diff options
Diffstat (limited to 'includes/js/dojox/encoding/digests/MD5.js')
| -rw-r--r-- | includes/js/dojox/encoding/digests/MD5.js | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/includes/js/dojox/encoding/digests/MD5.js b/includes/js/dojox/encoding/digests/MD5.js new file mode 100644 index 0000000..eb72d59 --- /dev/null +++ b/includes/js/dojox/encoding/digests/MD5.js @@ -0,0 +1,177 @@ +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 + } + } + }; +})(); + +} |