[Resource Topic] 2014/682: A Unified Formalism for Physical Attacks

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A Unified Formalism for Physical Attacks

Authors: Hélène Le Bouder, Ronan Lashermes, Yanis Linge, Bruno Robisson, Assia Tria


The security of cryptographic algorithms can be considered in two contexts. On the one hand, these algorithms can be proven secure mathematically. On the other hand, physical attacks can weaken the implementation of an algorithm yet proven secure. Under the common name of physical attacks, different attacks are regrouped: side channel attacks and fault injection attacks. This paper presents a common formalism for these attacks and highlights their underlying principles. All physical attacks on symmetric algorithms can be described with a 3-step process. Moreover it is possible to compare different physical attacks, by separating the theoretical attack path and the experimental parts of the attacks.

ePrint: https://eprint.iacr.org/2014/682

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