publications

Updatable Public-Key Encryption from FESTA
A. Basso, T. B. Fouotsa, F. Kouider, P. Kutas, L. Maino, L. Marco
ASIACRYPT 2026, to appear, preprint
CORAL: Faster Isogeny Group Action for Post-Quantum NIKE
A. Basso, G. Borin, R. Rueger, S. Schaeffler
CRYPTO 2026 Best Paper Authored by Early Career Researchers Award, preprint
PRISM with a pinch of salt: Simple, Efficient and Strongly Unforgeable Signatures from Isogenies
A. Basso, G. Borin, W. Castryck, M. Corte-Real Santos, R. Invernizzi, A. Leroux, L. Maino, F. Vercauteren, B. Wesolowski
Journal of Cryptology, to appear, preprint
The Algebraic Isogeny Model: A General Model with Applications to SQIsign and Key Exchanges
M. A. Aardal, A. Basso, D. Riepel
EUROCRYPT 2026, doi, preprint
Using Learning with Rounding to Instantiate Post-Quantum Cryptographic Algorithms
A. Basso, J. Bos, J.-P. D’Anvers, A. Karmakar, J. M. Bermudo Mera, J. Renes, S. Sinha Roy, F. Vercauteren, P. Wang, Y. Wang, S. Zhang, C. Zhong
ACM Transactions on Embedded Computing Systems, vol. 25, no. 4, 2026, doi, preprint
A Complete Security Proof of SQIsign
M. Aardal, A. Basso, L. De Feo, S. Patranabis, B. Wesolowski
CRYPTO 2025, preprint
PRISM: Simple And Compact Identification and Signatures From Large Prime Degree Isogenies
A. Basso, G. Borin, W. Castryck, M. Corte-Real Santos, R. Invernizzi, A. Leroux, L. Maino, F. Vercauteren, B. Wesolowski
PKC 2025 best paper award, preprint
POKÉ: A Compact and Efficient PKE from Higher-dimensional Isogenies
A. Basso, L. Maino
EUROCRYPT 2025, preprint
SQIsign2D-West: The Fast, the Small, and the Safer
A. Basso, P. Dartois, L. de Feo, A. Leroux, L. Maino, G. Pope, D. Robert, B. Wesolowski
ASIACRYPT 2024, preprint
Exploring SIDH-based Signature Parameters
A. Basso, M. Chen, T. B. Fouotsa, P. Kutas, A. Laval, L. Marco, G. T. Saah
ACNS 2024, preprint
New SIDH Countermeasures for a More Efficient Key Exchange
A. Basso, T. B. Fouotsa
ASIACRYPT 2023, preprint
FESTA: Fast Encryption from Supersingular Torsion Attacks
A. Basso, L. Maino, G. Pope
ASIACRYPT 2023, preprint
Kavach: Lightweight Masking Techniques for Polynomial Arithmetic in Lattice-based Cryptography
A. Aikata, A. Basso, G. Cassiers, A. C. Mert, S. Sinha Roy
CHES 2023, preprint
A Post-Quantum Round-Optimal Oblivious PRF from Isogenies
A. Basso
SAC 2023, preprint
Supersingular Curves You Can Trust
A. Basso, G. Codogni, D. Connolly, L. De Feo, T. B. Fouotsa, G. M. Lido, T. Morrison, L. Panny, S. Patranabis, B. Wesolowski
EUROCRYPT 2023, preprint
High-speed SABER Key Encapsulation Mechanism in 65nm CMOS
M. Imran, F. Almeida, A. Basso, S. Sinha Roy, S. Pagliarini
Journal of Cryptographic Engineering, vol. 13, no. 4, 2023, doi, preprint
Design Space Exploration of SABER in 65nm ASIC
M. Imran, F. Almeida, J. Raik, A. Basso, S. Sinha Roy, S. Pagliarini
ASHES 2021, preprint
Cryptanalysis of an Oblivious PRF from Supersingular Isogenies
A. Basso, P. Kutas, S.-P. Merz, C. Petit, A. Sanso
ASIACRYPT 2021, preprint
Optimized Polynomial Multiplier Architectures for Post-Quantum KEM Saber
A. Basso, S. Sinha Roy
DAC 2021, preprint
High-speed Instruction-set Coprocessor for Lattice-based Key Encapsulation Mechanism: Saber in Hardware
S. Sinha Roy, A. Basso
CHES 2020, preprint
On Adaptive Attacks against Jao-Urbanik’s Isogeny-Based Protocol
A. Basso, P. Kutas, S.-P. Merz, C. Petit, C. Weitkämper
AFRICACRYPT 2020, preprint
On the Supersingular GPST Attack
A. Basso, F. Pazuki
Journal of Mathematical Cryptology vol. 16, no. 1, 2022, preprint

preprints

Identity-Based Encryption from Isogenies
S. Agrawal, A. Basso, S. Patranabis
preprint
Forensic categories: a framework for SQIsign-like primitives
A. Basso, L. De Feo, S. Patranabis, I. Radulescu, B. Wesolowski
preprint
Isogeny-based Signatures with Randomizable Keys
A. Basso, G. Borin, M. Corte-Real Santos, P. Dartois, R. Invernizzi, L. Maino, R. Pedersen, M. Seck
preprint
Constant-time Quaternion Algorithms for SQIsign
A. Basso, C. He, D. Jacquemin, F. Kouider, P. Kutas, A. Mukherjee, S. Schaeffler, S. Sinha Roy
preprint

other works

SQIsign – Round 3 specification
the SQIsign team
NIST PQC Additional Signatures standardization process, specification
SQIsign – Round 2 specification
the SQIsign team
NIST PQC Additional Signatures standardization process, specification
SABER: Mod-LWR based KEM – Round 3 specification
A. Basso, J. Bermudo Mera, J. P. D’Anvers, A. Karmakar, S. Sinha Roy, M. Van Beirendonck, F. Vercauteren
NIST PQC standardization process, specification
Where Star Wars Meets Star Trek: SABER and Dilithium on the Same Polynomial Multiplier
A. Basso, F. Aydin, D. Dinu, J. Friel, A. Varna, M. Sastry, S. Ghosh
unpublished note, preprint
Design and analysis of isogeny-based static-key protocols
A. Basso
PhD thesis, document

talks

SQIsign in Round 3: Design, Security, and Open Problems
Swiss Crypto Day, ETH Zurich, September 4, 2026
slides
Identity-based Encryption from Isogenies
Swissogeny Day #6, Riva San Vitale, July 3, 2026
invited talk
The Algebraic Isogeny Model
OIST TSVP Thematic Program “Isogeny-Based Cryptography”, Okinawa, February 2026
invited talk
The Algebraic Isogeny Model
Leuven Isogeny Days 6, Leuven, September 12th, 2025
invited talk, slides
SQIsign: Across the Multiverse
SIAM AG25, Madison, July 8th, 2025
Isogeny Crypto Goes Full Theta
AGC²T 2025, Luminy, June 13th, 2025
POKÉ: A Compact and Efficient PKE from Higher-dimensional Isogenies
EUROCRYPT 2025, Madrid, May 5th, 2025
paper presentation, slides
SQIsign: New Trends and a Complete Security Proof
Neuchâtel — St.Gallen — Zurich Seminar in Coding Theory and Cryptography, Zurich, April 2nd, 2025
slides
SQIsign2D: an introduction
ASIACRYPT 2024, Kolkata, December 10, 2024
slides
POKÉ: an efficient PKE from higher-dimensional isogenies
Leuven Isogeny Days 5, Leuven, September 13, 2024
slides
POKÉ: A Framework for Efficient PKEs, Split KEMs, and OPRFs from Higher-dimensional Isogenies
Isogeny Club — Christmas Special, Zurich, May 26th, 2024
invited talk, slides and recording
FESTA: Fast Encryption from Supersingular Torsion Attacks
ASIACRYPT 2023, Guangzhou, December 8th, 2023
paper presentation, slides
New SIDH Countermeasures for More Efficient Key Exchanges
ASIACRYPT 2023, Guangzhou, December 5th, 2023
paper presentation, slides
New SIDH Countermeasures for More Efficient Key Exchanges
Leuven Isogeny Days 4, Leuven, October 11th, 2023
invited talk, slides
FESTA: Fast Encryption from Supersingular Torsion Attacks
BIRS “Isogeny Graphs in Cryptography” Workshop, Banff, August 22nd, 2023
invited talk, recording
FESTA: Fast Encryption from Supersingular Torsion Attacks
IBM Research Seminar, Zurich, July 20th, 2023
Supersingular Curves You Can Trust
EUROCRYPT 2023, Lyon, April 26th, 2023
paper presentation, slides and recording
A Post-Quantum Round-Optimal Oblivious PRF from Isogenies
Isogeny Club, virtual event, February 14th, 2023
slides and recording
A Post-Quantum Round-Optimal Oblivious PRF from Isogenies
Bristol Cryptography Seminar, Bristol, November 14th, 2022
A Post-Quantum Oblivious PRF from Isogenies
PQCifris 2022, Trento, October 2022
Adaptive Attacks on SIDH-based Protocols
Isogeny-based Cryptography Workshop, Birmingham, March 17th, 2022
slides
Cryptanalysis of an Oblivious PRF from Supersingular Isogenies
ASIACRYPT 2021, virtual event, December 6th – 10th, 2021
paper presentation, recording
Optimized Polynomial Multiplier Architectures for Post-Quantum KEM Saber
DAC 2021, virtual event, December 5th – 9th, 2021
paper presentation
Lattice-based cryptography and SABER
Budapest Quantum CS Seminar, virtual event, March 25th, 2021
High-speed Instruction-set Coprocessor for Lattice-based Key Encapsulation Mechanism: Saber in Hardware
CHES 2020, virtual event, September 14th – 18th, 2020
paper presentation, recording
SABER: a post-quantum lattice-based protocol
PQCifris Seminar, virtual event, August 24th, 2020
invited speaker, recording (in Italian)