2 papers
cs.IT2024
What can Information Guess? Guessing Advantage vs. Rényi Entropy for Small Leakages
Julien Béguinot, Olivier Rioul
We leverage the Gibbs inequality and its natural generalization to Rényi entropies to derive closed-form parametric expressions of the optimal lower bounds of th-order guessing…
cs.IT2023
Maximal Leakage of Masked Implementations Using Mrs. Gerber's Lemma for Min-Entropy
Julien Béguinot, Yi Liu, Olivier Rioul +2
A common countermeasure against side-channel attacks on secret key cryptographic implementations is th-order masking, which splits each sensitive variable into random shar…