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:
May. 04, 2021
Filed:
Jul. 01, 2016
Applicant:
Kddi Corporation, Tokyo, JP;
Inventors:
Assignee:
KDDI CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/32 (2006.01); G09C 1/00 (2006.01); H04L 9/16 (2006.01); B60R 16/02 (2006.01); G06F 21/64 (2013.01); G06F 21/57 (2013.01); G06F 8/61 (2018.01); G06F 8/65 (2018.01); H04L 9/08 (2006.01); H04L 29/06 (2006.01);
U.S. Cl.
CPC ...
H04L 9/3247 (2013.01); B60R 16/02 (2013.01); G06F 8/61 (2013.01); G06F 8/65 (2013.01); G06F 21/572 (2013.01); G06F 21/64 (2013.01); G09C 1/00 (2013.01); H04L 9/0819 (2013.01); H04L 9/16 (2013.01); H04L 9/32 (2013.01); H04L 63/0428 (2013.01);
Abstract
A software distribution processing device stores a common key for each ECU and a verification key for an electronic signature of software updating data, verifies an electronic signature of the updating data received from management server equipment by use of the verification key, attaches an electronic signature using the common key for each ECU to the updating data succeeded in verification of the electronic signature, and then transmits to each ECU the updating data attached with the electronic signature using the common key for each ECU.