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725 results
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Seminar
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SemSecuElec
Securing processor's microarchitecture against SCA in a post-quantum cryptography setting
Speaker : Vincent MIGLIORE - LAAS-CNRS
Hardware microarchitecture is a well-known source of side-channel leakages, providing a notable security reduction of standard cryptographic algorithms (e.g. AES) if not properly addressed by software or hardware. In this talk, we present new design approaches to harden processor's microarchitecture against power-based side-channel attacks, relying on configurable and cascadable building blocks[…]-
SemSecuElec
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Side-channel
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Micro-architectural vulnerabilities
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Seminar
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SemSecuElec
Double Strike: Breaking Approximation-Based Side-Channel Countermeasures for DNNs
Speaker : Lorenzo CASALINO - CentraleSupélec
Deep neural networks (DNNs) undergo lengthy and expensive training procedures whose outcome - the DNN weights - represents a significant intellectual property asset to protect. Side-channel analysis (SCA) has recently appeared as an effective approach to recover this confidential asset of DNN implementations. Ding et al. (HOST’25) introduced MACPRUNING, a novel SCA countermeasure based on pruning,[…]-
SemSecuElec
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Side-channel
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Seminar
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SoSysec
The Quest for my Perfect MATE. Investigate MATE: Man-at-the-End attacker (followed by a hands-on application).
Speaker : Mohamed Sabt, Etienne Nedjaï - Univ Rennes, IRISA
Shannon sought security against an attacker with unlimited computational powers: if an information source conveys some information, then Shannon’s attacker will surely extract that information. Diffie and Hellman refined Shannon’s attacker model by taking into account the fact that the real attackers are computationally limited. This idea became one of the greatest new paradigms in computer[…] -
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Seminar
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SoSysec
Les jeux vidéo de l’écran au réel : enjeux juridiques et (géo)politiques au prisme de la cybersécurité
Speaker : Léandre Lebon, Sandrine Turgis - Univ Rennes, IODE
Protection des droits d’auteur, lutte contre les techniques de triche, interactions avec la guerre et les conflits hybrides, enjeux de démocratie ... Sous l’angle de la cybersécurité les enjeux juridiques et (géo)politiques des jeux video sont nombreux. Cette présentation du groupe de travail sur les jeux video (GTJV) permettra d’alimenter la réflexion sur l’articulation entre jeux video et[…]-
Law
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Seminar
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Cryptography
Attacks and Remedies for Randomness in AI: Cryptanalysis of PHILOX and THREEFRY
Speaker : Yevhen Perehuda - Ruhr-University Bochum
In this work, we address the critical yet understudied question of the security of the most widely deployed pseudorandom number generators (PRNGs) in AI applications. We show that these generators are vulnerable to practical and low-cost attacks. With this in mind, we conduct an extensive survey of randomness usage in current applications to understand the efficiency requirements imposed in[…]-
Cryptography
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