c, d, a, M_offset_2, 23, T[47]);
|
| a = II(a, b, c, d, M_offset_0, 6, T[48]);
| d = II(d, a, b, c, M_offset_7, 10, T[49]);
| c = II(c, d, a, b, M_offset_14, 15, T[50]);
| b = II(b, c, d, a, M_offset_5, 21, T[51]);
| a = II(a, b, c, d, M_offset_12, 6, T[52]);
| d = II(d, a, b, c, M_offset_3, 10, T[53]);
| c = II(c, d, a, b, M_offset_10, 15, T[54]);
| b = II(b, c, d, a, M_offset_1, 21, T[55]);
| a = II(a, b, c, d, M_offset_8, 6, T[56]);
| d = II(d, a, b, c, M_offset_15, 10, T[57]);
| c = II(c, d, a, b, M_offset_6, 15, T[58]);
| b = II(b, c, d, a, M_offset_13, 21, T[59]);
| a = II(a, b, c, d, M_offset_4, 6, T[60]);
| d = II(d, a, b, c, M_offset_11, 10, T[61]);
| c = II(c, d, a, b, M_offset_2, 15, T[62]);
| b = II(b, c, d, a, M_offset_9, 21, T[63]);
|
| // Intermediate hash value
| H[0] = (H[0] + a) | 0;
| H[1] = (H[1] + b) | 0;
| H[2] = (H[2] + c) | 0;
| H[3] = (H[3] + d) | 0;
| }
| /* eslint-ensable no-param-reassign */
|
| _doFinalize() {
| // Shortcuts
| const data = this._data;
| const dataWords = data.words;
|
| const nBitsTotal = this._nDataBytes * 8;
| const nBitsLeft = data.sigBytes * 8;
|
| // Add padding
| dataWords[nBitsLeft >>> 5] |= 0x80 << (24 - (nBitsLeft % 32));
|
| const nBitsTotalH = Math.floor(nBitsTotal / 0x100000000);
| const nBitsTotalL = nBitsTotal;
| dataWords[(((nBitsLeft + 64) >>> 9) << 4) + 15] = (
| (((nBitsTotalH << 8) | (nBitsTotalH >>> 24)) & 0x00ff00ff)
| | (((nBitsTotalH << 24) | (nBitsTotalH >>> 8)) & 0xff00ff00)
| );
| dataWords[(((nBitsLeft + 64) >>> 9) << 4) + 14] = (
| (((nBitsTotalL << 8) | (nBitsTotalL >>> 24)) & 0x00ff00ff)
| | (((nBitsTotalL << 24) | (nBitsTotalL >>> 8)) & 0xff00ff00)
| );
|
| data.sigBytes = (dataWords.length + 1) * 4;
|
| // Hash final blocks
| this._process();
|
| // Shortcuts
| const hash = this._hash;
| const H = hash.words;
|
| // Swap endian
| for (let i = 0; i < 4; i += 1) {
| // Shortcut
| const H_i = H[i];
|
| H[i] = (((H_i << 8) | (H_i >>> 24)) & 0x00ff00ff)
| | (((H_i << 24) | (H_i >>> 8)) & 0xff00ff00);
| }
|
| // Return final computed hash
| return hash;
| }
|
| clone() {
| const clone = super.clone.call(this);
| clone._hash = this._hash.clone();
|
| return clone;
| }
| }
|
| /**
| * 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.MD5('message');
| * var hash = CryptoJS.MD5(wordArray);
| */
| export const MD5 = Hasher._createHelper(MD5Algo);
|
| /**
| * 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.HmacMD5(message, key);
| */
| export const HmacMD5 = Hasher._createHmacHelper(MD5Algo);
|
|
