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Chandrasekaran, Selvamani, Ramachandran, K.I., Adarsh, S., Puranik, Ashish Kumar.  2020.  Avoidance of Replay attack in CAN protocol using Authenticated Encryption. 2020 11th International Conference on Computing, Communication and Networking Technologies (ICCCNT). :1—6.
Controller Area Network is the prominent communication protocol in automotive systems. Its salient features of arbitration, message filtering, error detection, data consistency and fault confinement provide robust and reliable architecture. Despite of this, it lacks security features and is vulnerable to many attacks. One of the common attacks over the CAN communication is the replay attack. It can happen even after the implementation of encryption or authentication. This paper proposes a methodology of supressing the replay attacks by implementing authenticated encryption embedded with timestamp and pre-shared initialisation vector as a primary key. The major advantage of this system is its flexibility and configurability nature where in each layer can be chosen with the help of cryptographic algorithms to up to the entire size of the keys.