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
Scalable multicast security in dynamic groups
CCS '99 Proceedings of the 6th ACM conference on Computer and communications security
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
Communications of the ACM
Distributed Collaborative Key Agreement Protocols for Dynamic Peer Groups
ICNP '02 Proceedings of the 10th IEEE International Conference on Network Protocols
Communication-Efficient Group Key Agreement
IFIP/Sec '01 Proceedings of the IFIP TC11 Sixteenth Annual Working Conference on Information Security: Trusted Information: The New Decade Challenge
Efficient and Secure Conference-Key Distribution
Proceedings of the International Workshop on Security Protocols
Key Establishment in Large Dynamic Groups Using One-Way Function Trees
IEEE Transactions on Software Engineering
A Dual Encryption Protocol for Scalable Secure Multicasting
ISCC '99 Proceedings of the The Fourth IEEE Symposium on Computers and Communications
A survey of key management for secure group communication
ACM Computing Surveys (CSUR)
An Efficient Key Management Algorithm for Hierarchical Group Communication
SECURECOMM '05 Proceedings of the First International Conference on Security and Privacy for Emerging Areas in Communications Networks
Multi-layer key management for secure multimedia multicast communications
ICME '03 Proceedings of the 2003 International Conference on Multimedia and Expo - Volume 1
Efficient communication-storage tradeoffs for multicast encryption
EUROCRYPT'99 Proceedings of the 17th international conference on Theory and application of cryptographic techniques
The VersaKey framework: versatile group key management
IEEE Journal on Selected Areas in Communications
Key management schemes for multilayer and multiple simultaneous secure group communication
ISRN Communications and Networking
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Secure group communication plays an important role for applications like scientific discussions, project management, teleconferencing, pay-per-view. Secure group communication involves confidential message delivery between authorized users. Applications like scientific discussion and project management may lead to a scenario in which it is necessary to set up multiple secure groups simultaneously and few members may be part of several secure groups (there may exist overlapped membership). Hence each independent group should have its own group key. Managing group keys for simultaneous secure groups is a critical issue. So far in the literature only a single group communication scenario is considered. In this paper we consider multiple simultaneous secure groups and propose a key management scheme for managing multiple groups. We use a combination of key-based and secret share-based approach for managing tbe keys and show that it is possible for members belonging to two or more groups to derive tbe group keys with less storage. We also handle membership change events and provide autbentication for such multiple secure groups.