A Random Key Management Scheme for Wireless Sensor Networks

Authors:
Qing Yang;Qiaoliang Li;Xiaoming Wang;Naixue Xiong;Yi Pan
Affiliations:
School of Computer Science and Communication, Hunan University, Changsha, China 410082;School of Computer Science and Communication, Hunan University, Changsha, China 410082 and Department of Computer Science, Georgia State University, Atlanta, USA 30319;School of Computer Science, Shanxi Normal University, Xi'an, China 710062 and Department of Computer Science, Georgia State University, Atlanta, USA 30319;Department of Computer Science, Georgia State University, Atlanta, USA 30319;Department of Computer Science, Georgia State University, Atlanta, USA 30319
Venue:
WASA '08 Proceedings of the Third International Conference on Wireless Algorithms, Systems, and Applications
Year:
2008

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Abstract

The establishment of shared keys between communicating neighbor nodes in wireless sensor networks is a challenge due to resource-constrained sensor networks. Several key pre-distribution schemes have been proposed in literatures to establish pairwise keys between sensor nodes. However, many of them are either too complicated to fit for wireless sensor networks or insecure for some common aggressions. In this paper, we propose a random key management scheme based on random key pre-distribution for wireless sensor networks. To achieve better performance and security, the proposed scheme employs two different phases to establish enhanced pairwise keys between neighboring nodes. Compared with other existing random key pre-distribution schemes, our scheme has better resilience against node capture and also performs better in terms of network connectivity and scalability with appropriate memory, computation and communication overheads.