Titlebook: Smart Card Research and Advanced Applications; 21st International C Ileana Buhan,Tobias Schneider Conference proceedings 2023 The Editor(s)

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A Nearly Tight Proof of Duc et al.’s Conjectured Security Bound for Masked Implementationscative constant was .. As a consequence for side-channel security evaluators, it is possible to provably and efficiently infer the security level of a masked implementation by simply analyzing each individual share, under the necessary condition that the leakage of these shares are independent.

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Short-Iteration Constant-Time GCD and Modular Inversionumber of iterations and simple computations during one iteration are good characteristics of a constant-time algorithm. Based on this view, this paper proposes new short-iteration CT-. and . algorithms over . borrowing a simple idea of .. Our algorithms are evaluated from the theoretical point of vi

FAR

Rivain-Prouff on Steroids: Faster and Stronger Masking of the AES the refreshing of masks compared to the original RP inversion. This new inversion provides some advanced (theoretical) security properties for the composition of gadgets, e.g. Strong Non-Interference (SNI) and Probe Isolating Non-Interference (PINI). We also describe a prototype implementation of a

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Cycle-Accurate Power Side-Channel Analysis Using the ChipWhisperer: A Case Study on Gaussian Samplinntation and further evaluate their leakage..Our findings allow the conclusion that unmasked cryptographic implementations of schemes based on Gaussian random numbers for STM32F4 cannot be secure against power side-channel, and that masking just the Gaussian sampler is not a viable option.

Mast-Cell

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仪式

Clément Fanjas,Clément Gaine,Driss Aboulkassimi,Simon Pontié,Olivier Potin

Constitution

Raphaël Joud,Pierre-Alain Moëllic,Simon Pontié,Jean-Baptiste Rigaud