2013 | OriginalPaper | Buchkapitel
Lattices of Information for Security: Deterministic, Demonic, Probabilistic
verfasst von : Carroll C. Morgan
Erschienen in: Formal Methods and Software Engineering
Verlag: Springer Berlin Heidelberg
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Security-oriented analyses of information flow can be in terms of channels (entropy leakage), or in terms of programs (noninterference); and for each we can consider deterministic, demonic or probabilistic instances. We discuss all 2×3 = 6 cases from a common point of view, seeking a uniform approach to a partial order of information. In some cases this is a lattice (as is already known); and in some cases it seems not to be (novel).