Hash-Chain Improvement of Key Predistribution Schemes Based on Transversal Designs

Qiang GAO; Wenping MA; Wei LUO; Feifei ZHAO

doi:10.1587/transfun.E101.A.157

Special Section on Cryptography and Information Security

Hash-Chain Improvement of Key Predistribution Schemes Based on Transversal Designs

Qiang GAO, Wenping MA, Wei LUO, Feifei ZHAO

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Keywords: key predistribution, wireless sensor network, combinatorial design, hash chain, transversal design

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2018 Volume E101.A Issue 1 Pages 157-159

DOI https://doi.org/10.1587/transfun.E101.A.157

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Abstract

Key predistribution schemes (KPSs) have played an important role in security of wireless sensor networks (WSNs). Due to comprehensive and simple structures, various types of combinatorial designs are used to construct KPSs. In general, compared to random KPSs, combinatorial KPSs have higher local connectivity but lower resilience against a node capture attack. In this paper, we apply two methods based on hash chains on KPSs based on transversal designs (TDs) to improve the resilience and the expressions for the metrics of the resulting schemes are derived.

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