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An ID-based Framework Achieving Privacy and Non-Repudiation in Vehicular Ad Hoc Networks

Jinyuan Sun,Chi Zhang,Yuguang Fang

Published 2007 in IEEE Military Communications Conference

ABSTRACT

Security requirements should be integrated into the design of vehicular ad hoc networks (VANETs), which bear unique features like road-safety and life-critical message dissemination. In this paper, we propose a security framework for VANETs to achieve privacy desired by vehicles and non-repudiation required by authorities, in addition to satisfying fundamental security requirements including authentication, message integrity and confidentiality. The proposed framework employs an ID-based cryptosystem where certificates are not needed for authentication. It increases the communication efficiency for VANET applications where the real-time constraint on message delivery should be guaranteed. We also briefly review the requirements for VANET security and verify the fulfillment of our proposed framework against these requirements.

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