Lightweight authentication for recovery in wireless sensor networks
Li, Bai, Batten, Lynn and Doss, Robin 2009, Lightweight authentication for recovery in wireless sensor networks, in MSN 2009 : Proceedings of the 5th International Conference on Mobile Ad-hoc and Sensor Networks, IEEE Computer Society, Piscataway, N. J., pp. 465-471.
Wireless sensor networks (WSNs) suffer from a wide range of security attacks due to their limited processing and energy capabilities. Their use in numerous mission critical applications, however, requires that fast recovery from such attacks be achieved. Much research has been completed on detection of security attacks, while very little attention has been paid to recovery from an attack. In this paper, we propose a novel, lightweight authentication protocol that can secure network and node recovery operations such as re-clustering and reprogramming. Our protocol is based on hash functions and we compare the performance of two well-known lightweight hash functions, SHA-1 and Rabin. We demonstrate that our authentication protocol can be implemented efficiently on a sensor network test-bed with TelosB motes. Further, our experimental results show that our protocol is efficient both in terms of computational overhead and execution times which makes it suitable for low resourced sensor devices.
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