Formal verification of language-based concurrent noninterference

Popescu, Andrei, Hölzl, Johannes and Nipkow, Tobias (2013) Formal verification of language-based concurrent noninterference. Journal of Formalized Reasoning, 6 (1). pp. 1-30. ISSN 1972-5787

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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: Article
Research Areas: A. > School of Science and Technology > Computer Science > Foundations of Computing group
Item ID: 15372
Notes on copyright: Full text: Copyright (c) 2013 Andrei Popescu, Johannes Hölzl, Tobias Nipkow. Creative Commons License: This work is licensed under a Creative Commons Attribution 3.0 International License - http://creativecommons.org/licenses/by/3.0/
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Depositing User: Andrei Popescu
Date Deposited: 27 Apr 2015 12:52
Last Modified: 05 Apr 2019 05:23
URI: https://eprints.mdx.ac.uk/id/eprint/15372

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