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721 results

    • Seminar

    • Cryptography

    Generic SCARE: reverse engineering without knowing the algorithm nor the machine

    • April 12, 2024

    • IRMAR - Université de Rennes - Campus Beaulieu Bat. 22, RDC, Rennes - Amphi Lebesgue

    Speaker : Hélène LE BOUDER - IMT Atlantique

    A novel side-channel-based reverse engineering technique is introduced, capable of reconstructing a procedure solely from inputs, outputs, and traces of execution. Beyond generic restrictions, no prior knowledge of the procedure or the chip it operates on is assumed. These restrictions confine the analysis to 8-bit RISC constant-time software implementations. Specifically, the feasibility of[…]

    • Working group

    Modélisation statistique et sécurité des générateurs d'aléa pour la cryptographie

    • April 08, 2023 (11:00 - 12:00)

    • À l'IRISA, campus de Beaulieu, Rennes

    Speaker : David Lubicz - DGA, IRMAR

    Dans cet exposé on essaie d'expliquer ce que l'on entend pas méthodes statistiques et on donne des exemples concrets d'application dans la cybersécurité.

    • Cryptography

    • Working group

    Analyse statistique des extrêmes pour la modélisation d'évènements rares ou atypiques

    • April 08, 2023 (10:00 - 11:00)

    • À l'IRISA, campus de Beaulieu, Rennes

    Speaker : Gilles Stupfler - ENSAI

    • Seminar

    • SoSysec

    Anonymous Server-Aided Verification

    • March 30, 2018

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

    Speaker : par Elena Pagnin (Chalmers University of Technology, Sweden)

    Server-Aided Verification (SAV) is a method that can be employed to speed up the process of verifying signatures by letting the verifier outsource part of its computation load to a third party. Achieving fast and reliable verification under the presence of an untrusted server is an attractive goal in cloud computing and internet of things scenarios.In this talk I will describe a simple and[…]

    • Seminar

    • SoSysec

    Présentation des fondamentaux du management du risque et d’EBIOS Risk Manager

    • November 29, 2019

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

    Speaker : Vincent Loriot (ANSSI)

    Résumé :a. Présentation ANSSIb. Tendances de la menace cyber et démarche pour s’en protégerc. Fondamentaux de la méthode EBIOS Risk ManagerLa présentation théorique sera complétée avec un atelier pratique couvrant les sujets suivants :a. Les besoins et enjeux de sécuritéb. Les couples Source de Risque / Objectif Viséc. La cartographie de menace de l’écosystème 

    • Seminar

    • SoSysec

    Privacy in The 5G-AKA Authentication Protocol

    • January 18, 2019

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

    Speaker : Adrien Koutsos (LSV)

    The 5G mobile communications standards are being finalized, and drafts are now available. This standard describes the 5G-AKA authentication and key exchange protocol. The previous version of AKA (3G and 4G) are well-known for their lack of privacy against an active adversary (e.g. a user can be massively tracked using IMSI-catcher). This new version of AKA tries to offer more privacy, notably[…]
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