Recent papers

• Isogeny Problems with Level Structure
  with Tako Boris Fouotsa, Lorenz Panny.
  EUROCRYPT 2024
• Proving knowledge of isogenies: a survey
  with Ward Beullens, Steven Galbraith, Christophe Petit.
  Designs, Codes and Cryptography
• SCALLOP: scaling the CSI-FiSh
  with Tako Boris Fouotsa, Péter Kutas, Antonin Leroux, Simon-Philipp Merz, Lorenz Panny, Benjamin Wesolowski.
  PKC 2023
• Supersingular Curves You Can Trust
  with Andrea Basso, Giulio Codogni, Deirdre Connolly, Tako Boris Fouotsa, Guido Maria Lido, Travis Morrison, Lorenz Panny, Sikhar Patranabis, Benjamin Wesolowski.
  EUROCRYPT 2023
• New algorithms for the Deuring correspondence: Towards practical and secure SQISign signatures
  with Antonin Leroux, Patrick Longa, Benjamin Wesolowski.
  EUROCRYPT 2023

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/