pub fn multiscalar_multiply_ristretto(
scalars: &[PodScalar],
points: &[PodRistrettoPoint]
) -> Option<PodRistrettoPoint>
pub fn multiscalar_multiply_ristretto(
scalars: &[PodScalar],
points: &[PodRistrettoPoint]
) -> Option<PodRistrettoPoint>