Morten Øygarden

According to our database, Morten Øygarden authored at least 15 papers between 2020 and 2026.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2026

Attacking the Polynomials in the Maze of Finite Fields problem.

Ángela I. Barbero, Ragnar Freij-Hollanti, Camilla Hollanti, Håvard Raddum, Øyvind Ytrehus, Morten Øygarden

CoRR, March, 2026

2025

The Algebraic CheapLunch: Extending FreeLunch Attacks on Arithmetization-Oriented Primitives Beyond CICO-1.

Antoine Bak, Augustin Bariant, Aurélien Boeuf, Pierre Briaud, Morten Øygarden, Atharva Phanse

IACR Cryptol. ePrint Arch., 2025

Improved Resultant Attack Against Arithmetization-Oriented Primitives.

Augustin Bariant, Aurélien Boeuf, Pierre Briaud, Maël Hostettler, Morten Øygarden, Håvard Raddum

Proceedings of the Advances in Cryptology - CRYPTO 2025, 2025

2024

Analysis of Multivariate Encryption Schemes: Application to Dob and C^*.

Morten Øygarden, Patrick Felke, Håvard Raddum

J. Cryptol., September, 2024

Analysis of Multivariate Encryption Schemes: Application to Dob and C.

Morten Øygarden, Patrick Felke, Håvard Raddum

IACR Cryptol. ePrint Arch., 2024

A Security Analysis of Restricted Syndrome Decoding Problems.

Ward Beullens, Pierre Briaud, Morten Øygarden

IACR Commun. Cryptol., 2024

The Algebraic FreeLunch: Efficient Gröbner Basis Attacks Against Arithmetization-Oriented Primitives.

Augustin Bariant, Aurélien Boeuf, Axel Lemoine, Irati Manterola Ayala, Morten Øygarden, Léo Perrin, Håvard Raddum

Proceedings of the Advances in Cryptology - CRYPTO 2024, 2024

2023

Algebraic Attacks on RAIN and AIM Using Equivalent Representations.

Fukang Liu, Mohammad Mahzoun, Morten Øygarden, Willi Meier

IACR Trans. Symmetric Cryptol., 2023

From Farfalle to Megafono via Ciminion: The PRF Hydra for MPC Applications.

Lorenzo Grassi, Morten Øygarden, Markus Schofnegger, Roman Walch

Proceedings of the Advances in Cryptology - EUROCRYPT 2023, 2023

A New Algebraic Approach to the Regular Syndrome Decoding Problem and Implications for PCG Constructions.

Pierre Briaud, Morten Øygarden

Proceedings of the Advances in Cryptology - EUROCRYPT 2023, 2023

Cryptanalysis of Symmetric Primitives over Rings and a Key Recovery Attack on Rubato.

Lorenzo Grassi, Irati Manterola Ayala, Martha Norberg Hovd, Morten Øygarden, Håvard Raddum, Qingju Wang

Proceedings of the Advances in Cryptology - CRYPTO 2023, 2023

2021

On the Effect of Projection on Rank Attacks in Multivariate Cryptography.

Morten Øygarden, Daniel Smith-Tone, Javier A. Verbel

Proceedings of the Post-Quantum Cryptography - 12th International Workshop, 2021

Analysis of Multivariate Encryption Schemes: Application to Dob.

Morten Øygarden, Patrick Felke, Håvard Raddum

Proceedings of the Public-Key Cryptography - PKC 2021, 2021

2020

Cryptanalysis of the Multivariate Encryption Scheme EFLASH.

Morten Øygarden, Patrick Felke, Håvard Raddum, Carlos Cid

Proceedings of the Topics in Cryptology - CT-RSA 2020, 2020

An Algebraic Attack on Ciphers with Low-Degree Round Functions: Application to Full MiMC.

Maria Eichlseder, Lorenzo Grassi, Reinhard Lüftenegger, Morten Øygarden, Christian Rechberger, Markus Schofnegger, Qingju Wang

Proceedings of the Advances in Cryptology - ASIACRYPT 2020, 2020