flash的md5函数代码 - 一霎微雨洒庭轩

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2007-08-28

flash的md5函数代码 - [Flash component]

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 http://conoon.blogbus.com/logs/7965881.html

_global.MD5 = function(sMessage) {
function RotateLeft(lValue, iShiftBits) {
  return (lValue << iShiftBits) | (lValue >>> (32-iShiftBits));
}
function AddUnsigned(lX, lY) {
  var lX4, lY4, lX8, lY8, lResult;
  lX8 = (lX & 0x80000000);
  lY8 = (lY & 0x80000000);
  lX4 = (lX & 0x40000000);
  lY4 = (lY & 0x40000000);
  lResult = (lX & 0x3FFFFFFF)+(lY & 0x3FFFFFFF);
  if (lX4 & lY4) {
   return (lResult ^ 0x80000000 ^ lX8 ^ lY8);
  }
  if (lX4 | lY4) {
   if (lResult & 0x40000000) {
    return (lResult ^ 0xC0000000 ^ lX8 ^ lY8);
   } else {
    return (lResult ^ 0x40000000 ^ lX8 ^ lY8);
   }
  } else {
   return (lResult ^ lX8 ^ lY8);
  }
}
function F(x, y, z) {
  return (x & y) | ((~x) & z);
}
function G(x, y, z) {
  return (x & z) | (y & (~z));
}
function H(x, y, z) {
  return (x ^ y ^ z);
}
function I(x, y, z) {
  return (y ^ (x | (~z)));
}
function FF(a, b, c, d, x, s, ac) {
  a = AddUnsigned(a, AddUnsigned(AddUnsigned(F(b, c, d), x), ac));
  return AddUnsigned(RotateLeft(a, s), b);
}
function GG(a, b, c, d, x, s, ac) {
  a = AddUnsigned(a, AddUnsigned(AddUnsigned(G(b, c, d), x), ac));
  return AddUnsigned(RotateLeft(a, s), b);
}
function HH(a, b, c, d, x, s, ac) {
  a = AddUnsigned(a, AddUnsigned(AddUnsigned(H(b, c, d), x), ac));
  return AddUnsigned(RotateLeft(a, s), b);
}
function II(a, b, c, d, x, s, ac) {
  a = AddUnsigned(a, AddUnsigned(AddUnsigned(I(b, c, d), x), ac));
  return AddUnsigned(RotateLeft(a, s), b);
}
function ConvertToWordArray(sMessage) {
  var lWordCount;
  var lMessageLength = sMessage.length;
  var lNumberOfWords_temp1 = lMessageLength+8;
  var lNumberOfWords_temp2 = (lNumberOfWords_temp1-(lNumberOfWords_temp1%64))/64;
  var lNumberOfWords = (lNumberOfWords_temp2+1)*16;
  var lWordArray = Array(lNumberOfWords-1);
  var lBytePosition = 0;
  var lByteCount = 0;
  while (lByteCount<lMessageLength) {
   lWordCount = (lByteCount-(lByteCount%4))/4;
   lBytePosition = (lByteCount%4)*8;
   lWordArray[lWordCount] = (lWordArray[lWordCount] | (sMessage.charCodeAt(lByteCount) << lBytePosition));
   lByteCount++;
  }
  lWordCount = (lByteCount-(lByteCount%4))/4;
  lBytePosition = (lByteCount%4)*8;
  lWordArray[lWordCount] = lWordArray[lWordCount] | (0x80 << lBytePosition);
  lWordArray[lNumberOfWords-2] = lMessageLength << 3;
  lWordArray[lNumberOfWords-1] = lMessageLength >>> 29;
  return lWordArray;
}
function WordToHex(lValue) {
  var WordToHexValue = "", WordToHexValue_temp = "", lByte, lCount;
  for (lCount=0; lCount<=3; lCount++) {
   lByte = (lValue >>> (lCount*8)) & 255;
   WordToHexValue_temp = "0"+lByte.toString(16);
   WordToHexValue = WordToHexValue+WordToHexValue_temp.substr(WordToHexValue_temp.length-2, 2);
  }
  return WordToHexValue;
}
var x = Array();
var k, AA, BB, CC, DD, a, b, c, d;
var S11 = 7, S12 = 12, S13 = 17, S14 = 22;
var S21 = 5, S22 = 9, S23 = 14, S24 = 20;
var S31 = 4, S32 = 11, S33 = 16, S34 = 23;
var S41 = 6, S42 = 10, S43 = 15, S44 = 21;
x = ConvertToWordArray(sMessage);
a = 0x67452301;
b = 0xEFCDAB89;
c = 0x98BADCFE;
d = 0x10325476;
for (k=0; k<x.length; k += 16) {
  AA = a;
  BB = b;
  CC = c;
  DD = d;
  a = FF(a, b, c, d, x[k+0], S11, 0xD76AA478);
  d = FF(d, a, b, c, x[k+1], S12, 0xE8C7B756);
  c = FF(c, d, a, b, x[k+2], S13, 0x242070DB);
  b = FF(b, c, d, a, x[k+3], S14, 0xC1BDCEEE);
  a = FF(a, b, c, d, x[k+4], S11, 0xF57C0FAF);
  d = FF(d, a, b, c, x[k+5], S12, 0x4787C62A);
  c = FF(c, d, a, b, x[k+6], S13, 0xA8304613);
  b = FF(b, c, d, a, x[k+7], S14, 0xFD469501);
  a = FF(a, b, c, d, x[k+8], S11, 0x698098D8);
  d = FF(d, a, b, c, x[k+9], S12, 0x8B44F7AF);
  c = FF(c, d, a, b, x[k+10], S13, 0xFFFF5BB1);
  b = FF(b, c, d, a, x[k+11], S14, 0x895CD7BE);
  a = FF(a, b, c, d, x[k+12], S11, 0x6B901122);
  d = FF(d, a, b, c, x[k+13], S12, 0xFD987193);
  c = FF(c, d, a, b, x[k+14], S13, 0xA679438E);
  b = FF(b, c, d, a, x[k+15], S14, 0x49B40821);
  a = GG(a, b, c, d, x[k+1], S21, 0xF61E2562);
  d = GG(d, a, b, c, x[k+6], S22, 0xC040B340);
  c = GG(c, d, a, b, x[k+11], S23, 0x265E5A51);
  b = GG(b, c, d, a, x[k+0], S24, 0xE9B6C7AA);
  a = GG(a, b, c, d, x[k+5], S21, 0xD62F105D);
  d = GG(d, a, b, c, x[k+10], S22, 0x2441453);
  c = GG(c, d, a, b, x[k+15], S23, 0xD8A1E681);
  b = GG(b, c, d, a, x[k+4], S24, 0xE7D3FBC8);
  a = GG(a, b, c, d, x[k+9], S21, 0x21E1CDE6);
  d = GG(d, a, b, c, x[k+14], S22, 0xC33707D6);
  c = GG(c, d, a, b, x[k+3], S23, 0xF4D50D87);
  b = GG(b, c, d, a, x[k+8], S24, 0x455A14ED);
  a = GG(a, b, c, d, x[k+13], S21, 0xA9E3E905);
  d = GG(d, a, b, c, x[k+2], S22, 0xFCEFA3F8);
  c = GG(c, d, a, b, x[k+7], S23, 0x676F02D9);
  b = GG(b, c, d, a, x[k+12], S24, 0x8D2A4C8A);
  a = HH(a, b, c, d, x[k+5], S31, 0xFFFA3942);
  d = HH(d, a, b, c, x[k+8], S32, 0x8771F681);
  c = HH(c, d, a, b, x[k+11], S33, 0x6D9D6122);
  b = HH(b, c, d, a, x[k+14], S34, 0xFDE5380C);
  a = HH(a, b, c, d, x[k+1], S31, 0xA4BEEA44);
  d = HH(d, a, b, c, x[k+4], S32, 0x4BDECFA9);
  c = HH(c, d, a, b, x[k+7], S33, 0xF6BB4B60);
  b = HH(b, c, d, a, x[k+10], S34, 0xBEBFBC70);
  a = HH(a, b, c, d, x[k+13], S31, 0x289B7EC6);
  d = HH(d, a, b, c, x[k+0], S32, 0xEAA127FA);
  c = HH(c, d, a, b, x[k+3], S33, 0xD4EF3085);
  b = HH(b, c, d, a, x[k+6], S34, 0x4881D05);
  a = HH(a, b, c, d, x[k+9], S31, 0xD9D4D039);
  d = HH(d, a, b, c, x[k+12], S32, 0xE6DB99E5);
  c = HH(c, d, a, b, x[k+15], S33, 0x1FA27CF8);
  b = HH(b, c, d, a, x[k+2], S34, 0xC4AC5665);
  a = II(a, b, c, d, x[k+0], S41, 0xF4292244);
  d = II(d, a, b, c, x[k+7], S42, 0x432AFF97);
  c = II(c, d, a, b, x[k+14], S43, 0xAB9423A7);
  b = II(b, c, d, a, x[k+5], S44, 0xFC93A039);
  a = II(a, b, c, d, x[k+12], S41, 0x655B59C3);
  d = II(d, a, b, c, x[k+3], S42, 0x8F0CCC92);
  c = II(c, d, a, b, x[k+10], S43, 0xFFEFF47D);
  b = II(b, c, d, a, x[k+1], S44, 0x85845DD1);
  a = II(a, b, c, d, x[k+8], S41, 0x6FA87E4F);
  d = II(d, a, b, c, x[k+15], S42, 0xFE2CE6E0);
  c = II(c, d, a, b, x[k+6], S43, 0xA3014314);
  b = II(b, c, d, a, x[k+13], S44, 0x4E0811A1);
  a = II(a, b, c, d, x[k+4], S41, 0xF7537E82);
  d = II(d, a, b, c, x[k+11], S42, 0xBD3AF235);
  c = II(c, d, a, b, x[k+2], S43, 0x2AD7D2BB);
  b = II(b, c, d, a, x[k+9], S44, 0xEB86D391);
  a = AddUnsigned(a, AA);
  b = AddUnsigned(b, BB);
  c = AddUnsigned(c, CC);
  d = AddUnsigned(d, DD);
}
var temp = WordToHex(a)+WordToHex(b)+WordToHex(c)+WordToHex(d);
temp = temp.toLowerCase();
temp = temp.substr(temp.length/4, temp.length/2);
return temp;
};
//---------------------------------------------------------------------------------------
function md5(s) {
return binl2hex(core_md5(str2binl(s), s.length*strsize));
}
function core_md5(x, len) {
x[len >> 5] = (x[len >> 5]) | (128 << len%32);
x[(((len+64) >>> 9) << 4)+14] = len;
var a = 1732584193;
var b = -271733879;
var c = -1732584194;
var d = 271733878;
var i = 0;
while (i<x.length) {
  var olda = a;
  var oldb = b;
  var oldc = c;
  var oldd = d;
  a = md5_ff(a, b, c, d, x[i+0], 7, -680876936);
  d = md5_ff(d, a, b, c, x[i+1], 12, -389564586);
  c = md5_ff(c, d, a, b, x[i+2], 17, 606105819);
  b = md5_ff(b, c, d, a, x[i+3], 22, -1044525330);
  a = md5_ff(a, b, c, d, x[i+4], 7, -176418897);
  d = md5_ff(d, a, b, c, x[i+5], 12, 1200080426);
  c = md5_ff(c, d, a, b, x[i+6], 17, -1473231341);
  b = md5_ff(b, c, d, a, x[i+7], 22, -45705983);
  a = md5_ff(a, b, c, d, x[i+8], 7, 1770035416);
  d = md5_ff(d, a, b, c, x[i+9], 12, -1958414417);
  c = md5_ff(c, d, a, b, x[i+10], 17, -42063);
  b = md5_ff(b, c, d, a, x[i+11], 22, -1990404162);
  a = md5_ff(a, b, c, d, x[i+12], 7, 1804603682);
  d = md5_ff(d, a, b, c, x[i+13], 12, -40341101);
  c = md5_ff(c, d, a, b, x[i+14], 17, -1502002290);
  b = md5_ff(b, c, d, a, x[i+15], 22, 1236535329);
  a = md5_gg(a, b, c, d, x[i+1], 5, -165796510);
  d = md5_gg(d, a, b, c, x[i+6], 9, -1069501632);
  c = md5_gg(c, d, a, b, x[i+11], 14, 643717713);
  b = md5_gg(b, c, d, a, x[i+0], 20, -373897302);
  a = md5_gg(a, b, c, d, x[i+5], 5, -701558691);
  d = md5_gg(d, a, b, c, x[i+10], 9, 38016083);
  c = md5_gg(c, d, a, b, x[i+15], 14, -660478335);
  b = md5_gg(b, c, d, a, x[i+4], 20, -405537848);
  a = md5_gg(a, b, c, d, x[i+9], 5, 568446438);
  d = md5_gg(d, a, b, c, x[i+14], 9, -1019803690);
  c = md5_gg(c, d, a, b, x[i+3], 14, -187363961);
  b = md5_gg(b, c, d, a, x[i+8], 20, 1163531501);
  a = md5_gg(a, b, c, d, x[i+13], 5, -1444681467);
  d = md5_gg(d, a, b, c, x[i+2], 9, -51403784);
  c = md5_gg(c, d, a, b, x[i+7], 14, 1735328473);
  b = md5_gg(b, c, d, a, x[i+12], 20, -1926607734);
  a = md5_hh(a, b, c, d, x[i+5], 4, -378558);
  d = md5_hh(d, a, b, c, x[i+8], 11, -2022574463);
  c = md5_hh(c, d, a, b, x[i+11], 16, 1839030562);
  b = md5_hh(b, c, d, a, x[i+14], 23, -35309556);
  a = md5_hh(a, b, c, d, x[i+1], 4, -1530992060);
  d = md5_hh(d, a, b, c, x[i+4], 11, 1272893353);
  c = md5_hh(c, d, a, b, x[i+7], 16, -155497632);
  b = md5_hh(b, c, d, a, x[i+10], 23, -1094730640);
  a = md5_hh(a, b, c, d, x[i+13], 4, 681279174);
  d = md5_hh(d, a, b, c, x[i+0], 11, -358537222);
  c = md5_hh(c, d, a, b, x[i+3], 16, -722521979);
  b = md5_hh(b, c, d, a, x[i+6], 23, 76029189);
  a = md5_hh(a, b, c, d, x[i+9], 4, -640364487);
  d = md5_hh(d, a, b, c, x[i+12], 11, -421815835);
  c = md5_hh(c, d, a, b, x[i+15], 16, 530742520);
  b = md5_hh(b, c, d, a, x[i+2], 23, -995338651);
  a = md5_ii(a, b, c, d, x[i+0], 6, -198630844);
  d = md5_ii(d, a, b, c, x[i+7], 10, 1126891415);
  c = md5_ii(c, d, a, b, x[i+14], 15, -1416354905);
  b = md5_ii(b, c, d, a, x[i+5], 21, -57434055);
  a = md5_ii(a, b, c, d, x[i+12], 6, 1700485571);
  d = md5_ii(d, a, b, c, x[i+3], 10, -1894986606);
  c = md5_ii(c, d, a, b, x[i+10], 15, -1051523);
  b = md5_ii(b, c, d, a, x[i+1], 21, -2054922799);
  a = md5_ii(a, b, c, d, x[i+8], 6, 1873313359);
  d = md5_ii(d, a, b, c, x[i+15], 10, -30611744);
  c = md5_ii(c, d, a, b, x[i+6], 15, -1560198380);
  b = md5_ii(b, c, d, a, x[i+13], 21, 1309151649);
  a = md5_ii(a, b, c, d, x[i+4], 6, -145523070);
  d = md5_ii(d, a, b, c, x[i+11], 10, -1120210379);
  c = md5_ii(c, d, a, b, x[i+2], 15, 718787259);
  b = md5_ii(b, c, d, a, x[i+9], 21, -343485551);
  a = safe_add(a, olda);
  b = safe_add(b, oldb);
  c = safe_add(c, oldc);
  d = safe_add(d, oldd);
  i = i+16;
}
return Array(a, b, c, d);
}
function md5_cmn(q, a, b, x, s, t) {
return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s), b);
}
function md5_ff(a, b, c, d, x, s, t) {
return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);
}
function md5_gg(a, b, c, d, x, s, t) {
return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t);
}
function md5_hh(a, b, c, d, x, s, t) {
return md5_cmn((b ^ c) ^ d, a, b, x, s, t);
}
function md5_ii(a, b, c, d, x, s, t) {
return md5_cmn(c ^ (b | (~d)), a, b, x, s, t);
}
function safe_add(x, y) {
var lsw = (x & 65535)+(y & 65535);
var msw = ((x >> 16)+(y >> 16))+(lsw >> 16);
return (msw << 16) | (lsw & 65535);
}
function bit_rol(num, cnt) {
return (num << cnt) | (num >>> (32-cnt));
}
function str2binl(str) {
var bin = Array();
var mask = (1 << strsize)-1;
var i = 0;
while (i<(str.length*strsize)) {
  bin[i >> 5] = (bin[i >> 5]) | ((str.charCodeAt(i/strsize) & mask) << i%32);
  i = i+strsize;
}
return bin;
}
function binl2hex(binarray) {
if (hexcase) {
} else {
}
var hex_tab = "0123456789abcdef";
var str = "";
var i = 0;
while (i<(binarray.length*4)) {
  str = str+(hex_tab.charAt(((binarray[i >> 2]) >> ((i%4*8)+4)) & 15)+hex_tab.charAt(((binarray[i >> 2]) >> (i%4*8)) & 15));
  i++;
}
return str;
}
var hexcase = 0;
var strsize = 8;
//--------以上不用修改，
b = md5("张滨");
//xx可设为任意字符
s = b.toUpperCase();
//转换成大写
trace(b);
trace(s);