公开(公告)号：US20200167303A1

公开(公告)日：2020-05-28

申请号：US16636764

申请日：2018-08-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Byung-Jun KIM ,  Dong-Rak SHIN ,  Woo-Kwang LEE ,  Jae-Jin LEE

IPC: G06F13/38 ,  G06F13/42

Abstract: An electronic device according to an embodiment of the present invention comprises: a universal serial bus (USB) interface; a processor electrically connected to the USB interface; and a memory electrically connected to the processor, wherein the memory may store instructions configured to, when executed, cause the processor to: enter a security mode; in the security mode, receive, from an external device connected to the electronic device via the USB interface, a USB class code corresponding to the external device; determine whether the USB class code is included in a white list of connectable devices allowed to be connected to the electronic device in the security mode; and control a communication connection between the external device and the electronic device according to whether the USB class code is included in the white list. Other embodiments are also possible.