Key Agreement in Dynamic Peer Groups
IEEE Transactions on Parallel and Distributed Systems
The quest for security in mobile ad hoc networks
MobiHoc '01 Proceedings of the 2nd ACM international symposium on Mobile ad hoc networking & computing
Providing Robust and Ubiquitous Security Support for Mobile Ad Hoc Networks
ICNP '01 Proceedings of the Ninth International Conference on Network Protocols
Ad hoc Networking
IEEE Network: The Magazine of Global Internetworking
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Recently there have been a noticeable growth of ad-hoc environments with peer-to-peer relations. Such environments decentralize the services in order to share their cost between their members. As a result, a decentralized security scheme for the group members must be also provided. Group Key Management (GKM) deals with the responsibility of providing privacy and group authentication in group communications, but until now it is based either in centralized solutions, useless for peer-to-peer groups, or in contributory key schemes, that require a known group size. We propose a GKM algorithm targeted to ad-hoc environments that it is decentralized and allows members to only know their one-hop neighbors. Moreover our presented algorithm can deal with the potential mobility of the ad-hoc devices.