Challenges in Location-Aware Computing
IEEE Pervasive Computing
Generalized Role-Based Access Control
ICDCS '01 Proceedings of the The 21st International Conference on Distributed Computing Systems
Survey on location authentication protocols and spatial-temporal attestation services
EUC'05 Proceedings of the 2005 international conference on Embedded and Ubiquitous Computing
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The recent development of location-based services has originated a set of new security services that address their particular security problems. Spatial-temporal certification services are among these new services. They have as main goal the generation of evidences about an entity's spatial-temporal information and, in general, their life-cycle support. Currently there is still a lack of a general framework for spatialtemporal certification services. In this work it is presented such a framework and an extension of the X.509 attribute certificate framework and the SAML standard to represent spatial-temporal certificates.