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. 28, 2022
Filed:
Oct. 24, 2019
Applicant:
Denso Corporation, Kariya, JP;
Inventor:
Yasuharu Sugano, Kariya, JP;
Assignee:
DENSO CORPORATION, Kariya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/14 (2006.01); H04L 9/08 (2006.01);
U.S. Cl.
CPC ...
H04L 9/0891 (2013.01); H04L 9/0819 (2013.01); H04L 9/0894 (2013.01); H04L 9/14 (2013.01);
Abstract
A vehicular system includes a first electronic control device that manages an encryption key, and a second electronic control device that uses the encryption key. The first electronic control device is configured to create the encryption key in response to that an owner of a vehicle has changed, and output the encryption key to the second electronic control device. The second electronic control device is configured to store a first encryption key and a third encryption key, receive a second encryption key, switch the encryption key being used, and update the first encryption key to the second encryption key.