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Data Access Specification and the Most Powerful Symbolic Attacker in MSR

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journal contribution
posted on 01.01.2014, 00:00 by Iliano Cervesato
Most systems designed for the symbolic verification of security protocols operate under the unproved assumption that an attack can only result from the combination of a fixed number of message transformations, which altogether constitute the capabilities of the so-called Dolev-Yao intruder. In this paper,we show that the Dolev-Yao intruder can indeed emulate the actions of an arbitrary symbolic adversary. In order to do so, we extend MSR, a flexible specification framework for security protocols based on typed multiset rewriting, with a static check called data access specification and aimed at catching specification errors such as a principal trying to use a key that she is not entitled to access.

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Copyright © 2014 by the Society for Industrial and Applied Mathematics

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01/01/2014

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