home *** CD-ROM | disk | FTP | other *** search
- function bitOR(a, b)
- {
- var _loc1_ = a & 1 | b & 1;
- var _loc2_ = a >>> 1 | b >>> 1;
- return _loc2_ << 1 | _loc1_;
- }
- function bitXOR(a, b)
- {
- var _loc1_ = a & 1 ^ b & 1;
- var _loc2_ = a >>> 1 ^ b >>> 1;
- return _loc2_ << 1 | _loc1_;
- }
- function bitAND(a, b)
- {
- var _loc1_ = a & 1 & (b & 1);
- var _loc2_ = a >>> 1 & b >>> 1;
- return _loc2_ << 1 | _loc1_;
- }
- function addme(x, y)
- {
- var _loc1_ = (x & 65535) + (y & 65535);
- var _loc2_ = (x >> 16) + (y >> 16) + (_loc1_ >> 16);
- return _loc2_ << 16 | _loc1_ & 65535;
- }
- function rhex(num)
- {
- var _loc1_ = num;
- str = "";
- j = 0;
- while(j <= 3)
- {
- str += hex_chr.charAt(_loc1_ >> j * 8 + 4 & 15) + hex_chr.charAt(_loc1_ >> j * 8 & 15);
- j++;
- }
- return str;
- }
- function str2blks_MD5(str)
- {
- var _loc1_ = str;
- nblk = (_loc1_.length + 8 >> 6) + 1;
- blks = new Array(nblk * 16);
- i = 0;
- while(i < nblk * 16)
- {
- blks[i] = 0;
- i++;
- }
- i = 0;
- while(i < _loc1_.length)
- {
- blks[i >> 2] |= _loc1_.charCodeAt(i) << (_loc1_.length * 8 + i) % 4 * 8;
- i++;
- }
- blks[i >> 2] |= 128 << (_loc1_.length * 8 + i) % 4 * 8;
- var _loc2_ = _loc1_.length * 8;
- blks[nblk * 16 - 2] = _loc2_ & 255;
- blks[nblk * 16 - 2] |= (_loc2_ >>> 8 & 255) << 8;
- blks[nblk * 16 - 2] |= (_loc2_ >>> 16 & 255) << 16;
- blks[nblk * 16 - 2] |= (_loc2_ >>> 24 & 255) << 24;
- return blks;
- }
- function rol(num, cnt)
- {
- return num << cnt | num >>> 32 - cnt;
- }
- function cmn(q, a, b, x, s, t)
- {
- return addme(rol(addme(addme(a,q),addme(x,t)),s),b);
- }
- function ff(a, b, c, d, x, s, t)
- {
- var _loc1_ = b;
- return cmn(bitOR(bitAND(_loc1_,c),bitAND(~_loc1_,d)),a,_loc1_,x,s,t);
- }
- function gg(a, b, c, d, x, s, t)
- {
- return cmn(bitOR(bitAND(b,d),bitAND(c,~d)),a,b,x,s,t);
- }
- function hh(a, b, c, d, x, s, t)
- {
- return cmn(bitXOR(bitXOR(b,c),d),a,b,x,s,t);
- }
- function ii(a, b, c, d, x, s, t)
- {
- return cmn(bitXOR(c,bitOR(b,~d)),a,b,x,s,t);
- }
- function calcMD5(str)
- {
- x = str2blks_MD5(str);
- a = 1732584193;
- b = -271733879;
- c = -1732584194;
- d = 271733878;
- var _loc1_ = undefined;
- i = 0;
- while(i < x.length)
- {
- olda = a;
- oldb = b;
- oldc = c;
- oldd = d;
- _loc1_ = 0;
- a = ff(a,b,c,d,x[i + 0],7,-680876936);
- d = ff(d,a,b,c,x[i + 1],12,-389564586);
- c = ff(c,d,a,b,x[i + 2],17,606105819);
- b = ff(b,c,d,a,x[i + 3],22,-1044525330);
- a = ff(a,b,c,d,x[i + 4],7,-176418897);
- d = ff(d,a,b,c,x[i + 5],12,1200080426);
- c = ff(c,d,a,b,x[i + 6],17,-1473231341);
- b = ff(b,c,d,a,x[i + 7],22,-45705983);
- a = ff(a,b,c,d,x[i + 8],7,1770035416);
- d = ff(d,a,b,c,x[i + 9],12,-1958414417);
- c = ff(c,d,a,b,x[i + 10],17,-42063);
- b = ff(b,c,d,a,x[i + 11],22,-1990404162);
- a = ff(a,b,c,d,x[i + 12],7,1804603682);
- d = ff(d,a,b,c,x[i + 13],12,-40341101);
- c = ff(c,d,a,b,x[i + 14],17,-1502002290);
- b = ff(b,c,d,a,x[i + 15],22,1236535329);
- a = gg(a,b,c,d,x[i + 1],5,-165796510);
- d = gg(d,a,b,c,x[i + 6],9,-1069501632);
- c = gg(c,d,a,b,x[i + 11],14,643717713);
- b = gg(b,c,d,a,x[i + 0],20,-373897302);
- a = gg(a,b,c,d,x[i + 5],5,-701558691);
- d = gg(d,a,b,c,x[i + 10],9,38016083);
- c = gg(c,d,a,b,x[i + 15],14,-660478335);
- b = gg(b,c,d,a,x[i + 4],20,-405537848);
- a = gg(a,b,c,d,x[i + 9],5,568446438);
- d = gg(d,a,b,c,x[i + 14],9,-1019803690);
- c = gg(c,d,a,b,x[i + 3],14,-187363961);
- b = gg(b,c,d,a,x[i + 8],20,1163531501);
- a = gg(a,b,c,d,x[i + 13],5,-1444681467);
- d = gg(d,a,b,c,x[i + 2],9,-51403784);
- c = gg(c,d,a,b,x[i + 7],14,1735328473);
- b = gg(b,c,d,a,x[i + 12],20,-1926607734);
- a = hh(a,b,c,d,x[i + 5],4,-378558);
- d = hh(d,a,b,c,x[i + 8],11,-2022574463);
- c = hh(c,d,a,b,x[i + 11],16,1839030562);
- b = hh(b,c,d,a,x[i + 14],23,-35309556);
- a = hh(a,b,c,d,x[i + 1],4,-1530992060);
- d = hh(d,a,b,c,x[i + 4],11,1272893353);
- c = hh(c,d,a,b,x[i + 7],16,-155497632);
- b = hh(b,c,d,a,x[i + 10],23,-1094730640);
- a = hh(a,b,c,d,x[i + 13],4,681279174);
- d = hh(d,a,b,c,x[i + 0],11,-358537222);
- c = hh(c,d,a,b,x[i + 3],16,-722521979);
- b = hh(b,c,d,a,x[i + 6],23,76029189);
- a = hh(a,b,c,d,x[i + 9],4,-640364487);
- d = hh(d,a,b,c,x[i + 12],11,-421815835);
- c = hh(c,d,a,b,x[i + 15],16,530742520);
- b = hh(b,c,d,a,x[i + 2],23,-995338651);
- a = ii(a,b,c,d,x[i + 0],6,-198630844);
- d = ii(d,a,b,c,x[i + 7],10,1126891415);
- c = ii(c,d,a,b,x[i + 14],15,-1416354905);
- b = ii(b,c,d,a,x[i + 5],21,-57434055);
- a = ii(a,b,c,d,x[i + 12],6,1700485571);
- d = ii(d,a,b,c,x[i + 3],10,-1894986606);
- c = ii(c,d,a,b,x[i + 10],15,-1051523);
- b = ii(b,c,d,a,x[i + 1],21,-2054922799);
- a = ii(a,b,c,d,x[i + 8],6,1873313359);
- d = ii(d,a,b,c,x[i + 15],10,-30611744);
- c = ii(c,d,a,b,x[i + 6],15,-1560198380);
- b = ii(b,c,d,a,x[i + 13],21,1309151649);
- a = ii(a,b,c,d,x[i + 4],6,-145523070);
- d = ii(d,a,b,c,x[i + 11],10,-1120210379);
- c = ii(c,d,a,b,x[i + 2],15,718787259);
- b = ii(b,c,d,a,x[i + 9],21,-343485551);
- a = addme(a,olda);
- b = addme(b,oldb);
- c = addme(c,oldc);
- d = addme(d,oldd);
- i += 16;
- }
- return rhex(a) + rhex(b) + rhex(c) + rhex(d);
- }
- var hex_chr = "0123456789abcdef";
-