The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 28, 2026
Filed:
Nov. 06, 2023
Samsung Electronics Co., Ltd., Suwon-si, KR;
Yonghwan Song, Suwon-si, KR;
Jisoo Kim, Suwon-si, KR;
Jimin Ryu, Suwon-si, KR;
Younsung Chu, Suwon-si, KR;
Jaegyu Lee, Suwon-si, KR;
Daejin Jung, Suwon-si, KR;
Samsung Electronics Co., Ltd., Gyeonggi-do, KR;
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.