55 lines
1.1 KiB
JavaScript
55 lines
1.1 KiB
JavaScript
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//>>built
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define("dojox/encoding/crypto/RSAKey",["dojo/_base/kernel","dojo/_base/declare","../../math/BigInteger","../../math/random/Simple"],function(_1,_2,_3,_4){
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_1.experimental("dojox.encoding.crypto.RSAKey");
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var _5=function(){
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return new _4();
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};
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function _6(s,n,_7){
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if(n<s.length+11){
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throw new Error("Message too long for RSA");
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}
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var ba=new Array(n);
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var i=s.length;
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while(i&&n){
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ba[--n]=s.charCodeAt(--i);
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}
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ba[--n]=0;
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var _8=_7();
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var x=[0];
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while(n>2){
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x[0]=0;
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while(x[0]==0){
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_8.nextBytes(x);
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}
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ba[--n]=x[0];
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}
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ba[--n]=2;
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ba[--n]=0;
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_8.destroy();
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return new _3(ba);
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};
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return _2("dojox.encoding.crypto.RSAKey",null,{constructor:function(_9){
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this.rngf=_9||_5;
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this.e=0;
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this.n=this.d=this.p=this.q=this.dmp1=this.dmq1=this.coeff=null;
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},setPublic:function(N,E){
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if(N&&E&&N.length&&E.length){
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this.n=new _3(N,16);
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this.e=parseInt(E,16);
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}else{
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throw new Error("Invalid RSA public key");
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}
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},encrypt:function(_a){
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var m=_6(_a,(this.n.bitLength()+7)>>3,this.rngf);
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if(!m){
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return null;
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}
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var c=m.modPowInt(this.e,this.n);
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if(!c){
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return null;
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}
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var h=c.toString(16);
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return h.length%2?"0"+h:h;
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}});
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});
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