Secure Spaces: Protecting Freedom of Information Access in Public Places

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In public places, information can be accessed by its unauthorized users, while we are sometimes forced to access our unwanted information unexpectedly. We have introduced the concept of Secure Spaces, physical environments where any information is always protected from its unauthorized users, and have proposed a content-based entry control model and an architecture for Secure Spaces which protect their contents’ freedom of information delivery but do not protect their visitors’ freedom of information access. This paper aims at building truly Secure Spaces which protect both freedoms and enhances our proposed model.