var hexcase = 1;  /* hex output format. 0 - lowercase; 1 - uppercase        */
var b64pad  = ''; /* base-64 pad character. '=' for strict RFC compliance   */
var chrsz   = 8;  /* bits per input character. 8 - ASCII; 16 - Unicode      */

var intChrLength = 11;
var chrarrLatChar = new Array(274, 362, 298, 256, 352, 290, 310, 315, 381, 268, 325);
/*                            Ç    Û    Î    Â    Ð    Ì    Í    Ï    Þ    È    Ò  */
var chrarr256Char = new Array(199, 219, 206, 194, 208, 204, 205, 207, 222, 200, 210);

/* * These are the functions you'll usually want to call * They take string arguments and return either hex or base-64 encoded strings */
function hex_md5(s) {
  var str = "";
  var j;
  for(var i = 0; i < s.length; i ++) {
    j = s.charCodeAt(i);
    if (j > 255) {
      for (k = 0; k < intChrLength; k++)
        if (chrarrLatChar[k] == j) {
          str = str + String.fromCharCode(chrarr256Char[k]);
          break;
        }
    } else
      str = str + s.charAt(i);
  }
  return binl2hex(core_md5(str2binl(str), str.length * chrsz));
}
function b64_md5(s) {
  return binl2b64(core_md5(str2binl(s), s.length * chrsz));
}
function str_md5(s) {
  return binl2str(core_md5(str2binl(s), s.length * chrsz));
}
function hex_hmac_md5(key, data) {
  return binl2hex(core_hmac_md5(key, data));
}
function b64_hmac_md5(key, data) {
  return binl2b64(core_hmac_md5(key, data));
}
function str_hmac_md5(key, data) {
  return binl2str(core_hmac_md5(key, data));
}
/*   * Calculate the MD5 of an array of little-endian words, and a bit length   */
function core_md5(x, len)  {
        /* append padding */
        x[len >> 5] |= 0x80 << ((len) % 32);
        x[(((len + 64) >>> 9) << 4) + 14] = len;
        var a =  1732584193;
        var b = -271733879;
        var c = -1732584194;
        var d =  271733878;
        for(var i = 0; i < x.length; i += 16) {
                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);
        }
        return Array(a, b, c, d);
}
/*   * These functions implement the four basic operations the algorithm uses.   */
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);
}
/*   * Calculate the HMAC-MD5, of a key and some data   */
function core_hmac_md5(key, data) {
        var bkey = str2binl(key);
        if(bkey.length > 16) bkey = core_md5(bkey, key.length * chrsz);
        var ipad = Array(16), opad = Array(16);
        for(var i = 0; i < 16; i++) {
                ipad[i] = bkey[i] ^ 0x36363636;
                opad[i] = bkey[i] ^ 0x5C5C5C5C;
        }
        var hash = core_md5(ipad.concat(str2binl(data)), 512 + data.length * chrsz);
        return core_md5(opad.concat(hash), 512 + 128);
}
/*   * Add integers, wrapping at 2^32. This uses 16-bit operations internally   * to work around bugs in some JS interpreters.   */
function safe_add(x, y) {
        var lsw = (x & 0xFFFF) + (y & 0xFFFF);
        var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
        return (msw << 16) | (lsw & 0xFFFF);
}
/*   * Bitwise rotate a 32-bit number to the left.   */
function bit_rol(num, cnt) {
        return (num << cnt) | (num >>> (32 - cnt));
}
/*   * Convert a string to an array of little-endian words   * If chrsz is ASCII, characters >255 have their hi-byte silently ignored.   */
function str2binl(str) {
        var bin = Array();
        var mask = (1 << chrsz) - 1;
        for(var i = 0; i < str.length * chrsz; i += chrsz) bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (i%32);
        return bin;
}
/*   * Convert an array of little-endian words to a string   */
function binl2str(bin) {
        var str = '';
        var mask = (1 << chrsz) - 1;
        for(var i = 0; i < bin.length * 32; i += chrsz) str += String.fromCharCode((bin[i>>5] >>> (i % 32)) & mask);
        return str;
        }
/*   * Convert an array of little-endian words to a hex string.   */
function binl2hex(binarray)  {
        var hex_tab = hexcase ? '0123456789ABCDEF' : '0123456789abcdef';
        var str = '';
        for(var i = 0; i < binarray.length * 4; i++) {
                str += hex_tab.charAt((binarray[i>>2] >> ((i%4)*8+4)) & 0xF) + hex_tab.charAt((binarray[i>>2] >> ((i%4)*8  )) & 0xF);
        }
        return str;
}
/*   * Convert an array of little-endian words to a base-64 string   */
function binl2b64(binarray) {
        var tab = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
        var str = '';
        for(var i = 0; i < binarray.length * 4; i += 3) {
                var triplet = (((binarray[i   >> 2] >> 8 * ( i   %4)) & 0xFF) << 16) | (((binarray[i+1 >> 2] >> 8 * ((i+1)%4)) & 0xFF) << 8 ) |  ((binarray[i+2 >> 2] >> 8 * ((i+2)%4)) & 0xFF);
                for(var j = 0; j < 4; j++) {
                        if(i * 8 + j * 6 > binarray.length * 32)
                                str += b64pad;
                        else
                                str += tab.charAt((triplet >> 6*(3-j)) & 0x3F);
                }
        }
        return str;
}