Évaluation par simulation de la sécurité des circuits face aux attaques par faute

  • Faurax, Olivier
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Publication date
July 2008
Publisher
HAL CCSD

Abstract

Microelectronic security devices are more and more present in our lives (smartcards, SIM cards) and they contains sensitive informations that must be protected (account number, cryptographic key, personal data). Recently, attacks on cryptographic algorithms appeared, based on the use of faults. Adding a fault during a device computation enables one to obtain a faulty result. Using a certain amount of correct results and the corresponding faulty ones, it is possible to extract secret data and, in some cases, complete cryptographic keys. However, physical perturbations used in practice (laser, radiations, power glitch) rarely match with faults needed to successfully perform theoretical attacks. In this work, we propose a methodology to test c...

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