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Research Article Open Access
Vehicular Ad-Hoc Networks (VANET) are very likely to be emerged in the coming years. The main objective of this paper is to provide privacy in VANET using shared distributed key management. In shared key management, a short group signature scheme is used to facilitate the revocation of malicious vehicles and heterogeneous security policies. In this framework, road side unit (RSU) acts as the key distributor. A new problem encountered is that a RSU may misbehave. A secure key distribution protocol is used to detect such misbehaved RSUs. The protocol guarantees the traceability of compromised RSUs and malicious vehicles. Moreover, the issue of large computation overhead is also addressed in this paper. A group authentication protocol is proposed to mitigate the communication and computation overhead that occur while using the group signature scheme. Here only a small number of vehicles participate in verification process.
VANET, privacy, shared key management, Road side units, ad-hoc networks, Aerospace Engineering,Applied Electronics,Applied Sciences,Biogenetic Engineering,Biomedical Engineering,Fluid Dynamics.