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Issue No. 02 - Feb. (2013 vol. 24)
ISSN: 1045-9219
pp: 239-249
Wei Liu , Tohoku University, Sendai
Hiroki Nishiyama , Tohoku University, Sendai
Nirwan Ansari , New Jersey Institute of Technology, Newark
Jie Yang , Beijing University of Posts and Telecommunications, Beijing
Nei Kato , Tohoku University, Sendai
Mobile ad hoc networks (MANETs) have attracted much attention due to their mobility and ease of deployment. However, the wireless and dynamic natures render them more vulnerable to various types of security attacks than the wired networks. The major challenge is to guarantee secure network services. To meet this challenge, certificate revocation is an important integral component to secure network communications. In this paper, we focus on the issue of certificate revocation to isolate attackers from further participating in network activities. For quick and accurate certificate revocation, we propose the Cluster-based Certificate Revocation with Vindication Capability (CCRVC) scheme. In particular, to improve the reliability of the scheme, we recover the warned nodes to take part in the certificate revocation process; to enhance the accuracy, we propose the threshold-based mechanism to assess and vindicate warned nodes as legitimate nodes or not, before recovering them. The performances of our scheme are evaluated by both numerical and simulation analysis. Extensive results demonstrate that the proposed certificate revocation scheme is effective and efficient to guarantee secure communications in mobile ad hoc networks.
Reliability, Mobile computing, Security, Accuracy, Cogeneration, Mobile ad hoc networks, threshold, Mobile ad hoc networks (MANETs), certificate revocation, security

J. Yang, N. Ansari, H. Nishiyama, W. Liu and N. Kato, "Cluster-Based Certificate Revocation with Vindication Capability for Mobile Ad Hoc Networks," in IEEE Transactions on Parallel & Distributed Systems, vol. 24, no. , pp. 239-249, 2013.
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