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. 30, 2021
Filed:
Sep. 12, 2018
Kabushiki Kaisha Toshiba, Minato-ku, JP;
KABUSHIKI KAISHA TOSHIBA, Minato-ku, JP;
Abstract
According to one embodiment, an information management device includes a Bloom filter generator configured to generate a Bloom filter based on information on a revoked certificate; a data distributor configured to send the Bloom filter to an authentication device, the authentication device authenticates a device with a certificate provided by the device; and an examiner configured to determine, when an examination request is received from the authentication device, whether an certificate designated by the examination request has been revoked based on revocation management information that contains information on the revoked certificate, and to send an examination result indicating whether the designated certificate has been revoked to the authentication device.