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

4 Feb 2021  ·  Olivier Rioul, Wei Cheng, Sylvain Guilley ·

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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Information Theory Information Theory

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