Integrating presence inference into trust management for ubiquitous systems

Authors:
Jun Noda;Mie Takahashi;Itaru Hosomi;Hisashi Mouri;Yoshiaki Takata;Hiroyuki Seki
Affiliations:
NEC Corporation, Ikoma, Nara, Japan;NEC Corporation, Ikoma, Nara, Japan;NEC Corporation, Ikoma, Nara, Japan;Nara Institute of Science and Technology, Ikoma, Nara, Japan;Nara Institute of Science and Technology, Ikoma, Nara, Japan;Nara Institute of Science and Technology, Ikoma, Nara, Japan
Venue:
Proceedings of the eleventh ACM symposium on Access control models and technologies
Year:
2006

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Abstract

We propose a new architecture for trust management in ubiquitous environments that deals with RBAC policy, digital signatures, and user presence in a uniform framework. The proposed architecture includes inferences about user presence from incomplete sensor signals based on the hidden Markov model. We implemented a prototype system for a connection service in an office computer network with an RFID tag sensor system.Experimental results show that the proposed architecture is effective in providing both useful and secure services in a ubiquitous environment.