Communicating sequential processes
Communicating sequential processes
Operational and algebraic semantics of concurrent processes
Handbook of theoretical computer science (vol. B)
Goal-directed requirements acquisition
6IWSSD Selected Papers of the Sixth International Workshop on Software Specification and Design
Communicating and mobile systems: the &pgr;-calculus
Communicating and mobile systems: the &pgr;-calculus
Action Refinement as an Implementation Relations
TAPSOFT '97 Proceedings of the 7th International Joint Conference CAAP/FASE on Theory and Practice of Software Development
A Goal-based Approach to Policy Refinement
POLICY '04 Proceedings of the Fifth IEEE International Workshop on Policies for Distributed Systems and Networks
An Approach for the Specification, Verification and Synthesis of Secure Systems
Electronic Notes in Theoretical Computer Science (ENTCS)
Security policy enforcement through refinement process
B'07 Proceedings of the 7th international conference on Formal Specification and Development in B
Preserving security properties under refinement
Proceedings of the 7th International Workshop on Software Engineering for Secure Systems
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In this paper we propose an application of action refinement theory for enforcing security policies at different levels of abstraction. Indeed we assume to have a (high level) specification of a secure system with a possible untrusted component. It is controlled by a controller program, in such a way the system is secure. We show that it is possible to guarantee that the refinement of this system at a lower level of abstraction is still secure, regardless the behavior of the implementation of the untrusted component.