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631 résultats
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Séminaire
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Cryptographie
Adapting Identity-based Encryption with Wildcards to Access Control
Orateur : Anaïs Barthoulot - Université de Montpellier
Nowadays, connected objects play an important role in our daily lives, providing services related to our cities, cars, homes, and health. For this purpose, they often need to be accessible by external entities, such as a garage owner (for a connected car), a postman (for a connected home), or a doctor (for a connected health device). However, it is crucial for the owner of such objects to retain[…] -
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Séminaire
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Cryptographie
Elliptic curves for SNARK and proof systems
Orateur : Aurore Guillevic - INRIA Rennes
This talk is based on joint works with Diego Aranha, Youssef El Housni, and Simon Masson. Elliptic curves make possible in practice very interesting mechanisms of proofs. The security relies on the difficulty of the discrete log problem and variants. Succinct non-interactive arguments of knowledge (SNARK) are a very fruitful topic, so that given a sequence of instructions that can be quite large,[…] -
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Séminaire
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Cryptographie
Soutenances de stages de M2
Orateur : Gael Claudel et Baptiste Germon - IRISA
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Séminaire
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SemSecuElec
TrustSoC : a heterogeneous secure-by-design SoC architecture
Orateur : Raphaële Milan - Université Jean Monnet Saint-Etienne, CNRS, Laboratoire Hubert Curien UMR 5516
Since the 1970s, the complexity of systems on a chip has grown significantly. In order to improve system performance, manufacturers are integrating an increasing number of heterogeneous components on a single silicon chip. The incorporation of these components renders SoCs highly versatile yet significantly complex. Their multipurpose nature makes them suitable for use in a variety of domains,[…]-
SemSecuElec
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Séminaire
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SemSecuElec
FeFET based Logic-in-Memory design, methodologies, tools and open challenges
Orateur : Cédric Marchand - University of Lyon - Lyon Institute of Nanotechnology (UMR CNRS 5270)
Data-centric applications such as artificial intelligence and the Internet of Things (IoT) impose increasingly stringent demands on the performance, the security and the energy efficiency of modern computing architectures. Traditional approaches are often unable to keep pace with these requirements making necessary to explore innovative paradigms such as in-memory computing. This paradigm is[…]-
SemSecuElec
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Séminaire
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SemSecuElec
Code Encryption for Confidentiality and Execution Integrity down to Control Signals
Orateur : Théophile Gousselot - Mines Saint-Etienne, CEA, Leti, Centre CMP, F - 13541 Gardanne France
Embedded devices face software and physical fault injections to either extract or tamper with code in memory. The code execution and code intellectual property are threatened. Some existing countermeasures provide Control Flow Integrity (CFI) extended with the confidentiality and integrity of the instructions by chaining all of them through a cryptographic encryption primitive. While tampering[…]-
SemSecuElec
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Fault injection
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Micro-architectural vulnerabilities
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Hardware countermeasures
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