DF: checking of the declared or alleged identity of a user, process, or device (e.g. checking that downloaded software originates from the owner of the type approval certificate)
DF: checking of the declared or alleged identity of a user, process, or device (e.g. checking that downloaded software originates from the owner of the type approval certificate)
DF: checking of the declared or alleged identity of a user, process, or device (e.g. checking that downloaded software originates from the owner of the type approval certificate)