The complexity of discretionary access control

  • Authors:
  • Stephen Dranger;Robert H. Sloan;Jon A. Solworth

  • Affiliations:
  • Dept. of Computer Science, University of Illinois at Chicago;Dept. of Computer Science, University of Illinois at Chicago;Dept. of Computer Science, University of Illinois at Chicago

  • Venue:
  • IWSEC'06 Proceedings of the 1st international conference on Security
  • Year:
  • 2006

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Abstract

A recent paper presented an access control scheme for discretionary access controls with a decidable safety problem. This paper deals with the complexity analysis of that access control, and finds it to be, in its worst cases, PSPACE-complete, but polynomial time for practical cases. The PSPACE-hardness reduction uses the theory of succinct problems in a more general manner than circuit representation.