ecc_mod_mul (const struct ecc_modulo *m, mp_limb_t *rp,
	     const mp_limb_t *ap, const mp_limb_t *bp, mp_limb_t *tp)
{
  mpn_mul_n (tp, ap, bp, m->size);
  m->reduce (m, rp, tp);
}
ecc_mod_mul (const struct ecc_modulo *m, mp_limb_t *rp,
	     const mp_limb_t *ap, const mp_limb_t *bp, mp_limb_t *tp)
{
  mpn_mul_n (tp, ap, bp, m->size);
  m->reduce (m, rp, tp);
}