code: def auth_key_send(self, key, force_mavlink1=False):
                  '''
                  Emit an encrypted signature / key identifying this system. PLEASE
                  NOTE: This protocol has been kept simple, so
                  transmitting the key requires an encrypted channel for
                  true safety.
  
                  key                       : key (char)
  
                  '''
                  return self.send(self.auth_key_encode(key), force_mavlink1=force_mavlink1f auth_key_send(self, key, force_mavlink1=False):
                  '''
                  Emit an encrypted signature / key identifying this system. PLEASE
                  NOTE: This protocol has been kept simple, so
                  transmitting the key requires an encrypted channel for
                  true safety.
  
                  key                       : key (char)
  
                  '''
                  return self.send(self.auth_key_encode(key), force_mavlink1=force_mavlink1)
docs: Emit an encrypted signature / key identifying this system. PLEASE
                  NOTE: This protocol has been kept simple, so
                  transmitting the key requires an encrypted channel for
                  true safety.
  
                  key                       : key (char)