Key management scheme based on secret sharing for wireless sensor networks Online publication date: Wed, 01-Apr-2015
by Chunying Wu; Shundong Li; Yiying Zhang
International Journal of Information and Communication Technology (IJICT), Vol. 7, No. 2/3, 2015
Abstract: Wireless sensor networks (WSNs) easily suffer various attacks because of its vulnerable environment, limited recourse and open communication channel. So the security of the key distribution and management in wireless sensor networks is the key challenge for its wide applications, we propose a key management based on secret sharing (KMSS) scheme. KMSS is based on logarithm discrete assumption in elliptic curve and secret sharing, which cannot only efficiently protect the whole network security but also extend survivability. Compared to previous works, the KMSS distribution keys cannot only resist a certain amount of compromised node attack but also keep elasticity of the nodes in one cluster. The KMSS provides different levels of various session keys for communication. The KMSS dynamically generates different keys based on different polynomials from BS which can reduce the high probability of the common keys. The security analysis shows the KMSS can prevent collusion attacks effectively and reduce the energy consumption.
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