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Erschienen in:
2006 | OriginalPaper | Buchkapitel
Distributed Processing of Context-Aware Authorization in Ubiquitous Computing Environments
verfasst von : Young-Chul Shim
Erschienen in: Computational Science and Its Applications - ICCSA 2006
Verlag: Springer Berlin Heidelberg
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Context-awareness and security are critical issues in ubiquitous computing. In this paper we present a framework for context-aware authorization in ubiquitous computing environments. We present an architecture consisting of authorization infrastructure and context infrastructure. The context infrastructure provides context information and the authorization infrastructure makes decisions to grant access rights based on context-aware authorization policies and context information. This paper also describes how multiple nodes in distributed environments cooperate to perform evaluation and detection of context constraints and events included in authorization policies.