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:
Jun. 24, 2025
Filed:
Aug. 22, 2022
Kabushiki Kaisha Toshiba, Tokyo, JP;
Ririka Takahashi, Setagaya Tokyo, JP;
Yoshimichi Tanizawa, Yokohama Kanagawa, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A key management device according to an embodiment includes one or more hardware processors configured to function as a determination unit, a generation unit, and a supply unit. The determination unit determines a type of request data requested by a request message transmitted from an application that performs encrypted data communication. The generation unit generates a response message including at least one of a random number and an encryption key shared by quantum key distribution (QKD) via a communication network according to a type of the request data. The supply unit supplies the response message to the application.