Edit File: md5-browser.js
"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.default = void 0; /* * Browser-compatible JavaScript MD5 * * Modification of JavaScript MD5 * https://github.com/blueimp/JavaScript-MD5 * * Copyright 2011, Sebastian Tschan * https://blueimp.net * * Licensed under the MIT license: * https://opensource.org/licenses/MIT * * Based on * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message * Digest Algorithm, as defined in RFC 1321. * Version 2.2 Copyright (C) Paul Johnston 1999 - 2009 * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet * Distributed under the BSD License * See http://pajhome.org.uk/crypt/md5 for more info. */ function md5(bytes) { if (typeof bytes === 'string') { const msg = unescape(encodeURIComponent(bytes)); // UTF8 escape bytes = new Uint8Array(msg.length); for (let i = 0; i < msg.length; ++i) { bytes[i] = msg.charCodeAt(i); } } return md5ToHexEncodedArray(wordsToMd5(bytesToWords(bytes), bytes.length * 8)); } /* * Convert an array of little-endian words to an array of bytes */ function md5ToHexEncodedArray(input) { const output = []; const length32 = input.length * 32; const hexTab = '0123456789abcdef'; for (let i = 0; i < length32; i += 8) { const x = input[i >> 5] >>> i % 32 & 0xff; const hex = parseInt(hexTab.charAt(x >>> 4 & 0x0f) + hexTab.charAt(x & 0x0f), 16); output.push(hex); } return output; } /** * Calculate output length with padding and bit length */ function getOutputLength(inputLength8) { return (inputLength8 + 64 >>> 9 << 4) + 14 + 1; } /* * Calculate the MD5 of an array of little-endian words, and a bit length. */ function wordsToMd5(x, len) { /* append padding */ x[len >> 5] |= 0x80 << len % 32; x[getOutputLength(len) - 1] = len; let a = 1732584193; let b = -271733879; let c = -1732584194; let d = 271733878; for (let i = 0; i < x.length; i += 16) { const olda = a; const oldb = b; const oldc = c; const oldd = d; a = md5ff(a, b, c, d, x[i], 7, -680876936); d = md5ff(d, a, b, c, x[i + 1], 12, -389564586); c = md5ff(c, d, a, b, x[i + 2], 17, 606105819); b = md5ff(b, c, d, a, x[i + 3], 22, -1044525330); a = md5ff(a, b, c, d, x[i + 4], 7, -176418897); d = md5ff(d, a, b, c, x[i + 5], 12, 1200080426); c = md5ff(c, d, a, b, x[i + 6], 17, -1473231341); b = md5ff(b, c, d, a, x[i + 7], 22, -45705983); a = md5ff(a, b, c, d, x[i + 8], 7, 1770035416); d = md5ff(d, a, b, c, x[i + 9], 12, -1958414417); c = md5ff(c, d, a, b, x[i + 10], 17, -42063); b = md5ff(b, c, d, a, x[i + 11], 22, -1990404162); a = md5ff(a, b, c, d, x[i + 12], 7, 1804603682); d = md5ff(d, a, b, c, x[i + 13], 12, -40341101); c = md5ff(c, d, a, b, x[i + 14], 17, -1502002290); b = md5ff(b, c, d, a, x[i + 15], 22, 1236535329); a = md5gg(a, b, c, d, x[i + 1], 5, -165796510); d = md5gg(d, a, b, c, x[i + 6], 9, -1069501632); c = md5gg(c, d, a, b, x[i + 11], 14, 643717713); b = md5gg(b, c, d, a, x[i], 20, -373897302); a = md5gg(a, b, c, d, x[i + 5], 5, -701558691); d = md5gg(d, a, b, c, x[i + 10], 9, 38016083); c = md5gg(c, d, a, b, x[i + 15], 14, -660478335); b = md5gg(b, c, d, a, x[i + 4], 20, -405537848); a = md5gg(a, b, c, d, x[i + 9], 5, 568446438); d = md5gg(d, a, b, c, x[i + 14], 9, -1019803690); c = md5gg(c, d, a, b, x[i + 3], 14, -187363961); b = md5gg(b, c, d, a, x[i + 8], 20, 1163531501); a = md5gg(a, b, c, d, x[i + 13], 5, -1444681467); d = md5gg(d, a, b, c, x[i + 2], 9, -51403784); c = md5gg(c, d, a, b, x[i + 7], 14, 1735328473); b = md5gg(b, c, d, a, x[i + 12], 20, -1926607734); a = md5hh(a, b, c, d, x[i + 5], 4, -378558); d = md5hh(d, a, b, c, x[i + 8], 11, -2022574463); c = md5hh(c, d, a, b, x[i + 11], 16, 1839030562); b = md5hh(b, c, d, a, x[i + 14], 23, -35309556); a = md5hh(a, b, c, d, x[i + 1], 4, -1530992060); d = md5hh(d, a, b, c, x[i + 4], 11, 1272893353); c = md5hh(c, d, a, b, x[i + 7], 16, -155497632); b = md5hh(b, c, d, a, x[i + 10], 23, -1094730640); a = md5hh(a, b, c, d, x[i + 13], 4, 681279174); d = md5hh(d, a, b, c, x[i], 11, -358537222); c = md5hh(c, d, a, b, x[i + 3], 16, -722521979); b = md5hh(b, c, d, a, x[i + 6], 23, 76029189); a = md5hh(a, b, c, d, x[i + 9], 4, -640364487); d = md5hh(d, a, b, c, x[i + 12], 11, -421815835); c = md5hh(c, d, a, b, x[i + 15], 16, 530742520); b = md5hh(b, c, d, a, x[i + 2], 23, -995338651); a = md5ii(a, b, c, d, x[i], 6, -198630844); d = md5ii(d, a, b, c, x[i + 7], 10, 1126891415); c = md5ii(c, d, a, b, x[i + 14], 15, -1416354905); b = md5ii(b, c, d, a, x[i + 5], 21, -57434055); a = md5ii(a, b, c, d, x[i + 12], 6, 1700485571); d = md5ii(d, a, b, c, x[i + 3], 10, -1894986606); c = md5ii(c, d, a, b, x[i + 10], 15, -1051523); b = md5ii(b, c, d, a, x[i + 1], 21, -2054922799); a = md5ii(a, b, c, d, x[i + 8], 6, 1873313359); d = md5ii(d, a, b, c, x[i + 15], 10, -30611744); c = md5ii(c, d, a, b, x[i + 6], 15, -1560198380); b = md5ii(b, c, d, a, x[i + 13], 21, 1309151649); a = md5ii(a, b, c, d, x[i + 4], 6, -145523070); d = md5ii(d, a, b, c, x[i + 11], 10, -1120210379); c = md5ii(c, d, a, b, x[i + 2], 15, 718787259); b = md5ii(b, c, d, a, x[i + 9], 21, -343485551); a = safeAdd(a, olda); b = safeAdd(b, oldb); c = safeAdd(c, oldc); d = safeAdd(d, oldd); } return [a, b, c, d]; } /* * Convert an array bytes to an array of little-endian words * Characters >255 have their high-byte silently ignored. */ function bytesToWords(input) { if (input.length === 0) { return []; } const length8 = input.length * 8; const output = new Uint32Array(getOutputLength(length8)); for (let i = 0; i < length8; i += 8) { output[i >> 5] |= (input[i / 8] & 0xff) << i % 32; } return output; } /* * Add integers, wrapping at 2^32. This uses 16-bit operations internally * to work around bugs in some JS interpreters. */ function safeAdd(x, y) { const lsw = (x & 0xffff) + (y & 0xffff); const msw = (x >> 16) + (y >> 16) + (lsw >> 16); return msw << 16 | lsw & 0xffff; } /* * Bitwise rotate a 32-bit number to the left. */ function bitRotateLeft(num, cnt) { return num << cnt | num >>> 32 - cnt; } /* * These functions implement the four basic operations the algorithm uses. */ function md5cmn(q, a, b, x, s, t) { return safeAdd(bitRotateLeft(safeAdd(safeAdd(a, q), safeAdd(x, t)), s), b); } function md5ff(a, b, c, d, x, s, t) { return md5cmn(b & c | ~b & d, a, b, x, s, t); } function md5gg(a, b, c, d, x, s, t) { return md5cmn(b & d | c & ~d, a, b, x, s, t); } function md5hh(a, b, c, d, x, s, t) { return md5cmn(b ^ c ^ d, a, b, x, s, t); } function md5ii(a, b, c, d, x, s, t) { return md5cmn(c ^ (b | ~d), a, b, x, s, t); } var _default = md5; exports.default = _default;
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