| 1 | /** |
| 2 | * [js-md4]{@link https://github.com/emn178/js-md4} |
| 3 | * |
| 4 | * @namespace md4 |
| 5 | * @version 0.3.2 |
| 6 | * @author Yi-Cyuan Chen [emn178@gmail.com] |
| 7 | * @copyright Yi-Cyuan Chen 2015-2027 |
| 8 | * @license MIT |
| 9 | */ |
| 10 | /*jslint bitwise: true */ |
| 11 | (function () { |
| 12 | 'use strict'; |
| 13 | |
| 14 | var root = typeof window === 'object' ? window : {}; |
| 15 | var NODE_JS = !root.JS_MD4_NO_NODE_JS && typeof process === 'object' && process.versions && process.versions.node; |
| 16 | if (NODE_JS) { |
| 17 | root = global; |
| 18 | } |
| 19 | var COMMON_JS = !root.JS_MD4_NO_COMMON_JS && typeof module === 'object' && module.exports; |
| 20 | var AMD = typeof define === 'function' && define.amd; |
| 21 | var ARRAY_BUFFER = !root.JS_MD4_NO_ARRAY_BUFFER && typeof ArrayBuffer !== 'undefined'; |
| 22 | var HEX_CHARS = '0123456789abcdef'.split(''); |
| 23 | var EXTRA = [128, 32768, 8388608, -2147483648]; |
| 24 | var SHIFT = [0, 8, 16, 24]; |
| 25 | var OUTPUT_TYPES = ['hex', 'array', 'digest', 'buffer', 'arrayBuffer']; |
| 26 | |
| 27 | var blocks = [], buffer8; |
| 28 | if (ARRAY_BUFFER) { |
| 29 | var buffer = new ArrayBuffer(68); |
| 30 | buffer8 = new Uint8Array(buffer); |
| 31 | blocks = new Uint32Array(buffer); |
| 32 | } |
| 33 | |
| 34 | /** |
| 35 | * @method hex |
| 36 | * @memberof md4 |
| 37 | * @description Output hash as hex string |
| 38 | * @param {String|Array|Uint8Array|ArrayBuffer} message message to hash |
| 39 | * @returns {String} Hex string |
| 40 | * @example |
| 41 | * md4.hex('The quick brown fox jumps over the lazy dog'); |
| 42 | * // equal to |
| 43 | * md4('The quick brown fox jumps over the lazy dog'); |
| 44 | */ |
| 45 | /** |
| 46 | * @method digest |
| 47 | * @memberof md4 |
| 48 | * @description Output hash as bytes array |
| 49 | * @param {String|Array|Uint8Array|ArrayBuffer} message message to hash |
| 50 | * @returns {Array} Bytes array |
| 51 | * @example |
| 52 | * md4.digest('The quick brown fox jumps over the lazy dog'); |
| 53 | */ |
| 54 | /** |
| 55 | * @method array |
| 56 | * @memberof md4 |
| 57 | * @description Output hash as bytes array |
| 58 | * @param {String|Array|Uint8Array|ArrayBuffer} message message to hash |
| 59 | * @returns {Array} Bytes array |
| 60 | * @example |
| 61 | * md4.array('The quick brown fox jumps over the lazy dog'); |
| 62 | */ |
| 63 | /** |
| 64 | * @method buffer |
| 65 | * @memberof md4 |
| 66 | * @description Output hash as ArrayBuffer |
| 67 | * @param {String|Array|Uint8Array|ArrayBuffer} message message to hash |
| 68 | * @returns {ArrayBuffer} ArrayBuffer |
| 69 | * @example |
| 70 | * md4.buffer('The quick brown fox jumps over the lazy dog'); |
| 71 | */ |
| 72 | var createOutputMethod = function (outputType) { |
| 73 | return function(message) { |
| 74 | return new Md4(true).update(message)[outputType](); |
| 75 | } |
| 76 | }; |
| 77 | |
| 78 | /** |
| 79 | * @method create |
| 80 | * @memberof md4 |
| 81 | * @description Create Md4 object |
| 82 | * @returns {Md4} MD4 object. |
| 83 | * @example |
| 84 | * var hash = md4.create(); |
| 85 | */ |
| 86 | /** |
| 87 | * @method update |
| 88 | * @memberof md4 |
| 89 | * @description Create and update Md4 object |
| 90 | * @param {String|Array|Uint8Array|ArrayBuffer} message message to hash |
| 91 | * @returns {Md4} MD4 object. |
| 92 | * @example |
| 93 | * var hash = md4.update('The quick brown fox jumps over the lazy dog'); |
| 94 | * // equal to |
| 95 | * var hash = md4.create(); |
| 96 | * hash.update('The quick brown fox jumps over the lazy dog'); |
| 97 | */ |
| 98 | var createMethod = function () { |
| 99 | var method = createOutputMethod('hex'); |
| 100 | method.create = function () { |
| 101 | return new Md4(); |
| 102 | }; |
| 103 | method.update = function (message) { |
| 104 | return method.create().update(message); |
| 105 | }; |
| 106 | for (var i = 0; i < OUTPUT_TYPES.length; ++i) { |
| 107 | var type = OUTPUT_TYPES[i]; |
| 108 | method[type] = createOutputMethod(type); |
| 109 | } |
| 110 | return method; |
| 111 | }; |
| 112 | |
| 113 | var nodeWrap = function (method) { |
| 114 | var crypto = require('crypto'); |
| 115 | var Buffer = require('buffer').Buffer; |
| 116 | var nodeMethod = function (message) { |
| 117 | if (typeof message === 'string') { |
| 118 | return crypto.createHash('md4').update(message, 'utf8').digest('hex'); |
| 119 | } else if (ARRAY_BUFFER && message instanceof ArrayBuffer) { |
| 120 | message = new Uint8Array(message); |
| 121 | } else if (message.length === undefined) { |
| 122 | return method(message); |
| 123 | } |
| 124 | return crypto.createHash('md4').update(Buffer.from(message)).digest('hex'); |
| 125 | }; |
| 126 | return nodeMethod; |
| 127 | }; |
| 128 | |
| 129 | /** |
| 130 | * Md4 class |
| 131 | * @class Md4 |
| 132 | * @description This is internal class. |
| 133 | * @see {@link md4.create} |
| 134 | */ |
| 135 | function Md4(sharedMemory) { |
| 136 | if (sharedMemory) { |
| 137 | blocks[0] = blocks[16] = blocks[1] = blocks[2] = blocks[3] = |
| 138 | blocks[4] = blocks[5] = blocks[6] = blocks[7] = |
| 139 | blocks[8] = blocks[9] = blocks[10] = blocks[11] = |
| 140 | blocks[12] = blocks[13] = blocks[14] = blocks[15] = 0; |
| 141 | this.blocks = blocks; |
| 142 | this.buffer8 = buffer8; |
| 143 | } else { |
| 144 | if (ARRAY_BUFFER) { |
| 145 | var buffer = new ArrayBuffer(68); |
| 146 | this.buffer8 = new Uint8Array(buffer); |
| 147 | this.blocks = new Uint32Array(buffer); |
| 148 | } else { |
| 149 | this.blocks = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]; |
| 150 | } |
| 151 | } |
| 152 | this.h0 = this.h1 = this.h2 = this.h3 = this.start = this.bytes = 0; |
| 153 | this.finalized = this.hashed = false; |
| 154 | this.first = true; |
| 155 | } |
| 156 | |
| 157 | /** |
| 158 | * @method update |
| 159 | * @memberof Md4 |
| 160 | * @instance |
| 161 | * @description Update hash |
| 162 | * @param {String|Array|Uint8Array|ArrayBuffer} message message to hash |
| 163 | * @returns {Md4} MD4 object. |
| 164 | * @see {@link md4.update} |
| 165 | */ |
| 166 | Md4.prototype.update = function (message) { |
| 167 | if (this.finalized) { |
| 168 | return; |
| 169 | } |
| 170 | var notString = typeof message !== 'string'; |
| 171 | if (notString && ARRAY_BUFFER && message instanceof ArrayBuffer) { |
| 172 | message = new Uint8Array(message); |
| 173 | } |
| 174 | var code, index = 0, i, length = message.length || 0, blocks = this.blocks; |
| 175 | var buffer8 = this.buffer8; |
| 176 | |
| 177 | while (index < length) { |
| 178 | if (this.hashed) { |
| 179 | this.hashed = false; |
| 180 | blocks[0] = blocks[16]; |
| 181 | blocks[16] = blocks[1] = blocks[2] = blocks[3] = |
| 182 | blocks[4] = blocks[5] = blocks[6] = blocks[7] = |
| 183 | blocks[8] = blocks[9] = blocks[10] = blocks[11] = |
| 184 | blocks[12] = blocks[13] = blocks[14] = blocks[15] = 0; |
| 185 | } |
| 186 | |
| 187 | if (notString) { |
| 188 | if (ARRAY_BUFFER) { |
| 189 | for (i = this.start; index < length && i < 64; ++index) { |
| 190 | buffer8[i++] = message[index]; |
| 191 | } |
| 192 | } else { |
| 193 | for (i = this.start; index < length && i < 64; ++index) { |
| 194 | blocks[i >> 2] |= message[index] << SHIFT[i++ & 3]; |
| 195 | } |
| 196 | } |
| 197 | } else { |
| 198 | if (ARRAY_BUFFER) { |
| 199 | for (i = this.start; index < length && i < 64; ++index) { |
| 200 | code = message.charCodeAt(index); |
| 201 | if (code < 0x80) { |
| 202 | buffer8[i++] = code; |
| 203 | } else if (code < 0x800) { |
| 204 | buffer8[i++] = 0xc0 | (code >> 6); |
| 205 | buffer8[i++] = 0x80 | (code & 0x3f); |
| 206 | } else if (code < 0xd800 || code >= 0xe000) { |
| 207 | buffer8[i++] = 0xe0 | (code >> 12); |
| 208 | buffer8[i++] = 0x80 | ((code >> 6) & 0x3f); |
| 209 | buffer8[i++] = 0x80 | (code & 0x3f); |
| 210 | } else { |
| 211 | code = 0x10000 + (((code & 0x3ff) << 10) | (message.charCodeAt(++index) & 0x3ff)); |
| 212 | buffer8[i++] = 0xf0 | (code >> 18); |
| 213 | buffer8[i++] = 0x80 | ((code >> 12) & 0x3f); |
| 214 | buffer8[i++] = 0x80 | ((code >> 6) & 0x3f); |
| 215 | buffer8[i++] = 0x80 | (code & 0x3f); |
| 216 | } |
| 217 | } |
| 218 | } else { |
| 219 | for (i = this.start; index < length && i < 64; ++index) { |
| 220 | code = message.charCodeAt(index); |
| 221 | if (code < 0x80) { |
| 222 | blocks[i >> 2] |= code << SHIFT[i++ & 3]; |
| 223 | } else if (code < 0x800) { |
| 224 | blocks[i >> 2] |= (0xc0 | (code >> 6)) << SHIFT[i++ & 3]; |
| 225 | blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3]; |
| 226 | } else if (code < 0xd800 || code >= 0xe000) { |
| 227 | blocks[i >> 2] |= (0xe0 | (code >> 12)) << SHIFT[i++ & 3]; |
| 228 | blocks[i >> 2] |= (0x80 | ((code >> 6) & 0x3f)) << SHIFT[i++ & 3]; |
| 229 | blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3]; |
| 230 | } else { |
| 231 | code = 0x10000 + (((code & 0x3ff) << 10) | (message.charCodeAt(++index) & 0x3ff)); |
| 232 | blocks[i >> 2] |= (0xf0 | (code >> 18)) << SHIFT[i++ & 3]; |
| 233 | blocks[i >> 2] |= (0x80 | ((code >> 12) & 0x3f)) << SHIFT[i++ & 3]; |
| 234 | blocks[i >> 2] |= (0x80 | ((code >> 6) & 0x3f)) << SHIFT[i++ & 3]; |
| 235 | blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3]; |
| 236 | } |
| 237 | } |
| 238 | } |
| 239 | } |
| 240 | this.lastByteIndex = i; |
| 241 | this.bytes += i - this.start; |
| 242 | if (i >= 64) { |
| 243 | this.start = i - 64; |
| 244 | this.hash(); |
| 245 | this.hashed = true; |
| 246 | } else { |
| 247 | this.start = i; |
| 248 | } |
| 249 | } |
| 250 | return this; |
| 251 | }; |
| 252 | |
| 253 | Md4.prototype.finalize = function () { |
| 254 | if (this.finalized) { |
| 255 | return; |
| 256 | } |
| 257 | this.finalized = true; |
| 258 | var blocks = this.blocks, i = this.lastByteIndex; |
| 259 | blocks[i >> 2] |= EXTRA[i & 3]; |
| 260 | if (i >= 56) { |
| 261 | if (!this.hashed) { |
| 262 | this.hash(); |
| 263 | } |
| 264 | blocks[0] = blocks[16]; |
| 265 | blocks[16] = blocks[1] = blocks[2] = blocks[3] = |
| 266 | blocks[4] = blocks[5] = blocks[6] = blocks[7] = |
| 267 | blocks[8] = blocks[9] = blocks[10] = blocks[11] = |
| 268 | blocks[12] = blocks[13] = blocks[14] = blocks[15] = 0; |
| 269 | } |
| 270 | blocks[14] = this.bytes << 3; |
| 271 | this.hash(); |
| 272 | }; |
| 273 | |
| 274 | Md4.prototype.hash = function () { |
| 275 | var a, b, c, d, ab, bc, cd, da, blocks = this.blocks; |
| 276 | |
| 277 | if (this.first) { |
| 278 | a = blocks[0] - 1; |
| 279 | a = (a << 3) | (a >>> 29); |
| 280 | d = ((a & 0xefcdab89) | (~a & 0x98badcfe)) + blocks[1] + 271733878; |
| 281 | d = (d << 7) | (d >>> 25); |
| 282 | c = ((d & a) | (~d & 0xefcdab89)) + blocks[2] - 1732584194; |
| 283 | c = (c << 11) | (c >>> 21); |
| 284 | b = ((c & d) | (~c & a)) + blocks[3] - 271733879; |
| 285 | b = (b << 19) | (b >>> 13); |
| 286 | } else { |
| 287 | a = this.h0; |
| 288 | b = this.h1; |
| 289 | c = this.h2; |
| 290 | d = this.h3; |
| 291 | a += ((b & c) | (~b & d)) + blocks[0]; |
| 292 | a = (a << 3) | (a >>> 29); |
| 293 | d += ((a & b) | (~a & c)) + blocks[1]; |
| 294 | d = (d << 7) | (d >>> 25); |
| 295 | c += ((d & a) | (~d & b)) + blocks[2]; |
| 296 | c = (c << 11) | (c >>> 21); |
| 297 | b += ((c & d) | (~c & a)) + blocks[3]; |
| 298 | b = (b << 19) | (b >>> 13); |
| 299 | } |
| 300 | a += ((b & c) | (~b & d)) + blocks[4]; |
| 301 | a = (a << 3) | (a >>> 29); |
| 302 | d += ((a & b) | (~a & c)) + blocks[5]; |
| 303 | d = (d << 7) | (d >>> 25); |
| 304 | c += ((d & a) | (~d & b)) + blocks[6]; |
| 305 | c = (c << 11) | (c >>> 21); |
| 306 | b += ((c & d) | (~c & a)) + blocks[7]; |
| 307 | b = (b << 19) | (b >>> 13); |
| 308 | a += ((b & c) | (~b & d)) + blocks[8]; |
| 309 | a = (a << 3) | (a >>> 29); |
| 310 | d += ((a & b) | (~a & c)) + blocks[9]; |
| 311 | d = (d << 7) | (d >>> 25); |
| 312 | c += ((d & a) | (~d & b)) + blocks[10]; |
| 313 | c = (c << 11) | (c >>> 21); |
| 314 | b += ((c & d) | (~c & a)) + blocks[11]; |
| 315 | b = (b << 19) | (b >>> 13); |
| 316 | a += ((b & c) | (~b & d)) + blocks[12]; |
| 317 | a = (a << 3) | (a >>> 29); |
| 318 | d += ((a & b) | (~a & c)) + blocks[13]; |
| 319 | d = (d << 7) | (d >>> 25); |
| 320 | c += ((d & a) | (~d & b)) + blocks[14]; |
| 321 | c = (c << 11) | (c >>> 21); |
| 322 | b += ((c & d) | (~c & a)) + blocks[15]; |
| 323 | b = (b << 19) | (b >>> 13); |
| 324 | |
| 325 | bc = b & c; |
| 326 | a += (bc | (b & d) | (c & d)) + blocks[0] + 1518500249; |
| 327 | a = (a << 3) | (a >>> 29); |
| 328 | ab = a & b; |
| 329 | d += (ab | (a & c) | bc) + blocks[4] + 1518500249; |
| 330 | d = (d << 5) | (d >>> 27); |
| 331 | da = d & a; |
| 332 | c += (da | (d & b) | ab) + blocks[8] + 1518500249; |
| 333 | c = (c << 9) | (c >>> 23); |
| 334 | cd = c & d; |
| 335 | b += (cd | (c & a) | da) + blocks[12] + 1518500249; |
| 336 | b = (b << 13) | (b >>> 19); |
| 337 | bc = b & c; |
| 338 | a += (bc | (b & d) | cd) + blocks[1] + 1518500249; |
| 339 | a = (a << 3) | (a >>> 29); |
| 340 | ab = a & b; |
| 341 | d += (ab | (a & c) | bc) + blocks[5] + 1518500249; |
| 342 | d = (d << 5) | (d >>> 27); |
| 343 | da = d & a; |
| 344 | c += (da | (d & b) | ab) + blocks[9] + 1518500249; |
| 345 | c = (c << 9) | (c >>> 23); |
| 346 | cd = c & d; |
| 347 | b += (cd | (c & a) | da) + blocks[13] + 1518500249; |
| 348 | b = (b << 13) | (b >>> 19); |
| 349 | bc = b & c; |
| 350 | a += (bc | (b & d) | cd) + blocks[2] + 1518500249; |
| 351 | a = (a << 3) | (a >>> 29); |
| 352 | ab = a & b; |
| 353 | d += (ab | (a & c) | bc) + blocks[6] + 1518500249; |
| 354 | d = (d << 5) | (d >>> 27); |
| 355 | da = d & a; |
| 356 | c += (da | (d & b) | ab) + blocks[10] + 1518500249; |
| 357 | c = (c << 9) | (c >>> 23); |
| 358 | cd = c & d; |
| 359 | b += (cd | (c & a) | da) + blocks[14] + 1518500249; |
| 360 | b = (b << 13) | (b >>> 19); |
| 361 | bc = b & c; |
| 362 | a += (bc | (b & d) | cd) + blocks[3] + 1518500249; |
| 363 | a = (a << 3) | (a >>> 29); |
| 364 | ab = a & b; |
| 365 | d += (ab | (a & c) | bc) + blocks[7] + 1518500249; |
| 366 | d = (d << 5) | (d >>> 27); |
| 367 | da = d & a; |
| 368 | c += (da | (d & b) | ab) + blocks[11] + 1518500249; |
| 369 | c = (c << 9) | (c >>> 23); |
| 370 | b += ((c & d) | (c & a) | da) + blocks[15] + 1518500249; |
| 371 | b = (b << 13) | (b >>> 19); |
| 372 | |
| 373 | bc = b ^ c; |
| 374 | a += (bc ^ d) + blocks[0] + 1859775393; |
| 375 | a = (a << 3) | (a >>> 29); |
| 376 | d += (bc ^ a) + blocks[8] + 1859775393; |
| 377 | d = (d << 9) | (d >>> 23); |
| 378 | da = d ^ a; |
| 379 | c += (da ^ b) + blocks[4] + 1859775393; |
| 380 | c = (c << 11) | (c >>> 21); |
| 381 | b += (da ^ c) + blocks[12] + 1859775393; |
| 382 | b = (b << 15) | (b >>> 17); |
| 383 | bc = b ^ c; |
| 384 | a += (bc ^ d) + blocks[2] + 1859775393; |
| 385 | a = (a << 3) | (a >>> 29); |
| 386 | d += (bc ^ a) + blocks[10] + 1859775393; |
| 387 | d = (d << 9) | (d >>> 23); |
| 388 | da = d ^ a; |
| 389 | c += (da ^ b) + blocks[6] + 1859775393; |
| 390 | c = (c << 11) | (c >>> 21); |
| 391 | b += (da ^ c) + blocks[14] + 1859775393; |
| 392 | b = (b << 15) | (b >>> 17); |
| 393 | bc = b ^ c; |
| 394 | a += (bc ^ d) + blocks[1] + 1859775393; |
| 395 | a = (a << 3) | (a >>> 29); |
| 396 | d += (bc ^ a) + blocks[9] + 1859775393; |
| 397 | d = (d << 9) | (d >>> 23); |
| 398 | da = d ^ a; |
| 399 | c += (da ^ b) + blocks[5] + 1859775393; |
| 400 | c = (c << 11) | (c >>> 21); |
| 401 | b += (da ^ c) + blocks[13] + 1859775393; |
| 402 | b = (b << 15) | (b >>> 17); |
| 403 | bc = b ^ c; |
| 404 | a += (bc ^ d) + blocks[3] + 1859775393; |
| 405 | a = (a << 3) | (a >>> 29); |
| 406 | d += (bc ^ a) + blocks[11] + 1859775393; |
| 407 | d = (d << 9) | (d >>> 23); |
| 408 | da = d ^ a; |
| 409 | c += (da ^ b) + blocks[7] + 1859775393; |
| 410 | c = (c << 11) | (c >>> 21); |
| 411 | b += (da ^ c) + blocks[15] + 1859775393; |
| 412 | b = (b << 15) | (b >>> 17); |
| 413 | |
| 414 | if (this.first) { |
| 415 | this.h0 = a + 1732584193 << 0; |
| 416 | this.h1 = b - 271733879 << 0; |
| 417 | this.h2 = c - 1732584194 << 0; |
| 418 | this.h3 = d + 271733878 << 0; |
| 419 | this.first = false; |
| 420 | } else { |
| 421 | this.h0 = this.h0 + a << 0; |
| 422 | this.h1 = this.h1 + b << 0; |
| 423 | this.h2 = this.h2 + c << 0; |
| 424 | this.h3 = this.h3 + d << 0; |
| 425 | } |
| 426 | }; |
| 427 | |
| 428 | /** |
| 429 | * @method hex |
| 430 | * @memberof Md4 |
| 431 | * @instance |
| 432 | * @description Output hash as hex string |
| 433 | * @returns {String} Hex string |
| 434 | * @see {@link md4.hex} |
| 435 | * @example |
| 436 | * hash.hex(); |
| 437 | */ |
| 438 | Md4.prototype.hex = function () { |
| 439 | this.finalize(); |
| 440 | |
| 441 | var h0 = this.h0, h1 = this.h1, h2 = this.h2, h3 = this.h3; |
| 442 | |
| 443 | return HEX_CHARS[(h0 >> 4) & 0x0F] + HEX_CHARS[h0 & 0x0F] + |
| 444 | HEX_CHARS[(h0 >> 12) & 0x0F] + HEX_CHARS[(h0 >> 8) & 0x0F] + |
| 445 | HEX_CHARS[(h0 >> 20) & 0x0F] + HEX_CHARS[(h0 >> 16) & 0x0F] + |
| 446 | HEX_CHARS[(h0 >> 28) & 0x0F] + HEX_CHARS[(h0 >> 24) & 0x0F] + |
| 447 | HEX_CHARS[(h1 >> 4) & 0x0F] + HEX_CHARS[h1 & 0x0F] + |
| 448 | HEX_CHARS[(h1 >> 12) & 0x0F] + HEX_CHARS[(h1 >> 8) & 0x0F] + |
| 449 | HEX_CHARS[(h1 >> 20) & 0x0F] + HEX_CHARS[(h1 >> 16) & 0x0F] + |
| 450 | HEX_CHARS[(h1 >> 28) & 0x0F] + HEX_CHARS[(h1 >> 24) & 0x0F] + |
| 451 | HEX_CHARS[(h2 >> 4) & 0x0F] + HEX_CHARS[h2 & 0x0F] + |
| 452 | HEX_CHARS[(h2 >> 12) & 0x0F] + HEX_CHARS[(h2 >> 8) & 0x0F] + |
| 453 | HEX_CHARS[(h2 >> 20) & 0x0F] + HEX_CHARS[(h2 >> 16) & 0x0F] + |
| 454 | HEX_CHARS[(h2 >> 28) & 0x0F] + HEX_CHARS[(h2 >> 24) & 0x0F] + |
| 455 | HEX_CHARS[(h3 >> 4) & 0x0F] + HEX_CHARS[h3 & 0x0F] + |
| 456 | HEX_CHARS[(h3 >> 12) & 0x0F] + HEX_CHARS[(h3 >> 8) & 0x0F] + |
| 457 | HEX_CHARS[(h3 >> 20) & 0x0F] + HEX_CHARS[(h3 >> 16) & 0x0F] + |
| 458 | HEX_CHARS[(h3 >> 28) & 0x0F] + HEX_CHARS[(h3 >> 24) & 0x0F]; |
| 459 | }; |
| 460 | |
| 461 | /** |
| 462 | * @method toString |
| 463 | * @memberof Md4 |
| 464 | * @instance |
| 465 | * @description Output hash as hex string |
| 466 | * @returns {String} Hex string |
| 467 | * @see {@link md4.hex} |
| 468 | * @example |
| 469 | * hash.toString(); |
| 470 | */ |
| 471 | Md4.prototype.toString = Md4.prototype.hex; |
| 472 | |
| 473 | /** |
| 474 | * @method digest |
| 475 | * @memberof Md4 |
| 476 | * @instance |
| 477 | * @description Output hash as bytes array |
| 478 | * @returns {Array} Bytes array |
| 479 | * @see {@link md4.digest} |
| 480 | * @example |
| 481 | * hash.digest(); |
| 482 | */ |
| 483 | Md4.prototype.digest = function() { |
| 484 | this.finalize(); |
| 485 | |
| 486 | var h0 = this.h0, h1 = this.h1, h2 = this.h2, h3 = this.h3; |
| 487 | return [ |
| 488 | h0 & 0xFF, (h0 >> 8) & 0xFF, (h0 >> 16) & 0xFF, (h0 >> 24) & 0xFF, |
| 489 | h1 & 0xFF, (h1 >> 8) & 0xFF, (h1 >> 16) & 0xFF, (h1 >> 24) & 0xFF, |
| 490 | h2 & 0xFF, (h2 >> 8) & 0xFF, (h2 >> 16) & 0xFF, (h2 >> 24) & 0xFF, |
| 491 | h3 & 0xFF, (h3 >> 8) & 0xFF, (h3 >> 16) & 0xFF, (h3 >> 24) & 0xFF |
| 492 | ]; |
| 493 | }; |
| 494 | |
| 495 | /** |
| 496 | * @method array |
| 497 | * @memberof Md4 |
| 498 | * @instance |
| 499 | * @description Output hash as bytes array |
| 500 | * @returns {Array} Bytes array |
| 501 | * @see {@link md4.array} |
| 502 | * @example |
| 503 | * hash.array(); |
| 504 | */ |
| 505 | Md4.prototype.array = Md4.prototype.digest; |
| 506 | |
| 507 | /** |
| 508 | * @method arrayBuffer |
| 509 | * @memberof Md4 |
| 510 | * @instance |
| 511 | * @description Output hash as ArrayBuffer |
| 512 | * @returns {ArrayBuffer} ArrayBuffer |
| 513 | * @see {@link md4.arrayBuffer} |
| 514 | * @example |
| 515 | * hash.arrayBuffer(); |
| 516 | */ |
| 517 | Md4.prototype.arrayBuffer = function() { |
| 518 | this.finalize(); |
| 519 | |
| 520 | var buffer = new ArrayBuffer(16); |
| 521 | var blocks = new Uint32Array(buffer); |
| 522 | blocks[0] = this.h0; |
| 523 | blocks[1] = this.h1; |
| 524 | blocks[2] = this.h2; |
| 525 | blocks[3] = this.h3; |
| 526 | return buffer; |
| 527 | }; |
| 528 | |
| 529 | /** |
| 530 | * @method buffer |
| 531 | * @deprecated This maybe confuse with Buffer in node.js. Please use arrayBuffer instead. |
| 532 | * @memberof Md4 |
| 533 | * @instance |
| 534 | * @description Output hash as ArrayBuffer |
| 535 | * @returns {ArrayBuffer} ArrayBuffer |
| 536 | * @see {@link md4.buffer} |
| 537 | * @example |
| 538 | * hash.buffer(); |
| 539 | */ |
| 540 | Md4.prototype.buffer = Md4.prototype.arrayBuffer; |
| 541 | |
| 542 | var exports = createMethod(); |
| 543 | |
| 544 | if (COMMON_JS) { |
| 545 | module.exports = exports; |
| 546 | } else { |
| 547 | /** |
| 548 | * @method md4 |
| 549 | * @description MD4 hash function, export to global in browsers. |
| 550 | * @param {String|Array|Uint8Array|ArrayBuffer} message message to hash |
| 551 | * @returns {String} md4 hashes |
| 552 | * @example |
| 553 | * md4(''); // 31d6cfe0d16ae931b73c59d7e0c089c0 |
| 554 | * md4('The quick brown fox jumps over the lazy dog'); // 1bee69a46ba811185c194762abaeae90 |
| 555 | * md4('The quick brown fox jumps over the lazy dog.'); // 2812c6c7136898c51f6f6739ad08750e |
| 556 | * |
| 557 | * // It also supports UTF-8 encoding |
| 558 | * md4('中文'); // 223088bf7bd45a16436b15360c5fc5a0 |
| 559 | * |
| 560 | * // It also supports byte `Array`, `Uint8Array`, `ArrayBuffer` |
| 561 | * md4([]); // 31d6cfe0d16ae931b73c59d7e0c089c0 |
| 562 | * md4(new Uint8Array([])); // 31d6cfe0d16ae931b73c59d7e0c089c0 |
| 563 | */ |
| 564 | root.md4 = exports; |
| 565 | if (AMD) { |
| 566 | define(function () { |
| 567 | return exports; |
| 568 | }); |
| 569 | } |
| 570 | } |
| 571 | })(); |