Wouter Castryck

According to our database, Wouter Castryck authored at least 41 papers between 2006 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2024

Breaking and Repairing SQIsign2D-East.

Wouter Castryck, Mingjie Chen, Riccardo Invernizzi, Gioella Lorenzon, Frederik Vercauteren

IACR Cryptol. ePrint Arch., 2024

Generalized class group actions on oriented elliptic curves with level structure.

Sarah Arpin, Wouter Castryck, Jonathan Komada Eriksen, Gioella Lorenzon, Frederik Vercauteren

IACR Cryptol. ePrint Arch., 2024

2023

An infinite class of Neumaier graphs and non-existence results.

Aida Abiad, Wouter Castryck, Maarten De Boeck, Jack H. Koolen, Sjanne Zeijlemaker

J. Comb. Theory A, 2023

A polynomial-time attack on instances of M-SIDH and FESTA.

Wouter Castryck, Frederik Vercauteren

IACR Cryptol. ePrint Arch., 2023

Weak instances of class group action based cryptography via self-pairings.

Wouter Castryck, Marc Houben, Simon-Philipp Merz, Marzio Mula, Sam van Buuren, Frederik Vercauteren

IACR Cryptol. ePrint Arch., 2023

An Efficient Key Recovery Attack on SIDH.

Wouter Castryck, Thomas Decru

Proceedings of the Advances in Cryptology - EUROCRYPT 2023, 2023

2022

Breaking the Decisional Diffie-Hellman Problem for Class Group Actions Using Genus Theory: Extended Version.

Wouter Castryck, Jana Sotáková, Frederik Vercauteren

J. Cryptol., 2022

Two remarks on the vectorization problem.

Wouter Castryck, Natan Vander Meeren

IACR Cryptol. ePrint Arch., 2022

On the decisional Diffie-Hellman problem for class group actions on oriented elliptic curves.

Wouter Castryck, Marc Houben, Frederik Vercauteren, Benjamin Wesolowski

IACR Cryptol. ePrint Arch., 2022

Horizontal racewalking using radical isogenies.

Wouter Castryck, Thomas Decru, Marc Houben, Frederik Vercauteren

IACR Cryptol. ePrint Arch., 2022

An efficient key recovery attack on SIDH (preliminary version).

Wouter Castryck, Thomas Decru

IACR Cryptol. ePrint Arch., 2022

2021

A fusion algorithm for solving the hidden shift problem in finite abelian groups.

Wouter Castryck, Ann Dooms, Carlo Emerencia, Alexander Lemmens

IACR Cryptol. ePrint Arch., 2021

Multiradical isogenies.

Wouter Castryck, Thomas Decru

IACR Cryptol. ePrint Arch., 2021

SoK: On the Security of Cryptographic Problems from Linear Algebra.

Carl Bootland, Wouter Castryck, Alan Szepieniec, Frederik Vercauteren

IACR Cryptol. ePrint Arch., 2021

2020

Hash functions from superspecial genus-2 curves using Richelot isogenies.

Wouter Castryck, Thomas Decru, Benjamin Smith

J. Math. Cryptol., 2020

A framework for cryptographic problems from linear algebra.

Carl Bootland, Wouter Castryck, Alan Szepieniec, Frederik Vercauteren

J. Math. Cryptol., 2020

Efficiently Processing Complex-Valued Data in Homomorphic Encryption.

Carl Bootland, Wouter Castryck, Ilia Iliashenko, Frederik Vercauteren

J. Math. Cryptol., 2020

Breaking the decisional Diffie-Hellman problem for class group actions using genus theory.

Wouter Castryck, Jana Sotáková, Frederik Vercauteren

IACR Cryptol. ePrint Arch., 2020

Radical isogenies.

Wouter Castryck, Thomas Decru, Frederik Vercauteren

IACR Cryptol. ePrint Arch., 2020

2019

Rational isogenies from irrational endomorphisms.

Wouter Castryck, Lorenz Panny, Frederik Vercauteren

IACR Cryptol. ePrint Arch., 2019

CSIDH on the surface.

Wouter Castryck, Thomas Decru

IACR Cryptol. ePrint Arch., 2019

2018

CSIDH: An Efficient Post-Quantum Commutative Group Action.

Wouter Castryck, Tanja Lange, Chloe Martindale, Lorenz Panny, Joost Renes

IACR Cryptol. ePrint Arch., 2018

On the Security of the Multivariate Ring Learning with Errors Problem.

Carl Bootland, Wouter Castryck, Frederik Vercauteren

IACR Cryptol. ePrint Arch., 2018

Translating Between the Roots of the Identity in Quantum Computers.

Wouter Castryck, Jeroen Demeyer, Alexis De Vos, Oliver Keszöcze, Mathias Soeken

Proceedings of the 48th IEEE International Symposium on Multiple-Valued Logic, 2018

Homomorphic SIM ^2 D Operations: Single Instruction Much More Data.

Wouter Castryck, Ilia Iliashenko, Frederik Vercauteren

Proceedings of the Advances in Cryptology - EUROCRYPT 2018 - 37th Annual International Conference on the Theory and Applications of Cryptographic Techniques, Tel Aviv, Israel, April 29, 2018

2017

Homomorphic SIM²D Operations: Single Instruction Much More Data.

Wouter Castryck, Ilia Iliashenko, Frederik Vercauteren

IACR Cryptol. ePrint Arch., 2017

Faster Homomorphic Function Evaluation using Non-Integral Base Encoding.

Charlotte Bonte, Carl Bootland, Joppe W. Bos, Wouter Castryck, Ilia Iliashenko, Frederik Vercauteren

IACR Cryptol. ePrint Arch., 2017

Hypersurfaces in weighted projective spaces over finite fields with applications to coding theory.

Yves Aubry, Wouter Castryck, Sudhir R. Ghorpade, Gilles Lachaud, Michael E. O'Sullivan, Samrith Ram

CoRR, 2017

2016

On error distributions in ring-based LWE.

Wouter Castryck, Ilia Iliashenko, Frederik Vercauteren

LMS J. Comput. Math., 2016

On the tightness of the error bound in Ring-LWE.

Wouter Castryck, Ilia Iliashenko, Frederik Vercauteren

IACR Cryptol. ePrint Arch., 2016

Provably Weak Instances of Ring-LWE Revisited.

Wouter Castryck, Ilia Iliashenko, Frederik Vercauteren

IACR Cryptol. ePrint Arch., 2016

Privacy-friendly Forecasting for the Smart Grid using Homomorphic Encryption and the Group Method of Data Handling.

Joppe W. Bos, Wouter Castryck, Ilia Iliashenko, Frederik Vercauteren

IACR Cryptol. ePrint Arch., 2016

2015

The lattice size of a lattice polygon.

Wouter Castryck, Filip Cools

J. Comb. Theory A, 2015

2014

Constraints on counterexamples to the Casas-Alvero conjecture and a verification in degree 12.

Wouter Castryck, Robert Laterveer, Myriam Ounaïes

Math. Comput., 2014

Curves in characteristic 2 with non-trivial 2-torsion.

Wouter Castryck, Marco Streng, Damiano Testa

Adv. Math. Commun., 2014

2012

Moving Out the Edges of a Lattice Polygon.

Wouter Castryck

Discret. Comput. Geom., 2012

2011

Toric forms of elliptic curves and their arithmetic.

Wouter Castryck, Frederik Vercauteren

J. Symb. Comput., 2011

2008

A Shortened Classical Proof of the Quadratic Reciprocity Law.

Wouter Castryck

Am. Math. Mon., 2008

Efficient arithmetic on elliptic curves using a mixed Edwards-Montgomery representation.

Wouter Castryck, Steven D. Galbraith, Reza Rezaeian Farashahi

IACR Cryptol. ePrint Arch., 2008

Computing Zeta Functions in Families of Ca, b.

Wouter Castryck, Hendrik Hubrechts, Frederik Vercauteren

Proceedings of the Algorithmic Number Theory, 8th International Symposium, 2008

2006

Computing Zeta Functions of Nondegenerate Curves.

Wouter Castryck, Jan Denef, Frederik Vercauteren

IACR Cryptol. ePrint Arch., 2006