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百度翻译api的md5

百度翻译api的MD5算法

此脚本不应直接安装，它是一个供其他脚本使用的外部库。如果您需要使用该库，请在脚本元属性加入：// @require https://update.gf.qytechs.cn/scripts/416533/872196/%E7%99%BE%E5%BA%A6%E7%BF%BB%E8%AF%91api%E7%9A%84md5.js 

  1. (function() {
  2. window.MD5 = function (string) {
  3.     function RotateLeft(lValue, iShiftBits) {
  4.         return (lValue<<iShiftBits) | (lValue>>>(32-iShiftBits));
  5.     }
  6.   
  7.     function AddUnsigned(lX,lY) {
  8.         var lX4,lY4,lX8,lY8,lResult;
  9.         lX8 = (lX & 0x80000000);
  10.         lY8 = (lY & 0x80000000);
  11.         lX4 = (lX & 0x40000000);
  12.         lY4 = (lY & 0x40000000);
  13.         lResult = (lX & 0x3FFFFFFF)+(lY & 0x3FFFFFFF);
  14.         if (lX4 & lY4) {
  15.             return (lResult ^ 0x80000000 ^ lX8 ^ lY8);
  16.         }
  17.         if (lX4 | lY4) {
  18.             if (lResult & 0x40000000) {
  19.                 return (lResult ^ 0xC0000000 ^ lX8 ^ lY8);
  20.             } else {
  21.                 return (lResult ^ 0x40000000 ^ lX8 ^ lY8);
  22.             }
  23.         } else {
  24.             return (lResult ^ lX8 ^ lY8);
  25.         }
  26.     }
  27.   
  28.     function F(x,y,z) { return (x & y) | ((~x) & z); }
  29.     function G(x,y,z) { return (x & z) | (y & (~z)); }
  30.     function H(x,y,z) { return (x ^ y ^ z); }
  31.     function I(x,y,z) { return (y ^ (x | (~z))); }
  32.   
  33.     function FF(a,b,c,d,x,s,ac) {
  34.         a = AddUnsigned(a, AddUnsigned(AddUnsigned(F(b, c, d), x), ac));
  35.         return AddUnsigned(RotateLeft(a, s), b);
  36.     }
  37.   
  38.     function GG(a,b,c,d,x,s,ac) {
  39.         a = AddUnsigned(a, AddUnsigned(AddUnsigned(G(b, c, d), x), ac));
  40.         return AddUnsigned(RotateLeft(a, s), b);
  41.     }
  42.   
  43.     function HH(a,b,c,d,x,s,ac) {
  44.         a = AddUnsigned(a, AddUnsigned(AddUnsigned(H(b, c, d), x), ac));
  45.         return AddUnsigned(RotateLeft(a, s), b);
  46.     }
  47.   
  48.     function II(a,b,c,d,x,s,ac) {
  49.         a = AddUnsigned(a, AddUnsigned(AddUnsigned(I(b, c, d), x), ac));
  50.         return AddUnsigned(RotateLeft(a, s), b);
  51.     }
  52.   
  53.     function ConvertToWordArray(string) {
  54.         var lWordCount;
  55.         var lMessageLength = string.length;
  56.         var lNumberOfWords_temp1=lMessageLength + 8;
  57.         var lNumberOfWords_temp2=(lNumberOfWords_temp1-(lNumberOfWords_temp1 % 64))/64;
  58.         var lNumberOfWords = (lNumberOfWords_temp2+1)*16;
  59.         var lWordArray=Array(lNumberOfWords-1);
  60.         var lBytePosition = 0;
  61.         var lByteCount = 0;
  62.         while ( lByteCount < lMessageLength ) {
  63.             lWordCount = (lByteCount-(lByteCount % 4))/4;
  64.             lBytePosition = (lByteCount % 4)*8;
  65.             lWordArray[lWordCount] = (lWordArray[lWordCount] | (string.charCodeAt(lByteCount)<<lBytePosition));
  66.             lByteCount++;
  67.         }
  68.         lWordCount = (lByteCount-(lByteCount % 4))/4;
  69.         lBytePosition = (lByteCount % 4)*8;
  70.         lWordArray[lWordCount] = lWordArray[lWordCount] | (0x80<<lBytePosition);
  71.         lWordArray[lNumberOfWords-2] = lMessageLength<<3;
  72.         lWordArray[lNumberOfWords-1] = lMessageLength>>>29;
  73.         return lWordArray;
  74.     }
  75.   
  76.     function WordToHex(lValue) {
  77.         var WordToHexValue="",WordToHexValue_temp="",lByte,lCount;
  78.         for (lCount = 0;lCount<=3;lCount++) {
  79.             lByte = (lValue>>>(lCount*8)) & 255;
  80.             WordToHexValue_temp = "0" + lByte.toString(16);
  81.             WordToHexValue = WordToHexValue + WordToHexValue_temp.substr(WordToHexValue_temp.length-2,2);
  82.         }
  83.         return WordToHexValue;
  84.     }
  85.   
  86.     function Utf8Encode(string) {
  87.         string = string.replace(/\r\n/g,"\n");
  88.         var utftext = "";
  89.   
  90.         for (var n = 0; n < string.length; n++) {
  91.   
  92.             var c = string.charCodeAt(n);
  93.   
  94.             if (c < 128) {
  95.                 utftext += String.fromCharCode(c);
  96.             }
  97.             else if((c > 127) && (c < 2048)) {
  98.                 utftext += String.fromCharCode((c >> 6) | 192);
  99.                 utftext += String.fromCharCode((c & 63) | 128);
  100.             }
  101.             else {
  102.                 utftext += String.fromCharCode((c >> 12) | 224);
  103.                 utftext += String.fromCharCode(((c >> 6) & 63) | 128);
  104.                 utftext += String.fromCharCode((c & 63) | 128);
  105.             }
  106.   
  107.         }
  108.   
  109.         return utftext;
  110.     }
  111.   
  112.     var x=Array();
  113.     var k,AA,BB,CC,DD,a,b,c,d;
  114.     var S11=7, S12=12, S13=17, S14=22;
  115.     var S21=5, S22=9 , S23=14, S24=20;
  116.     var S31=4, S32=11, S33=16, S34=23;
  117.     var S41=6, S42=10, S43=15, S44=21;
  118.   
  119.     string = Utf8Encode(string);
  120.   
  121.     x = ConvertToWordArray(string);
  122.   
  123.     a = 0x67452301; b = 0xEFCDAB89; c = 0x98BADCFE; d = 0x10325476;
  124.   
  125.     for (k=0;k<x.length;k+=16) {
  126.         AA=a; BB=b; CC=c; DD=d;
  127.         a=FF(a,b,c,d,x[k+0], S11,0xD76AA478);
  128.         d=FF(d,a,b,c,x[k+1], S12,0xE8C7B756);
  129.         c=FF(c,d,a,b,x[k+2], S13,0x242070DB);
  130.         b=FF(b,c,d,a,x[k+3], S14,0xC1BDCEEE);
  131.         a=FF(a,b,c,d,x[k+4], S11,0xF57C0FAF);
  132.         d=FF(d,a,b,c,x[k+5], S12,0x4787C62A);
  133.         c=FF(c,d,a,b,x[k+6], S13,0xA8304613);
  134.         b=FF(b,c,d,a,x[k+7], S14,0xFD469501);
  135.         a=FF(a,b,c,d,x[k+8], S11,0x698098D8);
  136.         d=FF(d,a,b,c,x[k+9], S12,0x8B44F7AF);
  137.         c=FF(c,d,a,b,x[k+10],S13,0xFFFF5BB1);
  138.         b=FF(b,c,d,a,x[k+11],S14,0x895CD7BE);
  139.         a=FF(a,b,c,d,x[k+12],S11,0x6B901122);
  140.         d=FF(d,a,b,c,x[k+13],S12,0xFD987193);
  141.         c=FF(c,d,a,b,x[k+14],S13,0xA679438E);
  142.         b=FF(b,c,d,a,x[k+15],S14,0x49B40821);
  143.         a=GG(a,b,c,d,x[k+1], S21,0xF61E2562);
  144.         d=GG(d,a,b,c,x[k+6], S22,0xC040B340);
  145.         c=GG(c,d,a,b,x[k+11],S23,0x265E5A51);
  146.         b=GG(b,c,d,a,x[k+0], S24,0xE9B6C7AA);
  147.         a=GG(a,b,c,d,x[k+5], S21,0xD62F105D);
  148.         d=GG(d,a,b,c,x[k+10],S22,0x2441453);
  149.         c=GG(c,d,a,b,x[k+15],S23,0xD8A1E681);
  150.         b=GG(b,c,d,a,x[k+4], S24,0xE7D3FBC8);
  151.         a=GG(a,b,c,d,x[k+9], S21,0x21E1CDE6);
  152.         d=GG(d,a,b,c,x[k+14],S22,0xC33707D6);
  153.         c=GG(c,d,a,b,x[k+3], S23,0xF4D50D87);
  154.         b=GG(b,c,d,a,x[k+8], S24,0x455A14ED);
  155.         a=GG(a,b,c,d,x[k+13],S21,0xA9E3E905);
  156.         d=GG(d,a,b,c,x[k+2], S22,0xFCEFA3F8);
  157.         c=GG(c,d,a,b,x[k+7], S23,0x676F02D9);
  158.         b=GG(b,c,d,a,x[k+12],S24,0x8D2A4C8A);
  159.         a=HH(a,b,c,d,x[k+5], S31,0xFFFA3942);
  160.         d=HH(d,a,b,c,x[k+8], S32,0x8771F681);
  161.         c=HH(c,d,a,b,x[k+11],S33,0x6D9D6122);
  162.         b=HH(b,c,d,a,x[k+14],S34,0xFDE5380C);
  163.         a=HH(a,b,c,d,x[k+1], S31,0xA4BEEA44);
  164.         d=HH(d,a,b,c,x[k+4], S32,0x4BDECFA9);
  165.         c=HH(c,d,a,b,x[k+7], S33,0xF6BB4B60);
  166.         b=HH(b,c,d,a,x[k+10],S34,0xBEBFBC70);
  167.         a=HH(a,b,c,d,x[k+13],S31,0x289B7EC6);
  168.         d=HH(d,a,b,c,x[k+0], S32,0xEAA127FA);
  169.         c=HH(c,d,a,b,x[k+3], S33,0xD4EF3085);
  170.         b=HH(b,c,d,a,x[k+6], S34,0x4881D05);
  171.         a=HH(a,b,c,d,x[k+9], S31,0xD9D4D039);
  172.         d=HH(d,a,b,c,x[k+12],S32,0xE6DB99E5);
  173.         c=HH(c,d,a,b,x[k+15],S33,0x1FA27CF8);
  174.         b=HH(b,c,d,a,x[k+2], S34,0xC4AC5665);
  175.         a=II(a,b,c,d,x[k+0], S41,0xF4292244);
  176.         d=II(d,a,b,c,x[k+7], S42,0x432AFF97);
  177.         c=II(c,d,a,b,x[k+14],S43,0xAB9423A7);
  178.         b=II(b,c,d,a,x[k+5], S44,0xFC93A039);
  179.         a=II(a,b,c,d,x[k+12],S41,0x655B59C3);
  180.         d=II(d,a,b,c,x[k+3], S42,0x8F0CCC92);
  181.         c=II(c,d,a,b,x[k+10],S43,0xFFEFF47D);
  182.         b=II(b,c,d,a,x[k+1], S44,0x85845DD1);
  183.         a=II(a,b,c,d,x[k+8], S41,0x6FA87E4F);
  184.         d=II(d,a,b,c,x[k+15],S42,0xFE2CE6E0);
  185.         c=II(c,d,a,b,x[k+6], S43,0xA3014314);
  186.         b=II(b,c,d,a,x[k+13],S44,0x4E0811A1);
  187.         a=II(a,b,c,d,x[k+4], S41,0xF7537E82);
  188.         d=II(d,a,b,c,x[k+11],S42,0xBD3AF235);
  189.         c=II(c,d,a,b,x[k+2], S43,0x2AD7D2BB);
  190.         b=II(b,c,d,a,x[k+9], S44,0xEB86D391);
  191.         a=AddUnsigned(a,AA);
  192.         b=AddUnsigned(b,BB);
  193.         c=AddUnsigned(c,CC);
  194.         d=AddUnsigned(d,DD);
  195.     }
  196.   
  197.     var temp = WordToHex(a)+WordToHex(b)+WordToHex(c)+WordToHex(d);
  198.   
  199.     return temp.toLowerCase();
  200. }
  201. })();

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