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:
Sep. 20, 2022
Filed:
Jan. 25, 2018
Lg Electronics Inc., Seoul, KR;
LG ELECTRONICS INC., Seoul, KR;
Abstract
Disclosed is a vehicular update system including a communication device configured to communicate between a server and a controller included in a vehicle, a memory, and a controller configured to, (i) when a public key set including a root public key for verifying a root signature is stored in the memory, acquire the root signature from the server and verify root metadata based on the acquired root signature and the root public key of the public key set pre-stored in the memory, and configured to, (ii) when the public key set is not stored in the memory, acquire, from the server, root metadata including a public key set and a root signature obtained by performing a digital signature on a hash value of the public key set using a root private key, verify the root metadata based on the root public key of the acquired root metadata and the root signature, and store the public key set.