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:
Apr. 09, 2024
Filed:
Jun. 16, 2021
Applicant:
Kioxia Corporation, Tokyo, JP;
Inventors:
Masahiro Kusaka, Yokohama, JP;
Kenichi Numata, Kokubunji, JP;
Assignee:
Kioxia Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); H04L 9/08 (2006.01); H04L 9/32 (2006.01); H04L 67/1097 (2022.01);
U.S. Cl.
CPC ...
H04L 9/0894 (2013.01); H04L 9/0825 (2013.01); H04L 9/3247 (2013.01); H04L 67/1097 (2013.01);
Abstract
According to one embodiment, a key management device includes a storage and a server. The storage includes a first nonvolatile memory, and a first controller configured to encrypt, using a first media encryption key, data from a host, and store the encrypted data in the first nonvolatile memory. The server includes a second nonvolatile memory storing a first key, and a second controller configured to transmit the first key from the second nonvolatile memory to the storage without passing through the host. The first controller is configured to generate the first media encryption key using the first key.