A Route map for Detecting Sybil Attacks in Urban Vehicular Networks
Journal Title: International Journal of Modern Engineering Research (IJMER) - Year 2013, Vol 3, Issue 2
Abstract
Abstract: Security is important for many sensor network applications. A particularly harmful attack against sensor and ad hoc networks is known as the Sybil attack, where a node illegitimately claims multiple identities. In urban vehicular networks, the location privacy of anonymous vehicles is highly concerned and anonymous verification of vehicles is indispensable. Consequently, an attacker who succeeds in forging multiple hostile identifies can easily launch a Sybil attack, gaining excessively large influence. In Vehicular Ad Hoc Networks (VANETs), the vehicular scenario requires smart signaling, smart road maintenance and other services. A brand new security issue is that the semi-trusted Road Side Units (RSUs) may be compromised. The objective of our work is to propose a Threshold ElGamal system based key management scheme for safeguarding VANET from the compromised RSUs and their collusion with the malicious vehicles. By analyzing the packet loss tolerance for security performance demonstration, followed by a discussion on the threshold our method can promote security with low overhead in Emergency Braking Notification and does not increase overhead in and Decentralized Floating Car Data during security promotion.
Authors and Affiliations
V. Geetha Devi
Keywords
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