What is the principle of temporary passwords for Zigbee connection?

Temporary passwords are valid during a specific period of time. After you create a temporary password for a door lock in the app, the server sends the password to the door lock, which stores the password and validity period. After the information is saved, the temporary password is valid during this period unless the door lock receives an instruction to delete or modify the password. Network connection is the basis for password creation, deletion, and modification.