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As wireless networks become more prevalent, a widening array of computational resources becomes available to the mobile user. Since not all users should have unrestricted access to these resources, a method of access control must be devised. In a context-aware environment, context information can be used to supplement more conventional password-based access control systems. We believe the best way to achieve this is through the use of Context-Aware Role-Based Access Control, a model in which permissions are assigned to entities called roles, each principal is a member of one or more roles, and a role's membership is determined using context information. We designed and implemented RDL (Role-Definition Language), a simple, expressive and somewhat extensible programming language to facilitate the description of roles in terms of context information.
Senior Honors Thesis. Advisor: David Kotz.
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Christopher P. Masone, "Role Definition Language (RDL): A Language to Describe Context-Aware Roles." Dartmouth Computer Science Technical Report TR2002-426, May 2002.
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