公开(公告)号：US20230143189A1

公开(公告)日：2023-05-11

申请号：US17857387

申请日：2022-07-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seok Gi HONG ,  Myeong Jong LEE ,  Sung Ho YOON ,  Seong Chan JO

IPC: G06F21/57 ,  G06F21/60 ,  H04L9/32

CPC classification number: G06F21/572 ,  G06F21/602 ,  H04L9/3236

Abstract: A storage device and an operating method are provided. The storage device includes a non-volatile memory comprising a first area configured to store a plurality of normal firmware images and a second area configured to store a plurality of trusted firmware images, a firmware table configured to store information about the plurality of normal firmware images and the plurality of trusted firmware images, and a storage controller configured to control the non-volatile memory, perform a self-test for the storage device and write at least one of the plurality of trusted firmware images over a boot image based on a result of the self-test. The firmware table is configured to store a first hash value calculated before encryption of the plurality of trusted firmware images, and a second hash value calculated after encryption of the plurality of trusted firmware images.