TBA: A Hybrid of Logic and Extensional Access Control Systems

Provided by: University of Chester
Topic: Security
Format: PDF
Logical policy-based access control models are greatly expressive and thus provide the flexibility for administrators to represent a wide variety of authorization policies. Extensional access control models, on the other hand, utilize simple data structures to better enable a less trained and non-administrative workforce to participate in the day-to-day operations of the system. In this paper, the authors formally study a hybrid approach, Tag-Based Authorization (TBA), which combines the ease of use of extensional systems while still maintaining a meaningful degree of the expressiveness of logical systems.

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