md5.js 23 KB

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  1. (function () {
  2. 'use strict';
  3. var ERROR = 'input is invalid type';
  4. var WINDOW = typeof window === 'object';
  5. var root = WINDOW ? window : {};
  6. if (root.JS_MD5_NO_WINDOW) {
  7. WINDOW = false;
  8. }
  9. var WEB_WORKER = !WINDOW && typeof self === 'object';
  10. var NODE_JS = !root.JS_MD5_NO_NODE_JS && typeof process === 'object' && process.versions && process.versions.node;
  11. if (NODE_JS) {
  12. root = global;
  13. } else if (WEB_WORKER) {
  14. root = self;
  15. }
  16. var COMMON_JS = !root.JS_MD5_NO_COMMON_JS && typeof module === 'object' && module.exports;
  17. var AMD = typeof define === 'function' && define.amd;
  18. var ARRAY_BUFFER = !root.JS_MD5_NO_ARRAY_BUFFER && typeof ArrayBuffer !== 'undefined';
  19. var HEX_CHARS = '0123456789abcdef'.split('');
  20. var EXTRA = [128, 32768, 8388608, -2147483648];
  21. var SHIFT = [0, 8, 16, 24];
  22. var OUTPUT_TYPES = ['hex', 'array', 'digest', 'buffer', 'arrayBuffer', 'base64'];
  23. var BASE64_ENCODE_CHAR = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'.split('');
  24. var blocks = [], buffer8;
  25. if (ARRAY_BUFFER) {
  26. var buffer = new ArrayBuffer(68);
  27. buffer8 = new Uint8Array(buffer);
  28. blocks = new Uint32Array(buffer);
  29. }
  30. if (root.JS_MD5_NO_NODE_JS || !Array.isArray) {
  31. Array.isArray = function (obj) {
  32. return Object.prototype.toString.call(obj) === '[object Array]';
  33. };
  34. }
  35. if (ARRAY_BUFFER && (root.JS_MD5_NO_ARRAY_BUFFER_IS_VIEW || !ArrayBuffer.isView)) {
  36. ArrayBuffer.isView = function (obj) {
  37. return typeof obj === 'object' && obj.buffer && obj.buffer.constructor === ArrayBuffer;
  38. };
  39. }
  40. /**
  41. * @method hex
  42. * @memberof md5
  43. * @description Output hash as hex string
  44. * @param {String|Array|Uint8Array|ArrayBuffer} message message to hash
  45. * @returns {String} Hex string
  46. * @example
  47. * md5.hex('The quick brown fox jumps over the lazy dog');
  48. * // equal to
  49. * md5('The quick brown fox jumps over the lazy dog');
  50. */
  51. /**
  52. * @method digest
  53. * @memberof md5
  54. * @description Output hash as bytes array
  55. * @param {String|Array|Uint8Array|ArrayBuffer} message message to hash
  56. * @returns {Array} Bytes array
  57. * @example
  58. * md5.digest('The quick brown fox jumps over the lazy dog');
  59. */
  60. /**
  61. * @method array
  62. * @memberof md5
  63. * @description Output hash as bytes array
  64. * @param {String|Array|Uint8Array|ArrayBuffer} message message to hash
  65. * @returns {Array} Bytes array
  66. * @example
  67. * md5.array('The quick brown fox jumps over the lazy dog');
  68. */
  69. /**
  70. * @method arrayBuffer
  71. * @memberof md5
  72. * @description Output hash as ArrayBuffer
  73. * @param {String|Array|Uint8Array|ArrayBuffer} message message to hash
  74. * @returns {ArrayBuffer} ArrayBuffer
  75. * @example
  76. * md5.arrayBuffer('The quick brown fox jumps over the lazy dog');
  77. */
  78. /**
  79. * @method buffer
  80. * @deprecated This maybe confuse with Buffer in node.js. Please use arrayBuffer instead.
  81. * @memberof md5
  82. * @description Output hash as ArrayBuffer
  83. * @param {String|Array|Uint8Array|ArrayBuffer} message message to hash
  84. * @returns {ArrayBuffer} ArrayBuffer
  85. * @example
  86. * md5.buffer('The quick brown fox jumps over the lazy dog');
  87. */
  88. /**
  89. * @method base64
  90. * @memberof md5
  91. * @description Output hash as base64 string
  92. * @param {String|Array|Uint8Array|ArrayBuffer} message message to hash
  93. * @returns {String} base64 string
  94. * @example
  95. * md5.base64('The quick brown fox jumps over the lazy dog');
  96. */
  97. var createOutputMethod = function (outputType) {
  98. return function (message) {
  99. return new Md5(true).update(message)[outputType]();
  100. };
  101. };
  102. /**
  103. * @method create
  104. * @memberof md5
  105. * @description Create Md5 object
  106. * @returns {Md5} Md5 object.
  107. * @example
  108. * var hash = md5.create();
  109. */
  110. /**
  111. * @method update
  112. * @memberof md5
  113. * @description Create and update Md5 object
  114. * @param {String|Array|Uint8Array|ArrayBuffer} message message to hash
  115. * @returns {Md5} Md5 object.
  116. * @example
  117. * var hash = md5.update('The quick brown fox jumps over the lazy dog');
  118. * // equal to
  119. * var hash = md5.create();
  120. * hash.update('The quick brown fox jumps over the lazy dog');
  121. */
  122. var createMethod = function () {
  123. var method = createOutputMethod('hex');
  124. if (NODE_JS) {
  125. method = nodeWrap(method);
  126. }
  127. method.create = function () {
  128. return new Md5();
  129. };
  130. method.update = function (message) {
  131. return method.create().update(message);
  132. };
  133. for (var i = 0; i < OUTPUT_TYPES.length; ++i) {
  134. var type = OUTPUT_TYPES[i];
  135. method[type] = createOutputMethod(type);
  136. }
  137. return method;
  138. };
  139. var nodeWrap = function (method) {
  140. var crypto = eval("require('crypto')");
  141. var Buffer = eval("require('buffer').Buffer");
  142. var nodeMethod = function (message) {
  143. if (typeof message === 'string') {
  144. return crypto.createHash('md5').update(message, 'utf8').digest('hex');
  145. } else {
  146. if (message === null || message === undefined) {
  147. throw ERROR;
  148. } else if (message.constructor === ArrayBuffer) {
  149. message = new Uint8Array(message);
  150. }
  151. }
  152. if (Array.isArray(message) || ArrayBuffer.isView(message) ||
  153. message.constructor === Buffer) {
  154. return crypto.createHash('md5').update(new Buffer(message)).digest('hex');
  155. } else {
  156. return method(message);
  157. }
  158. };
  159. return nodeMethod;
  160. };
  161. /**
  162. * Md5 class
  163. * @class Md5
  164. * @description This is internal class.
  165. * @see {@link md5.create}
  166. */
  167. function Md5(sharedMemory) {
  168. if (sharedMemory) {
  169. blocks[0] = blocks[16] = blocks[1] = blocks[2] = blocks[3] =
  170. blocks[4] = blocks[5] = blocks[6] = blocks[7] =
  171. blocks[8] = blocks[9] = blocks[10] = blocks[11] =
  172. blocks[12] = blocks[13] = blocks[14] = blocks[15] = 0;
  173. this.blocks = blocks;
  174. this.buffer8 = buffer8;
  175. } else {
  176. if (ARRAY_BUFFER) {
  177. var buffer = new ArrayBuffer(68);
  178. this.buffer8 = new Uint8Array(buffer);
  179. this.blocks = new Uint32Array(buffer);
  180. } else {
  181. this.blocks = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
  182. }
  183. }
  184. this.h0 = this.h1 = this.h2 = this.h3 = this.start = this.bytes = this.hBytes = 0;
  185. this.finalized = this.hashed = false;
  186. this.first = true;
  187. }
  188. /**
  189. * @method update
  190. * @memberof Md5
  191. * @instance
  192. * @description Update hash
  193. * @param {String|Array|Uint8Array|ArrayBuffer} message message to hash
  194. * @returns {Md5} Md5 object.
  195. * @see {@link md5.update}
  196. */
  197. Md5.prototype.update = function (message) {
  198. if (this.finalized) {
  199. return;
  200. }
  201. var notString, type = typeof message;
  202. if (type !== 'string') {
  203. if (type === 'object') {
  204. if (message === null) {
  205. throw ERROR;
  206. } else if (ARRAY_BUFFER && message.constructor === ArrayBuffer) {
  207. message = new Uint8Array(message);
  208. } else if (!Array.isArray(message)) {
  209. if (!ARRAY_BUFFER || !ArrayBuffer.isView(message)) {
  210. throw ERROR;
  211. }
  212. }
  213. } else {
  214. throw ERROR;
  215. }
  216. notString = true;
  217. }
  218. var code, index = 0, i, length = message.length, blocks = this.blocks;
  219. var buffer8 = this.buffer8;
  220. while (index < length) {
  221. if (this.hashed) {
  222. this.hashed = false;
  223. blocks[0] = blocks[16];
  224. blocks[16] = blocks[1] = blocks[2] = blocks[3] =
  225. blocks[4] = blocks[5] = blocks[6] = blocks[7] =
  226. blocks[8] = blocks[9] = blocks[10] = blocks[11] =
  227. blocks[12] = blocks[13] = blocks[14] = blocks[15] = 0;
  228. }
  229. if (notString) {
  230. if (ARRAY_BUFFER) {
  231. for (i = this.start; index < length && i < 64; ++index) {
  232. buffer8[i++] = message[index];
  233. }
  234. } else {
  235. for (i = this.start; index < length && i < 64; ++index) {
  236. blocks[i >> 2] |= message[index] << SHIFT[i++ & 3];
  237. }
  238. }
  239. } else {
  240. if (ARRAY_BUFFER) {
  241. for (i = this.start; index < length && i < 64; ++index) {
  242. code = message.charCodeAt(index);
  243. if (code < 0x80) {
  244. buffer8[i++] = code;
  245. } else if (code < 0x800) {
  246. buffer8[i++] = 0xc0 | (code >> 6);
  247. buffer8[i++] = 0x80 | (code & 0x3f);
  248. } else if (code < 0xd800 || code >= 0xe000) {
  249. buffer8[i++] = 0xe0 | (code >> 12);
  250. buffer8[i++] = 0x80 | ((code >> 6) & 0x3f);
  251. buffer8[i++] = 0x80 | (code & 0x3f);
  252. } else {
  253. code = 0x10000 + (((code & 0x3ff) << 10) | (message.charCodeAt(++index) & 0x3ff));
  254. buffer8[i++] = 0xf0 | (code >> 18);
  255. buffer8[i++] = 0x80 | ((code >> 12) & 0x3f);
  256. buffer8[i++] = 0x80 | ((code >> 6) & 0x3f);
  257. buffer8[i++] = 0x80 | (code & 0x3f);
  258. }
  259. }
  260. } else {
  261. for (i = this.start; index < length && i < 64; ++index) {
  262. code = message.charCodeAt(index);
  263. if (code < 0x80) {
  264. blocks[i >> 2] |= code << SHIFT[i++ & 3];
  265. } else if (code < 0x800) {
  266. blocks[i >> 2] |= (0xc0 | (code >> 6)) << SHIFT[i++ & 3];
  267. blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
  268. } else if (code < 0xd800 || code >= 0xe000) {
  269. blocks[i >> 2] |= (0xe0 | (code >> 12)) << SHIFT[i++ & 3];
  270. blocks[i >> 2] |= (0x80 | ((code >> 6) & 0x3f)) << SHIFT[i++ & 3];
  271. blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
  272. } else {
  273. code = 0x10000 + (((code & 0x3ff) << 10) | (message.charCodeAt(++index) & 0x3ff));
  274. blocks[i >> 2] |= (0xf0 | (code >> 18)) << SHIFT[i++ & 3];
  275. blocks[i >> 2] |= (0x80 | ((code >> 12) & 0x3f)) << SHIFT[i++ & 3];
  276. blocks[i >> 2] |= (0x80 | ((code >> 6) & 0x3f)) << SHIFT[i++ & 3];
  277. blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
  278. }
  279. }
  280. }
  281. }
  282. this.lastByteIndex = i;
  283. this.bytes += i - this.start;
  284. if (i >= 64) {
  285. this.start = i - 64;
  286. this.hash();
  287. this.hashed = true;
  288. } else {
  289. this.start = i;
  290. }
  291. }
  292. if (this.bytes > 4294967295) {
  293. this.hBytes += this.bytes / 4294967296 << 0;
  294. this.bytes = this.bytes % 4294967296;
  295. }
  296. return this;
  297. };
  298. Md5.prototype.finalize = function () {
  299. if (this.finalized) {
  300. return;
  301. }
  302. this.finalized = true;
  303. var blocks = this.blocks, i = this.lastByteIndex;
  304. blocks[i >> 2] |= EXTRA[i & 3];
  305. if (i >= 56) {
  306. if (!this.hashed) {
  307. this.hash();
  308. }
  309. blocks[0] = blocks[16];
  310. blocks[16] = blocks[1] = blocks[2] = blocks[3] =
  311. blocks[4] = blocks[5] = blocks[6] = blocks[7] =
  312. blocks[8] = blocks[9] = blocks[10] = blocks[11] =
  313. blocks[12] = blocks[13] = blocks[14] = blocks[15] = 0;
  314. }
  315. blocks[14] = this.bytes << 3;
  316. blocks[15] = this.hBytes << 3 | this.bytes >>> 29;
  317. this.hash();
  318. };
  319. Md5.prototype.hash = function () {
  320. var a, b, c, d, bc, da, blocks = this.blocks;
  321. if (this.first) {
  322. a = blocks[0] - 680876937;
  323. a = (a << 7 | a >>> 25) - 271733879 << 0;
  324. d = (-1732584194 ^ a & 2004318071) + blocks[1] - 117830708;
  325. d = (d << 12 | d >>> 20) + a << 0;
  326. c = (-271733879 ^ (d & (a ^ -271733879))) + blocks[2] - 1126478375;
  327. c = (c << 17 | c >>> 15) + d << 0;
  328. b = (a ^ (c & (d ^ a))) + blocks[3] - 1316259209;
  329. b = (b << 22 | b >>> 10) + c << 0;
  330. } else {
  331. a = this.h0;
  332. b = this.h1;
  333. c = this.h2;
  334. d = this.h3;
  335. a += (d ^ (b & (c ^ d))) + blocks[0] - 680876936;
  336. a = (a << 7 | a >>> 25) + b << 0;
  337. d += (c ^ (a & (b ^ c))) + blocks[1] - 389564586;
  338. d = (d << 12 | d >>> 20) + a << 0;
  339. c += (b ^ (d & (a ^ b))) + blocks[2] + 606105819;
  340. c = (c << 17 | c >>> 15) + d << 0;
  341. b += (a ^ (c & (d ^ a))) + blocks[3] - 1044525330;
  342. b = (b << 22 | b >>> 10) + c << 0;
  343. }
  344. a += (d ^ (b & (c ^ d))) + blocks[4] - 176418897;
  345. a = (a << 7 | a >>> 25) + b << 0;
  346. d += (c ^ (a & (b ^ c))) + blocks[5] + 1200080426;
  347. d = (d << 12 | d >>> 20) + a << 0;
  348. c += (b ^ (d & (a ^ b))) + blocks[6] - 1473231341;
  349. c = (c << 17 | c >>> 15) + d << 0;
  350. b += (a ^ (c & (d ^ a))) + blocks[7] - 45705983;
  351. b = (b << 22 | b >>> 10) + c << 0;
  352. a += (d ^ (b & (c ^ d))) + blocks[8] + 1770035416;
  353. a = (a << 7 | a >>> 25) + b << 0;
  354. d += (c ^ (a & (b ^ c))) + blocks[9] - 1958414417;
  355. d = (d << 12 | d >>> 20) + a << 0;
  356. c += (b ^ (d & (a ^ b))) + blocks[10] - 42063;
  357. c = (c << 17 | c >>> 15) + d << 0;
  358. b += (a ^ (c & (d ^ a))) + blocks[11] - 1990404162;
  359. b = (b << 22 | b >>> 10) + c << 0;
  360. a += (d ^ (b & (c ^ d))) + blocks[12] + 1804603682;
  361. a = (a << 7 | a >>> 25) + b << 0;
  362. d += (c ^ (a & (b ^ c))) + blocks[13] - 40341101;
  363. d = (d << 12 | d >>> 20) + a << 0;
  364. c += (b ^ (d & (a ^ b))) + blocks[14] - 1502002290;
  365. c = (c << 17 | c >>> 15) + d << 0;
  366. b += (a ^ (c & (d ^ a))) + blocks[15] + 1236535329;
  367. b = (b << 22 | b >>> 10) + c << 0;
  368. a += (c ^ (d & (b ^ c))) + blocks[1] - 165796510;
  369. a = (a << 5 | a >>> 27) + b << 0;
  370. d += (b ^ (c & (a ^ b))) + blocks[6] - 1069501632;
  371. d = (d << 9 | d >>> 23) + a << 0;
  372. c += (a ^ (b & (d ^ a))) + blocks[11] + 643717713;
  373. c = (c << 14 | c >>> 18) + d << 0;
  374. b += (d ^ (a & (c ^ d))) + blocks[0] - 373897302;
  375. b = (b << 20 | b >>> 12) + c << 0;
  376. a += (c ^ (d & (b ^ c))) + blocks[5] - 701558691;
  377. a = (a << 5 | a >>> 27) + b << 0;
  378. d += (b ^ (c & (a ^ b))) + blocks[10] + 38016083;
  379. d = (d << 9 | d >>> 23) + a << 0;
  380. c += (a ^ (b & (d ^ a))) + blocks[15] - 660478335;
  381. c = (c << 14 | c >>> 18) + d << 0;
  382. b += (d ^ (a & (c ^ d))) + blocks[4] - 405537848;
  383. b = (b << 20 | b >>> 12) + c << 0;
  384. a += (c ^ (d & (b ^ c))) + blocks[9] + 568446438;
  385. a = (a << 5 | a >>> 27) + b << 0;
  386. d += (b ^ (c & (a ^ b))) + blocks[14] - 1019803690;
  387. d = (d << 9 | d >>> 23) + a << 0;
  388. c += (a ^ (b & (d ^ a))) + blocks[3] - 187363961;
  389. c = (c << 14 | c >>> 18) + d << 0;
  390. b += (d ^ (a & (c ^ d))) + blocks[8] + 1163531501;
  391. b = (b << 20 | b >>> 12) + c << 0;
  392. a += (c ^ (d & (b ^ c))) + blocks[13] - 1444681467;
  393. a = (a << 5 | a >>> 27) + b << 0;
  394. d += (b ^ (c & (a ^ b))) + blocks[2] - 51403784;
  395. d = (d << 9 | d >>> 23) + a << 0;
  396. c += (a ^ (b & (d ^ a))) + blocks[7] + 1735328473;
  397. c = (c << 14 | c >>> 18) + d << 0;
  398. b += (d ^ (a & (c ^ d))) + blocks[12] - 1926607734;
  399. b = (b << 20 | b >>> 12) + c << 0;
  400. bc = b ^ c;
  401. a += (bc ^ d) + blocks[5] - 378558;
  402. a = (a << 4 | a >>> 28) + b << 0;
  403. d += (bc ^ a) + blocks[8] - 2022574463;
  404. d = (d << 11 | d >>> 21) + a << 0;
  405. da = d ^ a;
  406. c += (da ^ b) + blocks[11] + 1839030562;
  407. c = (c << 16 | c >>> 16) + d << 0;
  408. b += (da ^ c) + blocks[14] - 35309556;
  409. b = (b << 23 | b >>> 9) + c << 0;
  410. bc = b ^ c;
  411. a += (bc ^ d) + blocks[1] - 1530992060;
  412. a = (a << 4 | a >>> 28) + b << 0;
  413. d += (bc ^ a) + blocks[4] + 1272893353;
  414. d = (d << 11 | d >>> 21) + a << 0;
  415. da = d ^ a;
  416. c += (da ^ b) + blocks[7] - 155497632;
  417. c = (c << 16 | c >>> 16) + d << 0;
  418. b += (da ^ c) + blocks[10] - 1094730640;
  419. b = (b << 23 | b >>> 9) + c << 0;
  420. bc = b ^ c;
  421. a += (bc ^ d) + blocks[13] + 681279174;
  422. a = (a << 4 | a >>> 28) + b << 0;
  423. d += (bc ^ a) + blocks[0] - 358537222;
  424. d = (d << 11 | d >>> 21) + a << 0;
  425. da = d ^ a;
  426. c += (da ^ b) + blocks[3] - 722521979;
  427. c = (c << 16 | c >>> 16) + d << 0;
  428. b += (da ^ c) + blocks[6] + 76029189;
  429. b = (b << 23 | b >>> 9) + c << 0;
  430. bc = b ^ c;
  431. a += (bc ^ d) + blocks[9] - 640364487;
  432. a = (a << 4 | a >>> 28) + b << 0;
  433. d += (bc ^ a) + blocks[12] - 421815835;
  434. d = (d << 11 | d >>> 21) + a << 0;
  435. da = d ^ a;
  436. c += (da ^ b) + blocks[15] + 530742520;
  437. c = (c << 16 | c >>> 16) + d << 0;
  438. b += (da ^ c) + blocks[2] - 995338651;
  439. b = (b << 23 | b >>> 9) + c << 0;
  440. a += (c ^ (b | ~d)) + blocks[0] - 198630844;
  441. a = (a << 6 | a >>> 26) + b << 0;
  442. d += (b ^ (a | ~c)) + blocks[7] + 1126891415;
  443. d = (d << 10 | d >>> 22) + a << 0;
  444. c += (a ^ (d | ~b)) + blocks[14] - 1416354905;
  445. c = (c << 15 | c >>> 17) + d << 0;
  446. b += (d ^ (c | ~a)) + blocks[5] - 57434055;
  447. b = (b << 21 | b >>> 11) + c << 0;
  448. a += (c ^ (b | ~d)) + blocks[12] + 1700485571;
  449. a = (a << 6 | a >>> 26) + b << 0;
  450. d += (b ^ (a | ~c)) + blocks[3] - 1894986606;
  451. d = (d << 10 | d >>> 22) + a << 0;
  452. c += (a ^ (d | ~b)) + blocks[10] - 1051523;
  453. c = (c << 15 | c >>> 17) + d << 0;
  454. b += (d ^ (c | ~a)) + blocks[1] - 2054922799;
  455. b = (b << 21 | b >>> 11) + c << 0;
  456. a += (c ^ (b | ~d)) + blocks[8] + 1873313359;
  457. a = (a << 6 | a >>> 26) + b << 0;
  458. d += (b ^ (a | ~c)) + blocks[15] - 30611744;
  459. d = (d << 10 | d >>> 22) + a << 0;
  460. c += (a ^ (d | ~b)) + blocks[6] - 1560198380;
  461. c = (c << 15 | c >>> 17) + d << 0;
  462. b += (d ^ (c | ~a)) + blocks[13] + 1309151649;
  463. b = (b << 21 | b >>> 11) + c << 0;
  464. a += (c ^ (b | ~d)) + blocks[4] - 145523070;
  465. a = (a << 6 | a >>> 26) + b << 0;
  466. d += (b ^ (a | ~c)) + blocks[11] - 1120210379;
  467. d = (d << 10 | d >>> 22) + a << 0;
  468. c += (a ^ (d | ~b)) + blocks[2] + 718787259;
  469. c = (c << 15 | c >>> 17) + d << 0;
  470. b += (d ^ (c | ~a)) + blocks[9] - 343485551;
  471. b = (b << 21 | b >>> 11) + c << 0;
  472. if (this.first) {
  473. this.h0 = a + 1732584193 << 0;
  474. this.h1 = b - 271733879 << 0;
  475. this.h2 = c - 1732584194 << 0;
  476. this.h3 = d + 271733878 << 0;
  477. this.first = false;
  478. } else {
  479. this.h0 = this.h0 + a << 0;
  480. this.h1 = this.h1 + b << 0;
  481. this.h2 = this.h2 + c << 0;
  482. this.h3 = this.h3 + d << 0;
  483. }
  484. };
  485. /**
  486. * @method hex
  487. * @memberof Md5
  488. * @instance
  489. * @description Output hash as hex string
  490. * @returns {String} Hex string
  491. * @see {@link md5.hex}
  492. * @example
  493. * hash.hex();
  494. */
  495. Md5.prototype.hex = function () {
  496. this.finalize();
  497. var h0 = this.h0, h1 = this.h1, h2 = this.h2, h3 = this.h3;
  498. return HEX_CHARS[(h0 >> 4) & 0x0F] + HEX_CHARS[h0 & 0x0F] +
  499. HEX_CHARS[(h0 >> 12) & 0x0F] + HEX_CHARS[(h0 >> 8) & 0x0F] +
  500. HEX_CHARS[(h0 >> 20) & 0x0F] + HEX_CHARS[(h0 >> 16) & 0x0F] +
  501. HEX_CHARS[(h0 >> 28) & 0x0F] + HEX_CHARS[(h0 >> 24) & 0x0F] +
  502. HEX_CHARS[(h1 >> 4) & 0x0F] + HEX_CHARS[h1 & 0x0F] +
  503. HEX_CHARS[(h1 >> 12) & 0x0F] + HEX_CHARS[(h1 >> 8) & 0x0F] +
  504. HEX_CHARS[(h1 >> 20) & 0x0F] + HEX_CHARS[(h1 >> 16) & 0x0F] +
  505. HEX_CHARS[(h1 >> 28) & 0x0F] + HEX_CHARS[(h1 >> 24) & 0x0F] +
  506. HEX_CHARS[(h2 >> 4) & 0x0F] + HEX_CHARS[h2 & 0x0F] +
  507. HEX_CHARS[(h2 >> 12) & 0x0F] + HEX_CHARS[(h2 >> 8) & 0x0F] +
  508. HEX_CHARS[(h2 >> 20) & 0x0F] + HEX_CHARS[(h2 >> 16) & 0x0F] +
  509. HEX_CHARS[(h2 >> 28) & 0x0F] + HEX_CHARS[(h2 >> 24) & 0x0F] +
  510. HEX_CHARS[(h3 >> 4) & 0x0F] + HEX_CHARS[h3 & 0x0F] +
  511. HEX_CHARS[(h3 >> 12) & 0x0F] + HEX_CHARS[(h3 >> 8) & 0x0F] +
  512. HEX_CHARS[(h3 >> 20) & 0x0F] + HEX_CHARS[(h3 >> 16) & 0x0F] +
  513. HEX_CHARS[(h3 >> 28) & 0x0F] + HEX_CHARS[(h3 >> 24) & 0x0F];
  514. };
  515. /**
  516. * @method toString
  517. * @memberof Md5
  518. * @instance
  519. * @description Output hash as hex string
  520. * @returns {String} Hex string
  521. * @see {@link md5.hex}
  522. * @example
  523. * hash.toString();
  524. */
  525. Md5.prototype.toString = Md5.prototype.hex;
  526. /**
  527. * @method digest
  528. * @memberof Md5
  529. * @instance
  530. * @description Output hash as bytes array
  531. * @returns {Array} Bytes array
  532. * @see {@link md5.digest}
  533. * @example
  534. * hash.digest();
  535. */
  536. Md5.prototype.digest = function () {
  537. this.finalize();
  538. var h0 = this.h0, h1 = this.h1, h2 = this.h2, h3 = this.h3;
  539. return [
  540. h0 & 0xFF, (h0 >> 8) & 0xFF, (h0 >> 16) & 0xFF, (h0 >> 24) & 0xFF,
  541. h1 & 0xFF, (h1 >> 8) & 0xFF, (h1 >> 16) & 0xFF, (h1 >> 24) & 0xFF,
  542. h2 & 0xFF, (h2 >> 8) & 0xFF, (h2 >> 16) & 0xFF, (h2 >> 24) & 0xFF,
  543. h3 & 0xFF, (h3 >> 8) & 0xFF, (h3 >> 16) & 0xFF, (h3 >> 24) & 0xFF
  544. ];
  545. };
  546. /**
  547. * @method array
  548. * @memberof Md5
  549. * @instance
  550. * @description Output hash as bytes array
  551. * @returns {Array} Bytes array
  552. * @see {@link md5.array}
  553. * @example
  554. * hash.array();
  555. */
  556. Md5.prototype.array = Md5.prototype.digest;
  557. /**
  558. * @method arrayBuffer
  559. * @memberof Md5
  560. * @instance
  561. * @description Output hash as ArrayBuffer
  562. * @returns {ArrayBuffer} ArrayBuffer
  563. * @see {@link md5.arrayBuffer}
  564. * @example
  565. * hash.arrayBuffer();
  566. */
  567. Md5.prototype.arrayBuffer = function () {
  568. this.finalize();
  569. var buffer = new ArrayBuffer(16);
  570. var blocks = new Uint32Array(buffer);
  571. blocks[0] = this.h0;
  572. blocks[1] = this.h1;
  573. blocks[2] = this.h2;
  574. blocks[3] = this.h3;
  575. return buffer;
  576. };
  577. /**
  578. * @method buffer
  579. * @deprecated This maybe confuse with Buffer in node.js. Please use arrayBuffer instead.
  580. * @memberof Md5
  581. * @instance
  582. * @description Output hash as ArrayBuffer
  583. * @returns {ArrayBuffer} ArrayBuffer
  584. * @see {@link md5.buffer}
  585. * @example
  586. * hash.buffer();
  587. */
  588. Md5.prototype.buffer = Md5.prototype.arrayBuffer;
  589. /**
  590. * @method base64
  591. * @memberof Md5
  592. * @instance
  593. * @description Output hash as base64 string
  594. * @returns {String} base64 string
  595. * @see {@link md5.base64}
  596. * @example
  597. * hash.base64();
  598. */
  599. Md5.prototype.base64 = function () {
  600. var v1, v2, v3, base64Str = '', bytes = this.array();
  601. for (var i = 0; i < 15;) {
  602. v1 = bytes[i++];
  603. v2 = bytes[i++];
  604. v3 = bytes[i++];
  605. base64Str += BASE64_ENCODE_CHAR[v1 >>> 2] +
  606. BASE64_ENCODE_CHAR[(v1 << 4 | v2 >>> 4) & 63] +
  607. BASE64_ENCODE_CHAR[(v2 << 2 | v3 >>> 6) & 63] +
  608. BASE64_ENCODE_CHAR[v3 & 63];
  609. }
  610. v1 = bytes[i];
  611. base64Str += BASE64_ENCODE_CHAR[v1 >>> 2] +
  612. BASE64_ENCODE_CHAR[(v1 << 4) & 63] +
  613. '==';
  614. return base64Str;
  615. };
  616. var exports = createMethod();
  617. if (COMMON_JS) {
  618. module.exports = exports;
  619. } else {
  620. /**
  621. * @method md5
  622. * @description Md5 hash function, export to global in browsers.
  623. * @param {String|Array|Uint8Array|ArrayBuffer} message message to hash
  624. * @returns {String} md5 hashes
  625. * @example
  626. * md5(''); // d41d8cd98f00b204e9800998ecf8427e
  627. * md5('The quick brown fox jumps over the lazy dog'); // 9e107d9d372bb6826bd81d3542a419d6
  628. * md5('The quick brown fox jumps over the lazy dog.'); // e4d909c290d0fb1ca068ffaddf22cbd0
  629. *
  630. * // It also supports UTF-8 encoding
  631. * md5('中文'); // a7bac2239fcdcb3a067903d8077c4a07
  632. *
  633. * // It also supports byte `Array`, `Uint8Array`, `ArrayBuffer`
  634. * md5([]); // d41d8cd98f00b204e9800998ecf8427e
  635. * md5(new Uint8Array([])); // d41d8cd98f00b204e9800998ecf8427e
  636. */
  637. root.md5 = exports;
  638. if (AMD) {
  639. define(function () {
  640. return exports;
  641. });
  642. }
  643. }
  644. })();