A hierarchical composition of LU matrix-based key distribution scheme for sensor networks

Authors:
Mi Wen;Yanfei Zheng;Hui Li;Kefei Chen
Affiliations:
Department of Computer Science and Engineering, Shanghai Jiao Tong University, Shanghai, China, P.R.C.;Department of Computer Science and Engineering, Shanghai Jiao Tong University, Shanghai, China, P.R.C.;Department of Computer Science and Engineering, Shanghai Jiao Tong University, Shanghai, China, P.R.C.;Department of Computer Science and Engineering, Shanghai Jiao Tong University, Shanghai, China, P.R.C.
Venue:
PAKDD'07 Proceedings of the 2007 international conference on Emerging technologies in knowledge discovery and data mining
Year:
2007

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Abstract

Key pre-distribution techniques for sensing data security provision of wireless sensor networks (WSNs) have attracted much more attention and been studied extensively. But most of these schemes are not scalable due to their linearly increased communication and key storage overhead. Furthermore, existing protocols cannot provide sufficient security when the number of compromised nodes exceeds a critical value. To address these limitations, we propose a hierarchical composition of LU matrix-based key distribution scheme for sensor networks. Our scheme guarantees that two communicating parties can establish a unique pairwise key between them and allows mutual authentication. Compared with existing protocols, our scheme has better performance in terms of network resilience, associated overhead and scalability.