Sondre Rønjom

According to our database, Sondre Rønjom authored at least 25 papers between 2007 and 2022.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2022

The Legendre Symbol and the Modulo-2 Operator in Symmetric Schemes over Fnp Preimage Attack on Full Grendel.

Lorenzo Grassi, Dmitry Khovratovich, Sondre Rønjom, Markus Schofnegger

IACR Trans. Symmetric Cryptol., 2022

Decomposing Linear Layers.

Christof Beierle, Patrick Felke, Gregor Leander, Sondre Rønjom

IACR Cryptol. ePrint Arch., 2022

2021

The Legendre Symbol and the Modulo-2 Operator in Symmetric Schemes over (F_p)^n.

Lorenzo Grassi, Dmitry Khovratovich, Sondre Rønjom, Markus Schofnegger

IACR Cryptol. ePrint Arch., 2021

A Side-Channel Assisted Attack on NTRU.

Amund Askeland, Sondre Rønjom

IACR Cryptol. ePrint Arch., 2021

2019

A Short Note on a Weight Probability Distribution Related to SPNs.

Sondre Rønjom

IACR Cryptol. ePrint Arch., 2019

Practical Attacks on Reduced-Round AES.

Navid Ghaedi Bardeh, Sondre Rønjom

IACR Cryptol. ePrint Arch., 2019

The Exchange Attack: How to Distinguish 6 Rounds of AES with 2^88.2 chosen plaintexts.

Navid Ghaedi Bardeh, Sondre Rønjom

IACR Cryptol. ePrint Arch., 2019

The Exchange Attack: How to Distinguish Six Rounds of AES with 2^88.2 Chosen Plaintexts.

Navid Ghaedi Bardeh, Sondre Rønjom

Proceedings of the Advances in Cryptology - ASIACRYPT 2019, 2019

2017

Yoyo Tricks with AES.

Sondre Rønjom, Navid Ghaedi Bardeh, Tor Helleseth

IACR Cryptol. ePrint Arch., 2017

A New Structural-Differential Property of 5-Round AES.

Lorenzo Grassi, Christian Rechberger, Sondre Rønjom

IACR Cryptol. ePrint Arch., 2017

Improving algebraic attacks on stream ciphers based on linear feedback shift register over $$\mathbb {F}_{2^k}$$ F 2 k.

Sondre Rønjom

Des. Codes Cryptogr., 2017

2016

Invariant subspaces in Simpira.

Sondre Rønjom

IACR Cryptol. ePrint Arch., 2016

Subspace Trail Cryptanalysis and its Applications to AES.

Lorenzo Grassi, Christian Rechberger, Sondre Rønjom

IACR Cryptol. ePrint Arch., 2016

2015

Powers of Subfield Polynomials and Algebraic Attacks on Word-Based Stream Ciphers.

Sondre Rønjom

IACR Cryptol. ePrint Arch., 2015

A Generic Approach to Invariant Subspace Attacks: Cryptanalysis of Robin, iSCREAM and Zorro.

Gregor Leander, Brice Minaud, Sondre Rønjom

IACR Cryptol. ePrint Arch., 2015

2011

Fast Discrete Fourier Spectra Attacks on Stream Ciphers.

Guang Gong, Sondre Rønjom, Tor Helleseth, Honggang Hu

IEEE Trans. Inf. Theory, 2011

Simplifying algebraic attacks with univariate analysis.

Tor Helleseth, Sondre Rønjom

Proceedings of the Information Theory and Applications Workshop, 2011

2010

Nonlinear Equivalence of Stream Ciphers.

Sondre Rønjom, Carlos Cid

Proceedings of the Fast Software Encryption, 17th International Workshop, 2010

2009

Algebraic Attacks on Filter and Combiner Generators.

Tor Helleseth, Michal Hojsík, Sondre Rønjom

Proceedings of the Enhancing Cryptographic Primitives with Techniques from Error Correcting Codes, 2009

2008

On the Number of Linearly Independent Equations Generated by XL.

Sondre Rønjom, Håvard Raddum

Proceedings of the Sequences and Their Applications, 2008

2007

A New Attack on the Filter Generator.

Sondre Rønjom, Tor Helleseth

IEEE Trans. Inf. Theory, 2007

Attacking the Filter Generator over <i>GF</i> (2^<i>m</i>).

Sondre Rønjom, Tor Helleseth

Proceedings of the Arithmetic of Finite Fields, First International Workshop, 2007

The Linear Vector Space Spanned by the Nonlinear Filter Generator.

Sondre Rønjom, Tor Helleseth

Proceedings of the Sequences, Subsequences, and Consequences, International Workshop, 2007

On Attacks on Filtering Generators Using Linear Subspace Structures.

Sondre Rønjom, Guang Gong, Tor Helleseth

Proceedings of the Sequences, Subsequences, and Consequences, International Workshop, 2007

A Survey of Recent Attacks on the Filter Generator.

Sondre Rønjom, Guang Gong, Tor Helleseth

Proceedings of the Applied Algebra, 2007