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Cumulant Expansion of Mutual Information for Quantifying Leakage of a Protected Secret

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Résumé

The information leakage of a cryptographic implementation with a given degree of protection is evaluated in a typical situation when the signal-to-noise ratio is small. This is solved by expanding Kullback-Leibler divergence, entropy, and mutual information in terms of moments/cumulants.
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Dates et versions

hal-03323533 , version 1 (21-08-2021)

Identifiants

  • HAL Id : hal-03323533 , version 1

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Olivier Rioul, Wei Cheng, Sylvain Guilley. Cumulant Expansion of Mutual Information for Quantifying Leakage of a Protected Secret. 2021 IEEE International Symposium on Information Theory (ISIT'21), Jul 2021, Melbourne (virtual), Australia. ⟨hal-03323533⟩
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