Javascript client-generated MD5 Value Function Code _ javascript skills

The client implemented by js can implement the md5 value code. Generally, it is only available in the background language, and the client also has it, making it easy for friends who need it. Test code:

<Script language = javascript>/** A JavaScript implementation of the RSA Data Security, Inc. MD5 Message * Digest Algorithm, as defined in RFC 1321. * Copyright (C) Paul Johnston 1999-2000. * Updated by Greg Holt 2000-2001. * See http://pajhome.org.uk/site/legal.html For details. */var hex_chr = "0123456789 abcdef"; function rhex (num) {str = ""; for (j = 0; j <= 3; j ++) str + = hex_chr.charAt (num> (j * 8 + 4) & 0x0F) + hex_chr.charAt (num> (j * 8) & 0x0F ); return str;} function str2blks_MD5 (str) {nblk = (str. length + 8)> 6) + 1; blks = new Array (nblk * 16); for (I = 0; I <nblk * 16; I ++) blks [I] = 0; for (I = 0; I <str. length; I ++) blks [I> 2] | = st R. charCodeAt (I) <(I % 4) * 8); blks [I> 2] | = 0x80 <(I % 4) * 8 ); blks [nblk * 16-2] = str. length * 8; return blks;} function add (x, y) {var lsw = (x & 0 xFFFF) + (y & 0 xFFFF ); var msw = (x> 16) + (y> 16) + (lsw> 16); return (msw <16) | (lsw & 0 xFFFF );} function rol (num, cnt) {return (num <cnt) | (num> (32-cnt);} function CEN (q, a, B, x, s, t) {return add (rol (add (, Q), add (x, t), s), B);} function ff (a, B, c, d, x, s, t) {return CEN (B & c) | ((~ B) & d), a, B, x, s, t);} function gg (a, B, c, d, x, s, t) {return CEN (B & d) | (c &(~ D), a, B, x, s, t);} function hh (a, B, c, d, x, s, t) {return CEN (B ^ c ^ d, a, B, x, s, t);} function ii (a, B, c, d, x, s, t) {return CEN (c ^ (B | (~ D), a, B, x, s, t);} function MD5 (str) {x = str2blks_MD5 (str); var a = 1732584193; var B =-271733879; var c =-1732584194; var d = 271733878; for (I = 0; I <x. length; I + = 16) {var olda = a; var oldb = B; var oldc = c; var oldd = d; 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], 17,606 105819); B = ff (B, c, d,, 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], 12,120 0080426); 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,, x [I + 15], 22,123 6582429); 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], 14,643 717713); 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,, x [I + 8], 20,116 limit 1501); 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], 14,173 5328473); 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], 16,183 9030133 ); 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], 11,127 2893353 ); c = hh (c, d, a, B, x [I + 7], 16,-155497632); B = hh (B, c, d,, 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], 23,760 29189 ); 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], 16,530 742520 ); 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], 10,112 6891415 ); c = ii (c, d, a, B, x [I + 14], 15,-1416354905); B = ii (B, c, d,, 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], 21,130 9151649); 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], 15,718 787259); B = ii (B, c, d,, x [I + 9], 21,-343485551); a = add (a, olda); B = add (B, oldb); c = add (c, oldc ); d = add (d, oldd);} return rhex (a) + rhex (B) + rhex (c) + rhex (d );} alert (MD5 ("admin"); script
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