Abstract
With the growing interest in ubiquitous applications, attention should be given to privacy and trust issues. Since these environments are quite dynamic, and interactive where devices possess low computing resources, new trust models are required that suit this environment and help overcome its limitations. In this paper, the authors explore the possibility to settle trust in an adaptive way prior to any information disclosure to enable adaptive privacy and security. The proposed model is simulated in a commercial cluster scenario where users can clear all their payments with their short-range ubiquitous devices. In this domain, the authors assume that the user has to rely on what they call payment disclosure service (PDS) to control his or her disclosure decisions. The proposed model respects the limitations of wireless devices such as limited connectivity and processing resources, while enabling autonomous and secure operations.
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