Secure group communications using key graphs
IEEE/ACM Transactions on Networking (TON)
Encryption and Secure Computer Networks
ACM Computing Surveys (CSUR)
SPINS: security protocols for sensor networks
Wireless Networks
Wireless sensor networks: a survey
Computer Networks: The International Journal of Computer and Telecommunications Networking
A key-management scheme for distributed sensor networks
Proceedings of the 9th ACM conference on Computer and communications security
A Dual Encryption Protocol for Scalable Secure Multicasting
ISCC '99 Proceedings of the The Fourth IEEE Symposium on Computers and Communications
Secure Group Communications Using Key Graphs
Secure Group Communications Using Key Graphs
Security in wireless sensor networks
Communications of the ACM - Wireless sensor networks
Distributed Hashing for Scalable Multicast in Wireless Ad Hoc Networks
IEEE Transactions on Parallel and Distributed Systems
Hierarchical geographic multicast routing for wireless sensor networks
Wireless Networks
The VersaKey framework: versatile group key management
IEEE Journal on Selected Areas in Communications
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Wireless Sensor Networks consist of several autonomous sensors deployed in a distributed fashion for different purposes like that of wildlife tracing, detection of intruders, environment monitoring etc. Efficient multicast is necessary to scale down the exchange of messages for group communication in sensor networks. However incorporating security in wireless sensor group communication is a huge challenge because of the limited resource availability. In this paper, a decentralized rekeying mechanism based on Logical Key Hierarchy is proposed to secure the efficient Hierarchical Geographic Multicast Routing without affecting its actual performance. The proposed protocol, Secure Hierarchical Geographic Multicast Routing (SHGMR) meets all the security requirements necessary for any kind of secure group communication. This protocol is also efficient in terms of scalability as it uses only O(log2nmax) message transmissions, where nmax is the size of the largest subgroup among all the HGMR cells.