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727 results
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Seminar
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Cryptography
Quantum Linear Key-recovery Attacks Using the QFT
Speaker : André Schrottenloher - IRISA
The Quantum Fourier Transform is a fundamental tool in quantum cryptanalysis, not only as the building block of Shor's algorithm, but also in attacks against symmetric cryptosystems. Indeed, hidden shift algorithms such as Simon's (FOCS 1994), which rely on the QFT, have been used to obtain attacks on some very specific block cipher structures. The Fourier Transform is also used in classical[…] -
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Working group
Modélisation statistique et sécurité des générateurs d'aléa pour la cryptographie
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
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Working group
Analyse statistique des extrêmes pour la modélisation d'évènements rares ou atypiques
Speaker : Gilles Stupfler - ENSAI
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Seminar
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SoSysec
A Formal Analysis of 5G Authentication
Speaker : Sasa Radomirovic (University of Dundee)
Mobile communication networks connect much of the world’s population. The security of users’ calls, text messages, and mobile data depends on the guarantees provided by the Authenticated Key Exchange protocols used. For the next-generation network (5G), the 3GPP group has standardized the 5G AKA protocol for this purpose.In this talk, I will report on our formalization of the 5G standard’s AKA[…] -
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Seminar
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SoSysec
Machine Learning for Computer Security Detection Systems: Practical Feedback and Solutions
Speaker : Anaël Beaugnon (ANSSI)
Machine learning based detection models can strengthen detection, but there remain some significant barriers to the widespread deployment of such techniques in operational detection systems. In this presentation, we identify the main challenges to overcome and we provide both methodological guidance and practical solutions to address them. The solutions we present are completely generic to be[…] -
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Seminar
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SoSysec
The Internet of Backdoors
Speaker : par Sam L. Thomas (University of Birmingham, UK)
Complex embedded devices are becoming ever prevalent in our everyday lives, yet only a tiny amount of people consider the potential security and privacy implications of attaching such devices to our home, business and government networks. As demonstrated through recent publications from academia and blog posts from numerous industry figures, these devices are plagued by poor design choices[…] -