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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.:

US 11201736 B1

PDFFull Text
Date of Patent:
Dec. 14, 2021

Filed:

Aug. 04, 2016

Management device, management system, key generation device, key generation system, key management system, vehicle, management method, key generation method, and computer program

Applicant:

Kddi Corporation, Tokyo, JP;

Inventors:

Keisuke Takemori, Tokyo, JP;

Hideaki Kawabata, Tokyo, JP;

Yasuaki Kobayashi, Tokyo, JP;

Assignee:

KDDI CORPORATION, Tokyo, JP;

Attorney:

Greenblum & Bernstein, P.L.C.

Primary Examiner:

Jeffrey C Pwu

Assistant Examiner:

Samuel Ambaye

Int. Cl.
CPC ...
H04L 9/00 (2006.01); H04L 9/08 (2006.01); G06F 21/44 (2013.01); H04L 9/14 (2006.01); G06F 21/45 (2013.01); H04L 29/08 (2006.01);
U.S. Cl.
CPC ...
H04L 9/0861 (2013.01); G06F 21/44 (2013.01); G06F 21/45 (2013.01); H04L 9/0819 (2013.01); H04L 9/0866 (2013.01); H04L 9/0894 (2013.01); H04L 9/14 (2013.01); H04L 67/12 (2013.01); H04L 2209/84 (2013.01);
Abstract

A management device installed in a vehicle includes a master key storing part configured to share the master key that is used to generate an initial key held by an ECU together with an identifier of the ECU; a communication part configured to communicate with the ECU; a key generation part configured to generate the initial key of the ECU by use of the master key stored on the master key storing part and the identifier of the ECU received from the ECU via the communication part; and an initial key storing part configured to store the initial key of the ECU that is generated by the key generation part in connection with the identifier of the ECU.

Find Patent Forward Citations

Takemori, Keisuke. (2021). Management device, management system, key generation device, key generation system, key management system, vehicle, management method, key generation method, and computer program (U.S. Patent No. 11201736). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11201736

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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