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Opacity with powerful attackers

Abstract : This paper considers state-based opacity in a setting where attackers of a secret have additional observation capacities allowing them to know which inputs are allowed by a system. We show that regular opacity is decidable in this setting. We then address the question of controlling a system so that it becomes opaque, and solve this question by recasting the problem in a game setting.
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Preprints, Working Papers, ...
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Submitted on : Tuesday, March 20, 2018 - 11:47:39 AM
Last modification on : Saturday, August 6, 2022 - 3:32:50 AM
Long-term archiving on: : Tuesday, September 11, 2018 - 9:05:43 AM


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  • HAL Id : hal-01738169, version 1


Loïc Hélouët, Hervé Marchand, Laurie Ricker. Opacity with powerful attackers. 2018. ⟨hal-01738169⟩



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