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. 05, 2022
Filed:
Nov. 05, 2019
Samsung Electronics Co., Ltd., Suwon-si, KR;
Hyunsook Hong, Suwon-si, KR;
Jintaek Kwon, Suwon-si, KR;
Myeongjong Lee, Suwon-si, KR;
Seung-Jae Lee, Suwon-si, KR;
Seokgi Hong, Suwon-si, KR;
Byung-Gook Kim, Suwon-si, KR;
Jisoo Kim, Suwon-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Abstract
A storage device includes a nonvolatile memory device, and a controller that manages a data encryption key (DEK). The DEK is used to encrypt data to be written in a storage space of the nonvolatile memory device by a first user and to decrypt data read from the storage space. The controller grants a second user authority to access the storage space by encrypting the DEK based on a Diffie-Hellman (DH) algorithm, grants a second user authority to access the encrypted DEK, and decrypts the encrypted DEK based on the DH algorithm.