Safety through Security

  • Authors:
  • Andrew Simpson;Jim Woodcock;Jim Davies

  • Affiliations:
  • Oxford University Computing Laboratory, Wolfson Building, Parks Road, Oxford OX1 3QD, United Kingdom;Oxford University Computing Laboratory, Wolfson Building, Parks Road, Oxford OX1 3QD, United Kingdom;Oxford University Computing Laboratory, Wolfson Building, Parks Road, Oxford OX1 3QD, United Kingdom

  • Venue:
  • IWSSD '98 Proceedings of the 9th international workshop on Software specification and design
  • Year:
  • 1998

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Abstract

This paper illustrates that the concept of non-interference, used in theories of security, may also be used to reason about safety. It presents a technique for modelling safety properties in terms of communicating processes, and develops a practical theory of system protection from failures. A simple example is presented to illustrate the application of this technique to different classes of safety property.