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:
Jul. 13, 2021
Filed:
Sep. 12, 2017
Applicant:
Lg Electronics Inc., Seoul, KR;
Inventors:
Kyusuk Han, Seoul, KR;
Hyobin Bae, Seoul, KR;
Assignee:
LG Electronics Inc., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 9/08 (2006.01); H04L 9/32 (2006.01); H04L 12/40 (2006.01); H04L 29/06 (2006.01);
U.S. Cl.
CPC ...
H04L 9/0833 (2013.01); H04L 9/0844 (2013.01); H04L 9/32 (2013.01); H04L 9/3255 (2013.01); H04L 12/40 (2013.01); H04L 29/06 (2013.01);
Abstract
A communication system between a plurality of in-vehicle electronic devices protected using a symmetric key method is disclosed. The communication system includes a sender configured to transmit a message including a cyclic authentication code and a group authentication code, and a plurality of receivers configured to separately verify the message based on the cyclic authentication code and the group authentication code at a preset order.