On a formal framework for security properties

  • Authors:
  • Sigrid Gürgens;Peter Ochsenschläger;Carsten Rudolph

  • Affiliations:
  • Fraunhofer Institute for Secure Information Technology SIT Rheinstrasse 75, D-64295 Darmstadt, Germany;Fraunhofer Institute for Secure Information Technology SIT Rheinstrasse 75, D-64295 Darmstadt, Germany;Fraunhofer Institute for Secure Information Technology SIT Rheinstrasse 75, D-64295 Darmstadt, Germany

  • Venue:
  • Computer Standards & Interfaces
  • Year:
  • 2005

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Abstract

A new approach to property-based characterisation of security requirements is presented. The main goal is to provide a framework for the specification of a wide variety of security requirements with formal semantics in terms of security properties of a discrete model of a system. In contrast to previous approaches it is not focused on a special type of security property. The classical concept of ''properties'' comprising safety and liveness properties is extended to include security properties. Formalisations of authenticity, different types of non-repudiation and confidentiality are presented within the framework. Several examples illustrate the flexibility of this approach.