A Survey of Recent Attacks on the Filter Generator. - Sondre Rønjom; Guang Gong; Tor Helleseth (AAECC, 2007)

On Attacks on Filtering Generators Using Linear Subspace Structures. - Sondre Rønjom; Guang Gong; Tor Helleseth (SSC, 2007)

The Linear Vector Space Spanned by the Nonlinear Filter Generator. - Sondre Rønjom; Tor Helleseth (SSC, 2007)

Attacking the Filter Generator over GF (2 m ). - Sondre Rønjom; Tor Helleseth (WAIFI, 2007)

A New Attack on the Filter Generator. - Sondre Rønjom; Tor Helleseth (IEEE Trans. Inf. Theory, 2007)

On the Number of Linearly Independent Equations Generated by XL. - Sondre Rønjom; Håvard Raddum (SETA, 2008)

Algebraic Attacks on Filter and Combiner Generators. - Tor Helleseth; Michal Hojsík; Sondre Rønjom (Enhancing Cryptographic Primitives with Techniques from Error Correcting Codes, 2009)

Nonlinear Equivalence of Stream Ciphers. - Sondre Rønjom; Carlos Cid (FSE, 2010)

Simplifying algebraic attacks with univariate analysis. - Tor Helleseth; Sondre Rønjom (ITA, 2011)

Fast Discrete Fourier Spectra Attacks on Stream Ciphers. - Guang Gong; Sondre Rønjom; Tor Helleseth; Honggang Hu (IEEE Trans. Inf. Theory, 2011)

A Generic Approach to Invariant Subspace Attacks: Cryptanalysis of Robin, iSCREAM and Zorro. - Gregor Leander; Brice Minaud; Sondre Rønjom (IACR Cryptol. ePrint Arch., 2015)

Powers of Subfield Polynomials and Algebraic Attacks on Word-Based Stream Ciphers. - Sondre Rønjom (IACR Cryptol. ePrint Arch., 2015)

Invariant subspaces in Simpira. - Sondre Rønjom (IACR Cryptol. ePrint Arch., 2016)

Subspace Trail Cryptanalysis and its Applications to AES. - Lorenzo Grassi 001; Christian Rechberger; Sondre Rønjom (IACR Trans. Symmetric Cryptol., 2016)

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)

A New Structural-Differential Property of 5-Round AES. - Lorenzo Grassi 001; Christian Rechberger; Sondre Rønjom (IACR Cryptol. ePrint Arch., 2017)

Yoyo Tricks with AES. - Sondre Rønjom; Navid Ghaedi Bardeh; Tor Helleseth (IACR Cryptol. ePrint Arch., 2017)

The Exchange Attack: How to Distinguish Six Rounds of AES with 2^88.2 Chosen Plaintexts. - Navid Ghaedi Bardeh; Sondre Rønjom (ASIACRYPT (3), 2019)

The Exchange Attack: How to Distinguish 6 Rounds of AES with 288.2 chosen plaintexts. - Navid Ghaedi Bardeh; Sondre Rønjom (IACR Cryptol. ePrint Arch., 2019)

Practical Attacks on Reduced-Round AES. - Navid Ghaedi Bardeh; Sondre Rønjom (IACR Cryptol. ePrint Arch., 2019)

A Short Note on a Weight Probability Distribution Related to SPNs. - Sondre Rønjom (IACR Cryptol. ePrint Arch., 2019)

A Side-Channel Assisted Attack on NTRU. - Amund Askeland; Sondre Rønjom (IACR Cryptol. ePrint Arch., 2021)

The Legendre Symbol and the Modulo-2 Operator in Symmetric Schemes over (F_p)^n. - Lorenzo Grassi 001; Dmitry Khovratovich; Sondre Rønjom; Markus Schofnegger (IACR Cryptol. ePrint Arch., 2021)

Decomposing Linear Layers. - Christof Beierle; Patrick Felke; Gregor Leander; Sondre Rønjom (IACR Trans. Symmetric Cryptol., 2022)

The Legendre Symbol and the Modulo-2 Operator in Symmetric Schemes over Fnp Preimage Attack on Full Grendel. - Lorenzo Grassi 001; Dmitry Khovratovich; Sondre Rønjom; Markus Schofnegger (IACR Trans. Symmetric Cryptol., 2022)

L2 · M = C2 Large Language Models as Covert Channels... a Systematic Analysis. - Simen Gaure; Stefanos Koffas; Stjepan Picek; Sondre Rønjom (CoRR, 2024)

L2 · M = C2 Large Language Models Are Covert Channels. - Simen Gaure; Stefanos Koffas; Stjepan Picek; Sondre Rønjom (ICASSP, 2025)