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It is worth noting that securing group communication in Wireless Sensor Networks (WSNs) has recently been extensively investigated. Although many works have addressed this problem, they have considered the concept of grouping differently. In this paper, we consider a group as being a set of nodes sensing the same type of data and we alternatively propose an efficient secure group communication scheme that enables group management and secure group key distribution. The proposed scheme is based on a logical ring architecture, which permits to alleviate the task of the group controller in maintaining the group key. The proposed scheme also provides backward and forward secrecy, addresses the node compromise attack and gives solution to detect and eliminate the compromised nodes. Finally, our implementation shows that the proposed scheme is highly efficient and secure.
Date of Conference: 8-10 Oct. 2010