Wifi control relay for an electromechanical lock. How to protect against interception and copying of the code?

Question

Encryption

Help build a hack protection module or give advice on protection.
Wifi remote control relays purchased in China are not copy protected in any way
QUESTION - How to implement a simple relay for 1 channel for a lock (open-close) with AES128-256bit encryption. Relay function - when you press the remote control button, the remote control gives a signal to open the lock + - for 1.5 seconds. When you press another button, the remote control gives a signal to close - + for 1.5 seconds.
12V lock actuator
Do you need good protection or how to assemble such a circuit based on this chip https://www.microchip.com/wwwproducts/en/MCS3142#a... ?