1function md5cycle(x, k) { 2var a = x[0], b = x[1], c = x[2], d = x[3]; 3 4a = wplc_ff(a, b, c, d, k[0], 7, -680876936); 5d = wplc_ff(d, a, b, c, k[1], 12, -389564586); 6c = wplc_ff(c, d, a, b, k[2], 17, 606105819); 7b = wplc_ff(b, c, d, a, k[3], 22, -1044525330); 8a = wplc_ff(a, b, c, d, k[4], 7, -176418897); 9d = wplc_ff(d, a, b, c, k[5], 12, 1200080426); 10c = wplc_ff(c, d, a, b, k[6], 17, -1473231341); 11b = wplc_ff(b, c, d, a, k[7], 22, -45705983); 12a = wplc_ff(a, b, c, d, k[8], 7, 1770035416); 13d = wplc_ff(d, a, b, c, k[9], 12, -1958414417); 14c = wplc_ff(c, d, a, b, k[10], 17, -42063); 15b = wplc_ff(b, c, d, a, k[11], 22, -1990404162); 16a = wplc_ff(a, b, c, d, k[12], 7, 1804603682); 17d = wplc_ff(d, a, b, c, k[13], 12, -40341101); 18c = wplc_ff(c, d, a, b, k[14], 17, -1502002290); 19b = wplc_ff(b, c, d, a, k[15], 22, 1236535329); 20 21a = wplc_gg(a, b, c, d, k[1], 5, -165796510); 22d = wplc_gg(d, a, b, c, k[6], 9, -1069501632); 23c = wplc_gg(c, d, a, b, k[11], 14, 643717713); 24b = wplc_gg(b, c, d, a, k[0], 20, -373897302); 25a = wplc_gg(a, b, c, d, k[5], 5, -701558691); 26d = wplc_gg(d, a, b, c, k[10], 9, 38016083); 27c = wplc_gg(c, d, a, b, k[15], 14, -660478335); 28b = wplc_gg(b, c, d, a, k[4], 20, -405537848); 29a = wplc_gg(a, b, c, d, k[9], 5, 568446438); 30d = wplc_gg(d, a, b, c, k[14], 9, -1019803690); 31c = wplc_gg(c, d, a, b, k[3], 14, -187363961); 32b = wplc_gg(b, c, d, a, k[8], 20, 1163531501); 33a = wplc_gg(a, b, c, d, k[13], 5, -1444681467); 34d = wplc_gg(d, a, b, c, k[2], 9, -51403784); 35c = wplc_gg(c, d, a, b, k[7], 14, 1735328473); 36b = wplc_gg(b, c, d, a, k[12], 20, -1926607734); 37 38a = wplc_hh(a, b, c, d, k[5], 4, -378558); 39d = wplc_hh(d, a, b, c, k[8], 11, -2022574463); 40c = wplc_hh(c, d, a, b, k[11], 16, 1839030562); 41b = wplc_hh(b, c, d, a, k[14], 23, -35309556); 42a = wplc_hh(a, b, c, d, k[1], 4, -1530992060); 43d = wplc_hh(d, a, b, c, k[4], 11, 1272893353); 44c = wplc_hh(c, d, a, b, k[7], 16, -155497632); 45b = wplc_hh(b, c, d, a, k[10], 23, -1094730640); 46a = wplc_hh(a, b, c, d, k[13], 4, 681279174); 47d = wplc_hh(d, a, b, c, k[0], 11, -358537222); 48c = wplc_hh(c, d, a, b, k[3], 16, -722521979); 49b = wplc_hh(b, c, d, a, k[6], 23, 76029189); 50a = wplc_hh(a, b, c, d, k[9], 4, -640364487); 51d = wplc_hh(d, a, b, c, k[12], 11, -421815835); 52c = wplc_hh(c, d, a, b, k[15], 16, 530742520); 53b = wplc_hh(b, c, d, a, k[2], 23, -995338651); 54 55a = wplc_ii(a, b, c, d, k[0], 6, -198630844); 56d = wplc_ii(d, a, b, c, k[7], 10, 1126891415); 57c = wplc_ii(c, d, a, b, k[14], 15, -1416354905); 58b = wplc_ii(b, c, d, a, k[5], 21, -57434055); 59a = wplc_ii(a, b, c, d, k[12], 6, 1700485571); 60d = wplc_ii(d, a, b, c, k[3], 10, -1894986606); 61c = wplc_ii(c, d, a, b, k[10], 15, -1051523); 62b = wplc_ii(b, c, d, a, k[1], 21, -2054922799); 63a = wplc_ii(a, b, c, d, k[8], 6, 1873313359); 64d = wplc_ii(d, a, b, c, k[15], 10, -30611744); 65c = wplc_ii(c, d, a, b, k[6], 15, -1560198380); 66b = wplc_ii(b, c, d, a, k[13], 21, 1309151649); 67a = wplc_ii(a, b, c, d, k[4], 6, -145523070); 68d = wplc_ii(d, a, b, c, k[11], 10, -1120210379); 69c = wplc_ii(c, d, a, b, k[2], 15, 718787259); 70b = wplc_ii(b, c, d, a, k[9], 21, -343485551); 71 72x[0] = add32(a, x[0]); 73x[1] = add32(b, x[1]); 74x[2] = add32(c, x[2]); 75x[3] = add32(d, x[3]); 76 77} 78 79function wplc_cmn(q, a, b, x, s, t) { 80a = add32(add32(a, q), add32(x, t)); 81return add32((a << s) | (a >>> (32 - s)), b); 82} 83 84function wplc_ff(a, b, c, d, x, s, t) { 85return wplc_cmn((b & c) | ((~b) & d), a, b, x, s, t); 86} 87 88function wplc_gg(a, b, c, d, x, s, t) { 89return wplc_cmn((b & d) | (c & (~d)), a, b, x, s, t); 90} 91 92function wplc_hh(a, b, c, d, x, s, t) { 93return wplc_cmn(b ^ c ^ d, a, b, x, s, t); 94} 95 96function wplc_ii(a, b, c, d, x, s, t) { 97return wplc_cmn(c ^ (b | (~d)), a, b, x, s, t); 98} 99 100function wplc_md51(s) { 101txt = ''; 102var n = s.length, 103state = [1732584193, -271733879, -1732584194, 271733878], i; 104for (i=64; i<=s.length; i+=64) { 105md5cycle(state, md5blk(s.substring(i-64, i))); 106} 107s = s.substring(i-64); 108var tail = [0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0]; 109for (i=0; i<s.length; i++) 110tail[i>>
1102] |= s.charCodeAt(i) << ((i%4) << 3); 111tail[i>>2] |= 0x80 << ((i%4) << 3); 112if (i > 55) { 113md5cycle(state, tail); 114for (i=0; i<16; i++) tail[i] = 0; 115} 116tail[14] = n*8; 117md5cycle(state, tail); 118return state; 119} 120 121/* there needs to be support for Unicode here, 122 * unless we pretend that we can redefine the MD-5 123 * algorithm for multi-byte characters (perhaps 124 * by adding every four 16-bit characters and 125 * shortening the sum to 32 bits). Otherwise 126 * I suggest performing MD-5 as if every character 127 * was two bytes--e.g., 0040 0025 = @%--but then 128 * how will an ordinary MD-5 sum be matched? 129 * There is no way to standardize text to something 130 * like UTF-8 before transformation; speed cost is 131 * utterly prohibitive. The JavaScript standard 132 * itself needs to look at this: it should start 133 * providing access to strings as preformed UTF-8 134 * 8-bit unsigned value arrays. 135 */ 136function md5blk(s) { /* I figured global was faster. */ 137var md5blks = [], i; /* Andy King said do it this way. */ 138for (i=0; i<64; i+=4) { 139md5blks[i>>2] = s.charCodeAt(i) 140+ (s.charCodeAt(i+1) << 8) 141+ (s.charCodeAt(i+2) << 16) 142+ (s.charCodeAt(i+3) << 24); 143} 144return md5blks; 145} 146 147var hex_chr = '0123456789abcdef'.split(''); 148 149function wplc_rhex(n) 150{ 151var s='', j=0; 152for(; j<4; j++) 153s += hex_chr[(n >> (j * 8 + 4)) & 0x0F] 154+ hex_chr[(n >> (j * 8)) & 0x0F]; 155return s; 156} 157 158function wplc_hex(x) { 159for (var i=0; i<x.length; i++) 160x[i] = wplc_rhex(x[i]); 161return x.join(''); 162} 163 164function md5(s) { 165return wplc_hex(wplc_md51(s)); 166} 167 168/* this function is much faster, 169so if possible we use it. Some IEs 170are the only ones I know of that 171need the idiotic second function, 172generated by an if clause. */ 173 174function add32(a, b) { 175return (a + b) & 0xFFFFFFFF; 176} 177 178if (md5('hello') != '5d41402abc4b2a76b9719d911017c592') { 179function add32(x, y) { 180var lsw = (x & 0xFFFF) + (y & 0xFFFF), 181msw = (x >> 16) + (y >> 16) + (lsw >> 16); 182return (msw << 16) | (lsw & 0xFFFF); 183} 184}
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.