getY method
Implementation
ECFieldElementFp getY() {
zinv ??= z.modInverse(curve.q);
return curve.fromBigInteger(y!.toBigInteger() * zinv! % curve.q);
}
ECFieldElementFp getY() {
zinv ??= z.modInverse(curve.q);
return curve.fromBigInteger(y!.toBigInteger() * zinv! % curve.q);
}