AVISPA is a pushbutton tool for the automated validation of Internet security-sensitive protocols and applications. It provides a modular and expressive formal language for specifying protocols and their security properties, and integrates different back-ends that implement a variety of state-of-the-art automatic analysis techniques. To the best of our knowledge, no other tool exhibits the same level of scope and robustness while enjoying the same performance and scalability.

Abstract. The Tamarin prover supports the automated, unbounded, symbolic analysis of security protocols. It features expressive languages for specifying protocols, adversary models, and properties, and support for efficient deduction and equational reasoning. We provide an overview of the tool and its applications.

We present a model of adaptive side-channel attacks which we combine with information-theoretic metrics to quantify the information revealed to an attacker. This allows us to express an attacker's remaining uncertainty about a secret as a function of the number of side-channel measurements made. We present algorithms and approximation techniques for computing this measure. We also give examples of how they can be used to analyze the resistance of hardware implementations of cryptographic functions to both timing and power attacks.

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