A Secure Communication Scheme without Trusted RSU Setting for VANET

Vol. 20, No. 4, pp. 75-88, Aug. 2010
10.13089/JKIISC.2010.20.4.75, Full Text:
Keywords: VANET, secure communication, temporary anonymous certificate
Abstract

Secure communication has been one of the main challenges in vehicular ad hoc networks(VANET) since broadcast messages from nearby vehicles contain life-critical information for drivers and passengers. So far various secure communication schemes have been proposed to secure the communication in VANET, and they satisfy most security requirements. However most of them need to put trust on roadside units(RSUs), which are usually deployed in unattended area and vulnerable to compromise. In this paper, we propose a secure communication scheme, which does not need to put trust on RSUs. And we adopt a grouping technique to averagely divide the huge burden in the server without jeopardizing the anonymity of users. Moreover we design a complete set of protocols to satisfy common security requirements with a relatively lower hardware requirement. At last, we evaluate the scheme with respect to security requirements, communication overhead, storage overhead and network performance.

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Cite this article
[IEEE Style]
H. Fei, L. Kun, B. Kim, D. Lee, "A Secure Communication Scheme without Trusted RSU Setting for VANET," Journal of The Korea Institute of Information Security and Cryptology, vol. 20, no. 4, pp. 75-88, 2010. DOI: 10.13089/JKIISC.2010.20.4.75.

[ACM Style]
He Fei, Li Kun, Bum-Han Kim, and Dong-Hoon Lee. 2010. A Secure Communication Scheme without Trusted RSU Setting for VANET. Journal of The Korea Institute of Information Security and Cryptology, 20, 4, (2010), 75-88. DOI: 10.13089/JKIISC.2010.20.4.75.