Timed Non-interference Under Partial Observability and Bounded Memory
Anthony Spriet,
Didier Lime,
Olivier H. Roux
Abstract:We investigate a timed non-interference property for security systems modeled as timed automata, in which a low-security level user should not be able to deduce the occurrence of some high-security level actions. We assume an attack model in which the malicious (low-level) user has the ability to partially observe and memorize the set of runs of the timed automaton modeling the system. We first formalize a non-interference property that ensures the system security under such an attack model and we then prove t… Show more
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