have_sampled_guard_with_id(guard_selection_t *gs, const uint8_t *rsa_id)
{
  return get_sampled_guard_with_id(gs, rsa_id) != NULL;
}
have_sampled_guard_with_id(guard_selection_t *gs, const uint8_t *rsa_id)
{
  return get_sampled_guard_with_id(gs, rsa_id) != NULL;
}