Protocol of Change Pseudonyms for VANETs

被引:9
作者
Adigun, Adetundji [1 ]
Bensaber, Boucif Amar [1 ]
Biskri, Ismail [1 ]
机构
[1] Univ Quebec Trois Rivieres, Dept Math & Comp Sci, Lab Math & Informat Appliquees LAMIA, Trois Rivieres, PQ GA9 5H7, Canada
来源
PROCEEDINGS OF THE 2013 38TH ANNUAL IEEE CONFERENCE ON LOCAL COMPUTER NETWORKS WORKSHOPS (LCN WORKSHOPS) | 2013年
关键词
VANET security; authentication; privacy; certificate; equidistant distribution; traceability; COOPERATIVE MESSAGE AUTHENTICATION;
D O I
10.1109/LCNW.2013.6758514
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
We propose in this paper a security protocol based on periodic change of pseudonyms. The idea is to avoid illegal traceability of vehicles during their communications and preserve their privacy and confidential information. Two different approaches are proposed. In the first approach, each vehicle asks the central authority a new communication pseudonym after a time t. While in the second approach, each vehicle generates itself after a time t, a new communication pseudonym. Our objective is to permit at least two vehicles to change their pseudonym in the same time interval. We evaluate in this work, the bandwidth used by considering the vehicles speed in each approach. The proposed protocol is based on equidistant distribution of the road side unit and uses the average of speed permitted on the road to evaluate lifetime t of the communication's pseudonyms and certificates. The exchange of information is based on asymmetric and symmetric cryptography scheme and it uses hash function. Our protocol provides authentication, non-repudiation and privacy.
引用
收藏
页码:162 / 167
页数:6
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