]> git.pond.sub.org Git - eow/blobdiff - static/dojo-release-1.1.1/dojox/encoding/digests/MD5.js
add Dojo 1.1.1
[eow] / static / dojo-release-1.1.1 / dojox / encoding / digests / MD5.js
diff --git a/static/dojo-release-1.1.1/dojox/encoding/digests/MD5.js b/static/dojo-release-1.1.1/dojox/encoding/digests/MD5.js
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+if(!dojo._hasResource["dojox.encoding.digests.MD5"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dojox.encoding.digests.MD5"] = true;
+dojo.provide("dojox.encoding.digests.MD5");
+
+dojo.require("dojox.encoding.digests._base");
+
+/*     A port of Paul Johnstone's MD5 implementation
+ *     http://pajhome.org.uk/crypt/md5/index.html
+ *
+ *     Copyright (C) Paul Johnston 1999 - 2002.
+ *     Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
+ *     Distributed under the BSD License
+ *
+ *     Dojo port by Tom Trenka
+ */
+(function(){
+       var dxd=dojox.encoding.digests;
+       var chrsz=8;
+
+       //      MD5 rounds functions
+       function R(n,c){ return (n<<c)|(n>>>(32-c)); }
+       function C(q,a,b,x,s,t){ return dxd.addWords(R(dxd.addWords(dxd.addWords(a, q), dxd.addWords(x, t)), s), b); }
+       function FF(a,b,c,d,x,s,t){ return C((b&c)|((~b)&d),a,b,x,s,t); }
+       function GG(a,b,c,d,x,s,t){ return C((b&d)|(c&(~d)),a,b,x,s,t); }
+       function HH(a,b,c,d,x,s,t){ return C(b^c^d,a,b,x,s,t); }
+       function II(a,b,c,d,x,s,t){ return C(c^(b|(~d)),a,b,x,s,t); }
+
+       //      the core MD5 rounds method
+       function core(x,len){
+               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=FF(a,b,c,d,x[i+ 0],7 ,-680876936);
+                       d=FF(d,a,b,c,x[i+ 1],12,-389564586);
+                       c=FF(c,d,a,b,x[i+ 2],17, 606105819);
+                       b=FF(b,c,d,a,x[i+ 3],22,-1044525330);
+                       a=FF(a,b,c,d,x[i+ 4],7 ,-176418897);
+                       d=FF(d,a,b,c,x[i+ 5],12, 1200080426);
+                       c=FF(c,d,a,b,x[i+ 6],17,-1473231341);
+                       b=FF(b,c,d,a,x[i+ 7],22,-45705983);
+                       a=FF(a,b,c,d,x[i+ 8],7 , 1770035416);
+                       d=FF(d,a,b,c,x[i+ 9],12,-1958414417);
+                       c=FF(c,d,a,b,x[i+10],17,-42063);
+                       b=FF(b,c,d,a,x[i+11],22,-1990404162);
+                       a=FF(a,b,c,d,x[i+12],7 , 1804603682);
+                       d=FF(d,a,b,c,x[i+13],12,-40341101);
+                       c=FF(c,d,a,b,x[i+14],17,-1502002290);
+                       b=FF(b,c,d,a,x[i+15],22, 1236535329);
+
+                       a=GG(a,b,c,d,x[i+ 1],5 ,-165796510);
+                       d=GG(d,a,b,c,x[i+ 6],9 ,-1069501632);
+                       c=GG(c,d,a,b,x[i+11],14, 643717713);
+                       b=GG(b,c,d,a,x[i+ 0],20,-373897302);
+                       a=GG(a,b,c,d,x[i+ 5],5 ,-701558691);
+                       d=GG(d,a,b,c,x[i+10],9 , 38016083);
+                       c=GG(c,d,a,b,x[i+15],14,-660478335);
+                       b=GG(b,c,d,a,x[i+ 4],20,-405537848);
+                       a=GG(a,b,c,d,x[i+ 9],5 , 568446438);
+                       d=GG(d,a,b,c,x[i+14],9 ,-1019803690);
+                       c=GG(c,d,a,b,x[i+ 3],14,-187363961);
+                       b=GG(b,c,d,a,x[i+ 8],20, 1163531501);
+                       a=GG(a,b,c,d,x[i+13],5 ,-1444681467);
+                       d=GG(d,a,b,c,x[i+ 2],9 ,-51403784);
+                       c=GG(c,d,a,b,x[i+ 7],14, 1735328473);
+                       b=GG(b,c,d,a,x[i+12],20,-1926607734);
+
+                       a=HH(a,b,c,d,x[i+ 5],4 ,-378558);
+                       d=HH(d,a,b,c,x[i+ 8],11,-2022574463);
+                       c=HH(c,d,a,b,x[i+11],16, 1839030562);
+                       b=HH(b,c,d,a,x[i+14],23,-35309556);
+                       a=HH(a,b,c,d,x[i+ 1],4 ,-1530992060);
+                       d=HH(d,a,b,c,x[i+ 4],11, 1272893353);
+                       c=HH(c,d,a,b,x[i+ 7],16,-155497632);
+                       b=HH(b,c,d,a,x[i+10],23,-1094730640);
+                       a=HH(a,b,c,d,x[i+13],4 , 681279174);
+                       d=HH(d,a,b,c,x[i+ 0],11,-358537222);
+                       c=HH(c,d,a,b,x[i+ 3],16,-722521979);
+                       b=HH(b,c,d,a,x[i+ 6],23, 76029189);
+                       a=HH(a,b,c,d,x[i+ 9],4 ,-640364487);
+                       d=HH(d,a,b,c,x[i+12],11,-421815835);
+                       c=HH(c,d,a,b,x[i+15],16, 530742520);
+                       b=HH(b,c,d,a,x[i+ 2],23,-995338651);
+
+                       a=II(a,b,c,d,x[i+ 0],6 ,-198630844);
+                       d=II(d,a,b,c,x[i+ 7],10, 1126891415);
+                       c=II(c,d,a,b,x[i+14],15,-1416354905);
+                       b=II(b,c,d,a,x[i+ 5],21,-57434055);
+                       a=II(a,b,c,d,x[i+12],6 , 1700485571);
+                       d=II(d,a,b,c,x[i+ 3],10,-1894986606);
+                       c=II(c,d,a,b,x[i+10],15,-1051523);
+                       b=II(b,c,d,a,x[i+ 1],21,-2054922799);
+                       a=II(a,b,c,d,x[i+ 8],6 , 1873313359);
+                       d=II(d,a,b,c,x[i+15],10,-30611744);
+                       c=II(c,d,a,b,x[i+ 6],15,-1560198380);
+                       b=II(b,c,d,a,x[i+13],21, 1309151649);
+                       a=II(a,b,c,d,x[i+ 4],6 ,-145523070);
+                       d=II(d,a,b,c,x[i+11],10,-1120210379);
+                       c=II(c,d,a,b,x[i+ 2],15, 718787259);
+                       b=II(b,c,d,a,x[i+ 9],21,-343485551);
+
+                       a=dxd.addWords(a, olda);
+                       b=dxd.addWords(b, oldb);
+                       c=dxd.addWords(c, oldc);
+                       d=dxd.addWords(d, oldd);
+               }
+               return [a,b,c,d];
+       }
+
+       function hmac(data, key){
+               var wa=dxd.stringToWord(key);
+               if(wa.length>16){ 
+                       wa=core(wa, key.length*chrsz);
+               }
+               var l=[], r=[];
+               for(var i=0; i<16; i++){
+                       l[i]=wa[i]^0x36363636;
+                       r[i]=wa[i]^0x5c5c5c5c;
+               }
+               var h=core(l.concat(dxd.stringToWord(data)), 512+data.length*chrsz);
+               return core(r.concat(h), 640);
+       }
+
+       //      public function
+       dxd.MD5=function(/* string */data, /* dojox.encoding.digests.outputTypes? */outputType){
+               //      summary
+               //      computes the digest of data, and returns the result according to type outputType
+               var out=outputType || dxd.outputTypes.Base64;
+               var wa=core(dxd.stringToWord(data), data.length*chrsz);
+               switch(out){
+                       case dxd.outputTypes.Raw:{
+                               return wa;      //      word[]
+                       }
+                       case dxd.outputTypes.Hex:{
+                               return dxd.wordToHex(wa);       //      string
+                       }
+                       case dxd.outputTypes.String:{
+                               return dxd.wordToString(wa);    //      string
+                       }
+                       default:{
+                               return dxd.wordToBase64(wa);    //      string
+                       }
+               }
+       };
+
+       //      make this private, for later use with a generic HMAC calculator.
+       dxd.MD5._hmac=function(/* string */data, /* string */key, /* dojox.encoding.digests.outputTypes? */outputType){
+               //      summary
+               //      computes the digest of data, and returns the result according to type outputType
+               var out=outputType || dxd.outputTypes.Base64;
+               var wa=hmac(data, key);
+               switch(out){
+                       case dxd.outputTypes.Raw:{
+                               return wa;      //      word[]
+                       }
+                       case dxd.outputTypes.Hex:{
+                               return dxd.wordToHex(wa);       //      string
+                       }
+                       case dxd.outputTypes.String:{
+                               return dxd.wordToString(wa);    //      string
+                       }
+                       default:{
+                               return dxd.wordToBase64(wa);    //      string
+                       }
+               }
+       };
+})();
+
+}