1 2/* global define */ 3 4/* eslint-disable strict */ 5 6;(function ($) { 7 'use strict' 8 9 /** 10 * Add integers, wrapping at 2^32. 11 * This uses 16-bit operations internally to work around bugs in interpreters. 12 * 13 * @param {number} x First integer 14 * @param {number} y Second integer 15 * @returns {number} Sum 16 */ 17 function safeAdd(x, y) { 18 var lsw = (x & 0xffff) + (y & 0xffff) 19 var msw = (x >> 16) + (y >> 16) + (lsw >> 16) 20 return (msw << 16) | (lsw & 0xffff) 21 } 22 23 /** 24 * Bitwise rotate a 32-bit number to the left. 25 * 26 * @param {number} num 32-bit number 27 * @param {number} cnt Rotation count 28 * @returns {number} Rotated number 29 */ 30 function bitRotateLeft(num, cnt) { 31 return (num << cnt) | (num >>> (32 - cnt)) 32 } 33 34 /** 35 * Basic operation the algorithm uses. 36 * 37 * @param {number} q q 38 * @param {number} a a 39 * @param {number} b b 40 * @param {number} x x 41 * @param {number} s s 42 * @param {number} t t 43 * @returns {number} Result 44 */ 45 function md5cmn(q, a, b, x, s, t) { 46 return safeAdd(bitRotateLeft(safeAdd(safeAdd(a, q), safeAdd(x, t)), s), b) 47 } 48 /** 49 * Basic operation the algorithm uses. 50 * 51 * @param {number} a a 52 * @param {number} b b 53 * @param {number} c c 54 * @param {number} d d 55 * @param {number} x x 56 * @param {number} s s 57 * @param {number} t t 58 * @returns {number} Result 59 */ 60 function md5ff(a, b, c, d, x, s, t) { 61 return md5cmn((b & c) | (~b & d), a, b, x, s, t) 62 } 63 /** 64 * Basic operation the algorithm uses. 65 * 66 * @param {number} a a 67 * @param {number} b b 68 * @param {number} c c 69 * @param {number} d d 70 * @param {number} x x 71 * @param {number} s s 72 * @param {number} t t 73 * @returns {number} Result 74 */ 75 function md5gg(a, b, c, d, x, s, t) { 76 return md5cmn((b & d) | (c & ~d), a, b, x, s, t) 77 } 78 /** 79 * Basic operation the algorithm uses. 80 * 81 * @param {number} a a 82 * @param {number} b b 83 * @param {number} c c 84 * @param {number} d d 85 * @param {number} x x 86 * @param {number} s s 87 * @param {number} t t 88 * @returns {number} Result 89 */ 90 function md5hh(a, b, c, d, x, s, t) { 91 return md5cmn(b ^ c ^ d, a, b, x, s, t) 92 } 93 /** 94 * Basic operation the algorithm uses. 95 * 96 * @param {number} a a 97 * @param {number} b b 98 * @param {number} c c 99 * @param {number} d d 100 * @param {number} x x 101 * @param {number} s s 102 * @param {number} t t 103 * @returns {number} Result 104 */ 105 function md5ii(a, b, c, d, x, s, t) { 106 return md5cmn(c ^ (b | ~d), a, b, x, s, t) 107 } 108 109 /** 110 * Calculate the MD5 of an array of little-endian words, and a bit length. 111 * 112 * @param {Array} x Array of little-endian words 113 * @param {number} len Bit length 114 * @returns {Array<number>} MD5 Array 115 */ 116 function binlMD5(x, len) { 117 /* append padding */ 118 x[len >> 5] |= 0x80 << len % 32 119 x[(((len + 64) >>> 9) << 4) + 14] = len 120 121 var i 122 var olda 123 var oldb 124 var oldc 125 var oldd 126 var a = 1732584193 127 var b = -271733879 128 var c = -1732584194 129 var d = 271733878 130 131 for (i = 0; i < x.length; i += 16) { 132 olda = a 133 oldb = b 134 oldc = c 135 oldd = d 136 137 a = md5ff(a, b, c, d, x[i], 7, -680876936) 138 d = md5ff(d, a, b, c, x[i + 1], 12, -389564586) 139 c = md5ff(c, d, a, b, x[i + 2], 17, 606105819) 140 b = md5ff(b, c, d, a, x[i + 3], 22, -1044525330) 141 a = md5ff(a, b, c, d, x[i + 4], 7, -176418897) 142 d = md5ff(d, a, b, c, x[i + 5], 12, 1200080426) 143 c = md5ff(c, d, a, b, x[i + 6], 17, -1473231341) 144 b = md5ff(b, c, d, a, x[i + 7], 22, -45705983) 145 a = md5ff(a, b, c, d, x[i + 8], 7, 1770035416) 146 d = md5ff(d, a, b, c, x[i + 9], 12, -1958414417) 147 c = md5ff(c, d, a, b, x[i + 10], 17, -42063) 148 b = md5ff(b, c, d, a, x[i + 11], 22, -1990404162) 149 a = md5ff(a, b, c, d, x[i + 12], 7, 1804603682) 150 d = md5ff(d, a, b, c, x[i + 13], 12, -40341101) 151 c = md5ff(c, d, a, b, x[i + 14], 17, -1502002290)
152 b = md5ff(b, c, d, a, x[i + 15], 22, 1236535329) 153 154 a = md5gg(a, b, c, d, x[i + 1], 5, -165796510) 155 d = md5gg(d, a, b, c, x[i + 6], 9, -1069501632) 156 c = md5gg(c, d, a, b, x[i + 11], 14, 643717713) 157 b = md5gg(b, c, d, a, x[i], 20, -373897302) 158 a = md5gg(a, b, c, d, x[i + 5], 5, -701558691) 159 d = md5gg(d, a, b, c, x[i + 10], 9, 38016083) 160 c = md5gg(c, d, a, b, x[i + 15], 14, -660478335) 161 b = md5gg(b, c, d, a, x[i + 4], 20, -405537848) 162 a = md5gg(a, b, c, d, x[i + 9], 5, 568446438) 163 d = md5gg(d, a, b, c, x[i + 14], 9, -1019803690) 164 c = md5gg(c, d, a, b, x[i + 3], 14, -187363961) 165 b = md5gg(b, c, d, a, x[i + 8], 20, 1163531501) 166 a = md5gg(a, b, c, d, x[i + 13], 5, -1444681467) 167 d = md5gg(d, a, b, c, x[i + 2], 9, -51403784) 168 c = md5gg(c, d, a, b, x[i + 7], 14, 1735328473) 169 b = md5gg(b, c, d, a, x[i + 12], 20, -1926607734) 170 171 a = md5hh(a, b, c, d, x[i + 5], 4, -378558) 172 d = md5hh(d, a, b, c, x[i + 8], 11, -2022574463) 173 c = md5hh(c, d, a, b, x[i + 11], 16, 1839030562) 174 b = md5hh(b, c, d, a, x[i + 14], 23, -35309556) 175 a = md5hh(a, b, c, d, x[i + 1], 4, -1530992060) 176 d = md5hh(d, a, b, c, x[i + 4], 11, 1272893353) 177 c = md5hh(c, d, a, b, x[i + 7], 16, -155497632) 178 b = md5hh(b, c, d, a, x[i + 10], 23, -1094730640) 179 a = md5hh(a, b, c, d, x[i + 13], 4, 681279174) 180 d = md5hh(d, a, b, c, x[i], 11, -358537222) 181 c = md5hh(c, d, a, b, x[i + 3], 16, -722521979) 182 b = md5hh(b, c, d, a, x[i + 6], 23, 76029189) 183 a = md5hh(a, b, c, d, x[i + 9], 4, -640364487) 184 d = md5hh(d, a, b, c, x[i + 12], 11, -421815835) 185 c = md5hh(c, d, a, b, x[i + 15], 16, 530742520) 186 b = md5hh(b, c, d, a, x[i + 2], 23, -995338651) 187 188 a = md5ii(a, b, c, d, x[i], 6, -198630844) 189 d = md5ii(d, a, b, c, x[i + 7], 10, 1126891415) 190 c = md5ii(c, d, a, b, x[i + 14], 15, -1416354905) 191 b = md5ii(b, c, d, a, x[i + 5], 21, -57434055) 192 a = md5ii(a, b, c, d, x[i + 12], 6, 1700485571) 193 d = md5ii(d, a, b, c, x[i + 3], 10, -1894986606) 194 c = md5ii(c, d, a, b, x[i + 10], 15, -1051523) 195 b = md5ii(b, c, d, a, x[i + 1], 21, -2054922799) 196 a = md5ii(a, b, c, d, x[i + 8], 6, 1873313359) 197 d = md5ii(d, a, b, c, x[i + 15], 10, -30611744) 198 c = md5ii(c, d, a, b, x[i + 6], 15, -1560198380) 199 b = md5ii(b, c, d, a, x[i + 13], 21, 1309151649) 200 a = md5ii(a, b, c, d, x[i + 4], 6, -145523070) 201 d = md5ii(d, a, b, c, x[i + 11], 10, -1120210379) 202 c = md5ii(c, d, a, b, x[i + 2], 15, 718787259) 203 b = md5ii(b, c, d, a, x[i + 9], 21, -343485551) 204 205 a = safeAdd(a, olda) 206 b = safeAdd(b, oldb) 207 c = safeAdd(c, oldc) 208 d = safeAdd(d, oldd) 209 } 210 return [a, b, c, d] 211 } 212 213 /** 214 * Convert an array of little-endian words to a string 215 * 216 * @param {Array<number>} input MD5 Array 217 * @returns {string} MD5 string 218 */ 219 function binl2rstr(input) { 220 var i 221 var output = '' 222 var length32 = input.length * 32 223 for (i = 0; i < length32; i += 8) { 224 output += String.fromCharCode((input[i >> 5] >>> i % 32) & 0xff) 225 } 226 return output 227 } 228 229 /** 230 * Convert a raw string to an array of little-endian words 231 * Characters >255 have their high-byte silently ignored. 232 * 233 * @param {string} input Raw input string 234 * @returns {Array<number>} Array of little-endian words 235 */ 236 function rstr2binl(input) { 237 var i 238 var output = [] 239 output[(input.length >> 2) - 1] = undefined 240 for (i = 0; i < output.length; i += 1) { 241 output[i] = 0 242 } 243 var length8 = input.length * 8 244 for (i = 0; i < length8; i += 8) { 245 output[i >> 5] |= (input.charCodeAt(i / 8) & 0xff) << i % 32 246 } 247 return output 248 } 249 250 /** 251 * Calculate the MD5 of a raw string 252 * 253 * @param {string} s Input string 254 * @returns {string} Raw MD5 string 255 */ 256 function rstrMD5(s) { 257 return binl2rstr(binlMD5(rstr2binl(s), s.length * 8)) 258 } 259 260 /** 261 * Calculates the HMAC-MD5 of a key and some data (raw strings) 262 * 263 * @param {string} key HMAC key 264 * @param {string} data Raw input string 265 * @returns {string} Raw MD5 string 266 */ 267 function rstrHMACMD5(key, data) { 268 var i 269 var bkey = rstr2binl(key) 270 var ipad = [] 271 var opad = [] 272 var hash 273 ipad[15] = opad[15] = undefined 274 if (bkey.length > 16) { 275 bkey = binlMD5(bkey, key.length * 8) 276 } 277 for (i = 0; i < 16; i += 1) { 278 ipad[i] = bkey[i] ^ 0x36363636 279 opad[i] = bkey[i] ^ 0x5c5c5c5c 280 } 281 hash = binlMD5(ipad.concat(rstr2binl(data)), 512 + data.length * 8) 282 return binl2rstr(binlMD5(opad.concat(hash), 512 + 128)) 283 } 284 285 /** 286 * Convert a raw string to a hex string 287 * 288 * @param {string} input Raw input string 289 * @returns {string} Hex encoded string 290 */ 291 function rstr2hex(input) { 292 var hexTab = '0123456789abcdef' 293 var output = '' 294 var x 295 var i 296 for (i = 0; i < input.length; i += 1) { 297 x = input.charCodeAt(i) 298 output += hexTab.charAt((x >>> 4) & 0x0f) + hexTab.charAt(x & 0x0f) 299 } 300 return output 301 } 302 303 /** 304 * Encode a string as UTF-8 305 * 306 * @param {string} input Input string 307 * @returns {string} UTF8 string 308 */ 309 function str2rstrUTF8(input) { 310 return unescape(encodeURIComponent(input)) 311 } 312 313 /** 314 * Encodes input string as raw MD5 string 315 * 316 * @param {string} s Input string 317 * @returns {string} Raw MD5 string 318 */ 319 function rawMD5(s) { 320 return rstrMD5(str2rstrUTF8(s)) 321 } 322 /** 323 * Encodes input string as Hex encoded string 324 * 325 * @param {string} s Input string 326 * @returns {string} Hex encoded string 327 */ 328 function hexMD5(s) { 329 return rstr2hex(rawMD5(s)) 330 } 331 /** 332 * Calculates the raw HMAC-MD5 for the given key and data 333 * 334 * @param {string} k HMAC key 335 * @param {string} d Input string 336 * @returns {string} Raw MD5 string 337 */
338 function rawHMACMD5(k, d) { 339 return rstrHMACMD5(str2rstrUTF8(k), str2rstrUTF8(d)) 340 } 341 /** 342 * Calculates the Hex encoded HMAC-MD5 for the given key and data 343 * 344 * @param {string} k HMAC key 345 * @param {string} d Input string 346 * @returns {string} Raw MD5 string 347 */ 348 function hexHMACMD5(k, d) { 349 return rstr2hex(rawHMACMD5(k, d)) 350 } 351 352 /** 353 * Calculates MD5 value for a given string. 354 * If a key is provided, calculates the HMAC-MD5 value. 355 * Returns a Hex encoded string unless the raw argument is given. 356 * 357 * @param {string} string Input string 358 * @param {string} [key] HMAC key 359 * @param {boolean} [raw] Raw output switch 360 * @returns {string} MD5 output 361 */ 362 function md5(string, key, raw) { 363 if (!key) { 364 if (!raw) { 365 return hexMD5(string) 366 } 367 return rawMD5(string) 368 } 369 if (!raw) { 370 return hexHMACMD5(key, string) 371 } 372 return rawHMACMD5(key, string) 373 } 374 375 if (typeof define === 'function' && define.amd) { 376 define(function () { 377 return md5 378 }) 379 } else if (typeof module === 'object' && module.exports) { 380 module.exports = md5 381 } else { 382 $.md5 = md5 383 } 384})(this)
Line numbers count LF bytes from the start of the resource, as the search results do. Vendor segments are library code the classifier recognised; they are stored but not indexed. Bytes are shown as Latin1 characters, one per byte.