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Key management is one of the most challenging security issues in wireless sensor networks where sensor nodes are randomly deployed in a hostile territory However, due to the resource constraints, achieving such key agreement in wireless sensor networks is nontrivial. Many key agreement schemes used in general networks, such as Diffie-Hellman and public-key-based schemes, are not suitable for wireless...
Location information has been found useful in the design of key predistribution schemes in wireless sensor networks (WSNs). In this paper, a novel key management scheme based on location is proposed to enhance the security of the wireless sensor networks. We get the idea from the previous location-based key (LBK) scheme but here the location of a sensor node is described by its neighbors' logical...
Self-healing key distribution enables users in a large and dynamic group to establish session keys for secure group communication over an unreliable network. The main property of self-healing key distribution is that the users are capable of recovering lost session keys on their own, without requesting additional transmissions from the group manager. In this paper, we propose an efficient self-healing...
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