Recent papers

• New algorithms for the Deuring correspondence: SQISign twice as fast
  with Antonin Leroux, Benjamin Wesolowski.
• SIKE Channels, Zero-Value Side-Channel Attacks on SIKE
  with Nadia El Mrabet, Aymeric Genêt, Novak Kaluđerović, Natacha Linard de Guertechin, Simon Pontié, Élise Tasso.
• On the security of OSIDH
  with Pierrick Dartois.
  PKC 2022
• SÉTA: Supersingular Encryption from Torsion Attacks
  with Cyprien Delpech de Saint Guilhem, Tako Boris Fouotsa, Péter Kutas, Antonin Leroux, Christophe Petit, Javier Silva, Benjamin Wesolowski, Benjamin Wesolowski.
  Advances in Cryptology – ASIACRYPT 2021
• SIDH Proof of Knowledge
  with Samuel Dobson, Steven Galbraith, Lukas Zobernig.

view more…

Lecture notes and theses

• Exploring Isogeny Graphs,
  Habilitation thesis, 220 pp, 2018.
• Mathematics of Isogeny Based Cryptography,
  Lecture notes, 44 pp, 2017.
• Fast Algorithms for Towers of Finite Fields and Isogenies,
  PhD thesis, 191 pp, 2010.

Selected software

• SQISign, C/libpari, 2020,
  Compact post-quantum signature based on isogenies.
• √élusqrt, C/Sagemath/Nemo/Magma, 2020,
  Asymptotically fastest isogeny evaluation and CSIDH implementation.
• Isogeny VDF, Sagemath, 2019–2020,
  Isogeny-based Verifiable Delay Function (PoC).
• Sagemath, Python, 2009–present,
  I am a modest contributor to this great software. Use it!.

find more projects on my GitHub page and learn more about my past activity with OpenDreamKit.

Selected talks, videos and more…

…find them at DeFeo.Lu/DOCET/