48 lines
1.0 KiB
JavaScript
48 lines
1.0 KiB
JavaScript
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//>>built
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define("dojox/math/random/Secure",["dojo"],function(_1){
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_1.declare("dojox.math.random.Secure",null,{constructor:function(_2,_3){
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this.prng=_2;
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var p=this.pool=new Array(_2.size);
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this.pptr=0;
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for(var i=0,_4=_2.size;i<_4;){
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var t=Math.floor(65536*Math.random());
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p[i++]=t>>>8;
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p[i++]=t&255;
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}
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this.seedTime();
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if(!_3){
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this.h=[_1.connect(_1.body(),"onclick",this,"seedTime"),_1.connect(_1.body(),"onkeypress",this,"seedTime")];
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}
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},destroy:function(){
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if(this.h){
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_1.forEach(this.h,_1.disconnect);
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}
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},nextBytes:function(_5){
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var _6=this.state;
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if(!_6){
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this.seedTime();
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_6=this.state=this.prng();
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_6.init(this.pool);
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for(var p=this.pool,i=0,_7=p.length;i<_7;p[i++]=0){
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}
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this.pptr=0;
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}
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for(var i=0,_7=_5.length;i<_7;++i){
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_5[i]=_6.next();
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}
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},seedTime:function(){
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this._seed_int(new Date().getTime());
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},_seed_int:function(x){
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var p=this.pool,i=this.pptr;
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p[i++]^=x&255;
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p[i++]^=(x>>8)&255;
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p[i++]^=(x>>16)&255;
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p[i++]^=(x>>24)&255;
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if(i>=this.prng.size){
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i-=this.prng.size;
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}
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this.pptr=i;
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}});
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return dojox.math.random.Secure;
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});
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