## ECP2 **Kind**: global class **this**: {ECP2} * [ECP2](#ECP2) * [new ECP2()](#new_ECP2_new) * _instance_ * [.is_infinity(1)](#ECP2+is_infinity) * [.copy(P)](#ECP2+copy) * [.inf()](#ECP2+inf) * [.cmove()](#ECP2+cmove) * [.select()](#ECP2+select) * [.equals(Q)](#ECP2+equals) * [.neg()](#ECP2+neg) * [.affine()](#ECP2+affine) * [.getX()](#ECP2+getX) * [.getY()](#ECP2+getY) * [.getx()](#ECP2+getx) * [.gety()](#ECP2+gety) * [.getz()](#ECP2+getz) * [.toBytes(b)](#ECP2+toBytes) * [.toString()](#ECP2+toString) ⇒ * [.setxy(ix, iy)](#ECP2+setxy) * [.setx(ix)](#ECP2+setx) * [.frob()](#ECP2+frob) * [.dbl()](#ECP2+dbl) * [.add()](#ECP2+add) * [.sub(Q)](#ECP2+sub) * [.mul(e)](#ECP2+mul) * _static_ * [.generator()](#ECP2.generator) * [.fromBytes(b)](#ECP2.fromBytes) * [.RHS(x)](#ECP2.RHS) * [.mul4()](#ECP2.mul4) ### new ECP2() Creates an instance of ECP2 ### ecP2.is\_infinity(1) Tests for ECP2 point equal to infinity **Kind**: instance method of [ECP2](#ECP2) **this**: {ECP2} | Param | Description | | --- | --- | | 1 | if infinity, else returns 0 | ### ecP2.copy(P) Copy ECP2 point to another ECP2 point **Kind**: instance method of [ECP2](#ECP2) **this**: {ECP2} | Param | Description | | --- | --- | | P | ECP2 instance | ### ecP2.inf() Set ECP2 to point-at-infinity **Kind**: instance method of [ECP2](#ECP2) **this**: {ECP2} ### ecP2.cmove() conditional move of Q to P dependant on d **Kind**: instance method of [ECP2](#ECP2) **this**: {ECP2} ### ecP2.select() Constant time select from pre-computed table **Kind**: instance method of [ECP2](#ECP2) **this**: {ECP2} ### ecP2.equals(Q) Test P == Q **Kind**: instance method of [ECP2](#ECP2) **this**: {ECP2} | Param | Description | | --- | --- | | Q | ECP2 instance | ### ecP2.neg() set this=-this **Kind**: instance method of [ECP2](#ECP2) **this**: {ECP2} ### ecP2.affine() convert this to affine, from (x,y,z) to (x,y) **Kind**: instance method of [ECP2](#ECP2) **this**: {ECP2} ### ecP2.getX() extract affine x as ctx.FP2 **Kind**: instance method of [ECP2](#ECP2) **this**: {ECP2} ### ecP2.getY() extract affine y as ctx.FP2 **Kind**: instance method of [ECP2](#ECP2) **this**: {ECP2} ### ecP2.getx() extract projective x **Kind**: instance method of [ECP2](#ECP2) **this**: {ECP2} ### ecP2.gety() extract projective y **Kind**: instance method of [ECP2](#ECP2) **this**: {ECP2} ### ecP2.getz() extract projective z **Kind**: instance method of [ECP2](#ECP2) **this**: {ECP2} ### ecP2.toBytes(b) convert this to byte arrayextract projective x **Kind**: instance method of [ECP2](#ECP2) **this**: {ECP2} | Param | Description | | --- | --- | | b | byte array output | ### ecP2.toString() ⇒ convert this to hex string **Kind**: instance method of [ECP2](#ECP2) **Returns**: hex string **this**: {ECP2} ### ecP2.setxy(ix, iy) set this=(x,y) **Kind**: instance method of [ECP2](#ECP2) **this**: {ECP2} | Param | Description | | --- | --- | | ix | x-value | | iy | y-value | ### ecP2.setx(ix) set this=(x,.) **Kind**: instance method of [ECP2](#ECP2) **this**: {ECP2} | Param | Description | | --- | --- | | ix | x-value | ### ecP2.frob() set this*=q, where q is Modulus, using Frobenius **Kind**: instance method of [ECP2](#ECP2) **this**: {ECP2} ### ecP2.dbl() this+=this **Kind**: instance method of [ECP2](#ECP2) **this**: {ECP2} ### ecP2.add() Adds ECP2 instances param Q ECP2 instance **Kind**: instance method of [ECP2](#ECP2) **this**: {ECP2} ### ecP2.sub(Q) Subtracts ECP instance Q from this **Kind**: instance method of [ECP2](#ECP2) **this**: {ECP2} | Param | Description | | --- | --- | | Q | ECP2 instance | ### ecP2.mul(e) Multiplies an ECP2 instance P by a BIG, side-channel resistant **Kind**: instance method of [ECP2](#ECP2) **this**: {ECP2} | Param | Description | | --- | --- | | e | BIG number multiplier | ### ECP2.generator() Set group generator **Kind**: static method of [ECP2](#ECP2) **this**: {ECP2} ### ECP2.fromBytes(b) convert from byte array to point **Kind**: static method of [ECP2](#ECP2) **this**: {ECP2} | Param | Description | | --- | --- | | b | input byte array | ### ECP2.RHS(x) Calculate RHS of curve equation x^3+B **Kind**: static method of [ECP2](#ECP2) **this**: {ECP2} | Param | Description | | --- | --- | | x | x-value | ### ECP2.mul4() Calculate P=u0.Q0+u1*Q1+u2*Q2+u3*Q3 **Kind**: static method of [ECP2](#ECP2) **this**: {ECP2}