Who am I ? #
I am an INRIA senior research scientist (DR2) at INRIA Nancy (Loria). I am the team leader of the CARAMBA research group.
I have a separate page with news.
Research interests #

The number field sieve and its cousins, notably for computing discrete logarithms over finite fields; relevant papers: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20. See also some software: cadonfs, as well as an example SageMath worksheet for NFS. Recent records also come with reproducibility data.

Sparse linear algebra over finite fields and the block Wiedemann algorithm; relevant papers: 1, 2, 3, 4, 5, 6. See also some software: cadonfs.

Curvebased cryptography, and general computation related to small genus algebraic curves over finite fields; relevant papers: 1, 2, 3, 4, 5, 6, 7, 8. See also some software: cmh.

Computer arithmetic in general, in particular finite field and polynomial arithmetic; relevant papers: 1, 2, 3, 4, 5. See also some software: gf2x, mpfq, mploc.
I have a separate page with the complete list of my publications.
Past grants #
I was the scientific leader (coordinator) of the ANR Catrel project, focusing on discrete logarithms over finite fields. (ANR Blanc project, 2013–2016).
I was the local correspondent of the ANR Chic project, focusing on hyperelliptic curves, isogenies, and point counting problems (scientific leader/coordinator: David Lubicz, IRMAR, Rennes). (ANR Blanc project, 2009–2012).
I was a member of the ANR Cado, focusing on the Number field sieve algorithm (scientific leader/coordinator: Pierrick Gaudry, LORIA). This project was the original source of funding that led to the cadonfs software.