Context-Aware access control mechanism for ubiquitous applications

Authors:
Young-Gab Kim;Chang-Joo Mon;Dongwon Jeong;Jeong-Oog Lee;Chee-Yang Song;Doo-Kwon Baik
Affiliations:
Department of Computer Science and Engineering, Korea University, Seoul, Korea;Department of Computer Science, Konkuk University, Chungcheongbuk-do, Korea;Department of Informatics & Statistics, Kunsan National University, Jeolabuk-do, Korea;Department of Computer Science, Konkuk University, Chungcheongbuk-do, Korea;IP Media Service Division, Marketing and Technology Laboratory, Korea Telecom, Seoul, Korea;Department of Computer Science and Engineering, Korea University, Seoul, Korea
Venue:
AWIC'05 Proceedings of the Third international conference on Advances in Web Intelligence
Year:
2005

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Abstract

With a rapid development of ubiquitous computing technology in the home and community, users can access information anytime and anywhere via personal devices such as PDA and internet mobile phone. Similarly, more flexible access control is required in the ubiquitous applications. In this paper, we propose a context-aware access control mechanism, which dynamically grants and adapts permissions to users according to the current context. We extend the role-based access control(RBAC) model to deal with the context information in ubiquitous environment. Unlike the traditional RBAC, the proposed access control mechanism can consider context information such as location, time and system resources by the context-aware agent and state checking matrix(SCM).