MD5

function utf8_encode(str_data) {
    str_data = str_data.replace(/\r\n/g, "\n");
    var utftext = "";

    for (var n = 0; n < str_data.length; n++) {
        var c = str_data.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;
}

function md5(Text) {
    var RotateLeft = function(lValue, iShiftBits) {
        return (lValue << iShiftBits) | (lValue >>> (32 - iShiftBits));
    };

    var AddUnsigned = function(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);
        }
    };

    var F = function(x,y,z) {return (x & y) | ((~x) & z);};
    var G = function(x,y,z) {return (x & z) | (y & (~z));};
    var H = function(x,y,z) {return (x ^ y ^ z);};
    var I = function(x,y,z) {return (y ^ (x | (~z)));};

    var FF = function(a,b,c,d,x,s,ac) {
        a = AddUnsigned(a, AddUnsigned(AddUnsigned(F(b,c,d), x), ac));
        return AddUnsigned(RotateLeft(a,s), b);
    };

    var GG = function(a,b,c,d,x,s,ac) {
        a = AddUnsigned(a, AddUnsigned(AddUnsigned(G(b,c,d), x), ac));
        return AddUnsigned(RotateLeft(a,s), b);
    };

    var HH = function(a,b,c,d,x,s,ac) {
        a = AddUnsigned(a, AddUnsigned(AddUnsigned(H(b,c,d), x), ac));
        return AddUnsigned(RotateLeft(a,s), b);
    };

    var II = function(a,b,c,d,x,s,ac) {
        a = AddUnsigned(a, AddUnsigned(AddUnsigned(I(b,c,d), x), ac));
        return AddUnsigned(RotateLeft(a,s), b);
    };

    var ConvertToWordArray = function(Text) {
        var lWordCount;
        var lMessageLength = Text.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] | (Text.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;
    };

    var WordToHex = function(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;

    Text = utf8_encode(Text);
    x = ConvertToWordArray(Text);
    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();
}