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Efficient and Spontaneous Privacy-Preserving Protocol for Secure Vehicular Communication

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4 Author(s)
Hu Xiong ; Dept. of Electr. & Comput. Eng., Univ. of British Columbia, Vancouver, BC, Canada ; Beznosov, K. ; Zhiguang Qin ; Ripeanu, M.

This paper introduces an efficient and spontaneous privacy-preserving protocol for vehicular ad-hoc networks based on revocable ring signature. The proposed protocol has three appealing characteristics: First, it offers conditional privacy-preservation: while a receiver can verify that a message issuer is an authorized participant in the system only a trusted authority can reveal the true identity of a message sender. Second, it is spontaneous: safety messages can be authenticated locally, without support from the roadside units or contacting other vehicles. Third, it is efficient: it offers fast message authentication and verification, cost-effective identity tracking in case of a dispute, and has low storage requirements. We use extensive analysis to demonstrate the merits of the proposed protocol and to compare it with previously proposed solutions.

Published in:

Communications (ICC), 2010 IEEE International Conference on

Date of Conference:

23-27 May 2010