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:
Nov. 24, 2020
Filed:
Jul. 07, 2016
Applicant:
Hitachi, Ltd., Tokyo, JP;
Inventors:
Assignee:
HITACHI, LTD., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 21/79 (2013.01); G06F 21/60 (2013.01); G06F 3/06 (2006.01); H04L 9/08 (2006.01);
U.S. Cl.
CPC ...
G06F 21/79 (2013.01); G06F 3/061 (2013.01); G06F 3/0604 (2013.01); G06F 3/0623 (2013.01); G06F 3/0644 (2013.01); G06F 3/0647 (2013.01); G06F 3/0661 (2013.01); G06F 3/0685 (2013.01); G06F 3/0688 (2013.01); G06F 21/602 (2013.01); G06F 21/604 (2013.01); H04L 9/0894 (2013.01); G06F 2221/2107 (2013.01);
Abstract
A computer system includes a processor, a volatile storage device that stores a program to be executed by the processor, and a plurality of nonvolatile storage devices that store data. Each of the plurality of nonvolatile storage devices holds a first encryption key for encrypting and decrypting first data. Each nonvolatile storage device in the plurality of nonvolatile storage devices transfers the first data to another nonvolatile storage device in the plurality of nonvolatile storage devices in an encrypted or unencrypted state determined according to a predetermined rule.