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Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: IResearch Article Secure and Efficient Protocol for Vehicular Ad Hoc Network with Privacy Preservation | Hindawi Publishing Corporation EURASIP Journal on Wireless Communications and Networking Volume 2011 Article ID 716794 15 pages doi 10.1155 2011 716794 Research Article Secure and Efficient Protocol for Vehicular Ad Hoc Network with Privacy Preservation Hyoung-Kee Choi In-Hwan Kim and Jae-Chern Yoo School of Information and Communication Engineering Sungkyunkwan University Seoul 110-745 Republic of Korea Correspondence should be addressed to Jae-Chern Yoo yoojc@skku.edu Received 8 June 2010 Revised 18 August 2010 Accepted 15 September 2010 Academic Editor Damien Sauveron Copyright 2011 Hyoung-Kee Choi et al. This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Security is a fundamental issue for promising applications in a VANET. Designing a secure protocol for a VANET that accommodates efficiency privacy and traceability is difficult because of the contradictions between these qualities. In this paper we present a secure yet efficient protocol for a VANET that satisfies these security requirements. Although much research has attempted to address similar issues we contend that our proposed protocol outperforms other proposals that have been advanced. This claim is based on observations that show that the proposed protocol has such strengths as light computational load efficient storage management and dependability. 1. Introduction We are evolving into a society with nearly constant access to the Internet and its vast wealth of information. The key driver of this evolution has been the desire for data sharing through opportunistic contacts in collaborative networks. In this opportunistic environment the always-on assumption is relaxed by allowing data transport even in the absence of a contemporaneous end-to-end path between the source and the destination. This paradigm is a radical departure from the .
