Search Results - "Olivier Bronchain"

Side-Channel Countermeasures’ Dissection and the Limits of Closed Source Security Evaluations by Olivier Bronchain, François-Xavier Standaert

“…We take advantage of a recently published open source implementation of the AES protected with a mix of countermeasures against side-channel attacks to discuss…”
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Improved Leakage-Resistant Authenticated Encryption based on Hardware AES Coprocessors by Bronchain, Olivier, Momin, Charles, Peters, Thomas, Standaert, François-Xavier

“…We revisit Unterstein et al.’s leakage-resilient authenticated encryption scheme from CHES 2020. Its main goal is to enable secure software updates by…”
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Reducing risks through simplicity: high side-channel security for lazy engineers by Bronchain, Olivier, Schneider, Tobias, Standaert, François-Xavier

“…Countermeasures against side-channel attacks are in general expensive, and a lot of research has been devoted to the optimization of their security versus…”
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Enabling FrodoKEM on Embedded Devices by Bos, Joppe W., Bronchain, Olivier, Custers, Frank, Renes, Joost, Verbakel, Denise, Van Vredendaal, Christine

“…FrodoKEM is a lattice-based Key Encapsulation Mechanism (KEM) based on unstructured lattices. From a security point of view this makes it a conservative option…”
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Multi-Tuple Leakage Detection and the Dependent Signal Issue by Olivier Bronchain, Tobias Schneider, François-Xavier Standaert

“…Leakage detection is a common tool to quickly assess the security of a cryptographic implementation against side-channel attacks. The Test Vector Leakage…”
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A stealthy Hardware Trojan based on a Statistical Fault Attack by Momin, Charles, Bronchain, Olivier, Standaert, François-Xavier

“…Integrated Circuits (ICs) are sensible to a wide range of (passive, active, invasive, non-invasive) physical attacks. In this context, Hardware Trojans (HTs),…”
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Side-channel analysis of a learning parity with physical noise processor by Kamel, Dina, Bellizia, Davide, Bronchain, Olivier, Standaert, François-Xavier

“…Learning parity with physical noise (LPPN) has been proposed as an assumption on which to build authentication protocols based on the learning parity with…”
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Modeling Soft Analytical Side-Channel Attacks from a Coding Theory Viewpoint by Guo, Qian, Grosso, Vincent, Standaert, François-Xavier, Bronchain, Olivier

“…One important open question in side-channel analysis is to find out whether all the leakage samples in an implementation can be exploited by an adversary, as…”
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From MLWE to RLWE: A Differential Fault Attack on Randomized & Deterministic Dilithium by ElGhamrawy, Mohamed, Azouaoui, Melissa, Bronchain, Olivier, Renes, Joost, Schneider, Tobias, Schönauer, Markus, Seker, Okan, Van Vredendaal, Christine

“…The post-quantum digital signature scheme CRYSTALS-Dilithium has been recently selected by the NIST for standardization. Implementing CRYSTALSDilithium, and…”
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How to fool a black box machine learning based side-channel security evaluation by Bertrand Van Ouytsel, Charles-Henry, Bronchain, Olivier, Cassiers, Gaëtan, Standaert, François-Xavier

“…Machine learning and deep learning algorithms are increasingly considered as potential candidates to perform black box side-channel security evaluations…”
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MOE: Multiplication Operated Encryption with Trojan Resilience by Bronchain, Olivier, Faust, Sebastian, Lallemand, Virginie, Leander, Gregor, Perrin, Léo, Standaert, François-Xavier

“…In order to lower costs, the fabrication of Integrated Circuits (ICs) is increasingly delegated to offshore contract foundries, making them exposed to…”
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SCALib: A Side-Channel Analysis Library by Cassiers, Gaëtan, Bronchain, Olivier

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Bitslicing Arithmetic/Boolean Masking Conversions for Fun and Profit: with Application to Lattice-Based KEMs by Bronchain, Olivier, Cassiers, Gaëtan

“…The performance of higher-order masked implementations of lattice-based based key encapsulation mechanisms (KEM) is currently limited by the costly conversions…”
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Bitslicing Arithmetic/Boolean Masking Conversions for Fun and Profit by Olivier Bronchain, Gaëtan Cassiers

“…The performance of higher-order masked implementations of lattice-based based key encapsulation mechanisms (KEM) is currently limited by the costly conversions…”
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Bitslicing Arithmetic/Boolean Masking Conversions for Fun and Profit by Olivier Bronchain, Gaëtan Cassiers

“…The performance of higher-order masked implementations of lattice-based based key encapsulation mechanisms (KEM) is currently limited by the costly conversions…”
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Breaking Masked Implementations with Many Shares on 32-bit Software Platforms by Olivier Bronchain, François-Xavier Standaert

“…We explore the concrete side-channel security provided by state-of-theart higher-order masked software implementations of the AES and the (candidate to the…”
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Breaking Masked Implementations with Many Shares on 32-bit Software Platforms: or When the Security Order Does Not Matter by Bronchain, Olivier, Standaert, François-Xavier

“…We explore the concrete side-channel security provided by state-of-theart higher-order masked software implementations of the AES and the (candidate to the…”
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Exploiting Small-Norm Polynomial Multiplication with Physical Attacks: Application to CRYSTALS-Dilithium by Bronchain, Olivier, Azouaoui, Melissa, ElGhamrawy, Mohamed, Renes, Joost, Schneider, Tobias

“…We present a set of physical profiled attacks against CRYSTALS-Dilithium that accumulate noisy knowledge on secret keys over multiple signatures, finally…”
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Efficient Profiled Side-Channel Analysis of Masked Implementations, Extended by Bronchain, Olivier, Durvaux, Francois, Masure, Loic, Standaert, Francois-Xavier

“…We extend the study of efficient profiled attacks on masking schemes initiated by Lerman and Markowitch (TIFS, 2019) in different directions. First, we study…”
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Exploiting Small-Norm Polynomial Multiplication with Physical Attacks by Olivier Bronchain, Melissa Azouaoui, Mohamed ElGhamrawy, Joost Renes, Tobias Schneider

“…We present a set of physical profiled attacks against CRYSTALS-Dilithium that accumulate noisy knowledge on secret keys over multiple signatures, finally…”
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