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authormensonge <mensonge@b3834d28-1941-0410-a4f8-b48e95affb8f>2008-11-13 09:49:11 +0000
committermensonge <mensonge@b3834d28-1941-0410-a4f8-b48e95affb8f>2008-11-13 09:49:11 +0000
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parenta62b9742ee5e28bcec6872d88f50f25b820914f6 (diff)
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New feature: basic Ajax suggestion for tags and implementation of Dojo toolkit
git-svn-id: https://semanticscuttle.svn.sourceforge.net/svnroot/semanticscuttle/trunk@151 b3834d28-1941-0410-a4f8-b48e95affb8f
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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
+ }
+ }
+ };
+})();
+
+}