Model Checking Usage Policies

  • Authors:
  • Massimo Bartoletti;Pierpaolo Degano;Gian Luigi Ferrari;Roberto Zunino

  • Affiliations:
  • Dipartimento di Matematica e Informatica, Università degli Studi di Cagliari, Italy and Dipartimento di Informatica, Università di Pisa, Italy;Dipartimento di Informatica, Università di Pisa, Italy;Dipartimento di Informatica, Università di Pisa, Italy;Dipartimento di Ingegneria e Scienza dell'Informazione, Università di Trento, Italy

  • Venue:
  • Trustworthy Global Computing
  • Year:
  • 2009

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Abstract

We propose a model for specifying, analysing and enforcing safe usage of resources. Our usage policies allow for parametricity over resources, and they can be enforced through finite state automata. The patterns of resource access and creation are described through a basic calculus of usages. In spite of the augmented flexibility given by resource creation and by policy parametrization, we devise an efficient (polynomial-time) model-checking technique for deciding when a usage is resource-safe, i.e. when it complies with all the relevant usage policies.