A Bezier Curve Based Key Management Scheme for Hierarchical Wireless Sensor Networks

Abstract:

In this paper, we propose a novel key management scheme based on Bezier curves for hierarchical wireless sensor networks (WSNs). The design of our scheme is motivated by the idea that a Bezier curve can be subdivided into arbitrarily continuous pieces of sub Bezier curves. The subdivided sub Bezier curves are easily organized to a hierarchical architecture that is similar to hierarchical WSNs. The subdivided Bezier curves are unique and independent from each other so that it is suitable to assign each node in the WSN with a sub Bezier curve. Since a piece of Bezier curve can be presented by its control points, in the proposed key management scheme, the secret keys for each node are selected from the corresponding Bezier curve’s control points. Comparing with existing key management schemes, the proposed scheme is more suitable for distributing secret keys for hierarchical WSNs and more efficient in terms of computational and storage cost.

• Periodical: Applied Mechanics and Materials (Volumes 263-266)
• Pages: 2979-2985
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.263-266.2979
• Online since: December 2012
• Authors: Yong Luo Shen*, Jun Zhang, Di Wei Yang, Lin Bo Luo
• Keywords: Bezier Curve, Key Management, Wireless Sensor Network (WSN)

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