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722 results

    • Seminar

    • SoSysec

    The PINED-RQ Family: Differentially Private Indexes for Range Query Processing in Clouds

    • November 13, 2020

    • Inria Center of the University of Rennes - - Room TBD

    Speaker : Tristan Allard (IRISA, Université de Rennes 1)

    Performing non- aggregate range queries on cloud stored data, while achieving both privacy and efficiency is a challenging problem. With the PINED-RQ family of techniques, we propose constructing a differentially private index to an outsourced encrypted dataset. Efficiency is enabled by using a cleartext index structure to perform range queries. Security relies on both differential privacy (of the[…]

    • Seminar

    • SemSecuElec

    Automated software protection for the masses against side-channel attacks

    • May 10, 2019

    • Univ Grenoble Alpes, CEA, List - Salles Petri/Turing

    Speaker : Nicolas Belleville

    This presentation will present an approach and a tool that answer the need for effective, generic, and easily applicable protections against side-channel attacks. The protection mechanism is based on code polymorphism, so that the observable behaviour of the protected component is variable and unpredictable to the attacker. Our approach combines lightweight specialized runtime code generation with[…]

    • Seminar

    • SemSecuElec

    Security challenges and opportunities in emerging device technologies: a case study on flexible electronics

    • May 06, 2022

    • Leiden University, The Netherlands?, and KU Leuven, Belgium - Salle Pétri/Turing

    Speaker : Nele Mentens - KU Leuven, Belgium

    While traditional chips in bulk silicon technology are widely used for reliable and highly ef?cient systems, there are applications that call for devices in other technologies. On the one hand, novel device technologies need to be re-evaluated with respect to potential threats and attacks, and how these can be faced with existing and novel security solutions and methods. On the other hand,[…]

    • Seminar

    • SemSecuElec

    Cryptographie légère intrinsèquement résistante aux attaques physiques pour l’Internet des Objets

    • May 25, 2018

    • CEA-Tech, Laboratoire Systèmes et Architectures Sécurisés (LSAS) - Salles Petri/Turing

    Speaker : Benjamin Lac

    Avec des applications telles que les smart phones , compteurs intelligents, capteurs et autres systèmes industriels de type SCADA, le nombre d objets connectés à Internet atteindrait les 20 milliards d ici 2020. Les contraintes de taille, coût et consommation ainsi que les problématiques de sécurité liées au déploiement de ces objets à si grande échelle ont mené à la conception de systèmes de[…]

    • Seminar

    • SemSecuElec

    libecc: a flexible open-source ECC library for embedded devices

    • February 14, 2020

    • ANSSI - Salle Pétri/Turing

    Speaker : Ryad Benadjila et Arnaud Ebalard

    libecc is a software library for elliptic curves based cryptography (ECC), with an API supporting signature algorithms specified in the ISO14888-3 standard.Advanced usages of this library also include the possible implementation of elliptic curve based Diffie-Hellman protocols as well as any algorithm on top of prime fields based elliptic curves (or prime fields, or rings of integers).The[…]

    • Seminar

    • SemSecuElec

    Une approche pour l’accélération matérielle pour le chiffrement homomorphe

    • December 14, 2018

    • CEA List

    Speaker : Joël Cathebras

    Le chiffrement homomorphe est un outil cryptographique permettant la manipulation de données en aveugle. Son utilisation généralisée permettrait de proposer des solutions de calcul déporté impliquant des données confidentielles, par exemple des données génomiques pour la médecine personnalisée. Cependant, le chiffrement homomorphe doit faire face à de grandes complexités mémoires et calculatoires.[…]
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