Representation and reasoning on RBAC: a description logic approach

  • Authors:
  • Chen Zhao;Nuermaimaiti Heilili;Shengping Liu;Zuoquan Lin

  • Affiliations:
  • LMAM, Department of Informatics, School of Math., Peking University, Beijing, China;LMAM, Department of Informatics, School of Math., Peking University, Beijing, China;LMAM, Department of Informatics, School of Math., Peking University, Beijing, China;LMAM, Department of Informatics, School of Math., Peking University, Beijing, China

  • Venue:
  • ICTAC'05 Proceedings of the Second international conference on Theoretical Aspects of Computing
  • Year:
  • 2005

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Abstract

Role-based access control (RBAC) is recognized as an excellent model for access control in large-scale networked applications. Formalization of RBAC in a logical approach makes it feasible to reason about a specified policy and verify its correctness. We propose a formalization of RBAC by the description logic language $\mathcal{ALCQ}$. We also show that the RBAC constraints can be captured by $\mathcal{ALCQ}$. Furthermore, we demonstrate how to make access control decision, perform the RBAC functions as well as check the consistency of RBAC via the description logic reasoner RACER.