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This paper proposes a security framework with strong non-repudiation and privacy using new approach of ID-based cryptosystem in VANETs. To remove the overheads of certificate management in PKI, security frameworks using an ID-based cryptosystem are proposed. These systems, however, cannot guarantee strong non-repudiation and private communication since they suffer from the inherent weakness of an...
In this paper, we study group signature scheme for privacy preservation of a continually transmitting mobile vehicle. A moving vehicle transmits and receives different types of messages on the road. Such communication is a threat to the privacy of a vehicle as its communication can be used to link its identity to its physical entity. The change of size and nature of the neighborhood of a moving vehicle...
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