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For increasing safety of driving, intelligent vehicles in vehicular ad hoc networks (VANETs) communicate with each other by sending announcements. The existence of a system that guarantees the trustworthiness of these announcements seems necessary. The proposed approach generating announcements should be preserved from internal and external attackers that attempt to send fake messages. In this paper,...
Vehicular ad hoc network (VANET) is an emerging type of networks to allow vehicles on roads to communicate for driving safety. An vehicle can broadcast messages (e.g. accident information) to other vehicles. These messages may have impact on other vehicles as well as the traffic control system, so all messages must be signed and authenticated. On the other hand, privacy should be enforced while the...
VANETs have the potential to dramatically increase road safety by giving drivers more time to react adequately to dangerous situations. To prevent abuse of VANETs, a security infrastructure is needed that ensures security requirements like message integrity, confidentiality, and availability. After giving more details on our security infrastructure we discuss privacy issues and especially the problem...
In the not so far future, vehicles are expected to be able to communicate with each other and with the road infrastructure, to enhance driving experience and support road safety, among others. Vehicular ad-hoc networks (VANETs) introduce a number of security challenges to the research community, mainly concerning the tradeoff between the privacy of the drivers and the accountability of misbehaving...
In this paper, we introduce an efficient conditional privacy preservation (ECPP) protocol in vehicular ad hoc networks (VANETs) to address the issue on anonymous authentication for safety messages with authority traceability. The proposed protocol is characterized by the generation of on-the-fly short-time anonymous keys between on-board units (OBUs) and roadside units (RSUs), which can provide fast...
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