@toruslabs/session-manager
Version:
2 lines • 182 kB
JavaScript
/*! For license information please see sessionManager.umd.min.js.LICENSE.txt */
!function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"function"==typeof define&&define.amd?define([],t):"object"==typeof exports?exports.SessionManager=t():e.SessionManager=t()}(self,(()=>(()=>{var e={11:(e,t,r)=>{"use strict";var i=t,n=r(404),f=r(349),o=r(367);i.assert=f,i.toArray=o.toArray,i.zero2=o.zero2,i.toHex=o.toHex,i.encode=o.encode,i.getNAF=function(e,t,r){var i,n=new Array(Math.max(e.bitLength(),r)+1);for(i=0;i<n.length;i+=1)n[i]=0;var f=1<<t+1,o=e.clone();for(i=0;i<n.length;i++){var a,s=o.andln(f-1);o.isOdd()?(a=s>(f>>1)-1?(f>>1)-s:s,o.isubn(a)):a=0,n[i]=a,o.iushrn(1)}return n},i.getJSF=function(e,t){var r=[[],[]];e=e.clone(),t=t.clone();for(var i,n=0,f=0;e.cmpn(-n)>0||t.cmpn(-f)>0;){var o,a,s=e.andln(3)+n&3,d=t.andln(3)+f&3;3===s&&(s=-1),3===d&&(d=-1),o=1&s?3!=(i=e.andln(7)+n&7)&&5!==i||2!==d?s:-s:0,r[0].push(o),a=1&d?3!=(i=t.andln(7)+f&7)&&5!==i||2!==s?d:-d:0,r[1].push(a),2*n===o+1&&(n=1-n),2*f===a+1&&(f=1-f),e.iushrn(1),t.iushrn(1)}return 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n(r,16),i&&(this.x.forceRed(this.curve.red),this.y.forceRed(this.curve.red)),this.x.red||(this.x=this.x.toRed(this.curve.red)),this.y.red||(this.y=this.y.toRed(this.curve.red)),this.inf=!1)}function c(e,t,r,i){o.BasePoint.call(this,e,"jacobian"),null===t&&null===r&&null===i?(this.x=this.curve.one,this.y=this.curve.one,this.z=new n(0)):(this.x=new n(t,16),this.y=new n(r,16),this.z=new n(i,16)),this.x.red||(this.x=this.x.toRed(this.curve.red)),this.y.red||(this.y=this.y.toRed(this.curve.red)),this.z.red||(this.z=this.z.toRed(this.curve.red)),this.zOne=this.z===this.curve.one}f(s,o),e.exports=s,s.prototype._getEndomorphism=function(e){if(this.zeroA&&this.g&&this.n&&1===this.p.modn(3)){var t,r;if(e.beta)t=new n(e.beta,16).toRed(this.red);else{var i=this._getEndoRoots(this.p);t=(t=i[0].cmp(i[1])<0?i[0]:i[1]).toRed(this.red)}if(e.lambda)r=new n(e.lambda,16);else{var f=this._getEndoRoots(this.n);0===this.g.mul(f[0]).x.cmp(this.g.x.redMul(t))?r=f[0]:(r=f[1],a(0===this.g.mul(r).x.cmp(this.g.x.redMul(t))))}return{beta:t,lambda:r,basis:e.basis?e.basis.map((function(e){return{a:new n(e.a,16),b:new n(e.b,16)}})):this._getEndoBasis(r)}}},s.prototype._getEndoRoots=function(e){var t=e===this.p?this.red:n.mont(e),r=new n(2).toRed(t).redInvm(),i=r.redNeg(),f=new n(3).toRed(t).redNeg().redSqrt().redMul(r);return[i.redAdd(f).fromRed(),i.redSub(f).fromRed()]},s.prototype._getEndoBasis=function(e){for(var t,r,i,f,o,a,s,d,c,h=this.n.ushrn(Math.floor(this.n.bitLength()/2)),u=e,l=this.n.clone(),b=new n(1),p=new n(0),m=new n(0),y=new n(1),g=0;0!==u.cmpn(0);){var v=l.div(u);d=l.sub(v.mul(u)),c=m.sub(v.mul(b));var w=y.sub(v.mul(p));if(!i&&d.cmp(h)<0)t=s.neg(),r=b,i=d.neg(),f=c;else if(i&&2==++g)break;s=d,l=u,u=d,m=b,b=c,y=p,p=w}o=d.neg(),a=c;var M=i.sqr().add(f.sqr());return o.sqr().add(a.sqr()).cmp(M)>=0&&(o=t,a=r),i.negative&&(i=i.neg(),f=f.neg()),o.negative&&(o=o.neg(),a=a.neg()),[{a:i,b:f},{a:o,b:a}]},s.prototype._endoSplit=function(e){var t=this.endo.basis,r=t[0],i=t[1],n=i.b.mul(e).divRound(this.n),f=r.b.neg().mul(e).divRound(this.n),o=n.mul(r.a),a=f.mul(i.a),s=n.mul(r.b),d=f.mul(i.b);return{k1:e.sub(o).sub(a),k2:s.add(d).neg()}},s.prototype.pointFromX=function(e,t){(e=new n(e,16)).red||(e=e.toRed(this.red));var r=e.redSqr().redMul(e).redIAdd(e.redMul(this.a)).redIAdd(this.b),i=r.redSqrt();if(0!==i.redSqr().redSub(r).cmp(this.zero))throw new Error("invalid point");var f=i.fromRed().isOdd();return(t&&!f||!t&&f)&&(i=i.redNeg()),this.point(e,i)},s.prototype.validate=function(e){if(e.inf)return!0;var t=e.x,r=e.y,i=this.a.redMul(t),n=t.redSqr().redMul(t).redIAdd(i).redIAdd(this.b);return 0===r.redSqr().redISub(n).cmpn(0)},s.prototype._endoWnafMulAdd=function(e,t,r){for(var i=this._endoWnafT1,n=this._endoWnafT2,f=0;f<e.length;f++){var o=this._endoSplit(t[f]),a=e[f],s=a._getBeta();o.k1.negative&&(o.k1.ineg(),a=a.neg(!0)),o.k2.negative&&(o.k2.ineg(),s=s.neg(!0)),i[2*f]=a,i[2*f+1]=s,n[2*f]=o.k1,n[2*f+1]=o.k2}for(var d=this._wnafMulAdd(1,i,n,2*f,r),c=0;c<2*f;c++)i[c]=null,n[c]=null;return d},f(d,o.BasePoint),s.prototype.point=function(e,t,r){return new d(this,e,t,r)},s.prototype.pointFromJSON=function(e,t){return d.fromJSON(this,e,t)},d.prototype._getBeta=function(){if(this.curve.endo){var e=this.precomputed;if(e&&e.beta)return e.beta;var t=this.curve.point(this.x.redMul(this.curve.endo.beta),this.y);if(e){var r=this.curve,i=function(e){return r.point(e.x.redMul(r.endo.beta),e.y)};e.beta=t,t.precomputed={beta:null,naf:e.naf&&{wnd:e.naf.wnd,points:e.naf.points.map(i)},doubles:e.doubles&&{step:e.doubles.step,points:e.doubles.points.map(i)}}}return t}},d.prototype.toJSON=function(){return this.precomputed?[this.x,this.y,this.precomputed&&{doubles:this.precomputed.doubles&&{step:this.precomputed.doubles.step,points:this.precomputed.doubles.points.slice(1)},naf:this.precomputed.naf&&{wnd:this.precomputed.naf.wnd,points:this.precomputed.naf.points.slice(1)}}]:[this.x,this.y]},d.fromJSON=function(e,t,r){"string"==typeof t&&(t=JSON.parse(t));var i=e.point(t[0],t[1],r);if(!t[2])return i;function n(t){return e.point(t[0],t[1],r)}var f=t[2];return i.precomputed={beta:null,doubles:f.doubles&&{step:f.doubles.step,points:[i].concat(f.doubles.points.map(n))},naf:f.naf&&{wnd:f.naf.wnd,points:[i].concat(f.naf.points.map(n))}},i},d.prototype.inspect=function(){return this.isInfinity()?"<EC Point Infinity>":"<EC Point x: "+this.x.fromRed().toString(16,2)+" y: "+this.y.fromRed().toString(16,2)+">"},d.prototype.isInfinity=function(){return this.inf},d.prototype.add=function(e){if(this.inf)return e;if(e.inf)return this;if(this.eq(e))return this.dbl();if(this.neg().eq(e))return this.curve.point(null,null);if(0===this.x.cmp(e.x))return this.curve.point(null,null);var t=this.y.redSub(e.y);0!==t.cmpn(0)&&(t=t.redMul(this.x.redSub(e.x).redInvm()));var r=t.redSqr().redISub(this.x).redISub(e.x),i=t.redMul(this.x.redSub(r)).redISub(this.y);return this.curve.point(r,i)},d.prototype.dbl=function(){if(this.inf)return this;var e=this.y.redAdd(this.y);if(0===e.cmpn(0))return this.curve.point(null,null);var t=this.curve.a,r=this.x.redSqr(),i=e.redInvm(),n=r.redAdd(r).redIAdd(r).redIAdd(t).redMul(i),f=n.redSqr().redISub(this.x.redAdd(this.x)),o=n.redMul(this.x.redSub(f)).redISub(this.y);return this.curve.point(f,o)},d.prototype.getX=function(){return this.x.fromRed()},d.prototype.getY=function(){return this.y.fromRed()},d.prototype.mul=function(e){return e=new n(e,16),this.isInfinity()?this:this._hasDoubles(e)?this.curve._fixedNafMul(this,e):this.curve.endo?this.curve._endoWnafMulAdd([this],[e]):this.curve._wnafMul(this,e)},d.prototype.mulAdd=function(e,t,r){var i=[this,t],n=[e,r];return this.curve.endo?this.curve._endoWnafMulAdd(i,n):this.curve._wnafMulAdd(1,i,n,2)},d.prototype.jmulAdd=function(e,t,r){var i=[this,t],n=[e,r];return this.curve.endo?this.curve._endoWnafMulAdd(i,n,!0):this.curve._wnafMulAdd(1,i,n,2,!0)},d.prototype.eq=function(e){return this===e||this.inf===e.inf&&(this.inf||0===this.x.cmp(e.x)&&0===this.y.cmp(e.y))},d.prototype.neg=function(e){if(this.inf)return this;var t=this.curve.point(this.x,this.y.redNeg());if(e&&this.precomputed){var r=this.precomputed,i=function(e){return e.neg()};t.precomputed={naf:r.naf&&{wnd:r.naf.wnd,points:r.naf.points.map(i)},doubles:r.doubles&&{step:r.doubles.step,points:r.doubles.points.map(i)}}}return t},d.prototype.toJ=function(){return this.inf?this.curve.jpoint(null,null,null):this.curve.jpoint(this.x,this.y,this.curve.one)},f(c,o.BasePoint),s.prototype.jpoint=function(e,t,r){return new c(this,e,t,r)},c.prototype.toP=function(){if(this.isInfinity())return this.curve.point(null,null);var e=this.z.redInvm(),t=e.redSqr(),r=this.x.redMul(t),i=this.y.redMul(t).redMul(e);return this.curve.point(r,i)},c.prototype.neg=function(){return this.curve.jpoint(this.x,this.y.redNeg(),this.z)},c.prototype.add=function(e){if(this.isInfinity())return e;if(e.isInfinity())return this;var t=e.z.redSqr(),r=this.z.redSqr(),i=this.x.redMul(t),n=e.x.redMul(r),f=this.y.redMul(t.redMul(e.z)),o=e.y.redMul(r.redMul(this.z)),a=i.redSub(n),s=f.redSub(o);if(0===a.cmpn(0))return 0!==s.cmpn(0)?this.curve.jpoint(null,null,null):this.dbl();var d=a.redSqr(),c=d.redMul(a),h=i.redMul(d),u=s.redSqr().redIAdd(c).redISub(h).redISub(h),l=s.redMul(h.redISub(u)).redISub(f.redMul(c)),b=this.z.redMul(e.z).redMul(a);return this.curve.jpoint(u,l,b)},c.prototype.mixedAdd=function(e){if(this.isInfinity())return e.toJ();if(e.isInfinity())return this;var t=this.z.redSqr(),r=this.x,i=e.x.redMul(t),n=this.y,f=e.y.redMul(t).redMul(this.z),o=r.redSub(i),a=n.redSub(f);if(0===o.cmpn(0))return 0!==a.cmpn(0)?this.curve.jpoint(null,null,null):this.dbl();var s=o.redSqr(),d=s.redMul(o),c=r.redMul(s),h=a.redSqr().redIAdd(d).redISub(c).redISub(c),u=a.redMul(c.redISub(h)).redISub(n.redMul(d)),l=this.z.redMul(o);return this.curve.jpoint(h,u,l)},c.prototype.dblp=function(e){if(0===e)return this;if(this.isInfinity())return this;if(!e)return this.dbl();var t;if(this.curve.zeroA||this.curve.threeA){var r=this;for(t=0;t<e;t++)r=r.dbl();return r}var i=this.curve.a,n=this.curve.tinv,f=this.x,o=this.y,a=this.z,s=a.redSqr().redSqr(),d=o.redAdd(o);for(t=0;t<e;t++){var c=f.redSqr(),h=d.redSqr(),u=h.redSqr(),l=c.redAdd(c).redIAdd(c).redIAdd(i.redMul(s)),b=f.redMul(h),p=l.redSqr().redISub(b.redAdd(b)),m=b.redISub(p),y=l.redMul(m);y=y.redIAdd(y).redISub(u);var g=d.redMul(a);t+1<e&&(s=s.redMul(u)),f=p,a=g,d=y}return this.curve.jpoint(f,d.redMul(n),a)},c.prototype.dbl=function(){return 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a=i.redAdd(i).redIAdd(i).redIAdd(this.curve.a),s=a.redSqr().redISub(o).redISub(o);e=s;var d=f.redIAdd(f);d=(d=d.redIAdd(d)).redIAdd(d),t=a.redMul(o.redISub(s)).redISub(d),r=this.y.redAdd(this.y)}else{var c=this.z.redSqr(),h=this.y.redSqr(),u=this.x.redMul(h),l=this.x.redSub(c).redMul(this.x.redAdd(c));l=l.redAdd(l).redIAdd(l);var b=u.redIAdd(u),p=(b=b.redIAdd(b)).redAdd(b);e=l.redSqr().redISub(p),r=this.y.redAdd(this.z).redSqr().redISub(h).redISub(c);var m=h.redSqr();m=(m=(m=m.redIAdd(m)).redIAdd(m)).redIAdd(m),t=l.redMul(b.redISub(e)).redISub(m)}return this.curve.jpoint(e,t,r)},c.prototype._dbl=function(){var e=this.curve.a,t=this.x,r=this.y,i=this.z,n=i.redSqr().redSqr(),f=t.redSqr(),o=r.redSqr(),a=f.redAdd(f).redIAdd(f).redIAdd(e.redMul(n)),s=t.redAdd(t),d=(s=s.redIAdd(s)).redMul(o),c=a.redSqr().redISub(d.redAdd(d)),h=d.redISub(c),u=o.redSqr();u=(u=(u=u.redIAdd(u)).redIAdd(u)).redIAdd(u);var l=a.redMul(h).redISub(u),b=r.redAdd(r).redMul(i);return 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d(e,t,r,i,f){o.BasePoint.call(this,e,"projective"),null===t&&null===r&&null===i?(this.x=this.curve.zero,this.y=this.curve.one,this.z=this.curve.one,this.t=this.curve.zero,this.zOne=!0):(this.x=new n(t,16),this.y=new n(r,16),this.z=i?new n(i,16):this.curve.one,this.t=f&&new n(f,16),this.x.red||(this.x=this.x.toRed(this.curve.red)),this.y.red||(this.y=this.y.toRed(this.curve.red)),this.z.red||(this.z=this.z.toRed(this.curve.red)),this.t&&!this.t.red&&(this.t=this.t.toRed(this.curve.red)),this.zOne=this.z===this.curve.one,this.curve.extended&&!this.t&&(this.t=this.x.redMul(this.y),this.zOne||(this.t=this.t.redMul(this.z.redInvm()))))}f(s,o),e.exports=s,s.prototype._mulA=function(e){return this.mOneA?e.redNeg():this.a.redMul(e)},s.prototype._mulC=function(e){return this.oneC?e:this.c.redMul(e)},s.prototype.jpoint=function(e,t,r,i){return this.point(e,t,r,i)},s.prototype.pointFromX=function(e,t){(e=new n(e,16)).red||(e=e.toRed(this.red));var r=e.redSqr(),i=this.c2.redSub(this.a.redMul(r)),f=this.one.redSub(this.c2.redMul(this.d).redMul(r)),o=i.redMul(f.redInvm()),a=o.redSqrt();if(0!==a.redSqr().redSub(o).cmp(this.zero))throw new Error("invalid point");var s=a.fromRed().isOdd();return(t&&!s||!t&&s)&&(a=a.redNeg()),this.point(e,a)},s.prototype.pointFromY=function(e,t){(e=new n(e,16)).red||(e=e.toRed(this.red));var r=e.redSqr(),i=r.redSub(this.c2),f=r.redMul(this.d).redMul(this.c2).redSub(this.a),o=i.redMul(f.redInvm());if(0===o.cmp(this.zero)){if(t)throw new Error("invalid point");return this.point(this.zero,e)}var a=o.redSqrt();if(0!==a.redSqr().redSub(o).cmp(this.zero))throw new Error("invalid point");return a.fromRed().isOdd()!==t&&(a=a.redNeg()),this.point(a,e)},s.prototype.validate=function(e){if(e.isInfinity())return!0;e.normalize();var t=e.x.redSqr(),r=e.y.redSqr(),i=t.redMul(this.a).redAdd(r),n=this.c2.redMul(this.one.redAdd(this.d.redMul(t).redMul(r)));return 0===i.cmp(n)},f(d,o.BasePoint),s.prototype.pointFromJSON=function(e){return d.fromJSON(this,e)},s.prototype.point=function(e,t,r,i){return new d(this,e,t,r,i)},d.fromJSON=function(e,t){return new d(e,t[0],t[1],t[2])},d.prototype.inspect=function(){return this.isInfinity()?"<EC Point Infinity>":"<EC Point x: "+this.x.fromRed().toString(16,2)+" y: "+this.y.fromRed().toString(16,2)+" z: "+this.z.fromRed().toString(16,2)+">"},d.prototype.isInfinity=function(){return 0===this.x.cmpn(0)&&(0===this.y.cmp(this.z)||this.zOne&&0===this.y.cmp(this.curve.c))},d.prototype._extDbl=function(){var e=this.x.redSqr(),t=this.y.redSqr(),r=this.z.redSqr();r=r.redIAdd(r);var i=this.curve._mulA(e),n=this.x.redAdd(this.y).redSqr().redISub(e).redISub(t),f=i.redAdd(t),o=f.redSub(r),a=i.redSub(t),s=n.redMul(o),d=f.redMul(a),c=n.redMul(a),h=o.redMul(f);return this.curve.point(s,d,h,c)},d.prototype._projDbl=function(){var e,t,r,i,n,f,o=this.x.redAdd(this.y).redSqr(),a=this.x.redSqr(),s=this.y.redSqr();if(this.curve.twisted){var d=(i=this.curve._mulA(a)).redAdd(s);this.zOne?(e=o.redSub(a).redSub(s).redMul(d.redSub(this.curve.two)),t=d.redMul(i.redSub(s)),r=d.redSqr().redSub(d).redSub(d)):(n=this.z.redSqr(),f=d.redSub(n).redISub(n),e=o.redSub(a).redISub(s).redMul(f),t=d.redMul(i.redSub(s)),r=d.redMul(f))}else i=a.redAdd(s),n=this.curve._mulC(this.z).redSqr(),f=i.redSub(n).redSub(n),e=this.curve._mulC(o.redISub(i)).redMul(f),t=this.curve._mulC(i).redMul(a.redISub(s)),r=i.redMul(f);return this.curve.point(e,t,r)},d.prototype.dbl=function(){return this.isInfinity()?this:this.curve.extended?this._extDbl():this._projDbl()},d.prototype._extAdd=function(e){var t=this.y.redSub(this.x).redMul(e.y.redSub(e.x)),r=this.y.redAdd(this.x).redMul(e.y.redAdd(e.x)),i=this.t.redMul(this.curve.dd).redMul(e.t),n=this.z.redMul(e.z.redAdd(e.z)),f=r.redSub(t),o=n.redSub(i),a=n.redAdd(i),s=r.redAdd(t),d=f.redMul(o),c=a.redMul(s),h=f.redMul(s),u=o.redMul(a);return this.curve.point(d,c,u,h)},d.prototype._projAdd=function(e){var t,r,i=this.z.redMul(e.z),n=i.redSqr(),f=this.x.redMul(e.x),o=this.y.redMul(e.y),a=this.curve.d.redMul(f).redMul(o),s=n.redSub(a),d=n.redAdd(a),c=this.x.redAdd(this.y).redMul(e.x.redAdd(e.y)).redISub(f).redISub(o),h=i.redMul(s).redMul(c);return this.curve.twisted?(t=i.redMul(d).redMul(o.redSub(this.curve._mulA(f))),r=s.redMul(d)):(t=i.redMul(d).redMul(o.redSub(f)),r=this.curve._mulC(s).redMul(d)),this.curve.point(h,t,r)},d.prototype.add=function(e){return this.isInfinity()?e:e.isInfinity()?this:this.curve.extended?this._extAdd(e):this._projAdd(e)},d.prototype.mul=function(e){return this._hasDoubles(e)?this.curve._fixedNafMul(this,e):this.curve._wnafMul(this,e)},d.prototype.mulAdd=function(e,t,r){return this.curve._wnafMulAdd(1,[this,t],[e,r],2,!1)},d.prototype.jmulAdd=function(e,t,r){return this.curve._wnafMulAdd(1,[this,t],[e,r],2,!0)},d.prototype.normalize=function(){if(this.zOne)return this;var e=this.z.redInvm();return this.x=this.x.redMul(e),this.y=this.y.redMul(e),this.t&&(this.t=this.t.redMul(e)),this.z=this.curve.one,this.zOne=!0,this},d.prototype.neg=function(){return this.curve.point(this.x.redNeg(),this.y,this.z,this.t&&this.t.redNeg())},d.prototype.getX=function(){return this.normalize(),this.x.fromRed()},d.prototype.getY=function(){return this.normalize(),this.y.fromRed()},d.prototype.eq=function(e){return this===e||0===this.getX().cmp(e.getX())&&0===this.getY().cmp(e.getY())},d.prototype.eqXToP=function(e){var t=e.toRed(this.curve.red).redMul(this.z);if(0===this.x.cmp(t))return!0;for(var r=e.clone(),i=this.curve.redN.redMul(this.z);;){if(r.iadd(this.curve.n),r.cmp(this.curve.p)>=0)return!1;if(t.redIAdd(i),0===this.x.cmp(t))return!0}},d.prototype.toP=d.prototype.normalize,d.prototype.mixedAdd=d.prototype.add},349:e=>{function t(e,t){if(!e)throw new Error(t||"Assertion failed")}e.exports=t,t.equal=function(e,t,r){if(e!=t)throw new Error(r||"Assertion failed: "+e+" != "+t)}},367:(e,t)=>{"use strict";var r=t;function i(e){return 1===e.length?"0"+e:e}function n(e){for(var t="",r=0;r<e.length;r++)t+=i(e[r].toString(16));return t}r.toArray=function(e,t){if(Array.isArray(e))return e.slice();if(!e)return[];var r=[];if("string"!=typeof e){for(var i=0;i<e.length;i++)r[i]=0|e[i];return r}if("hex"===t)for((e=e.replace(/[^a-z0-9]+/gi,"")).length%2!=0&&(e="0"+e),i=0;i<e.length;i+=2)r.push(parseInt(e[i]+e[i+1],16));else for(i=0;i<e.length;i++){var n=e.charCodeAt(i),f=n>>8,o=255&n;f?r.push(f,o):r.push(o)}return r},r.zero2=i,r.toHex=n,r.encode=function(e,t){return"hex"===t?n(e):e}},370:(e,t,r)=>{"use strict";var i=r(404),n=r(698),f=r(677),o=r(11);function a(e){f.call(this,"mont",e),this.a=new i(e.a,16).toRed(this.red),this.b=new i(e.b,16).toRed(this.red),this.i4=new i(4).toRed(this.red).redInvm(),this.two=new i(2).toRed(this.red),this.a24=this.i4.redMul(this.a.redAdd(this.two))}function s(e,t,r){f.BasePoint.call(this,e,"projective"),null===t&&null===r?(this.x=this.curve.one,this.z=this.curve.zero):(this.x=new i(t,16),this.z=new i(r,16),this.x.red||(this.x=this.x.toRed(this.curve.red)),this.z.red||(this.z=this.z.toRed(this.curve.red)))}n(a,f),e.exports=a,a.prototype.validate=function(e){var t=e.normalize().x,r=t.redSqr(),i=r.redMul(t).redAdd(r.redMul(this.a)).redAdd(t);return 0===i.redSqrt().redSqr().cmp(i)},n(s,f.BasePoint),a.prototype.decodePoint=function(e,t){return this.point(o.toArray(e,t),1)},a.prototype.point=function(e,t){return new s(this,e,t)},a.prototype.pointFromJSON=function(e){return s.fromJSON(this,e)},s.prototype.precompute=function(){},s.prototype._encode=function(){return this.getX().toArray("be",this.curve.p.byteLength())},s.fromJSON=function(e,t){return new s(e,t[0],t[1]||e.one)},s.prototype.inspect=function(){return this.isInfinity()?"<EC Point Infinity>":"<EC Point x: "+this.x.fromRed().toString(16,2)+" z: "+this.z.fromRed().toString(16,2)+">"},s.prototype.isInfinity=function(){return 0===this.z.cmpn(0)},s.prototype.dbl=function(){var e=this.x.redAdd(this.z).redSqr(),t=this.x.redSub(this.z).redSqr(),r=e.redSub(t),i=e.redMul(t),n=r.redMul(t.redAdd(this.curve.a24.redMul(r)));return this.curve.point(i,n)},s.prototype.add=function(){throw new Error("Not supported on Montgomery curve")},s.prototype.diffAdd=function(e,t){var r=this.x.redAdd(this.z),i=this.x.redSub(this.z),n=e.x.redAdd(e.z),f=e.x.redSub(e.z).redMul(r),o=n.redMul(i),a=t.z.redMul(f.redAdd(o).redSqr()),s=t.x.redMul(f.redISub(o).redSqr());return this.curve.point(a,s)},s.prototype.mul=function(e){for(var t=e.clone(),r=this,i=this.curve.point(null,null),n=[];0!==t.cmpn(0);t.iushrn(1))n.push(t.andln(1));for(var f=n.length-1;f>=0;f--)0===n[f]?(r=r.diffAdd(i,this),i=i.dbl()):(i=r.diffAdd(i,this),r=r.dbl());return i},s.prototype.mulAdd=function(){throw new Error("Not supported on Montgomery curve")},s.prototype.jumlAdd=function(){throw new Error("Not supported on Montgomery curve")},s.prototype.eq=function(e){return 0===this.getX().cmp(e.getX())},s.prototype.normalize=function(){return this.x=this.x.redMul(this.z.redInvm()),this.z=this.curve.one,this},s.prototype.getX=function(){return 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