The driver uses a combination of Application Programming Interfaces (APIs) and device drivers to interact with the smart card reader and the operating system. The APIs provide a standardized interface for applications to access the smart card, while the device drivers manage the low-level communication between the operating system and the smart card reader.

The driver is integral to the security model of the Rockey200. It manages the following security aspects:

Check under "Smart card readers." You should see "Feitian USB Smart Card Reader" or similar without error symbols.