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1 International Journal of Electronics and Telecommunications

1 2023

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Hardware Implementation of an Enhanced Security- and Authentication-Related Automotive CAN Bus Prototype

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Zniti A. , Ouazzani N.

tom Vol. 69, No. 1

83--88

In this paper a new security technique aiming to ensure safe and reliable communications between different nodes on an automotive Controller Area Network (CAN) is presented. The proposed method relies on a robust authentication code using Blake-3 as a hash algorithm within an adapted structure that includes a monitor node. A prototype is implemented and run effectively to perform hardware simulations of real case-based security problems of automotive embedded CAN systems. As a result, data transfer can take place on a newly enhanced CAN bus according to the standard protocol without being intercepted nor tampered with by unauthorized parties thereby highlighting the effectiveness of the proposed technique.