key-controlled program
nounUK /kiː kənˈtrəʊld ˈprəʊɡræm/
US /ki kənˈtroʊld ˈproʊɡræm/
A key-controlled program is a computer program that only works when you use the right key.
The game is a key-controlled program, so you need the special key to start it.
OTHER MEANINGS
2. Software that requires a hardware key, such as a USB dongle, to run.
The design tool is a key-controlled program that checks for the USB key each time it opens.
3. A program whose features are unlocked by entering a product key.
After buying the key-controlled program, she typed the code to unlock all its features.
4. A system where a physical key switch controls whether a machine program can operate.
The factory robot runs a key-controlled program that only starts when the supervisor turns the key.