def data_encryption(connection, KeyId, Versus=None, Data=None, WorkingKey=''):
"""
Keyboard and Security, Data encryption (0x40, 0x03).
:Parameters:
-*connection* (PupySPOT): Object managing spot connection.
- *KeyId* (integer): Slot ID of Master Key.
- *Versus* (Enums.Versus): Operation required.
- *Data* (bytes array): Data block on which the operation is performed.
- *WorkingKey* (bytes array): Working Key value encrypted with Master Key.
:Returns: Ack-Code indicating successful of the operation.
"""
Protocol.send_data_encryption(connection, keyid = KeyId, versus = Versus, data = Data, mode = 0x00 if WorkingKey == '' else 0x01, working_key = WorkingKey)
ack = Protocol.recv_data_encryption(connection, timeout = 120)
if ack['ack_code'] != 0x00: ack['Data'] = None
return ack['ack_code'], ack['Data']
