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In all the security issues in wireless sensor networks (WSNs), session key exchange is fundamental one with a great challenge. Owning to the semi-group property and one-way trapped characteristic of Chebyshev polynomials, an enhanced key exchange scheme based on Chebyshev chaotic map for WSNs was proposed in this paper. Our scheme aims at increasing the security of the session key between nodes. According...
In this work, we design and demonstrate the feasibility of an innovative reputation-based framework rooted in rigorous statistical theory and belief theory to characterize the trustworthiness of individual nodes in a wireless sensor network (WSN). The resulting mechanism allows the detection of compromised nodes as well as misbehaving nodes. Moreover, trusted querying is enabled by filtering out ldquountrustworthy...
In this paper, we put forward a model of multi-agent based on intrusion detection system for wireless sensor networks, and a new method of detection called refined clustering, which is suggested running on some agents. In this new method we use self-organizing map (SOM) neural network to cluster roughly the samples, and the next step the K-means clustering algorithm is adopted to refine the clustering...
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