Proving concurrent noninterference

Popescu, Andrei, Hölzl, Johannes and Nipkow, Tobias (2012) Proving concurrent noninterference. Certified Programs and Proofs: second international conference, CPP 2012, Kyoto, Japan, December 13-15, 2012. Proceedings. In: 2nd International Conference on Certified Programs and Proofs (CPP 2012), 13-15 Dec 2012, Kyoto, Japan. ISBN 9783642353079. ISSN 0302-9743 [Conference or Workshop Item]

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Abstract

We perform a formal analysis of compositionality techniques for proving possibilistic noninterference for a while language with parallel composition. We develop a uniform framework where we express a wide range of noninterference variants from the literature and compare them w.r.t. their contracts: the strength of the security properties they ensure weighed against the harshness of the syntactic conditions they enforce. This results in a simple implementable algorithm for proving that a program has a specific noninterference property, using only compositionality, which captures uniformly several security type-system results from the literature and suggests a further improved type system. All formalism and theorems have been mechanically verified in Isabelle/HOL.

Item Type: Conference or Workshop Item (Paper)
Additional Information: Published paper appears in: Certified Programs and Proofs, Volume 7679 of the series Lecture Notes in Computer Science pp 109-125, 2012
Research Areas: A. > School of Science and Technology > Computer Science > Foundations of Computing group
Item ID: 15375
Notes on copyright: The final publication is available at Springer via http://dx.doi.org/10.1007/978-3-642-35308-6_11
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Depositing User: Andrei Popescu
Date Deposited: 27 Apr 2015 12:58
Last Modified: 09 Jun 2021 20:00
URI: https://eprints.mdx.ac.uk/id/eprint/15375

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