* The following shows an SMP security client demo with its tutorial. This demo initiates its security parameters and acts as a GATT client, which can send a security request to the peer device and then complete the encryption procedure.
* The following shows an SMP security server demo with its tutorial. This demo initiates its security parameters and acts as a GATT server, which can send a pair request to the peer device and then complete the encryption procedure.
- :example_file:`GATT Security Server Example Walkthrough <bluetooth/bluedroid/ble/gatt_security_server/tutorial/Gatt_Security_Server_Example_Walkthrough.md>`