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:
Mar. 01, 2022
Filed:
Sep. 14, 2020
Applicant:
Hitachi, Ltd., Tokyo, JP;
Inventors:
Hideaki Monji, Tokyo, JP;
Yuusaku Kiyota, Tokyo, JP;
Assignee:
HITACHI, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 21/64 (2013.01); G06F 21/60 (2013.01);
U.S. Cl.
CPC ...
G06F 21/64 (2013.01); G06F 21/602 (2013.01);
Abstract
In a cryptographic apparatus, a cryptographic module executes first assurance check processing, which is processing for satisfying a predetermined certification requirement on image data of first software, and also executes second assurance check processing, which is processing for satisfying the above predetermined certification requirement on a verification target, which is at least part of image data of second software, and on which verification for satisfying the predetermined certification requirement is not performed by a device.