Trust enhanced ubiquitous payment without too much privacy loss
Proceedings of the 2004 ACM symposium on Applied computing
Ubiquitous computing environments and its usage access control
InfoScale '06 Proceedings of the 1st international conference on Scalable information systems
Access control management for ubiquitous computing
Future Generation Computer Systems
An authentication architecture dedicated to dependent people in smart environments
ICOST'07 Proceedings of the 5th international conference on Smart homes and health telematics
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Ubiquitous computing promotes physical spaces with hundreds of computational devices extending the user''s view of the computational environment beyond the physical limitations of a traditional distributed system. Gaia OS is a middleware operating system that makes the realization of such spaces a possibility. In any such environment Security and Privacy are primary concerns and mechanisms to solve them have to be built into the very core of the system so that their deployment is acceptable and feasible. In this paper we describe a security architecture for Gaia OS and Active Spaces. Our architecture provides dynamism and flexibility to manage the security concerns in such a computing systems.