Secure Broadcasting Using the Secure Lock
IEEE Transactions on Software Engineering
CRYPTO '93 Proceedings of the 13th annual international cryptology conference on Advances in cryptology
Iolus: a framework for scalable secure multicasting
SIGCOMM '97 Proceedings of the ACM SIGCOMM '97 conference on Applications, technologies, architectures, and protocols for computer communication
Secure group communications using key graphs
IEEE/ACM Transactions on Networking (TON)
Efficient Security for Large and Dynamic Multicast Groups
WETICE '98 Proceedings of the 7th Workshop on Enabling Technologies: Infrastructure for Collaborative Enterprises
The VersaKey framework: versatile group key management
IEEE Journal on Selected Areas in Communications
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Multicast is an internetwork service that provides efficient delivery of packets from a single source to multiple recipients. When there are large number of members in the group, security and scalability problems arise and an attempt to solve this, gives rise to additional computational complexities at the server. A model is said to be highly efficient if only it has less computational complexity at the server for all membership events and highly secure only when it requires large number of computations to successfully break the multicast model. In this paper, the computational complexities are determined and analyzed for different multicast models. Theoretical evaluation and experimental results prove that for all the membership events, the recently proposed multicast model named LeaSel [3] has computational complexity of O(NSG) when compared to other models which has computational complexity of O(N), where N ≫ NSG. It is also shown that to successfully break LeaSel, the computational complexity is O(SaN) when compared to other models whose computational complexity is O(Sn).