IEEE Intelligent Systems
Multiple personal security domains
Proceedings of the 2006 international conference on Wireless communications and mobile computing
Establishment of Ad-Hoc Communities through Policy-Based Cryptography
Electronic Notes in Theoretical Computer Science (ENTCS)
Towards the architecture of managed dynamic virtual organisations for e-business communities
International Journal of Web Based Communities
A Role-Based Infrastructure for the Management of Dynamic Communities
AIMS '08 Proceedings of the 2nd international conference on Autonomous Infrastructure, Management and Security: Resilient Networks and Services
An efficient access control model for mobile ad-hoc communities
SPC'05 Proceedings of the Second international conference on Security in Pervasive Computing
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Ad-hoc networks are perceived as communities of autonomous devices that interconnect with each other. Typically, they have dynamic topologies and cannot rely on a continuous connection to the Internet. Users' devices often do not have a priori knowledge of each other and cannot rely upon pre-existing shared information. This introduces difficult security issues when attempting to provide authentication, membership management and access control. Designing a framework which allows the secure establishment and management of ad-hoc communities remains a significant challenge. In this paper, we propose a novel policy-based security framework to facilitate the establishment, evolution and management of mobile ad-hoc networks. We introduce a community specification, called doctrine, which defines the roles of the participants in the community, the characteristics that participants must exhibit in order to be eligible to play a role, as well as the policies governing their behaviour within the community. Based on the doctrine, we propose a set of security protocols to bootstrap the community, manage the membership, and govern the access to the services provided by the participants. We have investigated the impact of mobility on the proposed security protocols and observed that the protocol is robust to changes in the network topology.