Talks

This is a list of talks that I gave at seminars or workshops, and short lectures from summer schools (sometimes even with slides included!). It does not include the presentations given at conferences (but you can find some of them from the "Publications" page).

2025

• Journée des sciences et technologies quantiques de Rennes - La cryptographie à l'épreuve du calcul quantique - May 2025, Rennes, France

• Séminaire de sécurité du LORIA - Reducing the Number of Qubits in Quantum Factoring - Apr. 2025, Nancy, France

2024

• ASK 2024 - Single-query quantum hidden shift attacks - Dec. 2024, Kolkata, India

• KULB Seminar on post-quantum cryptography - Reducing the Number of Qubits in Quantum Factoring - Apr. 2024, Brussels, Belgium (slides available on the website)

• QSI Spring School - Quantum Security of Symmetric Cryptosystems - March 2024, Porto, Portugal

  • Video and slides are available on the website

• Séminaire de cryptographie de l'université de Rennes - Quantum Linear Key-recovery Attacks using the QFT - Feb. 2024, Rennes, France slides

2023

• École de printemps recherche - Quantum computing and its impact on cryptography - Apr. 2023, University of Rennes, France

• Dagstuhl Seminar 23421: Quantum Cryptanalysis - Quantum Linear Key-recovery Attacks Using the QFT - Oct. 2023, Schloss Dagstuhl, Germany

• Séminaire de cryptographie de l'université de Rennes - Meet-in-the-middle Attacks on Permutations: Simplified Cell-based Modeling and Quantum Attacks - Jan. 2023, Rennes, France slides

2022

• Dagstuhl Seminar 22141: Symmetric Cryptography - April 2022, Schloss Dagstuhl, Germany

• Frisiacrypt 2022 - A Quantum Analysis of Nested Search Problems with Applications in Cryptanalysis - Sept. 2022, Terschelling, The Netherlands

2021

• Dagstuhl Seminar 21421: Quantum Cryptanalysis - Beyond Quadratic Speedups in Quantum Attacks on Symmetric Schemes - Oct. 2021, Schloss Dagstuhl, Germany

• Séminaire de cryptographie de l'université de Rennes - Quantum Cryptanalysis of Block Ciphers: Beyond Quadratic Speedups - Nov. 2021, Rennes, France

• Séminaire de l'équipe CARAMBA - Quantum cryptanalysis of block ciphers: quadratic speedups and beyond - Nov. 2021, Nancy, France slides

• Radboud Digital Security group Lunch Talk - Beyond quadratic speedups in quantum attacks on symmetric schemes - Oct. 2021, Nijmegen, Netherlands

• Séminaire Codage et Cryptographie (C2) - Quantum Tools for Symmetric Cryptanalysis - March 2021, Online

• A video recording of this presentation can be found here

2020

• Séminaire de cryptographie de l'UVSQ - Saturnin: A Suite of Lightweight Symmetric Algorithms for Post-quantum Security - Dec. 2020, Online

• Séminaire de cryptographie de l'université de Rennes - Improved Classical and Quantum Algorithms for Subset-Sum - March 2020, Rennes slides

2019

• QuAC: Quantum Algorithms for Cryptanalysis - New Algorithms for Quantum Symmetric Cryptanalysis - Workshop co-located with EUROCRYPT 2019, May 2019, Darmstadt, Germany

• Dagstuhl Seminar 21421: Quantum Cryptanalysis - Quantum Merging Algorithms - Oct. 2019, Schloss Dagstuhl, Germany

• Séminaire de cryptographie de l'UVSQ - Optimal Merging Trees in Quantum k-XOR Algorithms - March 2019, Versailles