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:
Aug. 17, 2021
Filed:
Mar. 14, 2017
Applicant:
Kddi Corporation, Tokyo, JP;
Inventors:
Seiichiro Mizoguchi, Tokyo, JP;
Hideaki Kawabata, Tokyo, JP;
Keisuke Takemori, Tokyo, JP;
Ayumu Kubota, Tokyo, JP;
Assignee:
KDDI CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 9/32 (2006.01); H04L 9/06 (2006.01); H04L 9/08 (2006.01); H04L 29/06 (2006.01); H04W 12/02 (2009.01); B60R 16/023 (2006.01); H04L 12/40 (2006.01); H04L 29/08 (2006.01); H04L 9/12 (2006.01);
U.S. Cl.
CPC ...
H04L 9/3242 (2013.01); B60R 16/023 (2013.01); H04L 9/0838 (2013.01); H04L 9/0861 (2013.01); H04L 9/0869 (2013.01); H04L 9/12 (2013.01); H04L 9/3228 (2013.01); H04L 12/40 (2013.01); H04L 63/123 (2013.01); H04L 67/12 (2013.01); H04L 63/0428 (2013.01); H04L 2012/40215 (2013.01); H04L 2012/40273 (2013.01); H04L 2209/84 (2013.01);
Abstract
A communication network system, in which a transmission node for transmitting a message is connected to a reception node for receiving the message, is configured to periodically transmit a count-value notification message to notify a count value, which is used to generate and check a message authentication code for the message, to the transmission node and the reception node.