96 lines
2.0 KiB
JavaScript
96 lines
2.0 KiB
JavaScript
//>>built
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define("dojox/encoding/crypto/RSAKey-ext",["dojo/_base/kernel","dojo/_base/lang","./RSAKey","../../math/BigInteger-ext"],function(_1,_2,_3,_4){
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_1.experimental("dojox.encoding.crypto.RSAKey-ext");
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function _5(d,n){
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var b=d.toByteArray();
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for(var i=0,_6=b.length;i<_6&&!b[i];++i){
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}
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if(b.length-i!==n-1||b[i]!==2){
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return null;
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}
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for(++i;b[i];){
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if(++i>=_6){
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return null;
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}
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}
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var _7="";
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while(++i<_6){
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_7+=String.fromCharCode(b[i]);
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}
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return _7;
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};
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_2.extend(_3,{setPrivate:function(N,E,D){
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if(N&&E&&N.length&&E.length){
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this.n=new _4(N,16);
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this.e=parseInt(E,16);
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this.d=new _4(D,16);
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}else{
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throw new Error("Invalid RSA private key");
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}
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},setPrivateEx:function(N,E,D,P,Q,DP,DQ,C){
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if(N&&E&&N.length&&E.length){
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this.n=new _4(N,16);
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this.e=parseInt(E,16);
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this.d=new _4(D,16);
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this.p=new _4(P,16);
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this.q=new _4(Q,16);
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this.dmp1=new _4(DP,16);
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this.dmq1=new _4(DQ,16);
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this.coeff=new _4(C,16);
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}else{
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throw new Error("Invalid RSA private key");
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}
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},generate:function(B,E){
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var _8=this.rngf(),qs=B>>1;
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this.e=parseInt(E,16);
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var ee=new _4(E,16);
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for(;;){
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for(;;){
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this.p=new _4(B-qs,1,_8);
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if(!this.p.subtract(_4.ONE).gcd(ee).compareTo(_4.ONE)&&this.p.isProbablePrime(10)){
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break;
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}
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}
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for(;;){
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this.q=new _4(qs,1,_8);
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if(!this.q.subtract(_4.ONE).gcd(ee).compareTo(_4.ONE)&&this.q.isProbablePrime(10)){
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break;
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}
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}
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if(this.p.compareTo(this.q)<=0){
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var t=this.p;
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this.p=this.q;
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this.q=t;
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}
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var p1=this.p.subtract(_4.ONE);
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var q1=this.q.subtract(_4.ONE);
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var _9=p1.multiply(q1);
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if(!_9.gcd(ee).compareTo(_4.ONE)){
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this.n=this.p.multiply(this.q);
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this.d=ee.modInverse(_9);
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this.dmp1=this.d.mod(p1);
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this.dmq1=this.d.mod(q1);
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this.coeff=this.q.modInverse(this.p);
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break;
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}
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}
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_8.destroy();
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},decrypt:function(_a){
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var c=new _4(_a,16),m;
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if(!this.p||!this.q){
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m=c.modPow(this.d,this.n);
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}else{
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var cp=c.mod(this.p).modPow(this.dmp1,this.p),cq=c.mod(this.q).modPow(this.dmq1,this.q);
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while(cp.compareTo(cq)<0){
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cp=cp.add(this.p);
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}
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m=cp.subtract(cq).multiply(this.coeff).mod(this.p).multiply(this.q).add(cq);
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}
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if(!m){
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return null;
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}
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return _5(m,(this.n.bitLength()+7)>>3);
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}});
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return _3;
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});
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