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:
May. 21, 2024
Filed:
Sep. 09, 2021
Applicants:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Electronic Devices & Storage Corporation, Tokyo, JP;
Inventors:
Hironori Nakanishi, Yokohama Kanagawa, JP;
Kana Furuhashi, Kawasaki Kanagawa, JP;
Assignees:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Electronic Devices & Storage Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/08 (2006.01); G06F 12/14 (2006.01); G06F 21/60 (2013.01); G06F 21/78 (2013.01); G06F 12/0873 (2016.01); H04L 9/16 (2006.01);
U.S. Cl.
CPC ...
G06F 21/602 (2013.01); G06F 12/1408 (2013.01); G06F 12/1425 (2013.01); G06F 21/78 (2013.01); H04L 9/0861 (2013.01); H04L 9/0891 (2013.01);
Abstract
According to one embodiment, a magnetic disk device includes a disk, a head writing data to the disk and reading data from the disk, and a controller managing a key generation of a cryptographic key, based on generation confirmation information which is generated by the cryptographic key managed by an external device and transferred from the external device, and which is unable to generate the cryptographic key.