sha224.js 4.9 KB

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  1. /*
  2. CryptoJS v3.1.2
  3. code.google.com/p/crypto-js
  4. (c) 2009-2013 by Jeff Mott. All rights reserved.
  5. code.google.com/p/crypto-js/wiki/License
  6. */
  7. var CryptoJS=CryptoJS||function(g,l){var f={},k=f.lib={},h=function(){},m=k.Base={extend:function(a){h.prototype=this;var c=new h;a&&c.mixIn(a);c.hasOwnProperty("init")||(c.init=function(){c.$super.init.apply(this,arguments)});c.init.prototype=c;c.$super=this;return c},create:function(){var a=this.extend();a.init.apply(a,arguments);return a},init:function(){},mixIn:function(a){for(var c in a)a.hasOwnProperty(c)&&(this[c]=a[c]);a.hasOwnProperty("toString")&&(this.toString=a.toString)},clone:function(){return this.init.prototype.extend(this)}},
  8. q=k.WordArray=m.extend({init:function(a,c){a=this.words=a||[];this.sigBytes=c!=l?c:4*a.length},toString:function(a){return(a||s).stringify(this)},concat:function(a){var c=this.words,d=a.words,b=this.sigBytes;a=a.sigBytes;this.clamp();if(b%4)for(var e=0;e<a;e++)c[b+e>>>2]|=(d[e>>>2]>>>24-8*(e%4)&255)<<24-8*((b+e)%4);else if(65535<d.length)for(e=0;e<a;e+=4)c[b+e>>>2]=d[e>>>2];else c.push.apply(c,d);this.sigBytes+=a;return this},clamp:function(){var a=this.words,c=this.sigBytes;a[c>>>2]&=4294967295<<
  9. 32-8*(c%4);a.length=g.ceil(c/4)},clone:function(){var a=m.clone.call(this);a.words=this.words.slice(0);return a},random:function(a){for(var c=[],d=0;d<a;d+=4)c.push(4294967296*g.random()|0);return new q.init(c,a)}}),t=f.enc={},s=t.Hex={stringify:function(a){var c=a.words;a=a.sigBytes;for(var d=[],b=0;b<a;b++){var e=c[b>>>2]>>>24-8*(b%4)&255;d.push((e>>>4).toString(16));d.push((e&15).toString(16))}return d.join("")},parse:function(a){for(var c=a.length,d=[],b=0;b<c;b+=2)d[b>>>3]|=parseInt(a.substr(b,
  10. 2),16)<<24-4*(b%8);return new q.init(d,c/2)}},n=t.Latin1={stringify:function(a){var c=a.words;a=a.sigBytes;for(var d=[],b=0;b<a;b++)d.push(String.fromCharCode(c[b>>>2]>>>24-8*(b%4)&255));return d.join("")},parse:function(a){for(var c=a.length,d=[],b=0;b<c;b++)d[b>>>2]|=(a.charCodeAt(b)&255)<<24-8*(b%4);return new q.init(d,c)}},j=t.Utf8={stringify:function(a){try{return decodeURIComponent(escape(n.stringify(a)))}catch(c){throw Error("Malformed UTF-8 data");}},parse:function(a){return n.parse(unescape(encodeURIComponent(a)))}},
  11. w=k.BufferedBlockAlgorithm=m.extend({reset:function(){this._data=new q.init;this._nDataBytes=0},_append:function(a){"string"==typeof a&&(a=j.parse(a));this._data.concat(a);this._nDataBytes+=a.sigBytes},_process:function(a){var c=this._data,d=c.words,b=c.sigBytes,e=this.blockSize,f=b/(4*e),f=a?g.ceil(f):g.max((f|0)-this._minBufferSize,0);a=f*e;b=g.min(4*a,b);if(a){for(var u=0;u<a;u+=e)this._doProcessBlock(d,u);u=d.splice(0,a);c.sigBytes-=b}return new q.init(u,b)},clone:function(){var a=m.clone.call(this);
  12. a._data=this._data.clone();return a},_minBufferSize:0});k.Hasher=w.extend({cfg:m.extend(),init:function(a){this.cfg=this.cfg.extend(a);this.reset()},reset:function(){w.reset.call(this);this._doReset()},update:function(a){this._append(a);this._process();return this},finalize:function(a){a&&this._append(a);return this._doFinalize()},blockSize:16,_createHelper:function(a){return function(c,d){return(new a.init(d)).finalize(c)}},_createHmacHelper:function(a){return function(c,d){return(new v.HMAC.init(a,
  13. d)).finalize(c)}}});var v=f.algo={};return f}(Math);
  14. (function(g){for(var l=CryptoJS,f=l.lib,k=f.WordArray,h=f.Hasher,f=l.algo,m=[],q=[],t=function(a){return 4294967296*(a-(a|0))|0},s=2,n=0;64>n;){var j;a:{j=s;for(var w=g.sqrt(j),v=2;v<=w;v++)if(!(j%v)){j=!1;break a}j=!0}j&&(8>n&&(m[n]=t(g.pow(s,0.5))),q[n]=t(g.pow(s,1/3)),n++);s++}var a=[],f=f.SHA256=h.extend({_doReset:function(){this._hash=new k.init(m.slice(0))},_doProcessBlock:function(c,d){for(var b=this._hash.words,e=b[0],f=b[1],g=b[2],k=b[3],h=b[4],l=b[5],m=b[6],n=b[7],p=0;64>p;p++){if(16>p)a[p]=
  15. c[d+p]|0;else{var j=a[p-15],r=a[p-2];a[p]=((j<<25|j>>>7)^(j<<14|j>>>18)^j>>>3)+a[p-7]+((r<<15|r>>>17)^(r<<13|r>>>19)^r>>>10)+a[p-16]}j=n+((h<<26|h>>>6)^(h<<21|h>>>11)^(h<<7|h>>>25))+(h&l^~h&m)+q[p]+a[p];r=((e<<30|e>>>2)^(e<<19|e>>>13)^(e<<10|e>>>22))+(e&f^e&g^f&g);n=m;m=l;l=h;h=k+j|0;k=g;g=f;f=e;e=j+r|0}b[0]=b[0]+e|0;b[1]=b[1]+f|0;b[2]=b[2]+g|0;b[3]=b[3]+k|0;b[4]=b[4]+h|0;b[5]=b[5]+l|0;b[6]=b[6]+m|0;b[7]=b[7]+n|0},_doFinalize:function(){var a=this._data,d=a.words,b=8*this._nDataBytes,e=8*a.sigBytes;
  16. d[e>>>5]|=128<<24-e%32;d[(e+64>>>9<<4)+14]=g.floor(b/4294967296);d[(e+64>>>9<<4)+15]=b;a.sigBytes=4*d.length;this._process();return this._hash},clone:function(){var a=h.clone.call(this);a._hash=this._hash.clone();return a}});l.SHA256=h._createHelper(f);l.HmacSHA256=h._createHmacHelper(f)})(Math);
  17. (function(){var g=CryptoJS,l=g.lib.WordArray,f=g.algo,k=f.SHA256,f=f.SHA224=k.extend({_doReset:function(){this._hash=new l.init([3238371032,914150663,812702999,4144912697,4290775857,1750603025,1694076839,3204075428])},_doFinalize:function(){var f=k._doFinalize.call(this);f.sigBytes-=4;return f}});g.SHA224=k._createHelper(f);g.HmacSHA224=k._createHmacHelper(f)})();