A privacy-preserving mutual authentication scheme for group communication in VANET

被引:15
|
作者
Nath, Himun Jyoti [1 ]
Choudhury, Hiten [1 ]
机构
[1] Cotton Univ, Dept Comp Sci & IT, Gauhati, Assam, India
关键词
Vehicular Ad-Hoc Network (VANET); Security; Privacy; Authentication; Pseudonym; Group communication; Conditional privacy; Elliptic curve cryptography; KEY MANAGEMENT; SECURE; PROTOCOL; TRUST;
D O I
10.1016/j.comcom.2022.06.024
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
A Vehicular Ad-Hoc Network (VANET) represents a collection of vehicles that communicate among themselves and the road infrastructure for exchange of information through a wireless network. It provides services like road safety, infotainment, optimized traffic flow, location-based services and other on-demand services. However, due to its intrinsic ad-hoc nature, there are several challenges in the deployment of VANETs. One such challenging issue is ensuring security and privacy of the exchanged messages. Therefore, it is important that the vehicles are properly authenticated and necessary security associations are properly established. Most of the recent works in this area sends plain text messages while communicating, that results in compromise of message confidentiality. Moreover, in majority of these works, an active communication with a trusted authority is required during authentication that results in increased communication latency. This paper puts forward a privacy preserving mutual authentication scheme for group communication in VANET that does not require an active communication with a trusted authority. Furthermore, the proposed scheme use pseudonym for identity privacy and the messages exchanged in the scheme are encrypted before transmission. Formal and informal security analysis shows that the proposed scheme is robust against various security attacks. Through a performance analysis, the scheme is found to be efficient.
引用
收藏
页码:357 / 372
页数:16
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