Patent ID: 11874903
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 14:
15. The device according to claim 14, wherein switching from the TA interface to the CA interface according to the request for TUI display exit comprises:
controlling, according to the request for TUI display exit by using the second driver that is of the hardware device and that is in the trusted execution environment, the hardware device to exit the secure mode; and
controlling, according to third switching information by using the first driver that is of the hardware device and that is in the rich execution environment, the hardware device to enter the non-secure mode, and display, in the rich execution environment, the CA interface by invoking the hardware device that has switched to the non-secure mode, wherein the third switching information indicates that the hardware device has exited the secure mode.