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Conference Papers Year : 2012

On the Optimality of Correlation Power Attack on Embedded Cryptographic Systems

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Youssef Souissi
  • Function : Author
  • PersonId : 971834
Nicolas Debande
  • Function : Author
  • PersonId : 896981
Sami Mekki
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  • PersonId : 1009942
Sylvain Guilley
Ali Maalaoui
  • Function : Author
  • PersonId : 1009943
Jean-Luc Danger

Abstract

In this paper, we answer the question of what are the necessary conditions under which Correlation Power Attack (CPA), that essentially targets embedded cryptographic implementations, is optimal with regards to attacks that exploit the same leakage model. For this purpose, we offer an in-depth theoretical study which aims at determining the conditions under which the Pearson correlation coefficient is maximized. Moreover, we propose theoretical metrics to practically verify the validity of those conditions. Besides, we illustrate our theoretical study by an experiment on real electromagnetic traces acquired from a DES cryptographic implementation.
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Dates and versions

hal-01534305 , version 1 (07-06-2017)

Licence

Attribution - CC BY 4.0

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Youssef Souissi, Nicolas Debande, Sami Mekki, Sylvain Guilley, Ali Maalaoui, et al.. On the Optimality of Correlation Power Attack on Embedded Cryptographic Systems. 6th International Workshop on Information Security Theory and Practice (WISTP), Jun 2012, Egham, United Kingdom. pp.169-178, ⟨10.1007/978-3-642-30955-7_15⟩. ⟨hal-01534305⟩
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