pointScalarMult static method
mul point with scalar r = P*a
Implementation
static List<int> pointScalarMult(List<int> point, List<int> scalar) {
final pk = CryptoOps.geFromBytesVartime(point);
GroupElementP2 r = GroupElementP2();
CryptoOps.geScalarMult(r, scalar, pk);
return CryptoOps.geTobytes_(r);
}