Pukyong National University

Eunhye Sin

Hyeongjun Kim

Hyunjun Jang

Hyunhee Kim

Kyungchang Lee

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.

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Busan, South Korea

Eunhye Sin