Secure Broadcasting Using the Secure Lock
IEEE Transactions on Software Engineering
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
Proceedings of the ACM SIGCOMM '98 conference on Applications, technologies, architectures, and protocols for computer communication
Reliable group rekeying: a performance analysis
Proceedings of the 2001 conference on Applications, technologies, architectures, and protocols for computer communications
ELK, a New Protocol for Efficient Large-Group Key Distribution
SP '01 Proceedings of the 2001 IEEE Symposium on Security and Privacy
A survey of key management for secure group communication
ACM Computing Surveys (CSUR)
Protocol design for scalable and reliable group rekeying
IEEE/ACM Transactions on Networking (TON)
Efficient Group Key Management Protocol with One-Way Key Derivation
LCN '05 Proceedings of the The IEEE Conference on Local Computer Networks 30th Anniversary
Key distribution for secure multimedia multicasts via data embedding
ICASSP '01 Proceedings of the Acoustics, Speech, and Signal Processing, 2001. on IEEE International Conference - Volume 03
The VersaKey framework: versatile group key management
IEEE Journal on Selected Areas in Communications
Scalable secure group communication over IP multicast
IEEE Journal on Selected Areas in Communications
Key hierarchies for hierarchical access control in secure group communications
Computer Networks: The International Journal of Computer and Telecommunications Networking
A tree key graph design scheme for hierarchical multi-group access control
IEEE Communications Letters
Non-split balancing higher order tree for multi-privileged groups
WSEAS TRANSACTIONS on COMMUNICATIONS
Balanced key tree management for multi-privileged groups using (N, T) policy
Security and Communication Networks
A scalable encryption scheme for multi-privileged group communications
The Journal of Supercomputing
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Multi-privileged group communications containing multiple data streams have been studied in the traditional wired network environment and the Internet. With the rapid development of mobile and wireless networks and in particular mobile ad-hoc networks (MANETs), the traditional Internet has been integrated with mobile and wireless networks to form the mobile Internet. The multi-privileged group communications can be applied to the mobile Internet. Group users can subscribe to different data streams according to their interest and have multiple access privileges with the support of multi-privileged group communications. Security is relatively easy to be guaranteed in traditional groups where all group members have the same privilege. On the other hand, security has been a challenging issue and is very difficult to handle in multi-privileged groups. In this paper, we first introduce some existing rekeying schemes for secure multi-privileged group communications and analyze their advantages and disadvantages. Then, we propose an efficient group key management scheme called ID-based Hierarchical Key Graph Scheme (IDHKGS) for secure multi-privileged group communications. The proposed scheme employs a key graph, on which each node is assigned a unique ID according to access relations between nodes. When a user joins/leaves the group or changes its access privileges, other users in the group can deduce the new keys using one-way function by themselves according to the ID of joining/leaving/changing node on the graph, and thus the proposed scheme can greatly reduce the rekeying overhead.