1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/logintets/md5.js	Sun Aug 30 02:19:26 2009 -0400
     1.3 @@ -0,0 +1,256 @@
     1.4 +/*
     1.5 + * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
     1.6 + * Digest Algorithm, as defined in RFC 1321.
     1.7 + * Version 2.1 Copyright (C) Paul Johnston 1999 - 2002.
     1.8 + * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
     1.9 + * Distributed under the BSD License
    1.10 + * See http://pajhome.org.uk/crypt/md5 for more info.
    1.11 + */
    1.12 +
    1.13 +/*
    1.14 + * Configurable variables. You may need to tweak these to be compatible with
    1.15 + * the server-side, but the defaults work in most cases.
    1.16 + */
    1.17 +var hexcase = 0;  /* hex output format. 0 - lowercase; 1 - uppercase        */
    1.18 +var b64pad  = ""; /* base-64 pad character. "=" for strict RFC compliance   */
    1.19 +var chrsz   = 8;  /* bits per input character. 8 - ASCII; 16 - Unicode      */
    1.20 +
    1.21 +/*
    1.22 + * These are the functions you'll usually want to call
    1.23 + * They take string arguments and return either hex or base-64 encoded strings
    1.24 + */
    1.25 +function hex_md5(s){ return binl2hex(core_md5(str2binl(s), s.length * chrsz));}
    1.26 +function b64_md5(s){ return binl2b64(core_md5(str2binl(s), s.length * chrsz));}
    1.27 +function str_md5(s){ return binl2str(core_md5(str2binl(s), s.length * chrsz));}
    1.28 +function hex_hmac_md5(key, data) { return binl2hex(core_hmac_md5(key, data)); }
    1.29 +function b64_hmac_md5(key, data) { return binl2b64(core_hmac_md5(key, data)); }
    1.30 +function str_hmac_md5(key, data) { return binl2str(core_hmac_md5(key, data)); }
    1.31 +
    1.32 +/*
    1.33 + * Perform a simple self-test to see if the VM is working
    1.34 + */
    1.35 +function md5_vm_test()
    1.36 +{
    1.37 +  return hex_md5("abc") == "900150983cd24fb0d6963f7d28e17f72";
    1.38 +}
    1.39 +
    1.40 +/*
    1.41 + * Calculate the MD5 of an array of little-endian words, and a bit length
    1.42 + */
    1.43 +function core_md5(x, len)
    1.44 +{
    1.45 +  /* append padding */
    1.46 +  x[len >> 5] |= 0x80 << ((len) % 32);
    1.47 +  x[(((len + 64) >>> 9) << 4) + 14] = len;
    1.48 +
    1.49 +  var a =  1732584193;
    1.50 +  var b = -271733879;
    1.51 +  var c = -1732584194;
    1.52 +  var d =  271733878;
    1.53 +
    1.54 +  for(var i = 0; i < x.length; i += 16)
    1.55 +  {
    1.56 +    var olda = a;
    1.57 +    var oldb = b;
    1.58 +    var oldc = c;
    1.59 +    var oldd = d;
    1.60 +
    1.61 +    a = md5_ff(a, b, c, d, x[i+ 0], 7 , -680876936);
    1.62 +    d = md5_ff(d, a, b, c, x[i+ 1], 12, -389564586);
    1.63 +    c = md5_ff(c, d, a, b, x[i+ 2], 17,  606105819);
    1.64 +    b = md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330);
    1.65 +    a = md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897);
    1.66 +    d = md5_ff(d, a, b, c, x[i+ 5], 12,  1200080426);
    1.67 +    c = md5_ff(c, d, a, b, x[i+ 6], 17, -1473231341);
    1.68 +    b = md5_ff(b, c, d, a, x[i+ 7], 22, -45705983);
    1.69 +    a = md5_ff(a, b, c, d, x[i+ 8], 7 ,  1770035416);
    1.70 +    d = md5_ff(d, a, b, c, x[i+ 9], 12, -1958414417);
    1.71 +    c = md5_ff(c, d, a, b, x[i+10], 17, -42063);
    1.72 +    b = md5_ff(b, c, d, a, x[i+11], 22, -1990404162);
    1.73 +    a = md5_ff(a, b, c, d, x[i+12], 7 ,  1804603682);
    1.74 +    d = md5_ff(d, a, b, c, x[i+13], 12, -40341101);
    1.75 +    c = md5_ff(c, d, a, b, x[i+14], 17, -1502002290);
    1.76 +    b = md5_ff(b, c, d, a, x[i+15], 22,  1236535329);
    1.77 +
    1.78 +    a = md5_gg(a, b, c, d, x[i+ 1], 5 , -165796510);
    1.79 +    d = md5_gg(d, a, b, c, x[i+ 6], 9 , -1069501632);
    1.80 +    c = md5_gg(c, d, a, b, x[i+11], 14,  643717713);
    1.81 +    b = md5_gg(b, c, d, a, x[i+ 0], 20, -373897302);
    1.82 +    a = md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691);
    1.83 +    d = md5_gg(d, a, b, c, x[i+10], 9 ,  38016083);
    1.84 +    c = md5_gg(c, d, a, b, x[i+15], 14, -660478335);
    1.85 +    b = md5_gg(b, c, d, a, x[i+ 4], 20, -405537848);
    1.86 +    a = md5_gg(a, b, c, d, x[i+ 9], 5 ,  568446438);
    1.87 +    d = md5_gg(d, a, b, c, x[i+14], 9 , -1019803690);
    1.88 +    c = md5_gg(c, d, a, b, x[i+ 3], 14, -187363961);
    1.89 +    b = md5_gg(b, c, d, a, x[i+ 8], 20,  1163531501);
    1.90 +    a = md5_gg(a, b, c, d, x[i+13], 5 , -1444681467);
    1.91 +    d = md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784);
    1.92 +    c = md5_gg(c, d, a, b, x[i+ 7], 14,  1735328473);
    1.93 +    b = md5_gg(b, c, d, a, x[i+12], 20, -1926607734);
    1.94 +
    1.95 +    a = md5_hh(a, b, c, d, x[i+ 5], 4 , -378558);
    1.96 +    d = md5_hh(d, a, b, c, x[i+ 8], 11, -2022574463);
    1.97 +    c = md5_hh(c, d, a, b, x[i+11], 16,  1839030562);
    1.98 +    b = md5_hh(b, c, d, a, x[i+14], 23, -35309556);
    1.99 +    a = md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060);
   1.100 +    d = md5_hh(d, a, b, c, x[i+ 4], 11,  1272893353);
   1.101 +    c = md5_hh(c, d, a, b, x[i+ 7], 16, -155497632);
   1.102 +    b = md5_hh(b, c, d, a, x[i+10], 23, -1094730640);
   1.103 +    a = md5_hh(a, b, c, d, x[i+13], 4 ,  681279174);
   1.104 +    d = md5_hh(d, a, b, c, x[i+ 0], 11, -358537222);
   1.105 +    c = md5_hh(c, d, a, b, x[i+ 3], 16, -722521979);
   1.106 +    b = md5_hh(b, c, d, a, x[i+ 6], 23,  76029189);
   1.107 +    a = md5_hh(a, b, c, d, x[i+ 9], 4 , -640364487);
   1.108 +    d = md5_hh(d, a, b, c, x[i+12], 11, -421815835);
   1.109 +    c = md5_hh(c, d, a, b, x[i+15], 16,  530742520);
   1.110 +    b = md5_hh(b, c, d, a, x[i+ 2], 23, -995338651);
   1.111 +
   1.112 +    a = md5_ii(a, b, c, d, x[i+ 0], 6 , -198630844);
   1.113 +    d = md5_ii(d, a, b, c, x[i+ 7], 10,  1126891415);
   1.114 +    c = md5_ii(c, d, a, b, x[i+14], 15, -1416354905);
   1.115 +    b = md5_ii(b, c, d, a, x[i+ 5], 21, -57434055);
   1.116 +    a = md5_ii(a, b, c, d, x[i+12], 6 ,  1700485571);
   1.117 +    d = md5_ii(d, a, b, c, x[i+ 3], 10, -1894986606);
   1.118 +    c = md5_ii(c, d, a, b, x[i+10], 15, -1051523);
   1.119 +    b = md5_ii(b, c, d, a, x[i+ 1], 21, -2054922799);
   1.120 +    a = md5_ii(a, b, c, d, x[i+ 8], 6 ,  1873313359);
   1.121 +    d = md5_ii(d, a, b, c, x[i+15], 10, -30611744);
   1.122 +    c = md5_ii(c, d, a, b, x[i+ 6], 15, -1560198380);
   1.123 +    b = md5_ii(b, c, d, a, x[i+13], 21,  1309151649);
   1.124 +    a = md5_ii(a, b, c, d, x[i+ 4], 6 , -145523070);
   1.125 +    d = md5_ii(d, a, b, c, x[i+11], 10, -1120210379);
   1.126 +    c = md5_ii(c, d, a, b, x[i+ 2], 15,  718787259);
   1.127 +    b = md5_ii(b, c, d, a, x[i+ 9], 21, -343485551);
   1.128 +
   1.129 +    a = safe_add(a, olda);
   1.130 +    b = safe_add(b, oldb);
   1.131 +    c = safe_add(c, oldc);
   1.132 +    d = safe_add(d, oldd);
   1.133 +  }
   1.134 +  return Array(a, b, c, d);
   1.135 +
   1.136 +}
   1.137 +
   1.138 +/*
   1.139 + * These functions implement the four basic operations the algorithm uses.
   1.140 + */
   1.141 +function md5_cmn(q, a, b, x, s, t)
   1.142 +{
   1.143 +  return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s),b);
   1.144 +}
   1.145 +function md5_ff(a, b, c, d, x, s, t)
   1.146 +{
   1.147 +  return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);
   1.148 +}
   1.149 +function md5_gg(a, b, c, d, x, s, t)
   1.150 +{
   1.151 +  return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t);
   1.152 +}
   1.153 +function md5_hh(a, b, c, d, x, s, t)
   1.154 +{
   1.155 +  return md5_cmn(b ^ c ^ d, a, b, x, s, t);
   1.156 +}
   1.157 +function md5_ii(a, b, c, d, x, s, t)
   1.158 +{
   1.159 +  return md5_cmn(c ^ (b | (~d)), a, b, x, s, t);
   1.160 +}
   1.161 +
   1.162 +/*
   1.163 + * Calculate the HMAC-MD5, of a key and some data
   1.164 + */
   1.165 +function core_hmac_md5(key, data)
   1.166 +{
   1.167 +  var bkey = str2binl(key);
   1.168 +  if(bkey.length > 16) bkey = core_md5(bkey, key.length * chrsz);
   1.169 +
   1.170 +  var ipad = Array(16), opad = Array(16);
   1.171 +  for(var i = 0; i < 16; i++)
   1.172 +  {
   1.173 +    ipad[i] = bkey[i] ^ 0x36363636;
   1.174 +    opad[i] = bkey[i] ^ 0x5C5C5C5C;
   1.175 +  }
   1.176 +
   1.177 +  var hash = core_md5(ipad.concat(str2binl(data)), 512 + data.length * chrsz);
   1.178 +  return core_md5(opad.concat(hash), 512 + 128);
   1.179 +}
   1.180 +
   1.181 +/*
   1.182 + * Add integers, wrapping at 2^32. This uses 16-bit operations internally
   1.183 + * to work around bugs in some JS interpreters.
   1.184 + */
   1.185 +function safe_add(x, y)
   1.186 +{
   1.187 +  var lsw = (x & 0xFFFF) + (y & 0xFFFF);
   1.188 +  var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
   1.189 +  return (msw << 16) | (lsw & 0xFFFF);
   1.190 +}
   1.191 +
   1.192 +/*
   1.193 + * Bitwise rotate a 32-bit number to the left.
   1.194 + */
   1.195 +function bit_rol(num, cnt)
   1.196 +{
   1.197 +  return (num << cnt) | (num >>> (32 - cnt));
   1.198 +}
   1.199 +
   1.200 +/*
   1.201 + * Convert a string to an array of little-endian words
   1.202 + * If chrsz is ASCII, characters >255 have their hi-byte silently ignored.
   1.203 + */
   1.204 +function str2binl(str)
   1.205 +{
   1.206 +  var bin = Array();
   1.207 +  var mask = (1 << chrsz) - 1;
   1.208 +  for(var i = 0; i < str.length * chrsz; i += chrsz)
   1.209 +    bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (i%32);
   1.210 +  return bin;
   1.211 +}
   1.212 +
   1.213 +/*
   1.214 + * Convert an array of little-endian words to a string
   1.215 + */
   1.216 +function binl2str(bin)
   1.217 +{
   1.218 +  var str = "";
   1.219 +  var mask = (1 << chrsz) - 1;
   1.220 +  for(var i = 0; i < bin.length * 32; i += chrsz)
   1.221 +    str += String.fromCharCode((bin[i>>5] >>> (i % 32)) & mask);
   1.222 +  return str;
   1.223 +}
   1.224 +
   1.225 +/*
   1.226 + * Convert an array of little-endian words to a hex string.
   1.227 + */
   1.228 +function binl2hex(binarray)
   1.229 +{
   1.230 +  var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
   1.231 +  var str = "";
   1.232 +  for(var i = 0; i < binarray.length * 4; i++)
   1.233 +  {
   1.234 +    str += hex_tab.charAt((binarray[i>>2] >> ((i%4)*8+4)) & 0xF) +
   1.235 +           hex_tab.charAt((binarray[i>>2] >> ((i%4)*8  )) & 0xF);
   1.236 +  }
   1.237 +  return str;
   1.238 +}
   1.239 +
   1.240 +/*
   1.241 + * Convert an array of little-endian words to a base-64 string
   1.242 + */
   1.243 +function binl2b64(binarray)
   1.244 +{
   1.245 +  var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
   1.246 +  var str = "";
   1.247 +  for(var i = 0; i < binarray.length * 4; i += 3)
   1.248 +  {
   1.249 +    var triplet = (((binarray[i   >> 2] >> 8 * ( i   %4)) & 0xFF) << 16)
   1.250 +                | (((binarray[i+1 >> 2] >> 8 * ((i+1)%4)) & 0xFF) << 8 )
   1.251 +                |  ((binarray[i+2 >> 2] >> 8 * ((i+2)%4)) & 0xFF);
   1.252 +    for(var j = 0; j < 4; j++)
   1.253 +    {
   1.254 +      if(i * 8 + j * 6 > binarray.length * 32) str += b64pad;
   1.255 +      else str += tab.charAt((triplet >> 6*(3-j)) & 0x3F);
   1.256 +    }
   1.257 +  }
   1.258 +  return str;
   1.259 +}