ec_wNAF_mul
ret = ec_wNAF_mul(group, r, scalar, num, points, scalars, ctx);
int ec_wNAF_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar,
return ec_wNAF_mul(group, r, g_scalar, 1, &point, &p_scalar, ctx);