server.js

/*-------------------VARIABLES-------------------------*/
var http = require('http'),
    util = require('util'),
    fs = require('fs'),
    url = require('url'),
    qs = require('querystring');
   mysql=require('mysql');
   /*--------------------------API----------------------------------*/
var appName="Microsoft Internet Explorer";

var dbits,canary=244837814094590,j_lm=(canary&16777215)==15715070;function BigInteger(a,b,c){a!=null&&("number"==typeof a?this.fromNumber(a,b,c):b==null&&"string"!=typeof a?this.fromString(a,256):this.fromString(a,b))}function nbi(){return new BigInteger(null)}function am1(a,b,c,d,e,g){for(;--g>=0;){var h=b*this[a++]+c[d]+e,e=Math.floor(h/67108864);c[d++]=h&67108863}return e}
function am2(a,b,c,d,e,g){var h=b&32767;for(b>>=15;--g>=0;){var f=this[a]&32767,o=this[a++]>>15,p=b*f+o*h,f=h*f+((p&32767)<<15)+c[d]+(e&1073741823),e=(f>>>30)+(p>>>15)+b*o+(e>>>30);c[d++]=f&1073741823}return e}function am3(a,b,c,d,e,g){var h=b&16383;for(b>>=14;--g>=0;){var f=this[a]&16383,o=this[a++]>>14,p=b*f+o*h,f=h*f+((p&16383)<<14)+c[d]+e,e=(f>>28)+(p>>14)+b*o;c[d++]=f&268435455}return e}
j_lm&&appName=="Microsoft Internet Explorer"?(BigInteger.prototype.am=am2,dbits=30):j_lm&&appName!="Netscape"?(BigInteger.prototype.am=am1,dbits=26):(BigInteger.prototype.am=am3,dbits=28);BigInteger.prototype.DB=dbits;BigInteger.prototype.DM=(1<<dbits)-1;BigInteger.prototype.DV=1<<dbits;var BI_FP=52;BigInteger.prototype.FV=Math.pow(2,BI_FP);BigInteger.prototype.F1=BI_FP-dbits;BigInteger.prototype.F2=2*dbits-BI_FP;var BI_RM="0123456789abcdefghijklmnopqrstuvwxyz",BI_RC=[],rr,vv;
rr="0".charCodeAt(0);for(vv=0;vv<=9;++vv)BI_RC[rr++]=vv;rr="a".charCodeAt(0);for(vv=10;vv<36;++vv)BI_RC[rr++]=vv;rr="A".charCodeAt(0);for(vv=10;vv<36;++vv)BI_RC[rr++]=vv;function int2char(a){return BI_RM.charAt(a)}function intAt(a,b){var c=BI_RC[a.charCodeAt(b)];return c==null?-1:c}function bnpCopyTo(a){for(var b=this.t-1;b>=0;--b)a[b]=this[b];a.t=this.t;a.s=this.s}function bnpFromInt(a){this.t=1;this.s=a<0?-1:0;a>0?this[0]=a:a<-1?this[0]=a+DV:this.t=0}
function nbv(a){var b=nbi();b.fromInt(a);return b}
function bnpFromString(a,b){var c;if(b==16)c=4;else if(b==8)c=3;else if(b==256)c=8;else if(b==2)c=1;else if(b==32)c=5;else if(b==4)c=2;else{this.fromRadix(a,b);return}this.s=this.t=0;for(var d=a.length,e=!1,g=0;--d>=0;){var h=c==8?a[d]&255:intAt(a,d);h<0?a.charAt(d)=="-"&&(e=!0):(e=!1,g==0?this[this.t++]=h:g+c>this.DB?(this[this.t-1]|=(h&(1<<this.DB-g)-1)<<g,this[this.t++]=h>>this.DB-g):this[this.t-1]|=h<<g,g+=c,g>=this.DB&&(g-=this.DB))}if(c==8&&(a[0]&128)!=0)this.s=-1,g>0&&(this[this.t-1]|=(1<<
this.DB-g)-1<<g);this.clamp();e&&BigInteger.ZERO.subTo(this,this)}function bnpClamp(){for(var a=this.s&this.DM;this.t>0&&this[this.t-1]==a;)--this.t}
function bnToString(a){if(this.s<0)return"-"+this.negate().toString(a);if(a==16)a=4;else if(a==8)a=3;else if(a==2)a=1;else if(a==32)a=5;else if(a==64)a=6;else if(a==4)a=2;else return this.toRadix(a);var b=(1<<a)-1,c,d=!1,e="",g=this.t,h=this.DB-g*this.DB%a;if(g-- >0){if(h<this.DB&&(c=this[g]>>h)>0)d=!0,e=int2char(c);for(;g>=0;)h<a?(c=(this[g]&(1<<h)-1)<<a-h,c|=this[--g]>>(h+=this.DB-a)):(c=this[g]>>(h-=a)&b,h<=0&&(h+=this.DB,--g)),c>0&&(d=!0),d&&(e+=int2char(c))}return d?e:"0"}
function bnNegate(){var a=nbi();BigInteger.ZERO.subTo(this,a);return a}function bnAbs(){return this.s<0?this.negate():this}function bnCompareTo(a){var b=this.s-a.s;if(b!=0)return b;var c=this.t,b=c-a.t;if(b!=0)return b;for(;--c>=0;)if((b=this[c]-a[c])!=0)return b;return 0}function nbits(a){var b=1,c;if((c=a>>>16)!=0)a=c,b+=16;if((c=a>>8)!=0)a=c,b+=8;if((c=a>>4)!=0)a=c,b+=4;if((c=a>>2)!=0)a=c,b+=2;a>>1!=0&&(b+=1);return b}
function bnBitLength(){return this.t<=0?0:this.DB*(this.t-1)+nbits(this[this.t-1]^this.s&this.DM)}function bnpDLShiftTo(a,b){var c;for(c=this.t-1;c>=0;--c)b[c+a]=this[c];for(c=a-1;c>=0;--c)b[c]=0;b.t=this.t+a;b.s=this.s}function bnpDRShiftTo(a,b){for(var c=a;c<this.t;++c)b[c-a]=this[c];b.t=Math.max(this.t-a,0);b.s=this.s}
function bnpLShiftTo(a,b){var c=a%this.DB,d=this.DB-c,e=(1<<d)-1,g=Math.floor(a/this.DB),h=this.s<<c&this.DM,f;for(f=this.t-1;f>=0;--f)b[f+g+1]=this[f]>>d|h,h=(this[f]&e)<<c;for(f=g-1;f>=0;--f)b[f]=0;b[g]=h;b.t=this.t+g+1;b.s=this.s;b.clamp()}
function bnpRShiftTo(a,b){b.s=this.s;var c=Math.floor(a/this.DB);if(c>=this.t)b.t=0;else{var d=a%this.DB,e=this.DB-d,g=(1<<d)-1;b[0]=this[c]>>d;for(var h=c+1;h<this.t;++h)b[h-c-1]|=(this[h]&g)<<e,b[h-c]=this[h]>>d;d>0&&(b[this.t-c-1]|=(this.s&g)<<e);b.t=this.t-c;b.clamp()}}
function bnpSubTo(a,b){for(var c=0,d=0,e=Math.min(a.t,this.t);c<e;)d+=this[c]-a[c],b[c++]=d&this.DM,d>>=this.DB;if(a.t<this.t){for(d-=a.s;c<this.t;)d+=this[c],b[c++]=d&this.DM,d>>=this.DB;d+=this.s}else{for(d+=this.s;c<a.t;)d-=a[c],b[c++]=d&this.DM,d>>=this.DB;d-=a.s}b.s=d<0?-1:0;d<-1?b[c++]=this.DV+d:d>0&&(b[c++]=d);b.t=c;b.clamp()}
function bnpMultiplyTo(a,b){var c=this.abs(),d=a.abs(),e=c.t;for(b.t=e+d.t;--e>=0;)b[e]=0;for(e=0;e<d.t;++e)b[e+c.t]=c.am(0,d[e],b,e,0,c.t);b.s=0;b.clamp();this.s!=a.s&&BigInteger.ZERO.subTo(b,b)}function bnpSquareTo(a){for(var b=this.abs(),c=a.t=2*b.t;--c>=0;)a[c]=0;for(c=0;c<b.t-1;++c){var d=b.am(c,b[c],a,2*c,0,1);if((a[c+b.t]+=b.am(c+1,2*b[c],a,2*c+1,d,b.t-c-1))>=b.DV)a[c+b.t]-=b.DV,a[c+b.t+1]=1}a.t>0&&(a[a.t-1]+=b.am(c,b[c],a,2*c,0,1));a.s=0;a.clamp()}
function bnpDivRemTo(a,b,c){var d=a.abs();if(!(d.t<=0)){var e=this.abs();if(e.t<d.t)b!=null&&b.fromInt(0),c!=null&&this.copyTo(c);else{c==null&&(c=nbi());var g=nbi(),h=this.s,a=a.s,f=this.DB-nbits(d[d.t-1]);f>0?(d.lShiftTo(f,g),e.lShiftTo(f,c)):(d.copyTo(g),e.copyTo(c));d=g.t;e=g[d-1];if(e!=0){var o=e*(1<<this.F1)+(d>1?g[d-2]>>this.F2:0),p=this.FV/o,o=(1<<this.F1)/o,q=1<<this.F2,n=c.t,k=n-d,j=b==null?nbi():b;g.dlShiftTo(k,j);c.compareTo(j)>=0&&(c[c.t++]=1,c.subTo(j,c));BigInteger.ONE.dlShiftTo(d,
j);for(j.subTo(g,g);g.t<d;)g[g.t++]=0;for(;--k>=0;){var l=c[--n]==e?this.DM:Math.floor(c[n]*p+(c[n-1]+q)*o);if((c[n]+=g.am(0,l,c,k,0,d))<l){g.dlShiftTo(k,j);for(c.subTo(j,c);c[n]<--l;)c.subTo(j,c)}}b!=null&&(c.drShiftTo(d,b),h!=a&&BigInteger.ZERO.subTo(b,b));c.t=d;c.clamp();f>0&&c.rShiftTo(f,c);h<0&&BigInteger.ZERO.subTo(c,c)}}}}function bnMod(a){var b=nbi();this.abs().divRemTo(a,null,b);this.s<0&&b.compareTo(BigInteger.ZERO)>0&&a.subTo(b,b);return b}function Classic(a){this.m=a}
function cConvert(a){return a.s<0||a.compareTo(this.m)>=0?a.mod(this.m):a}function cRevert(a){return a}function cReduce(a){a.divRemTo(this.m,null,a)}function cMulTo(a,b,c){a.multiplyTo(b,c);this.reduce(c)}function cSqrTo(a,b){a.squareTo(b);this.reduce(b)}Classic.prototype.convert=cConvert;Classic.prototype.revert=cRevert;Classic.prototype.reduce=cReduce;Classic.prototype.mulTo=cMulTo;Classic.prototype.sqrTo=cSqrTo;
function bnpInvDigit(){if(this.t<1)return 0;var a=this[0];if((a&1)==0)return 0;var b=a&3,b=b*(2-(a&15)*b)&15,b=b*(2-(a&255)*b)&255,b=b*(2-((a&65535)*b&65535))&65535,b=b*(2-a*b%this.DV)%this.DV;return b>0?this.DV-b:-b}function Montgomery(a){this.m=a;this.mp=a.invDigit();this.mpl=this.mp&32767;this.mph=this.mp>>15;this.um=(1<<a.DB-15)-1;this.mt2=2*a.t}
function montConvert(a){var b=nbi();a.abs().dlShiftTo(this.m.t,b);b.divRemTo(this.m,null,b);a.s<0&&b.compareTo(BigInteger.ZERO)>0&&this.m.subTo(b,b);return b}function montRevert(a){var b=nbi();a.copyTo(b);this.reduce(b);return b}
function montReduce(a){for(;a.t<=this.mt2;)a[a.t++]=0;for(var b=0;b<this.m.t;++b){var c=a[b]&32767,d=c*this.mpl+((c*this.mph+(a[b]>>15)*this.mpl&this.um)<<15)&a.DM,c=b+this.m.t;for(a[c]+=this.m.am(0,d,a,b,0,this.m.t);a[c]>=a.DV;)a[c]-=a.DV,a[++c]++}a.clamp();a.drShiftTo(this.m.t,a);a.compareTo(this.m)>=0&&a.subTo(this.m,a)}function montSqrTo(a,b){a.squareTo(b);this.reduce(b)}function montMulTo(a,b,c){a.multiplyTo(b,c);this.reduce(c)}Montgomery.prototype.convert=montConvert;
Montgomery.prototype.revert=montRevert;Montgomery.prototype.reduce=montReduce;Montgomery.prototype.mulTo=montMulTo;Montgomery.prototype.sqrTo=montSqrTo;function bnpIsEven(){return(this.t>0?this[0]&1:this.s)==0}function bnpExp(a,b){if(a>4294967295||a<1)return BigInteger.ONE;var c=nbi(),d=nbi(),e=b.convert(this),g=nbits(a)-1;for(e.copyTo(c);--g>=0;)if(b.sqrTo(c,d),(a&1<<g)>0)b.mulTo(d,e,c);else var h=c,c=d,d=h;return b.revert(c)}
function bnModPowInt(a,b){var c;c=a<256||b.isEven()?new Classic(b):new Montgomery(b);return this.exp(a,c)}BigInteger.prototype.copyTo=bnpCopyTo;BigInteger.prototype.fromInt=bnpFromInt;BigInteger.prototype.fromString=bnpFromString;BigInteger.prototype.clamp=bnpClamp;BigInteger.prototype.dlShiftTo=bnpDLShiftTo;BigInteger.prototype.drShiftTo=bnpDRShiftTo;BigInteger.prototype.lShiftTo=bnpLShiftTo;BigInteger.prototype.rShiftTo=bnpRShiftTo;BigInteger.prototype.subTo=bnpSubTo;
BigInteger.prototype.multiplyTo=bnpMultiplyTo;BigInteger.prototype.squareTo=bnpSquareTo;BigInteger.prototype.divRemTo=bnpDivRemTo;BigInteger.prototype.invDigit=bnpInvDigit;BigInteger.prototype.isEven=bnpIsEven;BigInteger.prototype.exp=bnpExp;BigInteger.prototype.toString=bnToString;BigInteger.prototype.negate=bnNegate;BigInteger.prototype.abs=bnAbs;BigInteger.prototype.compareTo=bnCompareTo;BigInteger.prototype.bitLength=bnBitLength;BigInteger.prototype.mod=bnMod;BigInteger.prototype.modPowInt=bnModPowInt;
BigInteger.ZERO=nbv(0);BigInteger.ONE=nbv(1);function bnClone(){var a=nbi();this.copyTo(a);return a}function bnIntValue(){if(this.s<0)if(this.t==1)return this[0]-this.DV;else{if(this.t==0)return-1}else if(this.t==1)return this[0];else if(this.t==0)return 0;return(this[1]&(1<<32-this.DB)-1)<<this.DB|this[0]}function bnByteValue(){return this.t==0?this.s:this[0]<<24>>24}function bnShortValue(){return this.t==0?this.s:this[0]<<16>>16}
function bnpChunkSize(a){return Math.floor(Math.LN2*this.DB/Math.log(a))}function bnSigNum(){return this.s<0?-1:this.t<=0||this.t==1&&this[0]<=0?0:1}function bnpToRadix(a){a==null&&(a=10);if(this.signum()==0||a<2||a>36)return"0";var b=this.chunkSize(a),b=Math.pow(a,b),c=nbv(b),d=nbi(),e=nbi(),g="";for(this.divRemTo(c,d,e);d.signum()>0;)g=(b+e.intValue()).toString(a).substr(1)+g,d.divRemTo(c,d,e);return e.intValue().toString(a)+g}
function bnpFromRadix(a,b){this.fromInt(0);b==null&&(b=10);for(var c=this.chunkSize(b),d=Math.pow(b,c),e=!1,g=0,h=0,f=0;f<a.length;++f){var o=intAt(a,f);o<0?a.charAt(f)=="-"&&this.signum()==0&&(e=!0):(h=b*h+o,++g>=c&&(this.dMultiply(d),this.dAddOffset(h,0),h=g=0))}g>0&&(this.dMultiply(Math.pow(b,g)),this.dAddOffset(h,0));e&&BigInteger.ZERO.subTo(this,this)}
function bnpFromNumber(a,b,c){if("number"==typeof b)if(a<2)this.fromInt(1);else{this.fromNumber(a,c);this.testBit(a-1)||this.bitwiseTo(BigInteger.ONE.shiftLeft(a-1),op_or,this);for(this.isEven()&&this.dAddOffset(1,0);!this.isProbablePrime(b);)this.dAddOffset(2,0),this.bitLength()>a&&this.subTo(BigInteger.ONE.shiftLeft(a-1),this)}else{var c=[],d=a&7;c.length=(a>>3)+1;b.nextBytes(c);d>0?c[0]&=(1<<d)-1:c[0]=0;this.fromString(c,256)}}
function bnToByteArray(){var a=this.t,b=[];b[0]=this.s;var c=this.DB-a*this.DB%8,d,e=0;if(a-- >0){if(c<this.DB&&(d=this[a]>>c)!=(this.s&this.DM)>>c)b[e++]=d|this.s<<this.DB-c;for(;a>=0;)if(c<8?(d=(this[a]&(1<<c)-1)<<8-c,d|=this[--a]>>(c+=this.DB-8)):(d=this[a]>>(c-=8)&255,c<=0&&(c+=this.DB,--a)),(d&128)!=0&&(d|=-256),e==0&&(this.s&128)!=(d&128)&&++e,e>0||d!=this.s)b[e++]=d}return b}function bnEquals(a){return this.compareTo(a)==0}function bnMin(a){return this.compareTo(a)<0?this:a}
function bnMax(a){return this.compareTo(a)>0?this:a}function bnpBitwiseTo(a,b,c){var d,e,g=Math.min(a.t,this.t);for(d=0;d<g;++d)c[d]=b(this[d],a[d]);if(a.t<this.t){e=a.s&this.DM;for(d=g;d<this.t;++d)c[d]=b(this[d],e);c.t=this.t}else{e=this.s&this.DM;for(d=g;d<a.t;++d)c[d]=b(e,a[d]);c.t=a.t}c.s=b(this.s,a.s);c.clamp()}function op_and(a,b){return a&b}function bnAnd(a){var b=nbi();this.bitwiseTo(a,op_and,b);return b}function op_or(a,b){return a|b}
function bnOr(a){var b=nbi();this.bitwiseTo(a,op_or,b);return b}function op_xor(a,b){return a^b}function bnXor(a){var b=nbi();this.bitwiseTo(a,op_xor,b);return b}function op_andnot(a,b){return a&~b}function bnAndNot(a){var b=nbi();this.bitwiseTo(a,op_andnot,b);return b}function bnNot(){for(var a=nbi(),b=0;b<this.t;++b)a[b]=this.DM&~this[b];a.t=this.t;a.s=~this.s;return a}function bnShiftLeft(a){var b=nbi();a<0?this.rShiftTo(-a,b):this.lShiftTo(a,b);return b}
function bnShiftRight(a){var b=nbi();a<0?this.lShiftTo(-a,b):this.rShiftTo(a,b);return b}function lbit(a){if(a==0)return-1;var b=0;(a&65535)==0&&(a>>=16,b+=16);(a&255)==0&&(a>>=8,b+=8);(a&15)==0&&(a>>=4,b+=4);(a&3)==0&&(a>>=2,b+=2);(a&1)==0&&++b;return b}function bnGetLowestSetBit(){for(var a=0;a<this.t;++a)if(this[a]!=0)return a*this.DB+lbit(this[a]);return this.s<0?this.t*this.DB:-1}function cbit(a){for(var b=0;a!=0;)a&=a-1,++b;return b}
function bnBitCount(){for(var a=0,b=this.s&this.DM,c=0;c<this.t;++c)a+=cbit(this[c]^b);return a}function bnTestBit(a){var b=Math.floor(a/this.DB);return b>=this.t?this.s!=0:(this[b]&1<<a%this.DB)!=0}function bnpChangeBit(a,b){var c=BigInteger.ONE.shiftLeft(a);this.bitwiseTo(c,b,c);return c}function bnSetBit(a){return this.changeBit(a,op_or)}function bnClearBit(a){return this.changeBit(a,op_andnot)}function bnFlipBit(a){return this.changeBit(a,op_xor)}
function bnpAddTo(a,b){for(var c=0,d=0,e=Math.min(a.t,this.t);c<e;)d+=this[c]+a[c],b[c++]=d&this.DM,d>>=this.DB;if(a.t<this.t){for(d+=a.s;c<this.t;)d+=this[c],b[c++]=d&this.DM,d>>=this.DB;d+=this.s}else{for(d+=this.s;c<a.t;)d+=a[c],b[c++]=d&this.DM,d>>=this.DB;d+=a.s}b.s=d<0?-1:0;d>0?b[c++]=d:d<-1&&(b[c++]=this.DV+d);b.t=c;b.clamp()}function bnAdd(a){var b=nbi();this.addTo(a,b);return b}function bnSubtract(a){var b=nbi();this.subTo(a,b);return b}
function bnMultiply(a){var b=nbi();this.multiplyTo(a,b);return b}function bnSquare(){var a=nbi();this.squareTo(a);return a}function bnDivide(a){var b=nbi();this.divRemTo(a,b,null);return b}function bnRemainder(a){var b=nbi();this.divRemTo(a,null,b);return b}function bnDivideAndRemainder(a){var b=nbi(),c=nbi();this.divRemTo(a,b,c);return[b,c]}function bnpDMultiply(a){this[this.t]=this.am(0,a-1,this,0,0,this.t);++this.t;this.clamp()}
function bnpDAddOffset(a,b){if(a!=0){for(;this.t<=b;)this[this.t++]=0;for(this[b]+=a;this[b]>=this.DV;)this[b]-=this.DV,++b>=this.t&&(this[this.t++]=0),++this[b]}}function NullExp(){}function nNop(a){return a}function nMulTo(a,b,c){a.multiplyTo(b,c)}function nSqrTo(a,b){a.squareTo(b)}NullExp.prototype.convert=nNop;NullExp.prototype.revert=nNop;NullExp.prototype.mulTo=nMulTo;NullExp.prototype.sqrTo=nSqrTo;function bnPow(a){return this.exp(a,new NullExp)}
function bnpMultiplyLowerTo(a,b,c){var d=Math.min(this.t+a.t,b);c.s=0;for(c.t=d;d>0;)c[--d]=0;var e;for(e=c.t-this.t;d<e;++d)c[d+this.t]=this.am(0,a[d],c,d,0,this.t);for(e=Math.min(a.t,b);d<e;++d)this.am(0,a[d],c,d,0,b-d);c.clamp()}function bnpMultiplyUpperTo(a,b,c){--b;var d=c.t=this.t+a.t-b;for(c.s=0;--d>=0;)c[d]=0;for(d=Math.max(b-this.t,0);d<a.t;++d)c[this.t+d-b]=this.am(b-d,a[d],c,0,0,this.t+d-b);c.clamp();c.drShiftTo(1,c)}
function Barrett(a){this.r2=nbi();this.q3=nbi();BigInteger.ONE.dlShiftTo(2*a.t,this.r2);this.mu=this.r2.divide(a);this.m=a}function barrettConvert(a){if(a.s<0||a.t>2*this.m.t)return a.mod(this.m);else if(a.compareTo(this.m)<0)return a;else{var b=nbi();a.copyTo(b);this.reduce(b);return b}}function barrettRevert(a){return a}
function barrettReduce(a){a.drShiftTo(this.m.t-1,this.r2);if(a.t>this.m.t+1)a.t=this.m.t+1,a.clamp();this.mu.multiplyUpperTo(this.r2,this.m.t+1,this.q3);for(this.m.multiplyLowerTo(this.q3,this.m.t+1,this.r2);a.compareTo(this.r2)<0;)a.dAddOffset(1,this.m.t+1);for(a.subTo(this.r2,a);a.compareTo(this.m)>=0;)a.subTo(this.m,a)}function barrettSqrTo(a,b){a.squareTo(b);this.reduce(b)}function barrettMulTo(a,b,c){a.multiplyTo(b,c);this.reduce(c)}Barrett.prototype.convert=barrettConvert;
Barrett.prototype.revert=barrettRevert;Barrett.prototype.reduce=barrettReduce;Barrett.prototype.mulTo=barrettMulTo;Barrett.prototype.sqrTo=barrettSqrTo;
function bnModPow(a,b){var c=a.bitLength(),d,e=nbv(1),g;if(c<=0)return e;else d=c<18?1:c<48?3:c<144?4:c<768?5:6;g=c<8?new Classic(b):b.isEven()?new Barrett(b):new Montgomery(b);var h=[],f=3,o=d-1,p=(1<<d)-1;h[1]=g.convert(this);if(d>1){c=nbi();for(g.sqrTo(h[1],c);f<=p;)h[f]=nbi(),g.mulTo(c,h[f-2],h[f]),f+=2}for(var q=a.t-1,n,k=!0,j=nbi(),c=nbits(a[q])-1;q>=0;){c>=o?n=a[q]>>c-o&p:(n=(a[q]&(1<<c+1)-1)<<o-c,q>0&&(n|=a[q-1]>>this.DB+c-o));for(f=d;(n&1)==0;)n>>=1,--f;if((c-=f)<0)c+=this.DB,--q;if(k)h[n].copyTo(e),
k=!1;else{for(;f>1;)g.sqrTo(e,j),g.sqrTo(j,e),f-=2;f>0?g.sqrTo(e,j):(f=e,e=j,j=f);g.mulTo(j,h[n],e)}for(;q>=0&&(a[q]&1<<c)==0;)g.sqrTo(e,j),f=e,e=j,j=f,--c<0&&(c=this.DB-1,--q)}return g.revert(e)}
function bnGCD(a){var b=this.s<0?this.negate():this.clone(),a=a.s<0?a.negate():a.clone();if(b.compareTo(a)<0)var c=b,b=a,a=c;var c=b.getLowestSetBit(),d=a.getLowestSetBit();if(d<0)return b;c<d&&(d=c);d>0&&(b.rShiftTo(d,b),a.rShiftTo(d,a));for(;b.signum()>0;)(c=b.getLowestSetBit())>0&&b.rShiftTo(c,b),(c=a.getLowestSetBit())>0&&a.rShiftTo(c,a),b.compareTo(a)>=0?(b.subTo(a,b),b.rShiftTo(1,b)):(a.subTo(b,a),a.rShiftTo(1,a));d>0&&a.lShiftTo(d,a);return a}
function bnpModInt(a){if(a<=0)return 0;var b=this.DV%a,c=this.s<0?a-1:0;if(this.t>0)if(b==0)c=this[0]%a;else for(var d=this.t-1;d>=0;--d)c=(b*c+this[d])%a;return c}
function bnModInverse(a){var b=a.isEven();if(this.isEven()&&b||a.signum()==0)return BigInteger.ZERO;for(var c=a.clone(),d=this.clone(),e=nbv(1),g=nbv(0),h=nbv(0),f=nbv(1);c.signum()!=0;){for(;c.isEven();){c.rShiftTo(1,c);if(b){if(!e.isEven()||!g.isEven())e.addTo(this,e),g.subTo(a,g);e.rShiftTo(1,e)}else g.isEven()||g.subTo(a,g);g.rShiftTo(1,g)}for(;d.isEven();){d.rShiftTo(1,d);if(b){if(!h.isEven()||!f.isEven())h.addTo(this,h),f.subTo(a,f);h.rShiftTo(1,h)}else f.isEven()||f.subTo(a,f);f.rShiftTo(1,
f)}c.compareTo(d)>=0?(c.subTo(d,c),b&&e.subTo(h,e),g.subTo(f,g)):(d.subTo(c,d),b&&h.subTo(e,h),f.subTo(g,f))}if(d.compareTo(BigInteger.ONE)!=0)return BigInteger.ZERO;if(f.compareTo(a)>=0)return f.subtract(a);if(f.signum()<0)f.addTo(a,f);else return f;return f.signum()<0?f.add(a):f}
var lowprimes=[2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,97,101,103,107,109,113,127,131,137,139,149,151,157,163,167,173,179,181,191,193,197,199,211,223,227,229,233,239,241,251,257,263,269,271,277,281,283,293,307,311,313,317,331,337,347,349,353,359,367,373,379,383,389,397,401,409,419,421,431,433,439,443,449,457,461,463,467,479,487,491,499,503,509,521,523,541,547,557,563,569,571,577,587,593,599,601,607,613,617,619,631,641,643,647,653,659,661,673,677,683,691,701,709,719,727,
733,739,743,751,757,761,769,773,787,797,809,811,821,823,827,829,839,853,857,859,863,877,881,883,887,907,911,919,929,937,941,947,953,967,971,977,983,991,997],lplim=67108864/lowprimes[lowprimes.length-1];
function bnIsProbablePrime(a){var b,c=this.abs();if(c.t==1&&c[0]<=lowprimes[lowprimes.length-1]){for(b=0;b<lowprimes.length;++b)if(c[0]==lowprimes[b])return!0;return!1}if(c.isEven())return!1;for(b=1;b<lowprimes.length;){for(var d=lowprimes[b],e=b+1;e<lowprimes.length&&d<lplim;)d*=lowprimes[e++];for(d=c.modInt(d);b<e;)if(d%lowprimes[b++]==0)return!1}return c.millerRabin(a)}
function bnpMillerRabin(a){var b=this.subtract(BigInteger.ONE),c=b.getLowestSetBit();if(c<=0)return!1;var d=b.shiftRight(c),a=a+1>>1;if(a>lowprimes.length)a=lowprimes.length;for(var e=nbi(),g=0;g<a;++g){e.fromInt(lowprimes[Math.floor(Math.random()*lowprimes.length)]);var h=e.modPow(d,this);if(h.compareTo(BigInteger.ONE)!=0&&h.compareTo(b)!=0){for(var f=1;f++<c&&h.compareTo(b)!=0;)if(h=h.modPowInt(2,this),h.compareTo(BigInteger.ONE)==0)return!1;if(h.compareTo(b)!=0)return!1}}return!0}
BigInteger.prototype.chunkSize=bnpChunkSize;BigInteger.prototype.toRadix=bnpToRadix;BigInteger.prototype.fromRadix=bnpFromRadix;BigInteger.prototype.fromNumber=bnpFromNumber;BigInteger.prototype.bitwiseTo=bnpBitwiseTo;BigInteger.prototype.changeBit=bnpChangeBit;BigInteger.prototype.addTo=bnpAddTo;BigInteger.prototype.dMultiply=bnpDMultiply;BigInteger.prototype.dAddOffset=bnpDAddOffset;BigInteger.prototype.multiplyLowerTo=bnpMultiplyLowerTo;BigInteger.prototype.multiplyUpperTo=bnpMultiplyUpperTo;
BigInteger.prototype.modInt=bnpModInt;BigInteger.prototype.millerRabin=bnpMillerRabin;BigInteger.prototype.clone=bnClone;BigInteger.prototype.intValue=bnIntValue;BigInteger.prototype.byteValue=bnByteValue;BigInteger.prototype.shortValue=bnShortValue;BigInteger.prototype.signum=bnSigNum;BigInteger.prototype.toByteArray=bnToByteArray;BigInteger.prototype.equals=bnEquals;BigInteger.prototype.min=bnMin;BigInteger.prototype.max=bnMax;BigInteger.prototype.and=bnAnd;BigInteger.prototype.or=bnOr;
BigInteger.prototype.xor=bnXor;BigInteger.prototype.andNot=bnAndNot;BigInteger.prototype.not=bnNot;BigInteger.prototype.shiftLeft=bnShiftLeft;BigInteger.prototype.shiftRight=bnShiftRight;BigInteger.prototype.getLowestSetBit=bnGetLowestSetBit;BigInteger.prototype.bitCount=bnBitCount;BigInteger.prototype.testBit=bnTestBit;BigInteger.prototype.setBit=bnSetBit;BigInteger.prototype.clearBit=bnClearBit;BigInteger.prototype.flipBit=bnFlipBit;BigInteger.prototype.add=bnAdd;BigInteger.prototype.subtract=bnSubtract;
BigInteger.prototype.multiply=bnMultiply;BigInteger.prototype.divide=bnDivide;BigInteger.prototype.remainder=bnRemainder;BigInteger.prototype.divideAndRemainder=bnDivideAndRemainder;BigInteger.prototype.modPow=bnModPow;BigInteger.prototype.modInverse=bnModInverse;BigInteger.prototype.pow=bnPow;BigInteger.prototype.gcd=bnGCD;BigInteger.prototype.isProbablePrime=bnIsProbablePrime;BigInteger.prototype.square=bnSquare;
(function(a,b,c,d,e,g,h){function f(a){var b,d,e=this,g=a.length,f=0,h=e.i=e.j=e.m=0;e.S=[];e.c=[];for(g||(a=[g++]);f<c;)e.S[f]=f++;for(f=0;f<c;f++)b=e.S[f],h=h+b+a[f%g]&c-1,d=e.S[h],e.S[f]=d,e.S[h]=b;e.g=function(a){var b=e.S,d=e.i+1&c-1,g=b[d],f=e.j+g&c-1,h=b[f];b[d]=h;b[f]=g;for(var k=b[g+h&c-1];--a;)d=d+1&c-1,g=b[d],f=f+g&c-1,h=b[f],b[d]=h,b[f]=g,k=k*c+b[g+h&c-1];e.i=d;e.j=f;return k};e.g(c)}function o(a,b,c,d,e){c=[];e=typeof a;if(b&&e=="object")for(d in a)if(d.indexOf("S")<5)try{c.push(o(a[d],
b-1))}catch(g){}return c.length?c:a+(e!="string"?"\x00":"")}function p(a,b,d,e){a+="";for(e=d=0;e<a.length;e++){var g=b,f=e&c-1,h=(d^=b[e&c-1]*19)+a.charCodeAt(e);g[f]=h&c-1}a="";for(e in b)a+=String.fromCharCode(b[e]);return a}b.seedrandom=function(q,n){var k=[],j,q=p(o(n?[q,a]:arguments.length?q:[(new Date).getTime(),a,window],3),k);j=new f(k);p(j.S,a);b.random=function(){for(var a=j.g(d),b=h,f=0;a<e;)a=(a+f)*c,b*=c,f=j.g(1);for(;a>=g;)a/=2,b/=2,f>>>=1;return(a+f)/b};return q};h=b.pow(c,d);e=b.pow(2,
e);g=e*2;p(b.random(),a)})([],Math,256,6,52);function SeededRandom(){}function SRnextBytes(a){var b;for(b=0;b<a.length;b++)a[b]=Math.floor(Math.random()*256)}SeededRandom.prototype.nextBytes=SRnextBytes;function Arcfour(){this.j=this.i=0;this.S=[]}function ARC4init(a){var b,c,d;for(b=0;b<256;++b)this.S[b]=b;for(b=c=0;b<256;++b)c=c+this.S[b]+a[b%a.length]&255,d=this.S[b],this.S[b]=this.S[c],this.S[c]=d;this.j=this.i=0}
function ARC4next(){var a;this.i=this.i+1&255;this.j=this.j+this.S[this.i]&255;a=this.S[this.i];this.S[this.i]=this.S[this.j];this.S[this.j]=a;return this.S[a+this.S[this.i]&255]}Arcfour.prototype.init=ARC4init;Arcfour.prototype.next=ARC4next;function prng_newstate(){return new Arcfour}var rng_psize=256,rng_state,rng_pool,rng_pptr;
function rng_seed_int(a){rng_pool[rng_pptr++]^=a&255;rng_pool[rng_pptr++]^=a>>8&255;rng_pool[rng_pptr++]^=a>>16&255;rng_pool[rng_pptr++]^=a>>24&255;rng_pptr>=rng_psize&&(rng_pptr-=rng_psize)}function rng_seed_time(){rng_seed_int((new Date).getTime())}
if(rng_pool==null){rng_pool=[];rng_pptr=0;var t;if(appName=="Netscape"&&navigator.appVersion<"5"&&window.crypto){var z=window.crypto.random(32);for(t=0;t<z.length;++t)rng_pool[rng_pptr++]=z.charCodeAt(t)&255}for(;rng_pptr<rng_psize;)t=Math.floor(65536*Math.random()),rng_pool[rng_pptr++]=t>>>8,rng_pool[rng_pptr++]=t&255;rng_pptr=0;rng_seed_time()}
function rng_get_byte(){if(rng_state==null){rng_seed_time();rng_state=prng_newstate();rng_state.init(rng_pool);for(rng_pptr=0;rng_pptr<rng_pool.length;++rng_pptr)rng_pool[rng_pptr]=0;rng_pptr=0}return rng_state.next()}function rng_get_bytes(a){var b;for(b=0;b<a.length;++b)a[b]=rng_get_byte()}function SecureRandom(){}SecureRandom.prototype.nextBytes=rng_get_bytes;
function SHA256(a){function b(a,b){var c=(a&65535)+(b&65535);return(a>>16)+(b>>16)+(c>>16)<<16|c&65535}function c(a,b){return a>>>b|a<<32-b}a=function(a){for(var a=a.replace(/\r\n/g,"\n"),b="",c=0;c<a.length;c++){var h=a.charCodeAt(c);h<128?b+=String.fromCharCode(h):(h>127&&h<2048?b+=String.fromCharCode(h>>6|192):(b+=String.fromCharCode(h>>12|224),b+=String.fromCharCode(h>>6&63|128)),b+=String.fromCharCode(h&63|128))}return b}(a);return function(a){for(var b="",c=0;c<a.length*4;c++)b+="0123456789abcdef".charAt(a[c>>
2]>>(3-c%4)*8+4&15)+"0123456789abcdef".charAt(a[c>>2]>>(3-c%4)*8&15);return b}(function(a,e){var g=[1116352408,1899447441,3049323471,3921009573,961987163,1508970993,2453635748,2870763221,3624381080,310598401,607225278,1426881987,1925078388,2162078206,2614888103,3248222580,3835390401,4022224774,264347078,604807628,770255983,1249150122,1555081692,1996064986,2554220882,2821834349,2952996808,3210313671,3336571891,3584528711,113926993,338241895,666307205,773529912,1294757372,1396182291,1695183700,1986661051,
2177026350,2456956037,2730485921,2820302411,3259730800,3345764771,3516065817,3600352804,4094571909,275423344,430227734,506948616,659060556,883997877,958139571,1322822218,1537002063,1747873779,1955562222,2024104815,2227730452,2361852424,2428436474,2756734187,3204031479,3329325298],h=[1779033703,3144134277,1013904242,2773480762,1359893119,2600822924,528734635,1541459225],f=Array(64),o,p,q,n,k,j,l,m,s,r,u,w;a[e>>5]|=128<<24-e%32;a[(e+64>>9<<4)+15]=e;for(s=0;s<a.length;s+=16){o=h[0];p=h[1];q=h[2];n=h[3];
k=h[4];j=h[5];l=h[6];m=h[7];for(r=0;r<64;r++)f[r]=r<16?a[r+s]:b(b(b(c(f[r-2],17)^c(f[r-2],19)^f[r-2]>>>10,f[r-7]),c(f[r-15],7)^c(f[r-15],18)^f[r-15]>>>3),f[r-16]),u=b(b(b(b(m,c(k,6)^c(k,11)^c(k,25)),k&j^~k&l),g[r]),f[r]),w=b(c(o,2)^c(o,13)^c(o,22),o&p^o&q^p&q),m=l,l=j,j=k,k=b(n,u),n=q,q=p,p=o,o=b(u,w);h[0]=b(o,h[0]);h[1]=b(p,h[1]);h[2]=b(q,h[2]);h[3]=b(n,h[3]);h[4]=b(k,h[4]);h[5]=b(j,h[5]);h[6]=b(l,h[6]);h[7]=b(m,h[7])}return h}(function(a){for(var b=[],c=0;c<a.length*8;c+=8)b[c>>5]|=(a.charCodeAt(c/
8)&255)<<24-c%32;return b}(a),a.length*8))}var sha256={hex:function(a){return SHA256(a)}};
function SHA1(a){function b(a,b){return a<<b|a>>>32-b}function c(a){var b="",c,d;for(c=7;c>=0;c--)d=a>>>c*4&15,b+=d.toString(16);return b}var d,e,g=Array(80),h=1732584193,f=4023233417,o=2562383102,p=271733878,q=3285377520,n,k,j,l,m,a=function(a){for(var a=a.replace(/\r\n/g,"\n"),b="",c=0;c<a.length;c++){var d=a.charCodeAt(c);d<128?b+=String.fromCharCode(d):(d>127&&d<2048?b+=String.fromCharCode(d>>6|192):(b+=String.fromCharCode(d>>12|224),b+=String.fromCharCode(d>>6&63|128)),b+=String.fromCharCode(d&
63|128))}return b}(a);n=a.length;var s=[];for(d=0;d<n-3;d+=4)e=a.charCodeAt(d)<<24|a.charCodeAt(d+1)<<16|a.charCodeAt(d+2)<<8|a.charCodeAt(d+3),s.push(e);switch(n%4){case 0:d=2147483648;break;case 1:d=a.charCodeAt(n-1)<<24|8388608;break;case 2:d=a.charCodeAt(n-2)<<24|a.charCodeAt(n-1)<<16|32768;break;case 3:d=a.charCodeAt(n-3)<<24|a.charCodeAt(n-2)<<16|a.charCodeAt(n-1)<<8|128}for(s.push(d);s.length%16!=14;)s.push(0);s.push(n>>>29);s.push(n<<3&4294967295);for(a=0;a<s.length;a+=16){for(d=0;d<16;d++)g[d]=
s[a+d];for(d=16;d<=79;d++)g[d]=b(g[d-3]^g[d-8]^g[d-14]^g[d-16],1);e=h;n=f;k=o;j=p;l=q;for(d=0;d<=19;d++)m=b(e,5)+(n&k|~n&j)+l+g[d]+1518500249&4294967295,l=j,j=k,k=b(n,30),n=e,e=m;for(d=20;d<=39;d++)m=b(e,5)+(n^k^j)+l+g[d]+1859775393&4294967295,l=j,j=k,k=b(n,30),n=e,e=m;for(d=40;d<=59;d++)m=b(e,5)+(n&k|n&j|k&j)+l+g[d]+2400959708&4294967295,l=j,j=k,k=b(n,30),n=e,e=m;for(d=60;d<=79;d++)m=b(e,5)+(n^k^j)+l+g[d]+3395469782&4294967295,l=j,j=k,k=b(n,30),n=e,e=m;h=h+e&4294967295;f=f+n&4294967295;o=o+k&4294967295;
p=p+j&4294967295;q=q+l&4294967295}m=c(h)+c(f)+c(o)+c(p)+c(q);return m.toLowerCase()}
var sha1={hex:function(a){return SHA1(a)}},MD5=function(a){function b(a,b){var c,d,e,f,g;e=a&2147483648;f=b&2147483648;c=a&1073741824;d=b&1073741824;g=(a&1073741823)+(b&1073741823);return c&d?g^2147483648^e^f:c|d?g&1073741824?g^3221225472^e^f:g^1073741824^e^f:g^e^f}function c(a,c,d,e,f,g,h){a=b(a,b(b(c&d|~c&e,f),h));return b(a<<g|a>>>32-g,c)}function d(a,c,d,e,f,g,h){a=b(a,b(b(c&e|d&~e,f),h));return b(a<<g|a>>>32-g,c)}function e(a,c,d,e,f,g,h){a=b(a,b(b(c^d^e,f),h));return b(a<<g|a>>>32-g,c)}function g(a,
c,d,e,f,g,h){a=b(a,b(b(d^(c|~e),f),h));return b(a<<g|a>>>32-g,c)}function h(a){var b="",c="",d;for(d=0;d<=3;d++)c=a>>>d*8&255,c="0"+c.toString(16),b+=c.substr(c.length-2,2);return b}var f=[],o,p,q,n,k,j,l,m,a=function(a){for(var a=a.replace(/\r\n/g,"\n"),b="",c=0;c<a.length;c++){var d=a.charCodeAt(c);d<128?b+=String.fromCharCode(d):(d>127&&d<2048?b+=String.fromCharCode(d>>6|192):(b+=String.fromCharCode(d>>12|224),b+=String.fromCharCode(d>>6&63|128)),b+=String.fromCharCode(d&63|128))}return b}(a),
f=function(a){var b,c=a.length;b=c+8;for(var d=((b-b%64)/64+1)*16,e=Array(d-1),f=0,g=0;g<c;)b=(g-g%4)/4,f=g%4*8,e[b]|=a.charCodeAt(g)<<f,g++;e[(g-g%4)/4]|=128<<g%4*8;e[d-2]=c<<3;e[d-1]=c>>>29;return e}(a);k=1732584193;j=4023233417;l=2562383102;m=271733878;for(a=0;a<f.length;a+=16)o=k,p=j,q=l,n=m,k=c(k,j,l,m,f[a+0],7,3614090360),m=c(m,k,j,l,f[a+1],12,3905402710),l=c(l,m,k,j,f[a+2],17,606105819),j=c(j,l,m,k,f[a+3],22,3250441966),k=c(k,j,l,m,f[a+4],7,4118548399),m=c(m,k,j,l,f[a+5],12,1200080426),l=c(l,
m,k,j,f[a+6],17,2821735955),j=c(j,l,m,k,f[a+7],22,4249261313),k=c(k,j,l,m,f[a+8],7,1770035416),m=c(m,k,j,l,f[a+9],12,2336552879),l=c(l,m,k,j,f[a+10],17,4294925233),j=c(j,l,m,k,f[a+11],22,2304563134),k=c(k,j,l,m,f[a+12],7,1804603682),m=c(m,k,j,l,f[a+13],12,4254626195),l=c(l,m,k,j,f[a+14],17,2792965006),j=c(j,l,m,k,f[a+15],22,1236535329),k=d(k,j,l,m,f[a+1],5,4129170786),m=d(m,k,j,l,f[a+6],9,3225465664),l=d(l,m,k,j,f[a+11],14,643717713),j=d(j,l,m,k,f[a+0],20,3921069994),k=d(k,j,l,m,f[a+5],5,3593408605),
m=d(m,k,j,l,f[a+10],9,38016083),l=d(l,m,k,j,f[a+15],14,3634488961),j=d(j,l,m,k,f[a+4],20,3889429448),k=d(k,j,l,m,f[a+9],5,568446438),m=d(m,k,j,l,f[a+14],9,3275163606),l=d(l,m,k,j,f[a+3],14,4107603335),j=d(j,l,m,k,f[a+8],20,1163531501),k=d(k,j,l,m,f[a+13],5,2850285829),m=d(m,k,j,l,f[a+2],9,4243563512),l=d(l,m,k,j,f[a+7],14,1735328473),j=d(j,l,m,k,f[a+12],20,2368359562),k=e(k,j,l,m,f[a+5],4,4294588738),m=e(m,k,j,l,f[a+8],11,2272392833),l=e(l,m,k,j,f[a+11],16,1839030562),j=e(j,l,m,k,f[a+14],23,4259657740),
k=e(k,j,l,m,f[a+1],4,2763975236),m=e(m,k,j,l,f[a+4],11,1272893353),l=e(l,m,k,j,f[a+7],16,4139469664),j=e(j,l,m,k,f[a+10],23,3200236656),k=e(k,j,l,m,f[a+13],4,681279174),m=e(m,k,j,l,f[a+0],11,3936430074),l=e(l,m,k,j,f[a+3],16,3572445317),j=e(j,l,m,k,f[a+6],23,76029189),k=e(k,j,l,m,f[a+9],4,3654602809),m=e(m,k,j,l,f[a+12],11,3873151461),l=e(l,m,k,j,f[a+15],16,530742520),j=e(j,l,m,k,f[a+2],23,3299628645),k=g(k,j,l,m,f[a+0],6,4096336452),m=g(m,k,j,l,f[a+7],10,1126891415),l=g(l,m,k,j,f[a+14],15,2878612391),
j=g(j,l,m,k,f[a+5],21,4237533241),k=g(k,j,l,m,f[a+12],6,1700485571),m=g(m,k,j,l,f[a+3],10,2399980690),l=g(l,m,k,j,f[a+10],15,4293915773),j=g(j,l,m,k,f[a+1],21,2240044497),k=g(k,j,l,m,f[a+8],6,1873313359),m=g(m,k,j,l,f[a+15],10,4264355552),l=g(l,m,k,j,f[a+6],15,2734768916),j=g(j,l,m,k,f[a+13],21,1309151649),k=g(k,j,l,m,f[a+4],6,4149444226),m=g(m,k,j,l,f[a+11],10,3174756917),l=g(l,m,k,j,f[a+2],15,718787259),j=g(j,l,m,k,f[a+9],21,3951481745),k=b(k,o),j=b(j,p),l=b(l,q),m=b(m,n);return(h(k)+h(j)+h(l)+
h(m)).toLowerCase()};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)throw"Message too long for RSA (n="+b+", l="+a.length+")";for(var c=[],d=a.length-1;d>=0&&b>0;){var e=a.charCodeAt(d--);e<128?c[--b]=e:e>127&&e<2048?(c[--b]=e&63|128,c[--b]=e>>6|192):(c[--b]=e&63|128,c[--b]=e>>6&63|128,c[--b]=e>>12|224)}c[--b]=0;d=new SecureRandom;for(e=[];b>2;){for(e[0]=0;e[0]==0;)d.nextBytes(e);c[--b]=e[0]}c[--b]=2;c[--b]=0;return new BigInteger(c)}
function RSAKey(){this.n=null;this.e=0;this.coeff=this.dmq1=this.dmp1=this.q=this.p=this.d=null}function RSASetPublic(a,b){a!=null&&b!=null&&a.length>0&&b.length>0?(this.n=parseBigInt(a,16),this.e=parseInt(b,16)):alert("Invalid RSA public key")}function RSADoPublic(a){return a.modPowInt(this.e,this.n)}function RSAEncrypt(a){a=pkcs1pad2(a,this.n.bitLength()+7>>3);if(a==null)return null;a=this.doPublic(a);if(a==null)return null;a=a.toString(16);return(a.length&1)==0?a:"0"+a}
RSAKey.prototype.doPublic=RSADoPublic;RSAKey.prototype.setPublic=RSASetPublic;RSAKey.prototype.encrypt=RSAEncrypt;function pkcs1unpad2(a,b){for(var c=a.toByteArray(),d=0;d<c.length&&c[d]==0;)++d;if(c.length-d!=b-1||c[d]!=2)return null;for(++d;c[d]!=0;)if(++d>=c.length)return null;for(var e="";++d<c.length;){var g=c[d]&255;g<128?e+=String.fromCharCode(g):g>191&&g<224?(e+=String.fromCharCode((g&31)<<6|c[d+1]&63),++d):(e+=String.fromCharCode((g&15)<<12|(c[d+1]&63)<<6|c[d+2]&63),d+=2)}return e}
function RSASetPrivate(a,b,c){a!=null&&b!=null&&a.length>0&&b.length>0?(this.n=parseBigInt(a,16),this.e=parseInt(b,16),this.d=parseBigInt(c,16)):alert("Invalid RSA private key")}
function RSASetPrivateEx(a,b,c,d,e,g,h,f){a!=null&&b!=null&&a.length>0&&b.length>0?(this.n=parseBigInt(a,16),this.e=parseInt(b,16),this.d=parseBigInt(c,16),this.p=parseBigInt(d,16),this.q=parseBigInt(e,16),this.dmp1=parseBigInt(g,16),this.dmq1=parseBigInt(h,16),this.coeff=parseBigInt(f,16)):alert("Invalid RSA private key")}
function RSAGenerate(a,b){var c=new SeededRandom,d=a>>1;this.e=parseInt(b,16);for(var e=new BigInteger(b,16);;){for(;;)if(this.p=new BigInteger(a-d,1,c),this.p.subtract(BigInteger.ONE).gcd(e).compareTo(BigInteger.ONE)==0&&this.p.isProbablePrime(10))break;for(;;)if(this.q=new BigInteger(d,1,c),this.q.subtract(BigInteger.ONE).gcd(e).compareTo(BigInteger.ONE)==0&&this.q.isProbablePrime(10))break;if(this.p.compareTo(this.q)<=0){var g=this.p;this.p=this.q;this.q=g}var g=this.p.subtract(BigInteger.ONE),
h=this.q.subtract(BigInteger.ONE),f=g.multiply(h);if(f.gcd(e).compareTo(BigInteger.ONE)==0){this.n=this.p.multiply(this.q);this.d=e.modInverse(f);this.dmp1=this.d.mod(g);this.dmq1=this.d.mod(h);this.coeff=this.q.modInverse(this.p);break}}}
function RSADoPrivate(a){if(this.p==null||this.q==null)return a.modPow(this.d,this.n);for(var b=a.mod(this.p).modPow(this.dmp1,this.p),a=a.mod(this.q).modPow(this.dmq1,this.q);b.compareTo(a)<0;)b=b.add(this.p);return b.subtract(a).multiply(this.coeff).mod(this.p).multiply(this.q).add(a)}function RSADecrypt(a){a=this.doPrivate(parseBigInt(a,16));return a==null?null:pkcs1unpad2(a,this.n.bitLength()+7>>3)}RSAKey.prototype.doPrivate=RSADoPrivate;RSAKey.prototype.setPrivate=RSASetPrivate;
RSAKey.prototype.setPrivateEx=RSASetPrivateEx;RSAKey.prototype.generate=RSAGenerate;RSAKey.prototype.decrypt=RSADecrypt;var _RSASIGN_DIHEAD=[];_RSASIGN_DIHEAD.sha1="3021300906052b0e03021a05000414";_RSASIGN_DIHEAD.sha256="3031300d060960864801650304020105000420";var _RSASIGN_HASHHEXFUNC=[];_RSASIGN_HASHHEXFUNC.sha1=sha1.hex;_RSASIGN_HASHHEXFUNC.sha256=sha256.hex;
function _rsasign_getHexPaddedDigestInfoForString(a,b,c){b/=4;for(var a=(0,_RSASIGN_HASHHEXFUNC[c])(a),c="00"+_RSASIGN_DIHEAD[c]+a,a="",b=b-4-c.length,d=0;d<b;d+=2)a+="ff";return sPaddedMessageHex="0001"+a+c}function _rsasign_signString(a,b){var c=_rsasign_getHexPaddedDigestInfoForString(a,this.n.bitLength(),b);return this.doPrivate(parseBigInt(c,16)).toString(16)}
function _rsasign_signStringWithSHA1(a){a=_rsasign_getHexPaddedDigestInfoForString(a,this.n.bitLength(),"sha1");return this.doPrivate(parseBigInt(a,16)).toString(16)}function _rsasign_signStringWithSHA256(a){a=_rsasign_getHexPaddedDigestInfoForString(a,this.n.bitLength(),"sha256");return this.doPrivate(parseBigInt(a,16)).toString(16)}function _rsasign_getDecryptSignatureBI(a,b,c){var d=new RSAKey;d.setPublic(b,c);return d.doPublic(a)}
function _rsasign_getHexDigestInfoFromSig(a,b,c){return _rsasign_getDecryptSignatureBI(a,b,c).toString(16).replace(/^1f+00/,"")}function _rsasign_getAlgNameAndHashFromHexDisgestInfo(a){for(var b in _RSASIGN_DIHEAD){var c=_RSASIGN_DIHEAD[b],d=c.length;if(a.substring(0,d)==c)return[b,a.substring(d)]}return[]}
function _rsasign_verifySignatureWithArgs(a,b,c,d){b=_rsasign_getHexDigestInfoFromSig(b,c,d);c=_rsasign_getAlgNameAndHashFromHexDisgestInfo(b);if(c.length==0)return!1;b=c[1];a=(0,_RSASIGN_HASHHEXFUNC[c[0]])(a);return b==a}function _rsasign_verifyHexSignatureForMessage(a,b){var c=parseBigInt(a,16);return _rsasign_verifySignatureWithArgs(b,c,this.n.toString(16),this.e.toString(16))}
function _rsasign_verifyString(a,b){var b=b.replace(/[ \n]+/g,""),c=this.doPublic(parseBigInt(b,16)).toString(16).replace(/^1f+00/,""),d=_rsasign_getAlgNameAndHashFromHexDisgestInfo(c);if(d.length==0)return!1;c=d[1];d=(0,_RSASIGN_HASHHEXFUNC[d[0]])(a);return c==d}RSAKey.prototype.signString=_rsasign_signString;RSAKey.prototype.signStringWithSHA1=_rsasign_signStringWithSHA1;RSAKey.prototype.signStringWithSHA256=_rsasign_signStringWithSHA256;RSAKey.prototype.verifyString=_rsasign_verifyString;
RSAKey.prototype.verifyHexSignatureForMessage=_rsasign_verifyHexSignatureForMessage;
var aes=function(){var a={Sbox:[99,124,119,123,242,107,111,197,48,1,103,43,254,215,171,118,202,130,201,125,250,89,71,240,173,212,162,175,156,164,114,192,183,253,147,38,54,63,247,204,52,165,229,241,113,216,49,21,4,199,35,195,24,150,5,154,7,18,128,226,235,39,178,117,9,131,44,26,27,110,90,160,82,59,214,179,41,227,47,132,83,209,0,237,32,252,177,91,106,203,190,57,74,76,88,207,208,239,170,251,67,77,51,133,69,249,2,127,80,60,159,168,81,163,64,143,146,157,56,245,188,182,218,33,16,255,243,210,205,12,19,236,
95,151,68,23,196,167,126,61,100,93,25,115,96,129,79,220,34,42,144,136,70,238,184,20,222,94,11,219,224,50,58,10,73,6,36,92,194,211,172,98,145,149,228,121,231,200,55,109,141,213,78,169,108,86,244,234,101,122,174,8,186,120,37,46,28,166,180,198,232,221,116,31,75,189,139,138,112,62,181,102,72,3,246,14,97,53,87,185,134,193,29,158,225,248,152,17,105,217,142,148,155,30,135,233,206,85,40,223,140,161,137,13,191,230,66,104,65,153,45,15,176,84,187,22],ShiftRowTab:[0,5,10,15,4,9,14,3,8,13,2,7,12,1,6,11]};a.Init=
function(){a.Sbox_Inv=Array(256);for(var b=0;b<256;b++)a.Sbox_Inv[a.Sbox[b]]=b;a.ShiftRowTab_Inv=Array(16);for(b=0;b<16;b++)a.ShiftRowTab_Inv[a.ShiftRowTab[b]]=b;a.xtime=Array(256);for(b=0;b<128;b++)a.xtime[b]=b<<1,a.xtime[128+b]=b<<1^27};a.Done=function(){delete a.Sbox_Inv;delete a.ShiftRowTab_Inv;delete a.xtime};a.ExpandKey=function(b){var c=b.length,d,e=1;switch(c){case 16:d=176;break;case 24:d=208;break;case 32:d=240;break;default:alert("my.ExpandKey: Only key lengths of 16, 24 or 32 bytes allowed!")}for(var g=
c;g<d;g+=4){var h=b.slice(g-4,g);if(g%c==0){if(h=[a.Sbox[h[1]]^e,a.Sbox[h[2]],a.Sbox[h[3]],a.Sbox[h[0]]],(e<<=1)>=256)e^=283}else c>24&&g%c==16&&(h=[a.Sbox[h[0]],a.Sbox[h[1]],a.Sbox[h[2]],a.Sbox[h[3]]]);for(var f=0;f<4;f++)b[g+f]=b[g+f-c]^h[f]}};a.Encrypt=function(b,c){var d=c.length;a.AddRoundKey(b,c.slice(0,16));for(var e=16;e<d-16;e+=16)a.SubBytes(b,a.Sbox),a.ShiftRows(b,a.ShiftRowTab),a.MixColumns(b),a.AddRoundKey(b,c.slice(e,e+16));a.SubBytes(b,a.Sbox);a.ShiftRows(b,a.ShiftRowTab);a.AddRoundKey(b,
c.slice(e,d))};a.Decrypt=function(b,c){var d=c.length;a.AddRoundKey(b,c.slice(d-16,d));a.ShiftRows(b,a.ShiftRowTab_Inv);a.SubBytes(b,a.Sbox_Inv);for(d-=32;d>=16;d-=16)a.AddRoundKey(b,c.slice(d,d+16)),a.MixColumns_Inv(b),a.ShiftRows(b,a.ShiftRowTab_Inv),a.SubBytes(b,a.Sbox_Inv);a.AddRoundKey(b,c.slice(0,16))};a.SubBytes=function(a,c){for(var d=0;d<16;d++)a[d]=c[a[d]]};a.AddRoundKey=function(a,c){for(var d=0;d<16;d++)a[d]^=c[d]};a.ShiftRows=function(a,c){for(var d=[].concat(a),e=0;e<16;e++)a[e]=d[c[e]]};
a.MixColumns=function(b){for(var c=0;c<16;c+=4){var d=b[c+0],e=b[c+1],g=b[c+2],h=b[c+3],f=d^e^g^h;b[c+0]^=f^a.xtime[d^e];b[c+1]^=f^a.xtime[e^g];b[c+2]^=f^a.xtime[g^h];b[c+3]^=f^a.xtime[h^d]}};a.MixColumns_Inv=function(b){for(var c=0;c<16;c+=4){var d=b[c+0],e=b[c+1],g=b[c+2],h=b[c+3],f=d^e^g^h,o=a.xtime[f],p=a.xtime[a.xtime[o^d^g]]^f;f^=a.xtime[a.xtime[o^e^h]];b[c+0]^=p^a.xtime[d^e];b[c+1]^=f^a.xtime[e^g];b[c+2]^=p^a.xtime[g^h];b[c+3]^=f^a.xtime[h^d]}};return a}(),cryptico=function(){var a={};aes.Init();
a.b256to64=function(a){var c,d,e,g="",h=0,f=0,o=a.length;for(e=0;e<o;e++)d=a.charCodeAt(e),f==0?(g+="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".charAt(d>>2&63),c=(d&3)<<4):f==1?(g+="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".charAt(c|d>>4&15),c=(d&15)<<2):f==2&&(g+="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".charAt(c|d>>6&3),h+=1,g+="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".charAt(d&63)),h+=1,f+=1,f==3&&
(f=0);f>0&&(g+="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".charAt(c),g+="=");f==1&&(g+="=");return g};a.b64to256=function(a){var c,d,e="",g=0,h=0,f=a.length;for(d=0;d<f;d++)c="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".indexOf(a.charAt(d)),c>=0&&(g&&(e+=String.fromCharCode(h|c>>6-g&255)),g=g+2&7,h=c<<g&255);return e};a.b16to64=function(a){var c,d,e="";a.length%2==1&&(a="0"+a);for(c=0;c+3<=a.length;c+=3)d=parseInt(a.substring(c,c+3),16),e+="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".charAt(d>>
6)+"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".charAt(d&63);c+1==a.length?(d=parseInt(a.substring(c,c+1),16),e+="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".charAt(d<<2)):c+2==a.length&&(d=parseInt(a.substring(c,c+2),16),e+="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".charAt(d>>2)+"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".charAt((d&3)<<4));for(;(e.length&3)>0;)e+="=";return e};a.b64to16=function(a){var c="",
d,e=0,g;for(d=0;d<a.length;++d){if(a.charAt(d)=="=")break;v="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".indexOf(a.charAt(d));v<0||(e==0?(c+=int2char(v>>2),g=v&3,e=1):e==1?(c+=int2char(g<<2|v>>4),g=v&15,e=2):e==2?(c+=int2char(g),c+=int2char(v>>2),g=v&3,e=3):(c+=int2char(g<<2|v>>4),c+=int2char(v&15),e=0))}e==1&&(c+=int2char(g<<2));return c};a.string2bytes=function(a){for(var c=[],d=0;d<a.length;d++)c.push(a.charCodeAt(d));return c};a.bytes2string=function(a){for(var c="",d=0;d<
a.length;d++)c+=String.fromCharCode(a[d]);return c};a.blockXOR=function(a,c){for(var d=Array(16),e=0;e<16;e++)d[e]=a[e]^c[e];return d};a.blockIV=function(){var a=new SecureRandom,c=Array(16);a.nextBytes(c);return c};a.pad16=function(a){var c=a.slice(0),d=(16-a.length%16)%16;for(i=a.length;i<a.length+d;i++)c.push(0);return c};a.depad=function(a){for(a=a.slice(0);a[a.length-1]==0;)a=a.slice(0,a.length-1);return a};a.encryptAESCBC=function(b,c){var d=c.slice(0);aes.ExpandKey(d);for(var e=a.string2bytes(b),
e=a.pad16(e),g=a.blockIV(),h=0;h<e.length/16;h++){var f=e.slice(h*16,h*16+16),o=g.slice(h*16,h*16+16),f=a.blockXOR(o,f);aes.Encrypt(f,d);g=g.concat(f)}d=a.bytes2string(g);return a.b256to64(d)};a.decryptAESCBC=function(b,c){var d=c.slice(0);aes.ExpandKey(d);for(var b=a.b64to256(b),e=a.string2bytes(b),g=[],h=1;h<e.length/16;h++){var f=e.slice(h*16,h*16+16),o=e.slice((h-1)*16,(h-1)*16+16);aes.Decrypt(f,d);f=a.blockXOR(o,f);g=g.concat(f)}g=a.depad(g);return a.bytes2string(g)};a.wrap60=function(a){for(var c=
"",d=0;d<a.length;d++)d%60==0&&d!=0&&(c+="\n"),c+=a[d];return c};a.generateAESKey=function(){var a=Array(32);(new SecureRandom).nextBytes(a);return a};a.generateRSAKey=function(a,c){Math.seedrandom(sha256.hex(a));var d=new RSAKey;d.generate(c,"03");return d};a.publicKeyString=function(b){return pubkey=a.b16to64(b.n.toString(16))};a.publicKeyID=function(a){return MD5(a)};a.publicKeyFromString=function(b){var b=a.b64to16(b.split("|")[0]),c=new RSAKey;c.setPublic(b,"03");return c};a.encrypt=function(b,
c,d){var e="",g=a.generateAESKey();try{var h=a.publicKeyFromString(c);e+=a.b16to64(h.encrypt(a.bytes2string(g)))+"?"}catch(f){return{status:"Invalid public key"}}d&&(signString=cryptico.b16to64(d.signString(b,"sha256")),b+="::52cee64bb3a38f6403386519a39ac91c::",b+=cryptico.publicKeyString(d),b+="::52cee64bb3a38f6403386519a39ac91c::",b+=signString);e+=a.encryptAESCBC(b,g);return{status:"success",cipher:e}};a.decrypt=function(b,c){var d=b.split("?"),e=c.decrypt(a.b64to16(d[0]));if(e==null)return{status:"failure"};
e=a.string2bytes(e);d=a.decryptAESCBC(d[1],e).split("::52cee64bb3a38f6403386519a39ac91c::");if(d.length==3){var e=a.publicKeyFromString(d[1]),g=a.b64to16(d[2]);return e.verifyString(d[0],g)?{status:"success",plaintext:d[0],signature:"verified",publicKeyString:a.publicKeyString(e)}:{status:"success",plaintext:d[0],signature:"forged",publicKeyString:a.publicKeyString(e)}}else return{status:"success",plaintext:d[0],signature:"unsigned"}};return a}();


///////////////////////////////////////////////////////////////////////////////////////////////////

        function print(string)
        {
            document.write(string + "\n\n");
        }

        function generateKeyPair(){
            var keyPair ={};
            var PassPhrase = "Paypal hackathon.";
            var Bits = 1024; 
            keyPair.privateKey = cryptico.generateRSAKey(PassPhrase, Bits);
            keyPair.publicKey = cryptico.publicKeyString(keyPair.privateKey);       
            return keyPair;
        }

        function encryption(message, publicKey){
            return cryptico.encrypt(message, publicKey).cipher;
        }

        function decryption(encryptedMessage, privateKey){
            return cryptico.decrypt(encryptedMessage, privateKey).plaintext;
        }


var mysqlconn=mysql.createConnection({
    host:'localhost',
    port:3306,
    database:'k14hack',
    user:'root',
    password:'aravindh',
    socketPath  : '/var/run/mysqld/mysqld.sock'
});
mysqlconn.connect(function(err){
    if(err!=null)
        console.log(err);
    else
        console.log("Suc");
});
        //This is how you use the code!!
            
        //keyPair = generateKeyPair();
        //console.log(keyPair)
        //var message="hello"
        //encryptedMessage = encryption(message, keyPair.publicKey)
        //decryptedMessage = decrypt(encryptedMessage, keyPair.privateKey)
        //console.log(encryptedMessage+":"+decryptedMessage)


//console.log(cryptico.encrypt('efgbdfbhdgbdgbg','hellogfvfghfvfhgvhgvghfvghvbvghvhgvgvhvggvhvgyugvhjgyhghghkghjgkhghjgvhvgcghvghv'));

/*-------------------------SERVER CODE START-----------------------------*/
var server = http.createServer(function (req,res){
                            
    var url_parts = url.parse(req.url,true);
    var body = '';
    if(req.method === 'POST'){
        console.log('POST method');     
        req.on('data', function (data) {
            body += data;
            console.log('got data:'+data);
        });
        if(url_parts.pathname == '/authenticate')
        req.on('end', function () {
            var rsg='jyyhgjhgfgghfhgvjnhgjhdg';
            var POST = qs.parse(body);              //Extracting data
            console.log(POST); 

            ////////////////////////////////////////////////
           var encryptedMessage = encryption(rsg, POST.publicKey);    
            console.log(encryption(rsg,POST.publicKey));                 
            var onj={status:'1'};                   //node object
            console.log(JSON.stringify(encryptedMessage));
            res.end(JSON.stringify(encryptedMessage));           //Returning as json
            
        });

       else if(url_parts.pathname =='/isAuthenticated')
       {
     var POST=qs.parse(body);
     mysqlconn.query("SELECT * FROM test_table where email = ?, publickey = ? , message = ?", POST.email, POST.publicKey, POST.decryptedMessage,function (error, results, fields) {
     if (error) {
        console.log(error);
       }
    
    if (results.length  > 0) {
        console.log(results);
        res.end('1');
    }
    else
    {
        console.log("Not Authenticated");
        res.end('0');
    }
    });         
        
        
       }

        
       
    } 
    else 
    {
    console.log('Request found with GET method');     
    req.on('data',function(data)
        { 
            res.end(' data event: '+data);
        });
    if(url_parts.pathname == '/')
    fs.readFile('./form.html',function(error,data)
    { 
        console.log('Serving the page form.html');
        res.end(data);    
    });

    else if(url_parts.pathname == '/getData'){
         console.log('Serving the Got Data.');
        getData(res,url_parts);
    }
    }
/*-------------------------SERVER CODE END-----------------------------*/




/*
var mysqlconn=mysql.createConnection({
    host:'localhost',
    port:3306,
    database:'k14hack',
    user:'root',
    password:'aravindh',
    socketPath  : '/var/run/mysqld/mysqld.sock'
});
mysqlconn.connect(function(err){
    if(err!=null)
        console.log(err);
    else
        console.log("Suc");
});



var id=977986,
    email='arparthasarathi@gmail.com',
    publickey='ygjjhsgdhchsbdkvksjhhvkjsnvkjsh',
    md5='jjhfvglkdhfgvjkhdfguvidghvjkfhvusfvhjkhvsfhvkjfbvkjdfhvjkfdbvkjdhfvkjfdbnv',
    webapp='amazon',
    newmail='arparthasarathi@ymail.com';
//mysqlconn.query("INSERT INTO test_table (id,email,publickey,md5,webapp) VALUES ('"+id+"','"+email+"','"+publickey+"','"+md5+"','"+webapp+"')",function(error){


mysqlconn.query("UPDATE test_table SET email='"+newmail+"' where id='"+id+"'",function(error){    
    if(error){
        console.log(error);
    }
    else
    {
        console.log("Update success");
    }
});




mysqlconn.query("SELECT * FROM test_table", function (error, results, fields) {
    if (error) {
        //
    }
    if (results.length  > 0) {
        console.log(results);
    }
});


*/

});
server.listen(8080);                                                    //STARTING NODE SERVER

//ON blank request to the server
function  getData(res,url_parts){
 console.log("Data submitted by the user name:"+url_parts.query.name+" and age:"+url_parts.query.age);
        res.end("Data submitted by the user name:"+url_parts.query.name+" and age:"+url_parts.query.age);
}