Publications

2024

Improving Linear Key Recovery Attacks using Walsh Spectrum Puncturing
Antonio Flórez-Gutiérrez and Yosuke Todo
Advances in Cryptology – EUROCRYPT 2024 (accepted)

2023

Linear Cryptanalysis
Kaisa Nyberg and Antonio Flórez-Gutiérrez
Chapter of Symmetric Cryptography, Volume 2: Cryptanalysis and Future Directions, eds. Christina Boura, and María Naya-Plasencia, Wiley.

Key Committing Security of AEZ and More
Yu Long Chen, Antonio Flórez-Gutiérrez, Akiko Inoue, Ryoma Ito, Tetsu Iwata, Kazuhiko Minematsu, Nicky Mouha, Yusuke Naito, Ferdinand Sibleyras, Yosuke Todo
Transactions on Symmetric Cryptology, 2023(4), 452–488

2022

Optimising Linear Key Recovery Attacks with Affine Walsh Transform Pruning
Antonio Flórez-Gutiérrez
Advances in Cryptology – ASIACRYPT 2022

Improved Differential-Linear Attacks with Applications to ARX Ciphers
Christof Beierle, Marek Broll, Federico Canale, Nicolas David, Antonio Flórez-Gutiérrez, Gregor Leander, María Naya-Plasencia, and Yosuke Todo
Journal of Cryptology 35, 29

Improved Differential-Linear Attacks on Round-Reduced Serpent
Marek Broll, Federico Canale, Nicolas David, Antonio Flórez-Gutiérrez, Gregor Leander, María Naya-Plasencia, and Yosuke Todo
CT-RSA 2022

2021

Generic Framework for Key-Gessing Improvements
Marek Broll, Federico Canale, Antonio Flórez-Gutiérrez, Gregor Leander, and María Naya-Plasencia
Advances in Cryptology – ASIACRYPT 2021

Internal Symmetries and Linear Properties: Full-permutation Distinguishers and Improved Collisions on Gimli
Antonio Flórez-Gutiérrez, Gaëtan Leurent, María Naya-Plasencia, Leo Perrin, André Schrottenloher, and Ferdinand Sybleyras
Journal of Cryptology 34, 45

2020

New Results on Gimli: Full-Permutation Distinguishers and Improved Collisions
Antonio Flórez-Gutiérrez, Gaëtan Leurent, María Naya-Plasencia, Leo Perrin, André Schrottenloher, and Ferdinand Sybleyras
Advances in Cryptology – ASIACRYPT 2020: Best Paper Award

Improving Key-Recovery in Linear Attacks: Application to 28-round PRESENT
Antonio Flórez-Gutiérrez, María Naya-Plasencia
Advances in Cryptology – EUROCRYPT 2020