公开(公告)号：US20250021239A1

公开(公告)日：2025-01-16

申请号：US18600853

申请日：2024-03-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sungho YOON ,  Younsung CHU ,  Youngmoon KIM

IPC: G06F3/06

Abstract: Provided are storage devices, methods of operating a storage controller, and universal flash storage (UFS) systems. The storage device includes a memory group configured to store unique device secret (UDS) data including a UDS, and pre-installed device secret (PDS) data including a PDS, and a processor configured to receive a first endorsement generated based on the PDS and a first firmware image, perform a first integrity check for the first firmware image based on the PDS of the PDS data, the first firmware image, and the first endorsement, and generate a second endorsement based on the UDS and the first firmware image in response to a pass result of the first integrity check.

公开(公告)号：US20250028864A1

公开(公告)日：2025-01-23

申请号：US18771210

申请日：2024-07-12

Applicant: Samsung Electronics Co., Ltd.

Inventor： Dohyeong LEE ,  Myeongjong LEE ,  Youngmoon KIM ,  Hyungsup KIM ,  Seongchan JO

IPC: G06F21/64 ,  G06F3/06 ,  G06F21/78

Abstract: Provided is a storage system including a host configured to generate a hash value for a first command, merge the hash value with a random value, and provide a signature for merged data and the first command, and a storage device configured to store the random value corresponding to the first command in a first buffer, provide the random value to the host, receive the first command and the signature from the host, store the signature in a second buffer, verify the signature, and in response to verification being completed, delete the random value from the first buffer and execute the first command.