Etude de la vulnérabilité des circuits cryptographiques l'injection de fautes par laser.

  • Mirbaha, Amir-Pasha
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Publication date
December 2011
Publisher
HAL CCSD

Abstract

Cryptographic circuits may be victims of fault attacks on their hardware implementations. fault attacks consist of creating intentional faults during cryptographic calculations in order to infer secrets. in the context of security characterization of circuits, we have examined practical feasibility of some theoretical models of fault attacks. we used a laser bench as a means of the fault injection.at the beginning, we performed laser fault injections on a microcontroller implementing an aes cryptographic algorithm. we succeeded to exclude the logical effect of mismatched faults by temporal and spatial accuracy in fault injection. moreover, we identified extended new dfa attacks.then, we extended our research to identify and to implement new...

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