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Journal Articles ACM Transactions on Computational Logic Year : 2013

YAPA: A generic tool for computing intruder knowledge

Abstract

Reasoning about the knowledge of an attacker is a necessary step in many formal analyses of security protocols. In the framework of the applied pi calculus, as in similar languages based on equational logics, knowledge is typically expressed by two relations: deducibility and static equivalence. Several decision procedures have been proposed for these relations under a variety of equational theories. However, each theory has its particular algorithm, and none has been implemented so far. We provide a generic procedure for deducibility and static equivalence that takes as input any convergent rewrite system. We show that our algorithm covers most of the existing decision procedures for convergent theories. We also provide an efficient implementation, and compare it briefly with the tools ProVerif and KiSs.
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Dates and versions

hal-00732901 , version 1 (17-09-2012)

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Mathieu Baudet, Véronique Cortier, Stéphanie Delaune. YAPA: A generic tool for computing intruder knowledge. ACM Transactions on Computational Logic, 2013, 14 (1), ⟨10.1145/2422085.2422089⟩. ⟨hal-00732901⟩
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