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On the Possibilistic Handling of Priorities in Access Control Models

Conference paper
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 213)

Abstract

Access control models are important tools for modelling security policies. They allow to limit the access to sensitive data to only authorized users. This paper focuses on organization-based access control (OrBAC) model which represents a generic framework for compactly representing general security policies rules. More precisely, we propose to add to OrBAC model a new entity, called priority, that encodes different forms of uncertainty that may be encountered in security rules. These priorities will be modelled in possibility theory which represents a natural framework for handling uncertain information. We propose different combination rules that allow to derive concrete permissions from prioritized abstract permissions.

Keywords

Possibility theory Possibilistic logic OrBAC 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  • Salem Benferhat
    • 1
  • Khalid Bouriche
    • 1
    • 2
  • Mohamed Ouzarf
    • 2
  1. 1.CRIL-CNRS, Centre de recherche en informatique de LensUniversité d’ArtoisLens CedexFrance
  2. 2.Département de l’informatique FST de FezUniversity Sidi Mohamed Ben Abdellah (USMBA)FèsMaroc

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