Secure group communications using key graphs
IEEE/ACM Transactions on Networking (TON)
The Cricket location-support system
MobiCom '00 Proceedings of the 6th annual international conference on Mobile computing and networking
Reliable group rekeying: a performance analysis
Proceedings of the 2001 conference on Applications, technologies, architectures, and protocols for computer communications
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Proceedings of the 3rd ACM international symposium on Mobile ad hoc networking & computing
Wireless Communications: Principles and Practice
Wireless Communications: Principles and Practice
Minimum-energy broadcast in all-wireless networks: NP-completeness and distribution issues
Proceedings of the 8th annual international conference on Mobile computing and networking
The Resurrecting Duckling: Security Issues for Ad-hoc Wireless Networks
Proceedings of the 7th International Workshop on Security Protocols
Self-Organized Public-Key Management for Mobile Ad Hoc Networks
IEEE Transactions on Mobile Computing
A Scalable Location Management Scheme in Mobile Ad-Hoc Networks
LCN '01 Proceedings of the 26th Annual IEEE Conference on Local Computer Networks
ELK, a New Protocol for Efficient Large-Group Key Distribution
SP '01 Proceedings of the 2001 IEEE Symposium on Security and Privacy
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WiSe '03 Proceedings of the 2nd ACM workshop on Wireless security
Secure multicast groups on ad hoc networks
Proceedings of the 1st ACM workshop on Security of ad hoc and sensor networks
IEEE Network: The Magazine of Global Internetworking
On the security of group communication schemes based on symmetric key cryptosystems
Proceedings of the 3rd ACM workshop on Security of ad hoc and sensor networks
On the security of group communication schemes
Journal of Computer Security - Special Issue on Security of Ad-hoc and Sensor Networks
Energy and bandwidth-efficient key distribution in wireless ad hoc networks: a cross-layer approach
IEEE/ACM Transactions on Networking (TON)
Bandwidth efficient key distribution for secure multicast in dynamic wireless mesh networks
WCNC'09 Proceedings of the 2009 IEEE conference on Wireless Communications & Networking Conference
Key-update distribution in secure group communication
Computer Communications
Adaptive multicast key management for tactical networks
MILCOM'06 Proceedings of the 2006 IEEE conference on Military communications
A lightweight group-key management protocol for secure ad-hoc-network routing
Computer Networks: The International Journal of Computer and Telecommunications Networking
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As group-oriented services become the focal point of ad hoc network applications, securing the group communications becomes a default requirement. In this paper, we address the problem of group access in secure multicast communications for wireless ad hoc networks. We argue that energy expenditure is a scarce resource for the energy-limited ad hoc network devices and introduce a cross-layer approach for designing energy-efficient, balanced key distribution trees to perform key management. To conserve energy, we incorporate the network topology (node location), the "power proximity" between network nodes and the path loss characteristics of the medium in the key distribution tree design. We develop new algorithms for homogeneous as well as heterogeneous environments and derive their computational complexity. We present simulation studies showing the improvements achieved for three different but common environments of interest, thus illustrating the need for cross-layer design approaches for security in wireless networks.