公开(公告)号：US20220206693A1

公开(公告)日：2022-06-30

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

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.

公开(公告)号：US20240402945A1

公开(公告)日：2024-12-05

申请号：US18507332

申请日：2023-11-13

Applicant: Samsung Electronics Co., Ltd.

Inventor： Daejin JUNG ,  Yonghwan SONG ,  Jeong-Woo PARK

IPC: G06F3/06

Abstract: A storage device may include a non-volatile memory configured to store one file as a plurality of file fragments, and a storage controller configured to receive a read command with respect to the plurality of file fragments from a host through UFS protocol information unit (UPIU), and perform prefetching on the plurality of file fragments based on file fragmentation information included in an extra header segment (EHS) field of the UPIU.

公开(公告)号：US20240272827A1

公开(公告)日：2024-08-15

申请号：US18397765

申请日：2023-12-27

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Daejin JUNG ,  Jeong-Woo PARK ,  Yonghwan SONG

IPC: G06F3/06

CPC classification number: G06F3/0659 ,  G06F3/0604 ,  G06F3/0658 ,  G06F3/0679

Abstract: A storage system includes a host device supporting multiple queues and a storage device communicating with the host device. The host device may include first and second cores, first and second queues corresponding to the first and second cores and storing commands, and a host controller that sets a queue ID and/or a parallelism demand level for each commands stored in the first and second queues. The storage device may include nonvolatile memories and a storage controller that detects pattern information of commands, received from the host device, based on the queue ID and places the commands, received from the host device, in the nonvolatile memories based on the pattern information.

公开(公告)号：US20250165162A1

公开(公告)日：2025-05-22

申请号：US18936517

申请日：2024-11-04

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Daejin JUNG ,  Minji Kim ,  Myeongjong Lee ,  Hyungsup Kim ,  Seongchan Jo ,  Jeongwoo Park

IPC: G06F3/06

Abstract: Provided are a universal flash storage (UFS) device for preventing a replay attack, a method of operating the same, and a UFS system. The UFS device including: a memory including a replay protection memory block (RPMB) region, the RPMB region including one or more index fields storing a second write failure index; and a memory controller including at least one controller memory storing one or more instructions, wherein the memory controller is configured to execute the one or more instructions to cause the UFS device to: receive, from an external device, an RPMB write request including a first write failure index, meta information, and a first message authentication code generated based on the first write failure index and the meta information, and determine whether to perform an authentication operation on the external device based on the first write failure index and the second write failure index.

公开(公告)号：US20240160794A1

公开(公告)日：2024-05-16

申请号：US18502321

申请日：2023-11-06

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yonghwan SONG ,  Jisoo KIM ,  Jimin RYU ,  Younsung CHU ,  Jaegyu LEE ,  Daejin JUNG

IPC: G06F21/79 ,  G06F21/60 ,  G06F21/64

CPC classification number: G06F21/79 ,  G06F21/602 ,  G06F21/64

Abstract: Provided are an operating method of a storage device and an operating method of a storage system including the storage device. An operating method of a storage device including a nonvolatile memory device and a storage controller includes storing, by the storage controller, a public key received from a first host, transmitting, by the storage controller, a random number to a second host in response to a host authentication start request from the second host that has obtained the public key and a private key corresponding to the public key, receiving, by the storage controller, a signature generated based on the private key and the random number from the second host, verifying, by the storage controller, the signature based on the public key, and changing, by the storage controller, a first device parameter according to a request from the second host in response to the signature being verified.