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Decidability of deterministic process equivalence for finitary deduction systems

Chevalier, Yannick and Romero Jimenez, Benito Fabian Decidability of deterministic process equivalence for finitary deduction systems. (2020) In: Parallel, Distributed, and Network-Based Processing (PDP), 11 March 2020 - 13 March 2020 (Västeroas, Sweden).

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Official URL: https://doi.org/10.1109/PDP50117.2020.00074

Abstract

Deciding privacy-type properties of deterministic cryptographic protocols such as anonymity and strong secrecy can be reduced to deciding the symbolic equivalence of processes, where each process is described by a set of possible symbolic traces. This equivalence is parameterized by a deduction system that describes which actions and observations an intruder can perform on a running system. We present in this paper a notion of finitary deduction systems. For this class of deduction system, we first reduce the problem of the equivalence of processes with no disequations to the resolution of reachability problem on each symbolic trace of one process, and thentesting whether each solution found is solution of a related trace in the other process. We then extend this reduction to the case of generic deterministic finite processes in which symbolic traces may contain disequalities.

Item Type:Conference or Workshop Item (Paper)
Additional Information:Thanks to IEEE. The original document is available on IEEE Xplore. https://ieeexplore.ieee.org/document/9092348. © 2020 IEEE. Electronic ISBN: 978-1-7281-6582-0. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
HAL Id:hal-03031875
Audience (conference):International conference proceedings
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UT3 (FRANCE)
Université de Toulouse > Université Toulouse - Jean Jaurès - UT2J (FRANCE)
Université de Toulouse > Université Toulouse 1 Capitole - UT1 (FRANCE)
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Labex CIMI
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Deposited On:04 Feb 2020 09:47

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