What a lovely hat
Is it made out of
tin foil
?
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Ward Beullens
Google Scholar
24
publications in security and cryptology related venues
Year
Venue
Title
2025
conf/eurocrypt
Improved Cryptanalysis of SNOVA.
Ward Beullens
2025
conf/eurocrypt
The 2Hash OPRF Framework and Efficient Post-quantum Instantiations.
Ward Beullens
Lucas Dodgson
Sebastian H. Faller
Julia Hesse
2025
conf/crypto
Shorter, Tighter, FAESTer: Optimizations and Improved (QROM) Analysis for VOLE-in-the-Head Signatures.
Carsten Baum
Ward Beullens
Lennart Braun
Cyprien Delpech de Saint Guilhem
Michael Klooß
Christian Majenz
Shibam Mukherjee
Emmanuela Orsini
Sebastian Ramacher
Christian Rechberger
Lawrence Roy
Peter Scholl
2024
journals/tches
Nibbling MAYO: Optimized Implementations for AVX2 and Cortex-M4.
Ward Beullens
Fabio Campos
Sofía Celi
Basil Hess
Matthias J. Kannwischer
2024
journals/cic
A Security Analysis of Restricted Syndrome Decoding Problems.
Ward Beullens
Pierre Briaud
Morten Øygarden
2024
conf/asiacrypt
One Tree to Rule Them All: Optimizing GGM Trees and OWFs for Post-Quantum Signatures.
Carsten Baum
Ward Beullens
Shibam Mukherjee
Emmanuela Orsini
Sebastian Ramacher
Christian Rechberger
Lawrence Roy
Peter Scholl
2024
conf/sacrypt
Multivariate Blind Signatures Revisited.
Ward Beullens
2023
journals/tches
Oil and Vinegar: Modern Parameters and Implementations.
Ward Beullens
Ming-Shing Chen
Shih-Hao Hung
Matthias J. Kannwischer
Bo-Yuan Peng
Cheng-Jhih Shih
Bo-Yin Yang
2023
conf/ccs
Lattice-Based Blind Signatures: Short, Efficient, and Round-Optimal.
Ward Beullens
Vadim Lyubashevsky
Ngoc Khanh Nguyen
Gregor Seiler
2023
conf/crypto
Graph-Theoretic Algorithms for the Alternating Trilinear Form Equivalence Problem.
Ward Beullens
2023
conf/crypto
LaBRADOR: Compact Proofs for R1CS from Module-SIS.
Ward Beullens
Gregor Seiler
2022
journals/tches
ECDSA White-Box Implementations: Attacks and Designs from CHES 2021 Challenge.
Guillaume Barbu
Ward Beullens
Emmanuelle Dottax
Christophe Giraud
Agathe Houzelot
Chaoyun Li
Mohammad Mahzoun
Adrián Ranea
Jianrui Xie
2022
conf/crypto
Breaking Rainbow Takes a Weekend on a Laptop.
Ward Beullens
2022
conf/eurocrypt
Group Signatures and More from Isogenies and Lattices: Generic, Simple, and Efficient.
Ward Beullens
Samuel Dobson
Shuichi Katsumata
Yi-Fu Lai
Federico Pintore
2021
conf/eurocrypt
Improved Cryptanalysis of UOV and Rainbow.
Ward Beullens
2021
conf/sacrypt
MAYO: Practical Post-quantum Signatures from Oil-and-Vinegar Maps.
Ward Beullens
2020
journals/tosc
Cryptanalysis of the Legendre PRF and Generalizations.
Ward Beullens
Tim Beyne
Aleksei Udovenko
Giuseppe Vitto
2020
conf/eurocrypt
Sigma Protocols for MQ, PKP and SIS, and Fishy Signature Schemes.
Ward Beullens
2020
conf/asiacrypt
Calamari and Falafl: Logarithmic (Linkable) Ring Signatures from Isogenies and Lattices.
Ward Beullens
Shuichi Katsumata
Federico Pintore
2020
conf/sacrypt
Not Enough LESS: An Improved Algorithm for Solving Code Equivalence Problems over $\mathbb {F}_q$.
Ward Beullens
2019
conf/pkc
Obfuscating Simple Functionalities from Knowledge Assumptions.
Ward Beullens
Hoeteck Wee
2019
conf/asiacrypt
CSI-FiSh: Efficient Isogeny Based Signatures Through Class Group Computations.
Ward Beullens
Thorsten Kleinjung
Frederik Vercauteren
2018
conf/asiacrypt
Practical Attacks Against the Walnut Digital Signature Scheme.
Ward Beullens
Simon R. Blackburn
2018
conf/sacrypt
Public Key Compression for Constrained Linear Signature Schemes.
Ward Beullens
Bart Preneel
Alan Szepieniec
Coauthors
Adrián Ranea
(1)
Agathe Houzelot
(1)
Alan Szepieniec
(1)
Aleksei Udovenko
(1)
Bart Preneel
(1)
Basil Hess
(1)
Bo-Yin Yang
(1)
Bo-Yuan Peng
(1)
Carsten Baum
(2)
Chaoyun Li
(1)
Cheng-Jhih Shih
(1)
Christian Majenz
(1)
Christian Rechberger
(2)
Christophe Giraud
(1)
Cyprien Delpech de Saint Guilhem
(1)
Emmanuela Orsini
(2)
Emmanuelle Dottax
(1)
Fabio Campos
(1)
Federico Pintore
(2)
Frederik Vercauteren
(1)
Giuseppe Vitto
(1)
Gregor Seiler
(2)
Guillaume Barbu
(1)
Hoeteck Wee
(1)
Jianrui Xie
(1)
Julia Hesse
(1)
Lawrence Roy
(2)
Lennart Braun
(1)
Lucas Dodgson
(1)
Matthias J. Kannwischer
(2)
Michael Klooß
(1)
Ming-Shing Chen
(1)
Mohammad Mahzoun
(1)
Morten Øygarden
(1)
Ngoc Khanh Nguyen
(1)
Peter Scholl
(2)
Pierre Briaud
(1)
Samuel Dobson
(1)
Sebastian H. Faller
(1)
Sebastian Ramacher
(2)
Shibam Mukherjee
(2)
Shih-Hao Hung
(1)
Shuichi Katsumata
(2)
Simon R. Blackburn
(1)
Sofía Celi
(1)
Thorsten Kleinjung
(1)
Tim Beyne
(1)
Vadim Lyubashevsky
(1)
Ward Beullens
(24)
Yi-Fu Lai
(1)
Filters
Crypto
Eurocrypt
Asiacrypt
Public Key Cryptography
Theory of Cryptography
Journal of Cryptology
Transactions on Symmetric Cryptology
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Fast Software Encryption
Cryptographic Hardware and Embedded Computing Conference
Usenix Security
IEEE Security and Privacy
ACM CCS
Network and Distributed System Security
Financial cryptography
Cryptographer's Track at RSA Conference (CT-RSA)
ESORICS
IEEE Transactions on Information Forensics and Security
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Journal of Information Security and Applications
IEEE Conference on Blockchains and Cryptocurrency (ICBC)
Asia CCS
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Symposium on Useful Privacy and Security
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Security and Privacy in Communication Networks
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Annual Computer Security Applications Conference
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IEEE Computer Security Foundations Workshop
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Selected Areas in Cryptology
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IFIP International Information Security Conference (SEC)
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IEEE International Symposium on Hardware Oriented Security and Trust
New Security Paradigms Workshop
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Australasian Conference on Information Security and Privacy
AfricaCrypt
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International Conference on Cyber Security and Resilience
Asia Joint Conference on information Security
International Conference on information Security Applications
ACM Asia Public-Key Cryptography Workshop
International Workshop on Lightweight Cryptography for Security and Privacy
Workshop on Fault Detection and Tolerance in Cryptography
International Conference on Blockchain Technology and Emerging Technologies
Provable Security
Cloud Computing Security Workshop (CCSW)
International Workshop on Security (IWSEC)
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