Quantitative Information Flow as Safety and Liveness Hyperproperties

Hirotoshi Yasuoka
(Tohoku University)
Tachio Terauchi
(Nagoya University)

We employ Clarkson and Schneider's "hyperproperties" to classify various verification problems of quantitative information flow. The results of this paper unify and extend the previous results on the hardness of checking and inferring quantitative information flow. In particular, we identify a subclass of liveness hyperproperties, which we call "k-observable hyperproperties", that can be checked relative to a reachability oracle via self composition.

In Herbert Wiklicky and Mieke Massink: Proceedings 10th Workshop on Quantitative Aspects of Programming Languages and Systems (QAPL 2012), Tallinn, Estonia, 31 March and 1 April 2012, Electronic Proceedings in Theoretical Computer Science 85, pp. 77–91.
Published: 3rd July 2012.

ArXived at: http://dx.doi.org/10.4204/EPTCS.85.6 bibtex PDF
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