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

Olivier Rioul 1, 2, 3 Wei Cheng 1, 2, 3 Sylvain Guilley 1, 2, 4, 5
3 COMNUM - Communications Numériques
LTCI - Laboratoire Traitement et Communication de l'Information
4 SSH - Secure and Safe Hardware
LTCI - Laboratoire Traitement et Communication de l'Information
Abstract : 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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https://hal.telecom-paris.fr/hal-03323533
Contributor : Olivier Rioul Connect in order to contact the contributor
Submitted on : Saturday, August 21, 2021 - 6:38:42 PM
Last modification on : Tuesday, September 21, 2021 - 2:16:05 PM

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202102rioulchengguilley.pdf
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  • 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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