Lorenzo Grassi

94 papers A* 3B 2Misc 6Journal 63Unranked 20
YearRankTypeTitle / Venue / Authors
2026 J jnl
Corrigendum to "Invertible Quadratic Non-Linear Layers for MPC-/FHE-/ZK-Friendly Schemes over F
IACR Trans. Symmetric Cryptol.
Matilda Urani, Lorenzo Grassi
2026 J jnl
Poseidon(2)b: Binary Field Versions of Poseidon/Poseidon2.
IACR Commun. Cryptol.
Lorenzo Grassi, Dmitry Khovratovich, Katharina Koschatko, Christian Rechberger, Markus Schofnegger, Verena Schröppel, Zhuo Wu
2025 J jnl
On generalizations of the Lai-Massey scheme.
Des. Codes Cryptogr.
Lorenzo Grassi
2025 J jnl
Poseidon and Neptune: Gröbner Basis Cryptanalysis Exploiting Subspace Trails.
IACR Cryptol. ePrint Arch.
Lorenzo Grassi, Katharina Koschatko, Christian Rechberger
2025 J jnl
Poseidon and Neptune: Gröbner Basis Cryptanalysis Exploiting Subspace Trails.
IACR Trans. Symmetric Cryptol.
Lorenzo Grassi, Katharina Koschatko, Christian Rechberger
2025 J jnl
Poseidon2b: A Binary Field Version of Poseidon2.
IACR Cryptol. ePrint Arch.
Lorenzo Grassi, Dmitry Khovratovich, Katharina Koschatko, Christian Rechberger, Markus Schofnegger, Verena Schröppel
2025 J jnl
Skyscraper: Fast Hashing on Big Primes.
IACR Cryptol. ePrint Arch.
Clémence Bouvier, Lorenzo Grassi, Dmitry Khovratovich, Katharina Koschatko, Christian Rechberger, Fabian Schmid, Markus Schofnegger
2025 J jnl
Skyscraper: Fast Hashing on Big Primes.
IACR Trans. Cryptogr. Hardw. Embed. Syst.
Clémence Bouvier, Lorenzo Grassi, Dmitry Khovratovich, Katharina Koschatko, Christian Rechberger, Fabian Schmid, Markus Schofnegger
2025 J jnl
mid-pSquare: Leveraging the Strong Side-Channel Security of Prime-Field Masking in Software.
IACR Cryptol. ePrint Arch.
Brieuc Balon, Lorenzo Grassi, Pierrick Méaux, Thorben Moos, François-Xavier Standaert, Matthias Johann Steiner
2025 J jnl
mid-pSquare: Leveraging the Strong Side-Channel Security of Prime-Field Masking in Software.
IACR Trans. Cryptogr. Hardw. Embed. Syst.
Brieuc Balon, Lorenzo Grassi, Pierrick Méaux, Thorben Moos, François-Xavier Standaert, Matthias Johann Steiner
2024 — conf
General Practical Cryptanalysis of the Sum of Round-Reduced Block Ciphers and ZIP-AES.
ASIACRYPT (9)
Antonio Flórez-Gutiérrez, Lorenzo Grassi, Gregor Leander, Ferdinand Sibleyras, Yosuke Todo
2024 J jnl
General Practical Cryptanalysis of the Sum of Round-Reduced Block Ciphers and ZIP-AES.
IACR Cryptol. ePrint Arch.
Antonio Flórez-Gutiérrez, Lorenzo Grassi, Gregor Leander, Ferdinand Sibleyras, Yosuke Todo
2024 J jnl
Generalized Feistel Ciphers for Efficient Prime Field Masking - Full Version.
IACR Cryptol. ePrint Arch.
Lorenzo Grassi, Loïc Masure, Pierrick Méaux, Thorben Moos, François-Xavier Standaert
2024 — conf
Generalized Feistel Ciphers for Efficient Prime Field Masking.
EUROCRYPT (3)
Lorenzo Grassi, Loïc Masure, Pierrick Méaux, Thorben Moos, François-Xavier Standaert
2024 J jnl
Minimize the Randomness in Rasta-Like Designs: How Far Can We Go?
IACR Cryptol. ePrint Arch.
Lorenzo Grassi, Fukang Liu, Christian Rechberger, Fabian Schmid, Roman Walch, Qingju Wang
2024 — conf
Minimize the Randomness in Rasta-Like Designs: How Far Can We Go? - Application to Pasta.
SAC (2)
Lorenzo Grassi, Fukang Liu, Christian Rechberger, Fabian Schmid, Roman Walch, Qingju Wang
2024 J jnl
Monolith: Circuit-Friendly Hash Functions with New Nonlinear Layers for Fast and Constant-Time Implementations.
IACR Trans. Symmetric Cryptol.
Lorenzo Grassi, Dmitry Khovratovich, Reinhard Lüftenegger, Christian Rechberger, Markus Schofnegger, Roman Walch
2024 J jnl
Opening the Blackbox: Collision Attacks on Round-Reduced Tip5, Tip4, Tip4' and Monolith.
IACR Cryptol. ePrint Arch.
Fukang Liu, Katharina Koschatko, Lorenzo Grassi, Hailun Yan, Shiyao Chen, Subhadeep Banik, Willi Meier
2024 J jnl
Opening the Blackbox: Collision Attacks on Round-Reduced Tip5, Tip4, Tip4' and Monolith.
IACR Trans. Symmetric Cryptol.
Fukang Liu, Katharina Koschatko, Lorenzo Grassi, Hailun Yan, Shiyao Chen, Subhadeep Banik, Willi Meier
2023 J jnl
Bounded Surjective Quadratic Functions over Fnp for MPC-/ZK-/FHE-Friendly Symmetric Primitives.
IACR Trans. Symmetric Cryptol.
Lorenzo Grassi
2023 — conf
Coefficient Grouping for Complex Affine Layers.
CRYPTO (3)
Fukang Liu, Lorenzo Grassi, Clémence Bouvier, Willi Meier, Takanori Isobe
2023 J jnl
Coefficient Grouping for Complex Affine Layers.
IACR Cryptol. ePrint Arch.
Fukang Liu, Lorenzo Grassi, Clémence Bouvier, Willi Meier, Takanori Isobe
2023 — conf
Cryptanalysis of Symmetric Primitives over Rings and a Key Recovery Attack on Rubato.
CRYPTO (3)
Lorenzo Grassi, Irati Manterola Ayala, Martha Norberg Hovd, Morten Øygarden, Håvard Raddum, Qingju Wang
2023 J jnl
Cryptanalysis of Symmetric Primitives over Rings and a Key Recovery Attack on Rubato.
IACR Cryptol. ePrint Arch.
Lorenzo Grassi, Irati Manterola Ayala, Martha Norberg Hovd, Morten Øygarden, Håvard Raddum, Qingju Wang
2023 — conf
From Farfalle to Megafono via Ciminion: The PRF Hydra for MPC Applications.
EUROCRYPT (4)
Lorenzo Grassi, Morten Øygarden, Markus Schofnegger, Roman Walch
2023 J jnl
Hash Functions Monolith for ZK Applications: May the Speed of SHA-3 be With You.
IACR Cryptol. ePrint Arch.
Lorenzo Grassi, Dmitry Khovratovich, Reinhard Lüftenegger, Christian Rechberger, Markus Schofnegger, Roman Walch
2023 — conf
Horst Meets Fluid-SPN: Griffin for Zero-Knowledge Applications.
CRYPTO (3)
Lorenzo Grassi, Yonglin Hao, Christian Rechberger, Markus Schofnegger, Roman Walch, Qingju Wang
2023 J jnl
Invertible Quadratic Non-Linear Functions over 픽
IACR Cryptol. ePrint Arch.
Ginevra Giordani, Lorenzo Grassi, Silvia Onofri, Marco Pedicini
2023 — conf
Invertible Quadratic Non-linear Functions over $\mathbb {F}_p^n$ via Multiple Local Maps.
AFRICACRYPT
Ginevra Giordani, Lorenzo Grassi, Silvia Onofri, Marco Pedicini
2023 J jnl
Pasta: A Case for Hybrid Homomorphic Encryption.
IACR Trans. Cryptogr. Hardw. Embed. Syst.
Christoph Dobraunig, Lorenzo Grassi, Lukas Helminger, Christian Rechberger, Markus Schofnegger, Roman Walch
2023 — conf
Poseidon2: A Faster Version of the Poseidon Hash Function.
AFRICACRYPT
Lorenzo Grassi, Dmitry Khovratovich, Markus Schofnegger
2023 J jnl
Poseidon2: A Faster Version of the Poseidon Hash Function.
IACR Cryptol. ePrint Arch.
Lorenzo Grassi, Dmitry Khovratovich, Markus Schofnegger
2022 J jnl
A New Feistel Approach Meets Fluid-SPN: Griffin for Zero-Knowledge Applications.
IACR Cryptol. ePrint Arch.
Lorenzo Grassi, Yonglin Hao, Christian Rechberger, Markus Schofnegger, Roman Walch, Qingju Wang
2022 J jnl
Differential Trail Search in Cryptographic Primitives with Big-Circle Chi: Application to Subterranean.
IACR Trans. Symmetric Cryptol.
Alireza Mehrdad, Silvia Mella, Lorenzo Grassi, Joan Daemen
2022 J jnl
From Farfalle to Megafono via Ciminion: The PRF Hydra for MPC Applications.
IACR Cryptol. ePrint Arch.
Lorenzo Grassi, Morten Øygarden, Markus Schofnegger, Roman Walch
2022 J jnl
Influence of the Linear Layer on the Algebraic Degree in SP-Networks.
IACR Trans. Symmetric Cryptol.
Carlos Cid, Lorenzo Grassi, Aldo Gunsing, Reinhard Lüftenegger, Christian Rechberger, Markus Schofnegger
2022 J jnl
Invertible Quadratic Non-Linear Layers for MPC-/FHE-/ZK-Friendly Schemes over Fnp Application to Poseidon.
IACR Trans. Symmetric Cryptol.
Lorenzo Grassi, Silvia Onofri, Marco Pedicini, Luca Sozzi
2022 J jnl
On Generalizations of the Lai-Massey Scheme: the Birth of Amaryllises.
IACR Cryptol. ePrint Arch.
Lorenzo Grassi
2022 A* conf
Reinforced Concrete: A Fast Hash Function for Verifiable Computation.
CCS
Lorenzo Grassi, Dmitry Khovratovich, Reinhard Lüftenegger, Christian Rechberger, Markus Schofnegger, Roman Walch
2022 — conf
Security of Truncated Permutation Without Initial Value.
ASIACRYPT (2)
Lorenzo Grassi, Bart Mennink
2022 J jnl
Security of Truncated Permutation Without Initial Value.
IACR Cryptol. ePrint Arch.
Lorenzo Grassi, Bart Mennink
2022 J jnl
The Legendre Symbol and the Modulo-2 Operator in Symmetric Schemes over Fnp Preimage Attack on Full Grendel.
IACR Trans. Symmetric Cryptol.
Lorenzo Grassi, Dmitry Khovratovich, Sondre Rønjom, Markus Schofnegger
2022 Misc conf
Truncated Differential Properties of the Diagonal Set of Inputs for 5-Round AES.
ACISP
Lorenzo Grassi, Christian Rechberger
2022 J jnl
Weak Bijective Quadratic Functions over 픽
IACR Cryptol. ePrint Arch.
Lorenzo Grassi
2021 — conf
Ciminion: Symmetric Encryption Based on Toffoli-Gates over Large Finite Fields.
EUROCRYPT (2)
Christoph Dobraunig, Lorenzo Grassi, Anna Guinet, Daniël Kuijsters
2021 J jnl
Ciminion: Symmetric Encryption Based on Toffoli-Gates over Large Finite Fields.
IACR Cryptol. ePrint Arch.
Christoph Dobraunig, Lorenzo Grassi, Anna Guinet, Daniël Kuijsters
2021 J jnl
Invertible Quadratic Non-Linear Layers for MPC-/FHE-/ZK-Friendly Schemes over 픽
IACR Cryptol. ePrint Arch.
Lorenzo Grassi, Silvia Onofri, Marco Pedicini, Luca Sozzi
2021 J jnl
Pasta: A Case for Hybrid Homomorphic Encryption.
IACR Cryptol. ePrint Arch.
Christoph Dobraunig, Lorenzo Grassi, Lukas Helminger, Christian Rechberger, Markus Schofnegger, Roman Walch
2021 A* conf
Poseidon: A New Hash Function for Zero-Knowledge Proof Systems.
USENIX Security Symposium
Lorenzo Grassi, Dmitry Khovratovich, Christian Rechberger, Arnab Roy, Markus Schofnegger
2021 J jnl
Proving Resistance Against Infinitely Long Subspace Trails: How to Choose the Linear Layer.
IACR Trans. Symmetric Cryptol.
Lorenzo Grassi, Christian Rechberger, Markus Schofnegger
2021 J jnl
Reinforced Concrete: Fast Hash Function for Zero Knowledge Proofs and Verifiable Computation.
IACR Cryptol. ePrint Arch.
Mario Barbara, Lorenzo Grassi, Dmitry Khovratovich, Reinhard Lüftenegger, Christian Rechberger, Markus Schofnegger, Roman Walch
2021 J jnl
The Legendre Symbol and the Modulo-2 Operator in Symmetric Schemes over (F_p)^n.
IACR Cryptol. ePrint Arch.
Lorenzo Grassi, Dmitry Khovratovich, Sondre Rønjom, Markus Schofnegger
2020 Misc conf
Algebraic Key-Recovery Attacks on Reduced-Round Xoofff.
SAC
Tingting Cui, Lorenzo Grassi
2020 J jnl
Algebraic Key-Recovery Attacks on Reduced-Round Xoofff.
IACR Cryptol. ePrint Arch.
Tingting Cui, Lorenzo Grassi
2020 — conf
An Algebraic Attack on Ciphers with Low-Degree Round Functions: Application to Full MiMC.
ASIACRYPT (1)
Maria Eichlseder, Lorenzo Grassi, Reinhard Lüftenegger, Morten Øygarden, Christian Rechberger, Markus Schofnegger, Qingju Wang
2020 J jnl
An Algebraic Attack on Ciphers with Low-Degree Round Functions: Application to Full MiMC.
IACR Cryptol. ePrint Arch.
Maria Eichlseder, Lorenzo Grassi, Reinhard Lüftenegger, Morten Øygarden, Christian Rechberger, Markus Schofnegger, Qingju Wang
2020 J jnl
Higher-Order Differentials of Ciphers with Low-Degree S-Boxes.
IACR Cryptol. ePrint Arch.
Carlos Cid, Lorenzo Grassi, Reinhard Lüftenegger, Christian Rechberger, Markus Schofnegger
2020 Misc conf
Mixture Integral Attacks on Reduced-Round AES with a Known/Secret S-Box.
INDOCRYPT
Lorenzo Grassi, Markus Schofnegger
2020 — conf
On a Generalization of Substitution-Permutation Networks: The HADES Design Strategy.
EUROCRYPT (2)
Lorenzo Grassi, Reinhard Lüftenegger, Christian Rechberger, Dragos Rotaru, Markus Schofnegger
2020 J jnl
Revisiting Gilbert's known-key distinguisher.
Des. Codes Cryptogr.
Lorenzo Grassi, Christian Rechberger
2020 J jnl
Weak Linear Layers in Word-Oriented Partial SPN and HADES-Like Ciphers.
IACR Cryptol. ePrint Arch.
Lorenzo Grassi, Christian Rechberger, Markus Schofnegger
2020 Misc conf
Weak-Key Distinguishers for AES.
SAC
Lorenzo Grassi, Gregor Leander, Christian Rechberger, Cihangir Tezcan, Friedrich Wiemer
2019 — conf
Algebraic Cryptanalysis of STARK-Friendly Designs: Application to MARVELlous and MiMC.
ASIACRYPT (3)
Martin R. Albrecht, Carlos Cid, Lorenzo Grassi, Dmitry Khovratovich, Reinhard Lüftenegger, Christian Rechberger, Markus Schofnegger
2019 J jnl
Algebraic Cryptanalysis of STARK-Friendly Designs: Application to MARVELlous and MiMC.
IACR Cryptol. ePrint Arch.
Martin R. Albrecht, Carlos Cid, Lorenzo Grassi, Dmitry Khovratovich, Reinhard Lüftenegger, Christian Rechberger, Markus Schofnegger
2019 — conf
Feistel Structures for MPC, and More.
ESORICS (2)
Martin R. Albrecht, Lorenzo Grassi, Léo Perrin, Sebastian Ramacher, Christian Rechberger, Dragos Rotaru, Arnab Roy, Markus Schofnegger
2019 J jnl
Feistel Structures for MPC, and More.
IACR Cryptol. ePrint Arch.
Martin R. Albrecht, Lorenzo Grassi, Léo Perrin, Sebastian Ramacher, Christian Rechberger, Dragos Rotaru, Arnab Roy, Markus Schofnegger
2019 J jnl
Mixture Integral Attacks on Reduced-Round AES with a Known/Secret S-Box.
IACR Cryptol. ePrint Arch.
Lorenzo Grassi, Markus Schofnegger
2019 J jnl
On a Generalization of Substitution-Permutation Networks: The HADES Design Strategy.
IACR Cryptol. ePrint Arch.
Lorenzo Grassi, Reinhard Lüftenegger, Christian Rechberger, Dragos Rotaru, Markus Schofnegger
2019 Misc conf
Probabilistic Mixture Differential Cryptanalysis on Round-Reduced AES.
SAC
Lorenzo Grassi
2019 J jnl
Starkad and Poseidon: New Hash Functions for Zero Knowledge Proof Systems.
IACR Cryptol. ePrint Arch.
Lorenzo Grassi, Daniel Kales, Dmitry Khovratovich, Arnab Roy, Christian Rechberger, Markus Schofnegger
2019 J jnl
Weak-Key Subspace Trails and Applications to AES.
IACR Cryptol. ePrint Arch.
Lorenzo Grassi, Gregor Leander, Christian Rechberger, Cihangir Tezcan, Friedrich Wiemer
2018 B conf
MixColumns Properties and Attacks on (Round-Reduced) AES with a Single Secret S-Box.
CT-RSA
Lorenzo Grassi
2018 J jnl
Mixture Differential Cryptanalysis: a New Approach to Distinguishers and Attacks on round-reduced AES.
IACR Trans. Symmetric Cryptol.
Lorenzo Grassi
2018 J jnl
New Rigorous Analysis of Truncated Differentials for 5-round AES.
IACR Cryptol. ePrint Arch.
Lorenzo Grassi, Christian Rechberger
2018 — conf
Quantum Algorithms for the k -xor Problem.
ASIACRYPT (1)
Lorenzo Grassi, María Naya-Plasencia, André Schrottenloher
2018 — conf
Rasta: A Cipher with Low ANDdepth and Few ANDs per Bit.
CRYPTO (1)
Christoph Dobraunig, Maria Eichlseder, Lorenzo Grassi, Virginie Lallemand, Gregor Leander, Eik List, Florian Mendel, Christian Rechberger
2018 J jnl
Rasta: A cipher with low ANDdepth and few ANDs per bit.
IACR Cryptol. ePrint Arch.
Christoph Dobraunig, Maria Eichlseder, Lorenzo Grassi, Virginie Lallemand, Gregor Leander, Eik List, Florian Mendel, Christian Rechberger
2018 J jnl
Simulations of Optical Emissions for Attacking AES and Masked AES.
IACR Cryptol. ePrint Arch.
Guido Marco Bertoni, Lorenzo Grassi, Filippo Melzani
2018 B conf
Zero-Sum Partitions of PHOTON Permutations.
CT-RSA
Qingju Wang, Lorenzo Grassi, Christian Rechberger
2017 — conf
A New Structural-Differential Property of 5-Round AES.
EUROCRYPT (2)
Lorenzo Grassi, Christian Rechberger, Sondre Rønjom
2017 J jnl
A New Structural-Differential Property of 5-Round AES.
IACR Cryptol. ePrint Arch.
Lorenzo Grassi, Christian Rechberger, Sondre Rønjom
2017 J jnl
MixColumns Properties and Attacks on (round-reduced) AES with a Single Secret S-Box.
IACR Cryptol. ePrint Arch.
Lorenzo Grassi
2017 J jnl
Mixture Differential Cryptanalysis: New Approaches for Distinguishers and Attacks on round-reduced AES.
IACR Cryptol. ePrint Arch.
Lorenzo Grassi
2017 J jnl
New Limits for AES Known-Key Distinguishers.
IACR Cryptol. ePrint Arch.
Lorenzo Grassi, Christian Rechberger
2017 J jnl
Zero-Sum Partitions of PHOTON Permutations.
IACR Cryptol. ePrint Arch.
Qingju Wang, Lorenzo Grassi, Christian Rechberger
2016 A* conf
MPC-Friendly Symmetric Key Primitives.
CCS
Lorenzo Grassi, Christian Rechberger, Dragos Rotaru, Peter Scholl, Nigel P. Smart
2016 J jnl
MPC-Friendly Symmetric Key Primitives.
IACR Cryptol. ePrint Arch.
Lorenzo Grassi, Christian Rechberger, Dragos Rotaru, Peter Scholl, Nigel P. Smart
2016 — conf
MiMC: Efficient Encryption and Cryptographic Hashing with Minimal Multiplicative Complexity.
ASIACRYPT (1)
Martin R. Albrecht, Lorenzo Grassi, Christian Rechberger, Arnab Roy, Tyge Tiessen
2016 J jnl
MiMC: Efficient Encryption and Cryptographic Hashing with Minimal Multiplicative Complexity.
IACR Cryptol. ePrint Arch.
Martin R. Albrecht, Lorenzo Grassi, Christian Rechberger, Arnab Roy, Tyge Tiessen
2016 Misc conf
Practical Low Data-Complexity Subspace-Trail Cryptanalysis of Round-Reduced PRINCE.
INDOCRYPT
Lorenzo Grassi, Christian Rechberger
2016 J jnl
Practical low data-complexity subspace-trail cryptanalysis of round-reduced PRINCE.
IACR Cryptol. ePrint Arch.
Lorenzo Grassi, Christian Rechberger
2016 J jnl
Subspace Trail Cryptanalysis and its Applications to AES.
IACR Cryptol. ePrint Arch.
Lorenzo Grassi, Christian Rechberger, Sondre Rønjom
2016 J jnl
Subspace Trail Cryptanalysis and its Applications to AES.
IACR Trans. Symmetric Cryptol.
Lorenzo Grassi, Christian Rechberger, Sondre Rønjom
2015 — conf
Simulations of Optical Emissions for Attacking AES and Masked AES.
SPACE
Guido Marco Bertoni, Lorenzo Grassi, Filippo Melzani