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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...
The road to a successful introduction of vehicular communications has to pass through the analysis of potential security threats and the design of robust security architecture able to cope with these threats. Ad hoc networks are a new wireless networking paradigm for mobile hosts. In this paper, we designed a framework of intelligent transport system. The main task of the road condition information...
Communication facilities for vehicles became more and more important over the last years. Most time this involves the usage of wireless technologies for communication between vehicles, between vehicles and the roadside, as well as between the vehicle and systems reachable via Wide Area Networks (WANs) such as the Internet. This paper discusses how Internet technologies can be used for supporting the...
The group signature based security scheme is a promising approach to provision privacy in vehicular ad hoc networks (VANETs). In this paper, we propose a novel distributed key management scheme for group signature based VANETs, which is expected to considerably facilitate the revocation of malicious vehicles, location privacy protection, heterogenous security policies, and maintenance of the system,...
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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