In-vehicle CAN bus security communication protocol based on identity encryption

Yao Feng; Guihe Qin; Zizhan Zhang; Guofeng Wang; Kunpeng Wang

doi:10.1117/12.3031907

6 June 2024 In-vehicle CAN bus security communication protocol based on identity encryption

Yao Feng, Guihe Qin, Zizhan Zhang, Guofeng Wang, Kunpeng Wang

Proceedings Volume 13175, International Conference on Computer Network Security and Software Engineering (CNSSE 2024); 131750N (2024) https://doi.org/10.1117/12.3031907
Event: 4th International Conference on Computer Network Security and Software Engineering (CNSSE 2024), 2024, Sanya, China

Abstract

The CAN network bus is one of the most widely used buses in the vehicle, but the lack of sufficient security mechanisms allows criminals to maliciously attack the vehicle, which is a very serious security risk. In this paper, an identity-based encryption algorithm is used to design a secure communication protocol for an in-vehicle CAN network. Compared with the method based on digital certificates, it reduces the overhead of verification, management, and storage of digital certificates. The combination of asymmetric key and symmetric key ensures sufficient security and a small-time cost for the data communication phase. In addition, the Hash Message Authentication Code (HMAC) is used to ensure the integrity and authenticity of the data during the transmission phase. Experimental results show that the proposed protocol can resist forgery attacks, tampering attacks, and replay attacks, and meet the real-time requirements of automotive-grade microcontrollers.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Yao Feng, Guihe Qin, Zizhan Zhang, Guofeng Wang, and Kunpeng Wang "In-vehicle CAN bus security communication protocol based on identity encryption", Proc. SPIE 13175, International Conference on Computer Network Security and Software Engineering (CNSSE 2024), 131750N (6 June 2024); https://doi.org/10.1117/12.3031907

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