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In Vehicular ad hoc networks, security and privacy are the major concerns. A single point of failure may cause great havoc in the network for safety related applications. In this paper, we analyse the recent trends in authentication and privacy preservation based on the signature size, verification time and anonymity. Our investigation shows that the id based signatures are suitable for VANET based...
As the application of computer technology continues to proliferate and diversify, vehicles are becoming increasingly intelligent and it is expected that in the near future they will be equipped with radio interfaces for short range communications. This will enable the formation of vehicular networks, commonly referred to as VANETs, an instance of mobile ad hoc networks with vehicles as mobile nodes...
Message authentication, to ensure the receiving message is true and coming from the claimed source, is a key issue in vehicular ad hoc network (VANET) because the message may be life-critical, traffic information, or emergence message transmitted by the strange sources. Due to the nature of realtime and high mobility in VANET message, the traditional PKI security schemes are not suitable for VANET...
Vehicular Ad Hoc network (VANET) can offer various services and benefits to VANET users and thus deserves deployment effort. Misusing such network could cause destructive consequences. It is therefore necessary to discourage misbehavior and defend VANET systems against it, in order to ensure correct and smooth operations of the network. In this paper, we propose a defense technique to handle misbehavior...
This paper investigates the key elements for a scalable solution of authentication, authorization, and accounting for service delivery in vehicular networks. Different approaches were studied to identify their advantages and disadvantages according to main evaluation parameters, two of which are scalability and latency. Upcoming research efforts need to address these elements to provide an appropriate...
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