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. 19, 2025
Filed:
Dec. 16, 2022
Pukyong National University Industry-university Cooperation Foundation, Busan, KR;
Kyungchang Lee, Busan, KR;
Hyunjun Jang, Busan, KR;
Hyeongjun Kim, Busan, KR;
Hyunhee Kim, Busan, KR;
Eunhye Sin, Busan, KR;
Abstract
The present disclosure relates to a message chain-based Controller Area Network (CAN) security system and method with a hash function, which enables efficient detection of a malicious message through a message-based security scheme utilizing a hash function in the system. In an implementation, the method comprising steps of generating a hash value based on a Hash Reset Key and message ID received by the system, transmitting a CAN message including the hash value, allowing message reception and executing a command when it is determined that the hash value included in the CAN message is valid, and transmitting an intruder detection warning when it is determined that the hash value included in the CAN message is not valid.