A Key Distribution Scheme Based on Public Key Cryptography for Sensor Networks

Authors:
Xiaolong Li;Yaping Lin;Siqing Yang;Yeqing Yi;Jianping Yu;Xinguo Lu
Affiliations:
School of Computer and Communication, Hunan University, Changsha, 410082, China;School of Software, Hunan University, Changsha, 410082, China;Department of Computer, Hunan Institute of, Humanities, Science and Technology, Loudi, 417000, China;School of Computer and Communication, Hunan University, Changsha, 410082, China;School of Computer and Communication, Hunan University, Changsha, 410082, China;School of Computer and Communication, Hunan University, Changsha, 410082, China
Venue:
Computational Intelligence and Security
Year:
2007

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Abstract

This paper takes advantages of symmetrical key and asymmetrical key technologies, and proposes a key distribution scheme based on public key cryptography. This scheme does not need to pre-distribute pair-wise keys. Pair-wise key is established between two nodes after deployment according to a specific route algorithm. The scheme can guarantee there is a direct pair-wise key between two nodes that need communication frequently. As a result, it will decrease communication overhead. Both analytical results and simulation results demonstrate that the scheme can save memory usage, and in the scenario of large and dense deployment, the scheme achieves a higher level of connectivity and robustness.