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Journal of Information Science and Engineering, Vol. 26 No. 3, pp. 785-800 (May 2010)

An Efficient Anonymous Authentication Protocol for Secure Vehicular Communications*

YOUNGHO PARK, CHUL SUR, CHAE DUK JUNG AND KYUNG-HYUNE RHEE+
Division of Electronic, Computer and Telecommunication Engineering
Pukyong National University
Busan, 608-737 Korea

As vehicular communications bring the promise of improved road safety and optimized road traffic through cooperative systems applications, it becomes a prerequisite to make vehicular communications secure for the successful deployment of vehicular ad hoc networks. In this paper, we propose an efficient authentication protocol with anonymous public key certificates for secure vehicular communications. The proposed protocol follows a system model to issue on-the-fly anonymous public key certificates to vehicles by road-side units. In order to design an efficient authentication protocol, we consider a key-insulated signature scheme for certifying anonymous public keys of vehicles to the system model. We demonstrate experimental results to confirm that the proposed protocol has better performance than other protocols based on group signature schemes.

Keywords: vehicular network, security, authentication, anonymous public key certificate, key-insulated signature

Full Text () Retrieve PDF document (201005_04.pdf)

Received March 31, 2009; accepted September 30, 2009.
Communicated by Chih-Yung Chang, Chien-Chung Shen, Xuemin (Sherman) Shen, and Yu-Chee Tseng.
* This study was financially supported by Pukyong National University in the 2008 Post-Doc. program. This work was partially supported by the Korea Research Foundation Grant funded by the Korean Government (MOEHRD, Basic Research Promotion Fund) (KRF-2008-521-D00454).
+ Corresponding author.