| 1 | "use strict";
|
|---|
| 2 | Object.defineProperty(exports, "__esModule", { value: true });
|
|---|
| 3 | function md5(bytes) {
|
|---|
| 4 | const words = uint8ToUint32(bytes);
|
|---|
| 5 | const md5Bytes = wordsToMd5(words, bytes.length * 8);
|
|---|
| 6 | return uint32ToUint8(md5Bytes);
|
|---|
| 7 | }
|
|---|
| 8 | function uint32ToUint8(input) {
|
|---|
| 9 | const bytes = new Uint8Array(input.length * 4);
|
|---|
| 10 | for (let i = 0; i < input.length * 4; i++) {
|
|---|
| 11 | bytes[i] = (input[i >> 2] >>> ((i % 4) * 8)) & 0xff;
|
|---|
| 12 | }
|
|---|
| 13 | return bytes;
|
|---|
| 14 | }
|
|---|
| 15 | function getOutputLength(inputLength8) {
|
|---|
| 16 | return (((inputLength8 + 64) >>> 9) << 4) + 14 + 1;
|
|---|
| 17 | }
|
|---|
| 18 | function wordsToMd5(x, len) {
|
|---|
| 19 | const xpad = new Uint32Array(getOutputLength(len)).fill(0);
|
|---|
| 20 | xpad.set(x);
|
|---|
| 21 | xpad[len >> 5] |= 0x80 << len % 32;
|
|---|
| 22 | xpad[xpad.length - 1] = len;
|
|---|
| 23 | x = xpad;
|
|---|
| 24 | let a = 1732584193;
|
|---|
| 25 | let b = -271733879;
|
|---|
| 26 | let c = -1732584194;
|
|---|
| 27 | let d = 271733878;
|
|---|
| 28 | for (let i = 0; i < x.length; i += 16) {
|
|---|
| 29 | const olda = a;
|
|---|
| 30 | const oldb = b;
|
|---|
| 31 | const oldc = c;
|
|---|
| 32 | const oldd = d;
|
|---|
| 33 | a = md5ff(a, b, c, d, x[i], 7, -680876936);
|
|---|
| 34 | d = md5ff(d, a, b, c, x[i + 1], 12, -389564586);
|
|---|
| 35 | c = md5ff(c, d, a, b, x[i + 2], 17, 606105819);
|
|---|
| 36 | b = md5ff(b, c, d, a, x[i + 3], 22, -1044525330);
|
|---|
| 37 | a = md5ff(a, b, c, d, x[i + 4], 7, -176418897);
|
|---|
| 38 | d = md5ff(d, a, b, c, x[i + 5], 12, 1200080426);
|
|---|
| 39 | c = md5ff(c, d, a, b, x[i + 6], 17, -1473231341);
|
|---|
| 40 | b = md5ff(b, c, d, a, x[i + 7], 22, -45705983);
|
|---|
| 41 | a = md5ff(a, b, c, d, x[i + 8], 7, 1770035416);
|
|---|
| 42 | d = md5ff(d, a, b, c, x[i + 9], 12, -1958414417);
|
|---|
| 43 | c = md5ff(c, d, a, b, x[i + 10], 17, -42063);
|
|---|
| 44 | b = md5ff(b, c, d, a, x[i + 11], 22, -1990404162);
|
|---|
| 45 | a = md5ff(a, b, c, d, x[i + 12], 7, 1804603682);
|
|---|
| 46 | d = md5ff(d, a, b, c, x[i + 13], 12, -40341101);
|
|---|
| 47 | c = md5ff(c, d, a, b, x[i + 14], 17, -1502002290);
|
|---|
| 48 | b = md5ff(b, c, d, a, x[i + 15], 22, 1236535329);
|
|---|
| 49 | a = md5gg(a, b, c, d, x[i + 1], 5, -165796510);
|
|---|
| 50 | d = md5gg(d, a, b, c, x[i + 6], 9, -1069501632);
|
|---|
| 51 | c = md5gg(c, d, a, b, x[i + 11], 14, 643717713);
|
|---|
| 52 | b = md5gg(b, c, d, a, x[i], 20, -373897302);
|
|---|
| 53 | a = md5gg(a, b, c, d, x[i + 5], 5, -701558691);
|
|---|
| 54 | d = md5gg(d, a, b, c, x[i + 10], 9, 38016083);
|
|---|
| 55 | c = md5gg(c, d, a, b, x[i + 15], 14, -660478335);
|
|---|
| 56 | b = md5gg(b, c, d, a, x[i + 4], 20, -405537848);
|
|---|
| 57 | a = md5gg(a, b, c, d, x[i + 9], 5, 568446438);
|
|---|
| 58 | d = md5gg(d, a, b, c, x[i + 14], 9, -1019803690);
|
|---|
| 59 | c = md5gg(c, d, a, b, x[i + 3], 14, -187363961);
|
|---|
| 60 | b = md5gg(b, c, d, a, x[i + 8], 20, 1163531501);
|
|---|
| 61 | a = md5gg(a, b, c, d, x[i + 13], 5, -1444681467);
|
|---|
| 62 | d = md5gg(d, a, b, c, x[i + 2], 9, -51403784);
|
|---|
| 63 | c = md5gg(c, d, a, b, x[i + 7], 14, 1735328473);
|
|---|
| 64 | b = md5gg(b, c, d, a, x[i + 12], 20, -1926607734);
|
|---|
| 65 | a = md5hh(a, b, c, d, x[i + 5], 4, -378558);
|
|---|
| 66 | d = md5hh(d, a, b, c, x[i + 8], 11, -2022574463);
|
|---|
| 67 | c = md5hh(c, d, a, b, x[i + 11], 16, 1839030562);
|
|---|
| 68 | b = md5hh(b, c, d, a, x[i + 14], 23, -35309556);
|
|---|
| 69 | a = md5hh(a, b, c, d, x[i + 1], 4, -1530992060);
|
|---|
| 70 | d = md5hh(d, a, b, c, x[i + 4], 11, 1272893353);
|
|---|
| 71 | c = md5hh(c, d, a, b, x[i + 7], 16, -155497632);
|
|---|
| 72 | b = md5hh(b, c, d, a, x[i + 10], 23, -1094730640);
|
|---|
| 73 | a = md5hh(a, b, c, d, x[i + 13], 4, 681279174);
|
|---|
| 74 | d = md5hh(d, a, b, c, x[i], 11, -358537222);
|
|---|
| 75 | c = md5hh(c, d, a, b, x[i + 3], 16, -722521979);
|
|---|
| 76 | b = md5hh(b, c, d, a, x[i + 6], 23, 76029189);
|
|---|
| 77 | a = md5hh(a, b, c, d, x[i + 9], 4, -640364487);
|
|---|
| 78 | d = md5hh(d, a, b, c, x[i + 12], 11, -421815835);
|
|---|
| 79 | c = md5hh(c, d, a, b, x[i + 15], 16, 530742520);
|
|---|
| 80 | b = md5hh(b, c, d, a, x[i + 2], 23, -995338651);
|
|---|
| 81 | a = md5ii(a, b, c, d, x[i], 6, -198630844);
|
|---|
| 82 | d = md5ii(d, a, b, c, x[i + 7], 10, 1126891415);
|
|---|
| 83 | c = md5ii(c, d, a, b, x[i + 14], 15, -1416354905);
|
|---|
| 84 | b = md5ii(b, c, d, a, x[i + 5], 21, -57434055);
|
|---|
| 85 | a = md5ii(a, b, c, d, x[i + 12], 6, 1700485571);
|
|---|
| 86 | d = md5ii(d, a, b, c, x[i + 3], 10, -1894986606);
|
|---|
| 87 | c = md5ii(c, d, a, b, x[i + 10], 15, -1051523);
|
|---|
| 88 | b = md5ii(b, c, d, a, x[i + 1], 21, -2054922799);
|
|---|
| 89 | a = md5ii(a, b, c, d, x[i + 8], 6, 1873313359);
|
|---|
| 90 | d = md5ii(d, a, b, c, x[i + 15], 10, -30611744);
|
|---|
| 91 | c = md5ii(c, d, a, b, x[i + 6], 15, -1560198380);
|
|---|
| 92 | b = md5ii(b, c, d, a, x[i + 13], 21, 1309151649);
|
|---|
| 93 | a = md5ii(a, b, c, d, x[i + 4], 6, -145523070);
|
|---|
| 94 | d = md5ii(d, a, b, c, x[i + 11], 10, -1120210379);
|
|---|
| 95 | c = md5ii(c, d, a, b, x[i + 2], 15, 718787259);
|
|---|
| 96 | b = md5ii(b, c, d, a, x[i + 9], 21, -343485551);
|
|---|
| 97 | a = safeAdd(a, olda);
|
|---|
| 98 | b = safeAdd(b, oldb);
|
|---|
| 99 | c = safeAdd(c, oldc);
|
|---|
| 100 | d = safeAdd(d, oldd);
|
|---|
| 101 | }
|
|---|
| 102 | return Uint32Array.of(a, b, c, d);
|
|---|
| 103 | }
|
|---|
| 104 | function uint8ToUint32(input) {
|
|---|
| 105 | if (input.length === 0) {
|
|---|
| 106 | return new Uint32Array();
|
|---|
| 107 | }
|
|---|
| 108 | const output = new Uint32Array(getOutputLength(input.length * 8)).fill(0);
|
|---|
| 109 | for (let i = 0; i < input.length; i++) {
|
|---|
| 110 | output[i >> 2] |= (input[i] & 0xff) << ((i % 4) * 8);
|
|---|
| 111 | }
|
|---|
| 112 | return output;
|
|---|
| 113 | }
|
|---|
| 114 | function safeAdd(x, y) {
|
|---|
| 115 | const lsw = (x & 0xffff) + (y & 0xffff);
|
|---|
| 116 | const msw = (x >> 16) + (y >> 16) + (lsw >> 16);
|
|---|
| 117 | return (msw << 16) | (lsw & 0xffff);
|
|---|
| 118 | }
|
|---|
| 119 | function bitRotateLeft(num, cnt) {
|
|---|
| 120 | return (num << cnt) | (num >>> (32 - cnt));
|
|---|
| 121 | }
|
|---|
| 122 | function md5cmn(q, a, b, x, s, t) {
|
|---|
| 123 | return safeAdd(bitRotateLeft(safeAdd(safeAdd(a, q), safeAdd(x, t)), s), b);
|
|---|
| 124 | }
|
|---|
| 125 | function md5ff(a, b, c, d, x, s, t) {
|
|---|
| 126 | return md5cmn((b & c) | (~b & d), a, b, x, s, t);
|
|---|
| 127 | }
|
|---|
| 128 | function md5gg(a, b, c, d, x, s, t) {
|
|---|
| 129 | return md5cmn((b & d) | (c & ~d), a, b, x, s, t);
|
|---|
| 130 | }
|
|---|
| 131 | function md5hh(a, b, c, d, x, s, t) {
|
|---|
| 132 | return md5cmn(b ^ c ^ d, a, b, x, s, t);
|
|---|
| 133 | }
|
|---|
| 134 | function md5ii(a, b, c, d, x, s, t) {
|
|---|
| 135 | return md5cmn(c ^ (b | ~d), a, b, x, s, t);
|
|---|
| 136 | }
|
|---|
| 137 | exports.default = md5;
|
|---|
