Refinement for Administrative Policies


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Dekker, M.A.C. and Etalle, S. (2007) Refinement for Administrative Policies. In: 4th VLDB Workshop on Secure Data Management, SDM 2007, 23-24 September 2007, Vienna, Austria.

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Abstract:Flexibility of management is an important requisite for access control systems as it allows users to adapt the access control system in accordance with practical requirements. This paper builds on earlier work where we defined administrative policies for a general class of RBAC models. We present a formal definition of administrative refinement and we show that there is an ordering for administrative privileges which yields administrative refinements of policies. We argue (by giving an example) that this privilege ordering can be very useful in practice, and we prove that the privilege ordering is tractable.
Item Type:Conference or Workshop Item
Copyright:© 2007 Springer
Faculty:
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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Link to this item:http://purl.utwente.nl/publications/61950
Official URL:http://dx.doi.org/10.1007/978-3-540-75248-6_3
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