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.

Date of Patent:
Jun. 02, 2020

Filed:

Mar. 10, 2016
Applicant:

Kddi Corporation, Tokyo, JP;

Inventors:

Keisuke Takemori, Tokyo, JP;

Hideaki Kawabata, Tokyo, JP;

Assignee:

KDDI CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/08 (2006.01); H04L 9/16 (2006.01); H04L 9/32 (2006.01); G06F 21/44 (2013.01);
U.S. Cl.
CPC ...
H04L 9/08 (2013.01); G06F 21/44 (2013.01); H04L 9/0822 (2013.01); H04L 9/0891 (2013.01); H04L 9/16 (2013.01); H04L 9/32 (2013.01); H04L 9/3271 (2013.01); H04L 2209/84 (2013.01);
Abstract

A management device installed in an automobile includes an initially-delivered key storage unit for storing a plurality of initially-delivered keys corresponding to candidates of initially-delivered keys held by an ECU, a communication part for communicating with the ECU, a verification part for verifying encrypted data from the ECU with the initially-delivered key of the initially-delivered key storage unit, and a wireless communication part for receiving a new initially-delivered key held by a new ECU newly installed in the automobile from management server equipment through a wireless communication network. The initially-delivered key storage unit stores the new initially-delivered key received with the wireless communication part.


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