Sound development of secure service-based systems

  • Authors:
  • Martin Deubler;Johannes Grünbauer;Jan Jürjens;Guido Wimmel

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

  • Venue:
  • Proceedings of the 2nd international conference on Service oriented computing
  • Year:
  • 2004

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Abstract

Service-based software systems are a useful concept recently developed to support the development of systems offering functions (the so-called services) which may be interrelated or may mutually depend on each other. Although appealing from a practical point of view, the development of service-based software for security-critical systems is, unfortunately, not well understood. Services may easily interact with each other in a way which may have unforeseen consequences on the various security properties provided. In this work, we propose a method for facilitating the development of security-critical service-based software systems using the computer-aided systems engineering tool AutoFocus based on the formal method Focus. We explain our method at the example of a service-based system from the automotive domain.