JavaScript prototype, MD5 hash value
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Js功能强大灵活,不仅可以用来做网页客户端,还可以写asp后台代码,在Windows中与WSH的环境中更是强大。
以下代码只是我自编自用的Js类framework的一部分,经常被我用来做自动化测试,网站前后台。
MD5算法。
/* javascript prototype. * Authors: perry < ppsoft268@gmail.com > * Date : April 11, 2009 */ MY.ClassFactory.extend(MY.Local.Info, { //public getMd5: function(s) { if ( typeof s != 'string' | !s.length ) return ''; var chars = '0123456789abcdef', len = s.length * 8, a = 0x67452301, b = 0xefcdab89, c = 0x98badcfe, d = 0x10325476, i = 0, x = [], t = '', v = null, _add = function(x, y){ var l = (x & 0xffff) + (y & 0xffff), m = (x >> 16) + (y >> 16) + (l >> 16); return (m << 16) | (l & 0xffff);}, _rol = function(n, c){ return (n << c) | (n >>> (32 - c)); }, _fu1 = function(q, a, b, x, s, t){ return _add(_rol(_add(_add(a, q),_add(x, t)), s), b); }, _fu2 = function(a, b, c, d, x, s, t){ return _fu1((b & c)|((~b) & d), a, b, x, s, t); }, _fu3 = function(a, b, c, d, x, s, t){ return _fu1((b & d)|(c & (~d)), a, b, x, s, t); }, _fu4 = function(a, b, c, d, x, s, t){ return _fu1(b ^ c ^ d, a, b, x, s, t); }, _fu5 = function(a, b, c, d, x, s, t){ return _fu1(c ^ (b | (~d)), a, b, x, s, t); }; for ( i = 0; i < len; i += 8 ) x[i >> 5] |= (s.charCodeAt(i / 8) & 0xff) << (i % 32); x[len >> 5] |= 128 << (len % 32); x[(((len + 64) >>> 9) << 4) + 14] = len; for (i = 0; i < x.length; i += 16) { var e = a, f = b, g = c, h = d; a = _fu2(a, b, c, d, x[i + 0x0], 0x07, 0xd76aa478); d = _fu2(d, a, b, c, x[i + 0x1], 0x0c, 0xe8c7b756); c = _fu2(c, d, a, b, x[i + 0x2], 0x11, 0x242070db); b = _fu2(b, c, d, a, x[i + 0x3], 0x16, 0xc1bdceee); a = _fu2(a, b, c, d, x[i + 0x4], 0x07, 0xf57c0faf); d = _fu2(d, a, b, c, x[i + 0x5], 0x0c, 0x4787c62a); c = _fu2(c, d, a, b, x[i + 0x6], 0x11, 0xa8304613); b = _fu2(b, c, d, a, x[i + 0x7], 0x16, 0xfd469501); a = _fu2(a, b, c, d, x[i + 0x8], 0x07, 0x698098d8); d = _fu2(d, a, b, c, x[i + 0x9], 0x0c, 0x8b44f7af); c = _fu2(c, d, a, b, x[i + 0xa], 0x11, 0xffff5bb1); b = _fu2(b, c, d, a, x[i + 0xb], 0x16, 0x895cd7be); a = _fu2(a, b, c, d, x[i + 0xc], 0x07, 0x6b901122); d = _fu2(d, a, b, c, x[i + 0xd], 0x0c, 0xfd987193); c = _fu2(c, d, a, b, x[i + 0xe], 0x11, 0xa679438e); b = _fu2(b, c, d, a, x[i + 0xf], 0x16, 0x49b40821); a = _fu3(a, b, c, d, x[i + 0x1], 0x05, 0xf61e2562); d = _fu3(d, a, b, c, x[i + 0x6], 0x09, 0xc040b340); c = _fu3(c, d, a, b, x[i + 0xb], 0x0e, 0x265e5a51); b = _fu3(b, c, d, a, x[i + 0x0], 0x14, 0xe9b6c7aa); a = _fu3(a, b, c, d, x[i + 0x5], 0x05, 0xd62f105d); d = _fu3(d, a, b, c, x[i + 0xa], 0x09, 0x02441453); c = _fu3(c, d, a, b, x[i + 0xf], 0x0e, 0xd8a1e681); b = _fu3(b, c, d, a, x[i + 0x4], 0x14, 0xe7d3fbc8); a = _fu3(a, b, c, d, x[i + 0x9], 0x05, 0x21e1cde6); d = _fu3(d, a, b, c, x[i + 0xe], 0x09, 0xc33707d6); c = _fu3(c, d, a, b, x[i + 0x3], 0x0e, 0xf4d50d87); b = _fu3(b, c, d, a, x[i + 0x8], 0x14, 0x455a14ed); a = _fu3(a, b, c, d, x[i + 0xd], 0x05, 0xa9e3e905); d = _fu3(d, a, b, c, x[i + 0x2], 0x09, 0xfcefa3f8); c = _fu3(c, d, a, b, x[i + 0x7], 0x0e, 0x676f02d9); b = _fu3(b, c, d, a, x[i + 0xc], 0x14, 0x8d2a4c8a); a = _fu4(a, b, c, d, x[i + 0x5], 0x04, 0xfffa3942); d = _fu4(d, a, b, c, x[i + 0x8], 0x0b, 0x8771f681); c = _fu4(c, d, a, b, x[i + 0xb], 0x10, 0x6d9d6122); b = _fu4(b, c, d, a, x[i + 0xe], 0x17, 0xfde5380c); a = _fu4(a, b, c, d, x[i + 0x1], 0x04, 0xa4beea44); d = _fu4(d, a, b, c, x[i + 0x4], 0x0b, 0x4bdecfa9); c = _fu4(c, d, a, b, x[i + 0x7], 0x10, 0xf6bb4b60); b = _fu4(b, c, d, a, x[i + 0xa], 0x17, 0xbebfbc70); a = _fu4(a, b, c, d, x[i + 0xd], 0x04, 0x289b7ec6); d = _fu4(d, a, b, c, x[i + 0x0], 0x0b, 0xeaa127fa); c = _fu4(c, d, a, b, x[i + 0x3], 0x10, 0xd4ef3085); b = _fu4(b, c, d, a, x[i + 0x6], 0x17, 0x04881d05); a = _fu4(a, b, c, d, x[i + 0x9], 0x04, 0xd9d4d039); d = _fu4(d, a, b, c, x[i + 0xc], 0x0b, 0xe6db99e5); c = _fu4(c, d, a, b, x[i + 0xf], 0x10, 0x1fa27cf8); b = _fu4(b, c, d, a, x[i + 0x2], 0x17, 0xc4ac5665); a = _fu5(a, b, c, d, x[i + 0x0], 0x06, 0xf4292244); d = _fu5(d, a, b, c, x[i + 0x7], 0x0a, 0x432aff97); c = _fu5(c, d, a, b, x[i + 0xe], 0x0f, 0xab9423a7); b = _fu5(b, c, d, a, x[i + 0x5], 0x15, 0xfc93a039); a = _fu5(a, b, c, d, x[i + 0xc], 0x06, 0x655b59c3); d = _fu5(d, a, b, c, x[i + 0x3], 0x0a, 0x8f0ccc92); c = _fu5(c, d, a, b, x[i + 0xa], 0x0f, 0xffeff47d); b = _fu5(b, c, d, a, x[i + 0x1], 0x15, 0x85845dd1); a = _fu5(a, b, c, d, x[i + 0x8], 0x06, 0x6fa87e4f); d = _fu5(d, a, b, c, x[i + 0xf], 0x0a, 0xfe2ce6e0); c = _fu5(c, d, a, b, x[i + 0x6], 0x0f, 0xa3014314); b = _fu5(b, c, d, a, x[i + 0xd], 0x15, 0x4e0811a1); a = _fu5(a, b, c, d, x[i + 0x4], 0x06, 0xf7537e82); d = _fu5(d, a, b, c, x[i + 0xb], 0x0a, 0xbd3af235); c = _fu5(c, d, a, b, x[i + 0x2], 0x0f, 0x2ad7d2bb); b = _fu5(b, c, d, a, x[i + 0x9], 0x15, 0xeb86d391); a = _add(a, e); b = _add(b, f); c = _add(c, g); d = _add(d, h); } v = [a, b, c, d]; for ( i = 0; i < v.length * 4; i++ ) t += chars.charAt((v[i >> 2] >> ((i % 4) * 8 + 4)) & 15) + chars.charAt((v[i >> 2] >> ((i % 4) * 8)) & 15); return t; } }, true);
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