text: /**
  *
  *  MD5 (Message-Digest Algorithm)
  *  http://www.webtoolkit.info/
  *
  **/
  
  
  
  
  var MD5 = function (string) {
  
  
  
  
    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(string) {
  
  
      var lWordCount;
  
  
      var lMessageLength = string.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] | (string.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;
  
  
    };
  
  
  
  
    function Utf8Encode(string) {
  
  
      string = string.replace(/\r\n/g, "\n");
  
  
      var utftext = "";
  
  
  
  
      for (var n = 0; n < string.length; n++) {
  
  
  
  
        var c = string.charCodeAt(n);
  
  
  
  
        if (c < 128) {
  
  
          utftext += String.fromCharCode(c);
  
  
        }
  
  
        else if ((c > 127) && (c < 2048)) {
  
  
          utftext += String.fromCharCode((c >> 6) | 192);
  
  
          utftext += String.fromCharCode((c & 63) | 128);
  
  
        }
  
  
        else {
  
  
          utftext += String.fromCharCode((c >> 12) | 224);
  
  
          utftext += String.fromCharCode(((c >> 6) & 63) | 128);
  
  
          utftext += String.fromCharCode((c & 63) | 128);
  
  
        }
  
  
  
  
      }
  
  
  
  
      return utftext;
  
  
    };
  
  
  
  
    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;
  
  
  
  
    string = Utf8Encode(string);
  
  
  
  
    x = ConvertToWordArray(string);
  
  
  
  
    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);
  
  
  
  
    return temp.toLowerCase();
  
  }
  
  module.exports = {
    MD5,
    md5: MD5
  }