File indexing completed on 2024-12-22 05:35:18

 function md5cycle(x, k) {
 var a = x[0], b = x[1], c = x[2], d = x[3];
 
 a = ff(a, b, c, d, k[0], 7, -680876936);
 d = ff(d, a, b, c, k[1], 12, -389564586);
 c = ff(c, d, a, b, k[2], 17,  606105819);
 b = ff(b, c, d, a, k[3], 22, -1044525330);
 a = ff(a, b, c, d, k[4], 7, -176418897);
 d = ff(d, a, b, c, k[5], 12,  1200080426);
 c = ff(c, d, a, b, k[6], 17, -1473231341);
 b = ff(b, c, d, a, k[7], 22, -45705983);
 a = ff(a, b, c, d, k[8], 7,  1770035416);
 d = ff(d, a, b, c, k[9], 12, -1958414417);
 c = ff(c, d, a, b, k[10], 17, -42063);
 b = ff(b, c, d, a, k[11], 22, -1990404162);
 a = ff(a, b, c, d, k[12], 7,  1804603682);
 d = ff(d, a, b, c, k[13], 12, -40341101);
 c = ff(c, d, a, b, k[14], 17, -1502002290);
 b = ff(b, c, d, a, k[15], 22,  1236535329);
 
 a = gg(a, b, c, d, k[1], 5, -165796510);
 d = gg(d, a, b, c, k[6], 9, -1069501632);
 c = gg(c, d, a, b, k[11], 14,  643717713);
 b = gg(b, c, d, a, k[0], 20, -373897302);
 a = gg(a, b, c, d, k[5], 5, -701558691);
 d = gg(d, a, b, c, k[10], 9,  38016083);
 c = gg(c, d, a, b, k[15], 14, -660478335);
 b = gg(b, c, d, a, k[4], 20, -405537848);
 a = gg(a, b, c, d, k[9], 5,  568446438);
 d = gg(d, a, b, c, k[14], 9, -1019803690);
 c = gg(c, d, a, b, k[3], 14, -187363961);
 b = gg(b, c, d, a, k[8], 20,  1163531501);
 a = gg(a, b, c, d, k[13], 5, -1444681467);
 d = gg(d, a, b, c, k[2], 9, -51403784);
 c = gg(c, d, a, b, k[7], 14,  1735328473);
 b = gg(b, c, d, a, k[12], 20, -1926607734);
 
 a = hh(a, b, c, d, k[5], 4, -378558);
 d = hh(d, a, b, c, k[8], 11, -2022574463);
 c = hh(c, d, a, b, k[11], 16,  1839030562);
 b = hh(b, c, d, a, k[14], 23, -35309556);
 a = hh(a, b, c, d, k[1], 4, -1530992060);
 d = hh(d, a, b, c, k[4], 11,  1272893353);
 c = hh(c, d, a, b, k[7], 16, -155497632);
 b = hh(b, c, d, a, k[10], 23, -1094730640);
 a = hh(a, b, c, d, k[13], 4,  681279174);
 d = hh(d, a, b, c, k[0], 11, -358537222);
 c = hh(c, d, a, b, k[3], 16, -722521979);
 b = hh(b, c, d, a, k[6], 23,  76029189);
 a = hh(a, b, c, d, k[9], 4, -640364487);
 d = hh(d, a, b, c, k[12], 11, -421815835);
 c = hh(c, d, a, b, k[15], 16,  530742520);
 b = hh(b, c, d, a, k[2], 23, -995338651);
 
 a = ii(a, b, c, d, k[0], 6, -198630844);
 d = ii(d, a, b, c, k[7], 10,  1126891415);
 c = ii(c, d, a, b, k[14], 15, -1416354905);
 b = ii(b, c, d, a, k[5], 21, -57434055);
 a = ii(a, b, c, d, k[12], 6,  1700485571);
 d = ii(d, a, b, c, k[3], 10, -1894986606);
 c = ii(c, d, a, b, k[10], 15, -1051523);
 b = ii(b, c, d, a, k[1], 21, -2054922799);
 a = ii(a, b, c, d, k[8], 6,  1873313359);
 d = ii(d, a, b, c, k[15], 10, -30611744);
 c = ii(c, d, a, b, k[6], 15, -1560198380);
 b = ii(b, c, d, a, k[13], 21,  1309151649);
 a = ii(a, b, c, d, k[4], 6, -145523070);
 d = ii(d, a, b, c, k[11], 10, -1120210379);
 c = ii(c, d, a, b, k[2], 15,  718787259);
 b = ii(b, c, d, a, k[9], 21, -343485551);
 
 x[0] = add32(a, x[0]);
 x[1] = add32(b, x[1]);
 x[2] = add32(c, x[2]);
 x[3] = add32(d, x[3]);
 
 }
 
 function cmn(q, a, b, x, s, t) {
 a = add32(add32(a, q), add32(x, t));
 return add32((a << s) | (a >>> (32 - s)), b);
 }
 
 function ff(a, b, c, d, x, s, t) {
 return cmn((b & c) | ((~b) & d), a, b, x, s, t);
 }
 
 function gg(a, b, c, d, x, s, t) {
 return cmn((b & d) | (c & (~d)), a, b, x, s, t);
 }
 
 function hh(a, b, c, d, x, s, t) {
 return cmn(b ^ c ^ d, a, b, x, s, t);
 }
 
 function ii(a, b, c, d, x, s, t) {
 return cmn(c ^ (b | (~d)), a, b, x, s, t);
 }
 
 function md51(s) {
 txt = '';
 var n = s.length,
 state = [1732584193, -271733879, -1732584194, 271733878], i;
 for (i=64; i<=s.length; i+=64) {
 md5cycle(state, md5blk(s.substring(i-64, i)));
 }
 s = s.substring(i-64);
 var tail = [0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0];
 for (i=0; i<s.length; i++)
 tail[i>>2] |= s.charCodeAt(i) << ((i%4) << 3);
 tail[i>>2] |= 0x80 << ((i%4) << 3);
 if (i > 55) {
 md5cycle(state, tail);
 for (i=0; i<16; i++) tail[i] = 0;
 }
 tail[14] = n*8;
 md5cycle(state, tail);
 return state;
 }
 
 /* there needs to be support for Unicode here,
  * unless we pretend that we can redefine the MD-5
  * algorithm for multi-byte characters (perhaps
  * by adding every four 16-bit characters and
  * shortening the sum to 32 bits). Otherwise
  * I suggest performing MD-5 as if every character
  * was two bytes--e.g., 0040 0025 = @%--but then
  * how will an ordinary MD-5 sum be matched?
  * There is no way to standardize text to something
  * like UTF-8 before transformation; speed cost is
  * utterly prohibitive. The JavaScript standard
  * itself needs to look at this: it should start
  * providing access to strings as preformed UTF-8
  * 8-bit unsigned value arrays.
  */
 function md5blk(s) { /* I figured global was faster.   */
 var md5blks = [], i; /* Andy King said do it this way. */
 for (i=0; i<64; i+=4) {
 md5blks[i>>2] = s.charCodeAt(i)
 + (s.charCodeAt(i+1) << 8)
 + (s.charCodeAt(i+2) << 16)
 + (s.charCodeAt(i+3) << 24);
 }
 return md5blks;
 }
 
 var hex_chr = '0123456789abcdef'.split('');
 
 function rhex(n)
 {
 var s='', j=0;
 for(; j<4; j++)
 s += hex_chr[(n >> (j * 8 + 4)) & 0x0F]
 + hex_chr[(n >> (j * 8)) & 0x0F];
 return s;
 }
 
 function hex(x) {
 for (var i=0; i<x.length; i++)
 x[i] = rhex(x[i]);
 return x.join('');
 }
 
 function md5(s) {
 return hex(md51(s));
 }
 
 /* this function is much faster,
 so if possible we use it. Some IEs
 are the only ones I know of that
 need the idiotic second function,
 generated by an if clause.  */
 
 function add32(a, b) {
 return (a + b) & 0xFFFFFFFF;
 }
 
 if (md5('hello') != '5d41402abc4b2a76b9719d911017c592') {
 function add32(x, y) {
 var lsw = (x & 0xFFFF) + (y & 0xFFFF),
 msw = (x >> 16) + (y >> 16) + (lsw >> 16);
 return (msw << 16) | (lsw & 0xFFFF);
 }
 }