function parseBigInt(a,b){return new BigInteger(a,b)}function linebrk(a,b){for(var c="",d=0;d+b<a.length;)c+=a.substring(d,d+b)+"\n",d+=b;return c+a.substring(d,a.length)}function byte2Hex(a){return a<16?"0"+a.toString(16):a.toString(16)}function pkcs1pad2(a,b){if(b<a.length+11)return console.error("Message too long for RSA"),null;for(var c=new Array,d=a.length-1;d>=0&&b>0;){var e=a.charCodeAt(d--);e<128?c[--b]=e:e>127&&e<2048?(c[--b]=63&e|128,c[--b]=e>>6|192):(c[--b]=63&e|128,c[--b]=e>>6&63|128,c[--b]=e>>12|224)}c[--b]=0;for(var f=new SecureRandom,g=new Array;b>2;){for(g[0]=0;0==g[0];)f.nextBytes(g);c[--b]=g[0]}return c[--b]=2,c[--b]=0,new BigInteger(c)}function RSAKey(){this.n=null,this.e=0,this.d=null,this.p=null,this.q=null,this.dmp1=null,this.dmq1=null,this.coeff=null}function RSASetPublic(a,b){null!=a&&null!=b&&a.length>0&&b.length>0?(this.n=parseBigInt(a,16),this.e=parseInt(b,16)):console.error("Invalid RSA public key")}function RSADoPublic(a){return a.modPowInt(this.e,this.n)}function RSAEncrypt(a){var b=pkcs1pad2(a,this.n.bitLength()+7>>3);if(null==b)return null;var c=this.doPublic(b);if(null==c)return null;var d=c.toString(16);return 0==(1&d.length)?d:"0"+d}RSAKey.prototype.doPublic=RSADoPublic,RSAKey.prototype.setPublic=RSASetPublic,RSAKey.prototype.encrypt=RSAEncrypt;