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In order to detect various kinds of malicious attacks in wireless sensor networks we proposed a Trust Model based intrusion detection scheme which meets the efficient lightweight and flexible property in this paper. It makes use of some nodes with high trust degree to monitor the whole cluster decreasing the huge power consumption and prolonging life of the whole networks. We propose an algorithm...
With initial trust in the system model, a new identity-based distributed key management scheme is proposed. Verifiable secret sharing technology and blind short signatures are applied into this scheme. The scheme is composed of system initialization, update of a node's private key, share refreshing of system private key, discover of malicious node and key revocation. The model with initial trust makes...
Group key agreement protocol is a effective solution to establish a common session key for communication in ad hoc network. But, due to frequent topology structure changes in ad hoc network, the member changing environment in group communication must be considered, besides establishing a common session key. Combined with complete binary tree architecture, this paper proposes a new identity-based group...
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