Diffie-Hellman key distribution extended to group communication
CCS '96 Proceedings of the 3rd ACM conference on Computer and communications security
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)
Simple and fault-tolerant key agreement for dynamic collaborative groups
Proceedings of the 7th ACM conference on Computer and communications security
Scalable multicast security with dynamic recipient groups
ACM Transactions on Information and System Security (TISSEC)
A secure multicast protocol for the internet's multicast backbone
International Journal of Network Management
A secure multicast protocol with copyright protection
ACM SIGCOMM Computer Communication Review
On Key Agreement and Conference Key Agreement
ACISP '97 Proceedings of the Second Australasian Conference on Information Security and Privacy
A Dual Encryption Protocol for Scalable Secure Multicasting
ISCC '99 Proceedings of the The Fourth IEEE Symposium on Computers and Communications
Kronos: A Scalable Group Re-Keying Approach for Secure Multicast
SP '00 Proceedings of the 2000 IEEE Symposium on Security and Privacy
A survey of key management for secure group communication
ACM Computing Surveys (CSUR)
On the performance of group key agreement protocols
ACM Transactions on Information and System Security (TISSEC)
A Novel High-Order Tree for Secure Multicast Key Management
IEEE Transactions on Computers
Scalable and fault-tolerant key agreement protocol for dynamic groups
International Journal of Network Management
A communication-computation efficient group key algorithm for large and dynamic groups
Computer Networks: The International Journal of Computer and Telecommunications Networking
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The group key management is one of the most crucial problems in group communication. In dynamic and large-scale groups, the overhead of key generating and key updating is usually relevant to the group size, which becomes a performance bottleneck in achieving scalability. Therefore, scalable group key management protocol, which is independent from group size, is the basis for wide applications of group communication. The paper proposes a novel group key management protocol, which designates un-trusted routers over Internet as transmitting nodes to organize a key material transmitting tree for transmitting key material. Members in group that are partitioned into subgroups attach to different transmitting nodes, and compute SEK using received key material and own secret parameter. The overhead of key management can be shared by the transmitting nodes which can not reveal the data of group communications, and the overhead for key management of each transmitting node is independent of the group size. In addition, the new protocol conduces to constant computation and communication overhead during key updating.