ec_point_to_octets
if (!ec_point_to_octets(ec_key->group, ec_key->pub_key,
if (!ec_point_to_octets(group, point, form, &buf, &len, NULL))
if (!ec_point_to_octets(group, point, form, &buf, &buf_len, ctx))
int ec_point_to_octets(const EC_GROUP *group, const EC_POINT *point, int form,