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Wessel van Woerden

Researcher in Cryptology

PQShield

About Me

Hi, currently I am working as a cryptography researcher at PQShield. Before this I was a post-doctoral researcher in the Number Theory group at the Institut de Mathématiques de Bordeaux. From 2018 to 2022 I was a PhD student of Léo Ducas at CWI in Amsterdam, and I obtained my doctorate at Leiden University in February 2023.

I like working on the border between Mathematics and Computer Science, with a main love for algorithms. Lattices are a returning object in my research: tensored root lattices (BsC Thesis), enumeration of perfect lattices (MsC Thesis), and lattice based cryptanalysis (PhD).

Interests

  • Cryptanalysis
  • Lattices
  • Algorithms

Education

  • Researcher in Cryptology, Currently

    PQShield

  • Post-doc in Cryptology, 2025

    Institut de Mathématiques de Bordeaux

  • PhD in Cryptology, 2023

    Centrum Wiskunde & Informatica (CWI) & Leiden University

  • MSc in Mathematics, 2018

    Leiden University

  • BSc in Mathematics & Computer Science, 2016

    Leiden University

Publications

FuLeakage: Breaking FuLeeca by Learning Attacks.
PDF
Felicitas Hörmann, Wessel van Woerden
Crypto, 2024.
Lattice Cryptography: from Cryptanalysis to New Foundations.
PDF
Wessel van Woerden
PhD Thesis, Leiden University, 2023.
Hawk: Module LIP makes lattice signatures fast, compact and simple.
PDF
Léo Ducas, Eamonn W Postlethwaite, Ludo N Pulles, Wessel van Woerden
Asiacrypt, 2023.
On the Lattice Isomorphism Problem, Quadratic Forms, Remarkable Lattices, and Cryptography.
PDF
Léo Ducas, Wessel van Woerden
Eurocrypt, 2022.
An Algorithmic Reduction Theory for Binary Codes: LLL and more.
PDF
Thomas Debris–Alazard, Léo Ducas, Wessel van Woerden
IEEE Transactions on Information Theory, 2022.
NTRU Fatigue: How Stretched is Overstretched?.
PDF
Léo Ducas, Wessel van Woerden
Asiacrypt, 2021.
Advanced Lattice Sieving on GPUs, with Tensor Cores.
PDF
Léo Ducas, Marc Stevens, Wessel van Woerden
Eurocrypt, 2021.
A Canonical Form for Positive Definite Matrices.
PDF
Mathieu Dutour Sikirić, Anna Haensch, John Voight, Wessel PJ van Woerden
ANTS, 2020.
An upper bound on the number of perfect quadratic forms.
PDF
Wessel PJ van Woerden
Advances in Mathematics, 2020.
The randomized slicer for CVPP: sharper, faster, smaller, batchier.
PDF
Léo Ducas, Thijs Laarhoven, Wessel PJ van Woerden
PKC, 2020.
Perfect Quadratic forms: an Upper Bound and Challenges in Enumeration.
PDF
Wessel PJ van Woerden
Master Thesis, Leiden University, 2018.
The closest vector problem in tensored root lattices of type A and in their duals.
PDF
Léo Ducas, Wessel PJ van Woerden
Designs, Codes and Cryptography, 2018.

Talks

Recent & Upcoming

Lecture: Lattice cryptography and cryptanalysis
Slides Video
Mar 14, 2024 PQC Spring School 2024, QSI, Porto, Portugal
[Co-organized] Attacc: Workshop on Lattice- and Code-Based Cryptanalysis
PDF
Feb 5, 2024 German Aerospace Center (DLR), Oberpfaffenhofen, Germany
On LIP, Cryptography and the Signature Scheme HAWK
Slides
Feb 22, 2023 RISC Seminar on Lattice-based Cryptography, CWI, Amsterdam
An Algorithmic Reduction Theory for Binary Codes: LLL and More
Slides
Jan 31, 2023 LFANT Seminar, Institut de Mathématiques de Bordeaux
On LIP, Cryptography and the Signature Scheme HAWK
Slides
Jan 27, 2023 Séminaire de Cryptographie, Inria, Rennes
See all talks