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Security Enforcement by Rewriting: An Algebraic Approach

  • Guangye SuiEmail author
  • Mohamed Mejri
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 9482)

Abstract

This paper introduces a formal program-rewriting approach that can automatically enforce security policies on non trusted programs. For a program P and a security policy \(\varPhi \), we generate another program \(P'\) that respects the security policy and behaves like P except that it stops any execution path whenever the enforced security policy is about to be violated. The presented approach uses the \(\mathcal {E}BPA_{0,1}^*\) algebra which is a variant of BPA (Basic Process Algebra) extended with variables, environments and conditions. The problem of computing the expected enforced program \(P'\) will turn to resolve a linear system which we already know how to extract the solution by a polynomial algorithm.

Keywords

Program rewriting Process algebra Security policy Security enforcement 

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Copyright information

© Springer International Publishing Switzerland 2016

Authors and Affiliations

  1. 1.Departement of Computer ScienceLaval UniversityQuebecCanada

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