r.length;)r.unshift(0);return r},r=this.getX().toBigInteger(),n=this.getY().toBigInteger(),i=e(r,32);return t?n.isEven()?i.unshift(2):i.unshift(3):(i.unshift(4),i=i.concat(e(n,32))),i},st.decodeFrom=function(t,e){e[0];var r=e.length-1,n=e.slice(1,1+r/2),i=e.slice(1+r/2,1+r);n.unshift(0),i.unshift(0);var o=new F(n),s=new F(i);return new st(t,t.fromBigInteger(o),t.fromBigInteger(s))},st.decodeFromHex=function(t,e){e.substr(0,2);var r=e.length-2,n=e.substr(2,r/2),i=e.substr(2+r/2,r/2),o=new F(n,16),s=new F(i,16);return new st(t,t.fromBigInteger(o),t.fromBigInteger(s))},st.prototype.add2D=function(t){if(this.isInfinity())return t;if(t.isInfinity())return this;if(this.x.equals(t.x))return this.y.equals(t.y)?this.twice():this.curve.getInfinity();var e=t.x.subtract(this.x),r=t.y.subtract(this.y).divide(e),n=r.square().subtract(this.x).subtract(t.x),i=r.multiply(this.x.subtract(n)).subtract(this.y);return new st(this.curve,n,i)},st.prototype.twice2D=function(){if(this.isInfinity())return this;if(0==this.y.toBigInteger().signum())return this.curve.getInfinity();var t=this.curve.fromBigInteger(F.valueOf(2)),e=this.curve.fromBigInteger(F.valueOf(3)),r=this.x.square().multiply(e).add(this.curve.a).divide(this.y.multiply(t)),n=r.square().subtract(this.x.multiply(t)),i=r.multiply(this.x.subtract(n)).subtract(this.y);return new st(this.curve,n,i)},st.prototype.multiply2D=function(t){if(this.isInfinity())return this;if(0==t.signum())return this.curve.getInfinity();var e,r=t,n=r.multiply(new F("3")),i=this.negate(),o=this;for(e=n.bitLength()-2;e>0;--e){o=o.twice();var s=n.testBit(e);s!=r.testBit(e)&&(o=o.add2D(s?this:i))}return o},st.prototype.isOnCurve=function(){var t=this.getX().toBigInteger(),e=this.getY().toBigInteger(),r=this.curve.getA().toBigInteger(),n=this.curve.getB().toBigInteger(),i=this.curve.getQ(),o=e.multiply(e).mod(i),s=t.multiply(t).multiply(t).add(r.multiply(t)).add(n).mod(i);return o.equals(s)},st.prototype.toString=function(){return"("+this.getX().toBigInteger().toString()+","+this.getY().toBigInteger().toString()+")"},st.prototype.validate=function(){var t=this.curve.getQ();if(this.isInfinity())throw new Error("Point is at infinity.");var e=this.getX().toBigInteger(),r=this.getY().toBigInteger();if(e.compareTo(F.ONE)<0||e.compareTo(t.subtract(F.ONE))>0)throw new Error("x coordinate out of bounds");if(r.compareTo(F.ONE)<0||r.compareTo(t.subtract(F.ONE))>0)throw new Error("y coordinate out of bounds");if(!this.isOnCurve())throw new Error("Point is not on the curve.");if(this.multiply(t).isInfinity())throw new Error("Point is not a scalar multiple of G.");return!0};var ut=function(){var t=new RegExp('(?:false|true|null|[\\{\\}\\[\\]]|(?:-?\\b(?:0|[1-9][0-9]*)(?:\\.[0-9]+)?(?:[eE][+-]?[0-9]+)?\\b)|(?:"(?:[^\\0-\\x08\\x0a-\\x1f"\\\\]|\\\\(?:["/\\\\bfnrt]|u[0-9A-Fa-f]{4}))*"))',"g"),e=new RegExp("\\\\(?:([^u])|u(.{4}))","g"),n={'"':'"',"/":"/","\\":"\\",b:"\b",f:"\f",n:"\n",r:"\r",t:"\t"};function i(t,e,r){return e?n[e]:String.fromCharCode(parseInt(r,16))}var o=new String(""),s=Object.hasOwnProperty;return function(n,a){var u,c,h=n.match(t),l=h[0],f=!1;"{"===l?u={}:"["===l?u=[]:(u=[],f=!0);for(var g=[u],d=1-f,p=h.length;d=0;)delete i[o[h]]}return a.call(e,n,i)}({"":u},"")),u}}();void 0!==ct&&ct||(e.KJUR=ct={}),void 0!==ct.asn1&&ct.asn1||(ct.asn1={}),ct.asn1.ASN1Util=new function(){this.integerToByteHex=function(t){var e=t.toString(16);return e.length%2==1&&(e="0"+e),e},this.bigIntToMinTwosComplementsHex=function(t){var e=t.toString(16);if("-"!=e.substr(0,1))e.length%2==1?e="0"+e:e.match(/^[0-7]/)||(e="00"+e);else{var r=e.substr(1).length;r%2==1?r+=1:e.match(/^[0-7]/)||(r+=2);for(var n="",i=0;i