公开(公告)号：US20240020426A1

公开(公告)日：2024-01-18

申请号：US18189412

申请日：2023-03-24

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jimin Ryu ,  Yonghwan Song ,  Jaegyu Lee ,  Dong-Min Kim ,  Byungjune Song ,  Myeongjong Lee ,  Daejin Jung

IPC: G06F21/79 ,  G06F21/60 ,  G06F21/55

CPC classification number: G06F21/79 ,  G06F21/602 ,  G06F21/556

Abstract: A method for managing a replay protection memory block (RPMB) of a storage device includes allocating an RPMB master region managed separately from an RPMB region in which an RPMB key is stored in the RPMB of the storage device, programming a master key into the RPMB master region responsive to a request from a host, receiving a reset request for the RPMB region using the master key from the host, resetting the RPMB key in response to the reset request for the RPMB region, and receiving a reset lock request for the RPMB region from the host.

公开(公告)号：US11726672B2

公开(公告)日：2023-08-15

申请号：US17505064

申请日：2021-10-19

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Daejin Jung ,  Dong-Min Kim ,  Jeong-Woo Park ,  Kyoung Back Lee

IPC: G06F3/06

CPC classification number: G06F3/0622 ,  G06F3/064 ,  G06F3/0629 ,  G06F3/0659 ,  G06F3/0673

Abstract: Provided is a storage device which communicates with a host device and configured to set a secure mode of a plurality of commands different in kind. An operating method of the storage device includes receiving a secure request indicating a protection of a first command and a protection of a second command of the plurality of commands, from the host device; setting a secure mode of the first and second commands, based on the secure request; receiving a first request indicating a request to execute the first command, from the host device; outputting a first response indicating failure of the first command to the host device, based on the first request; receiving a second request indicating a request to execute the second command, from the host device; and outputting a second response indicating failure of the second command to the host device, based on the second request.