FASER Formal and Automatic Security Enforcement by Rewriting by BPA algebra with test

  • Authors:
  • Guangye Sui;Mohamed Mejri

  • Affiliations:
  • Laboratory of Computer Security, Laval University, Quebec, Canada;Laboratory of Computer Security, Laval University, Quebec, Canada

  • Venue:
  • International Journal of Grid and Utility Computing
  • Year:
  • 2013

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Abstract

A correct and a cheap enforcement of security policies on information systems is a major problem for most of our institutions. In previous works, we introduced a program rewriting approach that can automatically and formally enforce security policies on untrusted programs. The program and the security policy are specified as processes in an extended version of BPA Basic Process Algebra. After that, the enforcement problem is turned to the resolution of a linear system. In this paper, we extend the expressiveness of the algebra by adding tests which is an important step towards enforcing security policies on more real interesting systems.