JS调用md5加密

  1 var hexcase = 0;  
  2 var b64pad  = ""; 
  3 var chrsz   = 8;  
  4 function hex_md5(s){ return binl2hex(core_md5(str2binl(s), s.length * chrsz));}
  5 function b64_md5(s){ return binl2b64(core_md5(str2binl(s), s.length * chrsz));}
  6 function hex_hmac_md5(key, data) { return binl2hex(core_hmac_md5(key, data)); }
  7 function b64_hmac_md5(key, data) { return binl2b64(core_hmac_md5(key, data)); }
  8 function calcMD5(s){ return binl2hex(core_md5(str2binl(s), s.length * chrsz));}
  9 
 10 function md5_vm_test()
 11 {
 12   return hex_md5("abc") == "900150983cd24fb0d6963f7d28e17f72";
 13 }
 14 
 15 function core_md5(x, len)
 16 {
 17 
 18   x[len >> 5] |= 0x80 << ((len) % 32);
 19   x[(((len + 64) >>> 9) << 4) + 14] = len;
 20   var a =  1732584193;
 21   var b = -271733879;
 22   var c = -1732584194;
 23   var d =  271733878;
 24   for(var i = 0; i < x.length; i += 16)
 25   {
 26     var olda = a;
 27     var oldb = b;
 28     var oldc = c;
 29     var oldd = d;
 30 
 31     a = md5_ff(a, b, c, d, x[i+ 0], 7 , -680876936);
 32     d = md5_ff(d, a, b, c, x[i+ 1], 12, -389564586);
 33     c = md5_ff(c, d, a, b, x[i+ 2], 17,  606105819);
 34     b = md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330);
 35     a = md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897);
 36     d = md5_ff(d, a, b, c, x[i+ 5], 12,  1200080426);
 37     c = md5_ff(c, d, a, b, x[i+ 6], 17, -1473231341);
 38     b = md5_ff(b, c, d, a, x[i+ 7], 22, -45705983);
 39     a = md5_ff(a, b, c, d, x[i+ 8], 7 ,  1770035416);
 40     d = md5_ff(d, a, b, c, x[i+ 9], 12, -1958414417);
 41     c = md5_ff(c, d, a, b, x[i+10], 17, -42063);
 42     b = md5_ff(b, c, d, a, x[i+11], 22, -1990404162);
 43     a = md5_ff(a, b, c, d, x[i+12], 7 ,  1804603682);
 44     d = md5_ff(d, a, b, c, x[i+13], 12, -40341101);
 45     c = md5_ff(c, d, a, b, x[i+14], 17, -1502002290);
 46     b = md5_ff(b, c, d, a, x[i+15], 22,  1236535329);
 47     a = md5_gg(a, b, c, d, x[i+ 1], 5 , -165796510);
 48     d = md5_gg(d, a, b, c, x[i+ 6], 9 , -1069501632);
 49     c = md5_gg(c, d, a, b, x[i+11], 14,  643717713);
 50     b = md5_gg(b, c, d, a, x[i+ 0], 20, -373897302);
 51     a = md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691);
 52     d = md5_gg(d, a, b, c, x[i+10], 9 ,  38016083);
 53     c = md5_gg(c, d, a, b, x[i+15], 14, -660478335);
 54     b = md5_gg(b, c, d, a, x[i+ 4], 20, -405537848);
 55     a = md5_gg(a, b, c, d, x[i+ 9], 5 ,  568446438);
 56     d = md5_gg(d, a, b, c, x[i+14], 9 , -1019803690);
 57     c = md5_gg(c, d, a, b, x[i+ 3], 14, -187363961);
 58     b = md5_gg(b, c, d, a, x[i+ 8], 20,  1163531501);
 59     a = md5_gg(a, b, c, d, x[i+13], 5 , -1444681467);
 60     d = md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784);
 61     c = md5_gg(c, d, a, b, x[i+ 7], 14,  1735328473);
 62     b = md5_gg(b, c, d, a, x[i+12], 20, -1926607734);
 63     a = md5_hh(a, b, c, d, x[i+ 5], 4 , -378558);
 64     d = md5_hh(d, a, b, c, x[i+ 8], 11, -2022574463);
 65     c = md5_hh(c, d, a, b, x[i+11], 16,  1839030562);
 66     b = md5_hh(b, c, d, a, x[i+14], 23, -35309556);
 67     a = md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060);
 68     d = md5_hh(d, a, b, c, x[i+ 4], 11,  1272893353);
 69     c = md5_hh(c, d, a, b, x[i+ 7], 16, -155497632);
 70     b = md5_hh(b, c, d, a, x[i+10], 23, -1094730640);
 71     a = md5_hh(a, b, c, d, x[i+13], 4 ,  681279174);
 72     d = md5_hh(d, a, b, c, x[i+ 0], 11, -358537222);
 73     c = md5_hh(c, d, a, b, x[i+ 3], 16, -722521979);
 74     b = md5_hh(b, c, d, a, x[i+ 6], 23,  76029189);
 75     a = md5_hh(a, b, c, d, x[i+ 9], 4 , -640364487);
 76     d = md5_hh(d, a, b, c, x[i+12], 11, -421815835);
 77     c = md5_hh(c, d, a, b, x[i+15], 16,  530742520);
 78     b = md5_hh(b, c, d, a, x[i+ 2], 23, -995338651);
 79     a = md5_ii(a, b, c, d, x[i+ 0], 6 , -198630844);
 80     d = md5_ii(d, a, b, c, x[i+ 7], 10,  1126891415);
 81     c = md5_ii(c, d, a, b, x[i+14], 15, -1416354905);
 82     b = md5_ii(b, c, d, a, x[i+ 5], 21, -57434055);
 83     a = md5_ii(a, b, c, d, x[i+12], 6 ,  1700485571);
 84     d = md5_ii(d, a, b, c, x[i+ 3], 10, -1894986606);
 85     c = md5_ii(c, d, a, b, x[i+10], 15, -1051523);
 86     b = md5_ii(b, c, d, a, x[i+ 1], 21, -2054922799);
 87     a = md5_ii(a, b, c, d, x[i+ 8], 6 ,  1873313359);
 88     d = md5_ii(d, a, b, c, x[i+15], 10, -30611744);
 89     c = md5_ii(c, d, a, b, x[i+ 6], 15, -1560198380);
 90     b = md5_ii(b, c, d, a, x[i+13], 21,  1309151649);
 91     a = md5_ii(a, b, c, d, x[i+ 4], 6 , -145523070);
 92     d = md5_ii(d, a, b, c, x[i+11], 10, -1120210379);
 93     c = md5_ii(c, d, a, b, x[i+ 2], 15,  718787259);
 94     b = md5_ii(b, c, d, a, x[i+ 9], 21, -343485551);
 95 
 96     a = safe_add(a, olda);
 97     b = safe_add(b, oldb);
 98     c = safe_add(c, oldc);
 99     d = safe_add(d, oldd);
100   }
101   return Array(a, b, c, d);
102   
103 }
104 
105 function md5_cmn(q, a, b, x, s, t)
106 {
107   return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s),b);
108 }
109 function md5_ff(a, b, c, d, x, s, t)
110 {
111   return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);
112 }
113 function md5_gg(a, b, c, d, x, s, t)
114 {
115   return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t);
116 }
117 function md5_hh(a, b, c, d, x, s, t)
118 {
119   return md5_cmn(b ^ c ^ d, a, b, x, s, t);
120 }
121 function md5_ii(a, b, c, d, x, s, t)
122 {
123   return md5_cmn(c ^ (b | (~d)), a, b, x, s, t);
124 }
125 
126 function core_hmac_md5(key, data)
127 {
128   var bkey = str2binl(key);
129   if(bkey.length > 16) bkey = core_md5(bkey, key.length * chrsz);
130 
131   var ipad = Array(16), opad = Array(16);
132   for(var i = 0; i < 16; i++) 
133   {
134     ipad[i] = bkey[i] ^ 0x36363636;
135     opad[i] = bkey[i] ^ 0x5C5C5C5C;
136   }
137 
138   var hash = core_md5(ipad.concat(str2binl(data)), 512 + data.length * chrsz);
139   return core_md5(opad.concat(hash), 512 + 128);
140 }
141 
142 function safe_add(x, y)
143 {
144   var lsw = (x & 0xFFFF) + (y & 0xFFFF);
145   var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
146   return (msw << 16) | (lsw & 0xFFFF);
147 }
148 
149 function bit_rol(num, cnt)
150 {
151   return (num << cnt) | (num >>> (32 - cnt));
152 }
153 
154 function str2binl(str)
155 {
156   var bin = Array();
157   var mask = (1 << chrsz) - 1;
158   for(var i = 0; i < str.length * chrsz; i += chrsz)
159     bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (i%32);
160   return bin;
161 }
162 
163 function binl2hex(binarray)
164 {
165   var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
166   var str = "";
167   for(var i = 0; i < binarray.length * 4; i++)
168   {
169     str += hex_tab.charAt((binarray[i>>2] >> ((i%4)*8+4)) & 0xF) +
170            hex_tab.charAt((binarray[i>>2] >> ((i%4)*8  )) & 0xF);
171   }
172   return str;
173 }
174 
175 function binl2b64(binarray)
176 {
177   var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
178   var str = "";
179   for(var i = 0; i < binarray.length * 4; i += 3)
180   {
181     var triplet = (((binarray[i   >> 2] >> 8 * ( i   %4)) & 0xFF) << 16)
182                 | (((binarray[i+1 >> 2] >> 8 * ((i+1)%4)) & 0xFF) << 8 )
183                 |  ((binarray[i+2 >> 2] >> 8 * ((i+2)%4)) & 0xFF);
184     for(var j = 0; j < 4; j++)
185     {
186       if(i * 8 + j * 6 > binarray.length * 32) str += b64pad;
187       else str += tab.charAt((triplet >> 6*(3-j)) & 0x3F);
188     }
189   }
190   return str;
191 }

1 var data = {
2     originPassword:hex_md5($('.oldPwd').val()),
3     password:hex_md5($('.newPwd').val())
4 }