Model-Based usage control policy derivation

  • Authors:
  • Prachi Kumari;Alexander Pretschner

  • Affiliations:
  • Technische Universität München, Germany;Technische Universität München, Germany

  • Venue:
  • ESSoS'13 Proceedings of the 5th international conference on Engineering Secure Software and Systems
  • Year:
  • 2013

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Abstract

Usage control is concerned with how data is used after access to it has been granted. In existing usage control enforcement frameworks, policies are assumed to exist and the derivation of implementation-level policies from specification-level policies has not been looked into. This work fills this gap. One challenge in the derivation of policies is the absence of clear semantics of high-level domain-specific constructs like data and action. In this paper we present a model-based refinement of these constructs. Using this refinement, we translate usage control policies from the specification to the implementation level. We also provide methodological guidance to partially automate this translation.