00001
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00014 var hexcase = 0;
00015 var b64pad = "";
00016 var chrsz = 8;
00017
00018
00019
00020
00021
00022 function hex_md5(s){ return binl2hex(core_md5(str2binl(s), s.length * chrsz));}
00023 function b64_md5(s){ return binl2b64(core_md5(str2binl(s), s.length * chrsz));}
00024 function str_md5(s){ return binl2str(core_md5(str2binl(s), s.length * chrsz));}
00025 function hex_hmac_md5(key, data) { return binl2hex(core_hmac_md5(key, data)); }
00026 function b64_hmac_md5(key, data) { return binl2b64(core_hmac_md5(key, data)); }
00027 function str_hmac_md5(key, data) { return binl2str(core_hmac_md5(key, data)); }
00028
00029
00030
00031
00032 function md5_vm_test()
00033 {
00034 return hex_md5("abc") == "900150983cd24fb0d6963f7d28e17f72";
00035 }
00036
00037
00038
00039
00040 function core_md5(x, len)
00041 {
00042
00043 x[len >> 5] |= 0x80 << ((len) % 32);
00044 x[(((len + 64) >>> 9) << 4) + 14] = len;
00045
00046 var a = 1732584193;
00047 var b = -271733879;
00048 var c = -1732584194;
00049 var d = 271733878;
00050
00051 for(var i = 0; i < x.length; i += 16)
00052 {
00053 var olda = a;
00054 var oldb = b;
00055 var oldc = c;
00056 var oldd = d;
00057
00058 a = md5_ff(a, b, c, d, x[i+ 0], 7 , -680876936);
00059 d = md5_ff(d, a, b, c, x[i+ 1], 12, -389564586);
00060 c = md5_ff(c, d, a, b, x[i+ 2], 17, 606105819);
00061 b = md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330);
00062 a = md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897);
00063 d = md5_ff(d, a, b, c, x[i+ 5], 12, 1200080426);
00064 c = md5_ff(c, d, a, b, x[i+ 6], 17, -1473231341);
00065 b = md5_ff(b, c, d, a, x[i+ 7], 22, -45705983);
00066 a = md5_ff(a, b, c, d, x[i+ 8], 7 , 1770035416);
00067 d = md5_ff(d, a, b, c, x[i+ 9], 12, -1958414417);
00068 c = md5_ff(c, d, a, b, x[i+10], 17, -42063);
00069 b = md5_ff(b, c, d, a, x[i+11], 22, -1990404162);
00070 a = md5_ff(a, b, c, d, x[i+12], 7 , 1804603682);
00071 d = md5_ff(d, a, b, c, x[i+13], 12, -40341101);
00072 c = md5_ff(c, d, a, b, x[i+14], 17, -1502002290);
00073 b = md5_ff(b, c, d, a, x[i+15], 22, 1236535329);
00074
00075 a = md5_gg(a, b, c, d, x[i+ 1], 5 , -165796510);
00076 d = md5_gg(d, a, b, c, x[i+ 6], 9 , -1069501632);
00077 c = md5_gg(c, d, a, b, x[i+11], 14, 643717713);
00078 b = md5_gg(b, c, d, a, x[i+ 0], 20, -373897302);
00079 a = md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691);
00080 d = md5_gg(d, a, b, c, x[i+10], 9 , 38016083);
00081 c = md5_gg(c, d, a, b, x[i+15], 14, -660478335);
00082 b = md5_gg(b, c, d, a, x[i+ 4], 20, -405537848);
00083 a = md5_gg(a, b, c, d, x[i+ 9], 5 , 568446438);
00084 d = md5_gg(d, a, b, c, x[i+14], 9 , -1019803690);
00085 c = md5_gg(c, d, a, b, x[i+ 3], 14, -187363961);
00086 b = md5_gg(b, c, d, a, x[i+ 8], 20, 1163531501);
00087 a = md5_gg(a, b, c, d, x[i+13], 5 , -1444681467);
00088 d = md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784);
00089 c = md5_gg(c, d, a, b, x[i+ 7], 14, 1735328473);
00090 b = md5_gg(b, c, d, a, x[i+12], 20, -1926607734);
00091
00092 a = md5_hh(a, b, c, d, x[i+ 5], 4 , -378558);
00093 d = md5_hh(d, a, b, c, x[i+ 8], 11, -2022574463);
00094 c = md5_hh(c, d, a, b, x[i+11], 16, 1839030562);
00095 b = md5_hh(b, c, d, a, x[i+14], 23, -35309556);
00096 a = md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060);
00097 d = md5_hh(d, a, b, c, x[i+ 4], 11, 1272893353);
00098 c = md5_hh(c, d, a, b, x[i+ 7], 16, -155497632);
00099 b = md5_hh(b, c, d, a, x[i+10], 23, -1094730640);
00100 a = md5_hh(a, b, c, d, x[i+13], 4 , 681279174);
00101 d = md5_hh(d, a, b, c, x[i+ 0], 11, -358537222);
00102 c = md5_hh(c, d, a, b, x[i+ 3], 16, -722521979);
00103 b = md5_hh(b, c, d, a, x[i+ 6], 23, 76029189);
00104 a = md5_hh(a, b, c, d, x[i+ 9], 4 , -640364487);
00105 d = md5_hh(d, a, b, c, x[i+12], 11, -421815835);
00106 c = md5_hh(c, d, a, b, x[i+15], 16, 530742520);
00107 b = md5_hh(b, c, d, a, x[i+ 2], 23, -995338651);
00108
00109 a = md5_ii(a, b, c, d, x[i+ 0], 6 , -198630844);
00110 d = md5_ii(d, a, b, c, x[i+ 7], 10, 1126891415);
00111 c = md5_ii(c, d, a, b, x[i+14], 15, -1416354905);
00112 b = md5_ii(b, c, d, a, x[i+ 5], 21, -57434055);
00113 a = md5_ii(a, b, c, d, x[i+12], 6 , 1700485571);
00114 d = md5_ii(d, a, b, c, x[i+ 3], 10, -1894986606);
00115 c = md5_ii(c, d, a, b, x[i+10], 15, -1051523);
00116 b = md5_ii(b, c, d, a, x[i+ 1], 21, -2054922799);
00117 a = md5_ii(a, b, c, d, x[i+ 8], 6 , 1873313359);
00118 d = md5_ii(d, a, b, c, x[i+15], 10, -30611744);
00119 c = md5_ii(c, d, a, b, x[i+ 6], 15, -1560198380);
00120 b = md5_ii(b, c, d, a, x[i+13], 21, 1309151649);
00121 a = md5_ii(a, b, c, d, x[i+ 4], 6 , -145523070);
00122 d = md5_ii(d, a, b, c, x[i+11], 10, -1120210379);
00123 c = md5_ii(c, d, a, b, x[i+ 2], 15, 718787259);
00124 b = md5_ii(b, c, d, a, x[i+ 9], 21, -343485551);
00125
00126 a = safe_add(a, olda);
00127 b = safe_add(b, oldb);
00128 c = safe_add(c, oldc);
00129 d = safe_add(d, oldd);
00130 }
00131 return Array(a, b, c, d);
00132
00133 }
00134
00135
00136
00137
00138 function md5_cmn(q, a, b, x, s, t)
00139 {
00140 return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s),b);
00141 }
00142 function md5_ff(a, b, c, d, x, s, t)
00143 {
00144 return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);
00145 }
00146 function md5_gg(a, b, c, d, x, s, t)
00147 {
00148 return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t);
00149 }
00150 function md5_hh(a, b, c, d, x, s, t)
00151 {
00152 return md5_cmn(b ^ c ^ d, a, b, x, s, t);
00153 }
00154 function md5_ii(a, b, c, d, x, s, t)
00155 {
00156 return md5_cmn(c ^ (b | (~d)), a, b, x, s, t);
00157 }
00158
00159
00160
00161
00162 function core_hmac_md5(key, data)
00163 {
00164 var bkey = str2binl(key);
00165 if(bkey.length > 16) bkey = core_md5(bkey, key.length * chrsz);
00166
00167 var ipad = Array(16), opad = Array(16);
00168 for(var i = 0; i < 16; i++)
00169 {
00170 ipad[i] = bkey[i] ^ 0x36363636;
00171 opad[i] = bkey[i] ^ 0x5C5C5C5C;
00172 }
00173
00174 var hash = core_md5(ipad.concat(str2binl(data)), 512 + data.length * chrsz);
00175 return core_md5(opad.concat(hash), 512 + 128);
00176 }
00177
00178
00179
00180
00181
00182 function safe_add(x, y)
00183 {
00184 var lsw = (x & 0xFFFF) + (y & 0xFFFF);
00185 var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
00186 return (msw << 16) | (lsw & 0xFFFF);
00187 }
00188
00189
00190
00191
00192 function bit_rol(num, cnt)
00193 {
00194 return (num << cnt) | (num >>> (32 - cnt));
00195 }
00196
00197
00198
00199
00200
00201 function str2binl(str)
00202 {
00203 var bin = Array();
00204 var mask = (1 << chrsz) - 1;
00205 for(var i = 0; i < str.length * chrsz; i += chrsz)
00206 bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (i%32);
00207 return bin;
00208 }
00209
00210
00211
00212
00213 function binl2str(bin)
00214 {
00215 var str = "";
00216 var mask = (1 << chrsz) - 1;
00217 for(var i = 0; i < bin.length * 32; i += chrsz)
00218 str += String.fromCharCode((bin[i>>5] >>> (i % 32)) & mask);
00219 return str;
00220 }
00221
00222
00223
00224
00225 function binl2hex(binarray)
00226 {
00227 var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
00228 var str = "";
00229 for(var i = 0; i < binarray.length * 4; i++)
00230 {
00231 str += hex_tab.charAt((binarray[i>>2] >> ((i%4)*8+4)) & 0xF) +
00232 hex_tab.charAt((binarray[i>>2] >> ((i%4)*8 )) & 0xF);
00233 }
00234 return str;
00235 }
00236
00237
00238
00239
00240 function binl2b64(binarray)
00241 {
00242 var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
00243 var str = "";
00244 for(var i = 0; i < binarray.length * 4; i += 3)
00245 {
00246 var triplet = (((binarray[i >> 2] >> 8 * ( i %4)) & 0xFF) << 16)
00247 | (((binarray[i+1 >> 2] >> 8 * ((i+1)%4)) & 0xFF) << 8 )
00248 | ((binarray[i+2 >> 2] >> 8 * ((i+2)%4)) & 0xFF);
00249 for(var j = 0; j < 4; j++)
00250 {
00251 if(i * 8 + j * 6 > binarray.length * 32) str += b64pad;
00252 else str += tab.charAt((triplet >> 6*(3-j)) & 0x3F);
00253 }
00254 }
00255 return str;
00256 }