can_handle_critical_notation (const byte * name, size_t len)
{
  if (len == 32 && memcmp (name, "preferred-email-encoding@pgp.com", 32) == 0)
    return 1;
  if (len == 21 && memcmp (name, "pka-address@gnupg.org", 21) == 0)
    return 1;

  return 0;
}
can_handle_critical_notation (const byte * name, size_t len)
{
  if (len == 32 && memcmp (name, "preferred-email-encoding@pgp.com", 32) == 0)
    return 1;
  if (len == 21 && memcmp (name, "pka-address@gnupg.org", 21) == 0)
    return 1;

  return 0;
}