A Cross-Layer Approach to Privacy-Preserving Authentication in WAVE-Enabled VANETs

We present an anonymous authentication and verification scheme for the IEEE Wireless Access in Vehicular Communications (WAVE)-based vehicular ad hoc networks (VANETs). Our contribution includes vehicular message authentication and an efficient prioritized verification strategy for periodic road saf...

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Bibliographic Details
Published in:IEEE transactions on vehicular technology 2013-06, Vol.62 (5), p.2182-2192
Main Authors: Biswas, S., Misic, J.
Format: Article
Language:English
Subjects:
Access categories
Access methods and protocols, osi model
Applied sciences
Authentication
Business and industry local networks
Cryptography
elliptic curve digital signature algorithm (ECDSA)
Elliptic curves
enhanced distributed channel access (EDCA)
Exact sciences and technology
identity-based (ID-based) signature
IEEE 802.11p
Information, signal and communications theory
Networks and services in france and abroad
Public key
Receivers
Safety
Signal and communications theory
Telecommunications
Telecommunications and information theory
Teleprocessing networks. Isdn
Vehicles
Vehicular ad hoc networks
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Summary:We present an anonymous authentication and verification scheme for the IEEE Wireless Access in Vehicular Communications (WAVE)-based vehicular ad hoc networks (VANETs). Our contribution includes vehicular message authentication and an efficient prioritized verification strategy for periodic road safety messages. A variation of elliptic curve digital signature algorithm (ECDSA) is used in combination with the identity-based (ID-based) signature, where current position information on a vehicle is utilized as the ID of the corresponding vehicle. This waives the need for a third-party public key certificate for message authentication in VANETs. A high-density road traffic condition poses a challenge for authentication of vehicular messages since the required verification time is often much longer than the average interarrival time. To mitigate the issue, messages of each traffic class are verified following the VANET's medium access control (MAC) layer priorities and the application relevance of individual safety messages. Performance analysis and simulation results have shown that our approach is secure, privacy preserving, scalable, and resource efficient.
ISSN:0018-9545
1939-9359
DOI:10.1109/TVT.2013.2238566