Thomas Johansson

ORCID

Publication Activity (10 Years)

Years Active: 1993-2024
Publications (10 Years): 69

Top Venues

IACR Cryptol. ePrint Arch.

ISIT

IACR Trans. Cryptogr. Hardw. Embed. Syst.

Des. Codes Cryptogr.

Publications

Qian Guo, Denis Nabokov, Elias Suvanto, Thomas Johansson
Key Recovery Attacks on Approximate Homomorphic Encryption with Non-Worst-Case Noise Flooding Countermeasures. USENIX Security Symposium (2024)
Dachao Wang, Alexander Maximov, Patrik Ekdahl, Thomas Johansson
A new stand-alone MAC construct called SMAC. IACR Cryptol. ePrint Arch. 2024 (2024)
Qian Guo, Thomas Johansson, Vu Nguyen
A New Sieving-Style Information-Set Decoding Algorithm. IACR Cryptol. ePrint Arch. 2023 (2023)
Senyang Huang, Rui Qi Sim, Chitchanok Chuengsatiansup, Qian Guo, Thomas Johansson
Cache-Timing Attack Against HQC. IACR Trans. Cryptogr. Hardw. Embed. Syst. 2023 (3) (2023)
Thomas Johansson, Willi Meier, Vu Nguyen
Differential cryptanalysis of Mod-2/Mod-3 constructions of binary weak PRFs. ISIT (2023)
Kalle Ngo, Elena Dubrova, Thomas Johansson
A side-channel attack on a masked and shuffled software implementation of Saber. J. Cryptogr. Eng. 13 (4) (2023)
Qian Guo, Denis Nabokov, Alexander Nilsson, Thomas Johansson
SCA-LDPC: A Code-Based Framework for Key-Recovery Side-Channel Attacks on Post-quantum Encryption Schemes. ASIACRYPT (4) (2023)
Qian Guo, Denis Nabokov, Alexander Nilsson, Thomas Johansson
SCA-LDPC: A Code-Based Framework for Key-Recovery Side-Channel Attacks on Post-Quantum Encryption Schemes. IACR Cryptol. ePrint Arch. 2023 (2023)
Thomas Johansson, Willi Meier, Vu Nguyen
Attacks on the Firekite Cipher. IACR Trans. Symmetric Cryptol. 2022 (3) (2022)
Qian Guo, Clemens Hlauschek, Thomas Johansson, Norman Lahr, Alexander Nilsson, Robin Leander Schröder
Don't Reject This: Key-Recovery Timing Attacks Due to Rejection-Sampling in HQC and BIKE. IACR Trans. Cryptogr. Hardw. Embed. Syst. 2022 (3) (2022)
Thomas Johansson, Willi Meier, Vu Nguyen
Attacks on the Firekite cipher. IACR Cryptol. ePrint Arch. 2022 (2022)
Jing Yang, Qian Guo, Thomas Johansson, Michael Lentmaier
Revisiting the Concrete Security of Goldreich's Pseudorandom Generator. IEEE Trans. Inf. Theory 68 (2) (2022)
Qian Guo, Andreas Johansson, Thomas Johansson
A Key-Recovery Side-Channel Attack on Classic McEliece. IACR Cryptol. ePrint Arch. 2022 (2022)
Qian Guo, Andreas Johansson, Thomas Johansson
A Key-Recovery Side-Channel Attack on Classic McEliece Implementations. IACR Trans. Cryptogr. Hardw. Embed. Syst. 2022 (4) (2022)
Qian Guo, Thomas Johansson
Faster Dual Lattice Attacks for Solving LWE with Applications to CRYSTALS. ASIACRYPT (4) (2021)
Kalle Ngo, Elena Dubrova, Qian Guo, Thomas Johansson
A Side-Channel Attack on a Masked IND-CCA Secure Saber KEM Implementation. IACR Trans. Cryptogr. Hardw. Embed. Syst. 2021 (4) (2021)
Jing Yang, Thomas Johansson, Alexander Maximov
New improved attacks on SNOW-V. IACR Cryptol. ePrint Arch. 2021 (2021)
Martin Hell, Thomas Johansson, Alexander Maximov, Willi Meier, Hirotaka Yoshida
Grain-128AEADv2: Strengthening the Initialization Against Key Reconstruction. CANS (2021)
Kalle Ngo, Elena Dubrova, Thomas Johansson
Breaking Masked and Shuffled CCA Secure Saber KEM by Power Analysis. IACR Cryptol. ePrint Arch. 2021 (2021)
Jing Yang, Qian Guo, Thomas Johansson, Michael Lentmaier
Revisiting the Concrete Security of Goldreich's Pseudorandom Generator. CoRR (2021)
Alexander Nilsson, Irina E. Bocharova, Boris D. Kudryashov, Thomas Johansson
A Weighted Bit Flipping Decoder for QC-MDPC-based Cryptosystems. ISIT (2021)
Patrik Ekdahl, Alexander Maximov, Thomas Johansson, Jing Yang
SNOW-Vi: an extreme performance variant of SNOW-V for lower grade CPUs. WISEC (2021)
Alexander Nilsson, Irina E. Bocharova, Boris D. Kudryashov, Thomas Johansson
A Weighted Bit Flipping Decoder for QC-MDPC-based Cryptosystems. IACR Cryptol. ePrint Arch. 2021 (2021)
Alessandro Budroni, Qian Guo, Thomas Johansson, Erik Mårtensson, Paul Stankovski Wagner
Improvements on Making BKW Practical for Solving LWE. Cryptogr. 5 (4) (2021)
Kalle Ngo, Elena Dubrova, Qian Guo, Thomas Johansson
A Side-Channel Attack on a Masked IND-CCA Secure Saber KEM. IACR Cryptol. ePrint Arch. 2021 (2021)
Kalle Ngo, Elena Dubrova, Thomas Johansson
Breaking Masked and Shuffled CCA Secure Saber KEM by Power Analysis. ASHES@CCS (2021)
Jing Yang, Thomas Johansson, Alexander Maximov
Improved guess-and-determine and distinguishing attacks on SNOW-V. IACR Trans. Symmetric Cryptol. 2021 (3) (2021)
Patrik Ekdahl, Thomas Johansson, Alexander Maximov, Jing Yang
SNOW-Vi: an extreme performance variant of SNOW-V for low-end CPUs. IACR Cryptol. ePrint Arch. 2021 (2021)
Martin Hell, Thomas Johansson, Alexander Maximov, Willi Meier, Hirotaka Yoshida
Grain-128AEADv2: Strengthening the Initialization Against Key Reconstruction. IACR Cryptol. ePrint Arch. 2021 (2021)
Alessandro Budroni, Qian Guo, Thomas Johansson, Erik Mårtensson, Paul Stankovski Wagner
Making the BKW Algorithm Practical for LWE. IACR Cryptol. ePrint Arch. 2020 (2020)
Jing Yang, Thomas Johansson, Alexander Maximov
Spectral analysis of ZUC-256. IACR Trans. Symmetric Cryptol. 2020 (1) (2020)
Qian Guo, Thomas Johansson
A New Decryption Failure Attack Against HQC. ASIACRYPT (1) (2020)
Qian Guo, Thomas Johansson, Alexander Nilsson
A Key-Recovery Timing Attack on Post-quantum Primitives Using the Fujisaki-Okamoto Transformation and Its Application on FrodoKEM. CRYPTO (2) (2020)
Jing Yang, Thomas Johansson
An overview of cryptographic primitives for possible use in 5G and beyond. Sci. China Inf. Sci. 63 (12) (2020)
Qian Guo, Thomas Johansson, Carl Löndahl
Solving LPN Using Covering Codes. J. Cryptol. 33 (1) (2020)
Qian Guo, Thomas Johansson, Alexander Nilsson
A key-recovery timing attack on post-quantum primitives using the Fujisaki-Okamoto transformation and its application on FrodoKEM. IACR Cryptol. ePrint Arch. 2020 (2020)
Alessandro Budroni, Qian Guo, Thomas Johansson, Erik Mårtensson, Paul Stankovski Wagner
Making the BKW Algorithm Practical for LWE. INDOCRYPT (2020)
Jing Yang, Thomas Johansson, Alexander Maximov
Vectorized linear approximations for attacks on SNOW 3G. IACR Trans. Symmetric Cryptol. 2019 (4) (2019)
Qian Guo, Thomas Johansson, Erik Mårtensson, Paul Stankovski Wagner
On the Asymptotics of Solving the LWE Problem Using Coded-BKW with Sieving. IACR Cryptol. ePrint Arch. 2019 (2019)
Qian Guo, Thomas Johansson, Jing Yang
A Novel CCA Attack using Decryption Errors against LAC. IACR Cryptol. ePrint Arch. 2019 (2019)
Irina E. Bocharova, Thomas Johansson, Boris D. Kudryashov
Improved iterative decoding of QC-MDPC codes in the McEliece public key cryptosystem. ISIT (2019)
Qian Guo, Thomas Johansson, Erik Mårtensson, Paul Stankovski Wagner
Some cryptanalytic and coding-theoretic applications of a soft stern algorithm. Adv. Math. Commun. 13 (4) (2019)
Qian Guo, Thomas Johansson, Alexander Nilsson
A Generic Attack on Lattice-based Schemes using Decryption Errors with Application to ss-ntru-pke. IACR Cryptol. ePrint Arch. 2019 (2019)
Qian Guo, Thomas Johansson
A new birthday-type algorithm for attacking the fresh re-keying countermeasure. Inf. Process. Lett. 146 (2019)
Faina I. Solov'eva, Daniel Augot, Thomas Johansson, Marine Minier, Victor A. Zinoviev
Editorial: Special issue on coding and cryptography. Des. Codes Cryptogr. 87 (2-3) (2019)
Jing Yang, Thomas Johansson, Alexander Maximov
Vectorized linear approximations for attacks on SNOW 3G. IACR Cryptol. ePrint Arch. 2019 (2019)
Jing Yang, Thomas Johansson, Alexander Maximov
Spectral analysis of ZUC-256. IACR Cryptol. ePrint Arch. 2019 (2019)
Martin Hell, Thomas Johansson, Willi Meier, Jonathan Sönnerup, Hirotaka Yoshida
An AEAD Variant of the Grain Stream Cipher. C2SI (2019)
Jan-Pieter D'Anvers, Qian Guo, Thomas Johansson, Alexander Nilsson, Frederik Vercauteren, Ingrid Verbauwhede
Decryption Failure Attacks on IND-CCA Secure Lattice-Based Schemes. Public Key Cryptography (2) (2019)
Qian Guo, Thomas Johansson, Paul Stankovski Wagner
A Key Recovery Reaction Attack on QC-MDPC. IEEE Trans. Inf. Theory 65 (3) (2019)
Qian Guo, Thomas Johansson, Erik Mårtensson, Paul Stankovski Wagner
On the Asymptotics of Solving the LWE Problem Using Coded-BKW With Sieving. IEEE Trans. Inf. Theory 65 (8) (2019)
Patrik Ekdahl, Thomas Johansson, Alexander Maximov, Jing Yang
A new SNOW stream cipher called SNOW-V. IACR Trans. Symmetric Cryptol. 2019 (3) (2019)
Qian Guo, Thomas Johansson, Jing Yang
A Novel CCA Attack Using Decryption Errors Against LAC. ASIACRYPT (1) (2019)
Alexander Nilsson, Thomas Johansson, Paul Stankovski
Error Amplification in Code-based Cryptography. IACR Trans. Cryptogr. Hardw. Embed. Syst. 2019 (1) (2019)
Patrik Ekdahl, Thomas Johansson, Alexander Maximov, Jing Yang
A new SNOW stream cipher called SNOW-V. IACR Cryptol. ePrint Arch. 2018 (2018)
Jean-Christophe Deneuville, Philippe Gaborit, Qian Guo, Thomas Johansson
Ouroboros-E: An Efficient Lattice-based Key-Exchange Protocol. ISIT (2018)
Alexander Nilsson, Thomas Johansson, Paul Stankovski
Error Amplification in Code-based Cryptography. IACR Cryptol. ePrint Arch. 2018 (2018)
Qian Guo, Thomas Johansson, Erik Mårtensson, Paul Stankovski
Coded-BKW with Sieving. ASIACRYPT (1) (2017)
Tomás Fabsic, Viliam Hromada, Paul Stankovski, Pavol Zajac, Qian Guo, Thomas Johansson
A Reaction Attack on the QC-LDPC McEliece Cryptosystem. IACR Cryptol. ePrint Arch. 2017 (2017)
Qian Guo, Thomas Johansson, Erik Mårtensson, Paul Stankovski
Information set decoding with soft information and some cryptographic applications. ISIT (2017)
Tomás Fabsic, Viliam Hromada, Paul Stankovski, Pavol Zajac, Qian Guo, Thomas Johansson
A Reaction Attack on the QC-LDPC McEliece Cryptosystem. PQCrypto (2017)
Pascale Charpin, Thomas Johansson, Gohar M. M. Kyureghyan, Nicolas Sendrier, Jean-Pierre Tillich
Editorial: Special issue on coding and cryptography. Des. Codes Cryptogr. 82 (1-2) (2017)
Qian Guo, Thomas Johansson, Paul Stankovski
Coded-BKW: Solving LWE Using Lattice Codes. IACR Cryptol. ePrint Arch. 2016 (2016)
Carl Löndahl, Thomas Johansson, Masoumeh Koochak Shooshtari, Mahmoud Ahmadian-Attari, Mohammad Reza Aref
Squaring attacks on McEliece public-key cryptosystems using quasi-cyclic codes of even dimension. Des. Codes Cryptogr. 80 (2) (2016)
Qian Guo, Thomas Johansson
A New Birthday-Type Algorithm for Attacking the Fresh Re-Keying Countermeasure. IACR Cryptol. ePrint Arch. 2016 (2016)
Qian Guo, Thomas Johansson, Paul Stankovski
A Key Recovery Attack on MDPC with CCA Security Using Decoding Errors. ASIACRYPT (1) (2016)
Qian Guo, Thomas Johansson, Paul Stankovski
A Key Recovery Attack on MDPC with CCA Security Using Decoding Errors. IACR Cryptol. ePrint Arch. 2016 (2016)
Masoumeh Koochak Shooshtari, Mahmoud Ahmadian-Attari, Thomas Johansson, Mohammad Reza Aref
Cryptanalysis of McEliece cryptosystem variants based on quasi-cyclic low-density parity check codes. IET Inf. Secur. 10 (4) (2016)
Qian Guo, Thomas Johansson
A p-ary MDPC scheme. ISIT (2016)
Qian Guo, Thomas Johansson, Carl Löndahl
A New Algorithm for Solving Ring-LPN With a Reducible Polynomial. IEEE Trans. Inf. Theory 61 (11) (2015)
Qian Guo, Thomas Johansson, Paul Stankovski
Coded-BKW: Solving LWE Using Lattice Codes. CRYPTO (1) (2015)
Hui Wang, Paul Stankovski, Thomas Johansson
A generalized birthday approach for efficiently finding linear relations in ℓ-sequences. Des. Codes Cryptogr. 74 (1) (2015)
Paul Stankovski, Martin Hell, Thomas Johansson
An Efficient State Recovery Attack on the X-FCSR Family of Stream Ciphers. J. Cryptol. 27 (1) (2014)
Carl Löndahl, Thomas Johansson
[x] and some cryptographic applications. Des. Codes Cryptogr. 73 (2) (2014)
Qian Guo, Thomas Johansson, Carl Löndahl
A New Algorithm for Solving Ring-LPN with a Reducible Polynomial. CoRR (2014)
Qian Guo, Thomas Johansson, Carl Löndahl
Solving LPN Using Covering Codes. ASIACRYPT (1) (2014)
Hui Wang, Martin Hell, Thomas Johansson, Martin Ågren
Improved Key Recovery Attack on the BEAN Stream Cipher. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (6) (2013)
Leonardo A. Martucci, Albin Zuccato, Ben J. M. Smeets, Sheikh Mahbub Habib, Thomas Johansson, Nahid Shahmehri
Privacy, Security and Trust in Cloud Computing: The Perspective of the Telecommunication Industry. UIC/ATC (2012)
Paul Stankovski, Sushmita Ruj, Martin Hell, Thomas Johansson
Improved distinguishers for HC-128. Des. Codes Cryptogr. 63 (2) (2012)
Martin Hell, Thomas Johansson, Lennart Brynielsson, Håkan Englund
Improved Distinguishers on Stream Ciphers With Certain Weak Feedback Polynomials. IEEE Trans. Inf. Theory 58 (9) (2012)
Carl Löndahl, Thomas Johansson
A New Version of McEliece PKC Based on Convolutional Codes. ICICS (2012)
Martin Ågren, Martin Hell, Thomas Johansson, Carl Löndahl
Improved message passing techniques in fast correlation attacks on stream ciphers. ISTC (2012)
Martin Ågren, Martin Hell, Thomas Johansson
On hardware-oriented message authentication. IET Inf. Secur. 6 (4) (2012)
Paul Stankovski, Martin Hell, Thomas Johansson
Analysis of Xorrotation with Application to an HC-128 Variant. ACISP (2012)
Martin Ågren, Carl Löndahl, Martin Hell, Thomas Johansson
A survey on fast correlation attacks. Cryptogr. Commun. 4 (3-4) (2012)
Martin Ågren, Thomas Johansson
Linear Cryptanalysis of PRINTcipher - Trails and Samples Everywhere. IACR Cryptol. ePrint Arch. 2011 (2011)
Martin Hell, Thomas Johansson
Breaking the Stream Ciphers F-FCSR-H and F-FCSR-16 in Real Time. J. Cryptol. 24 (3) (2011)
Martin Ågren, Thomas Johansson
Linear Cryptanalysis of PRINTcipher - Trails and Samples Everywhere. INDOCRYPT (2011)
Martin Ågren, Martin Hell, Thomas Johansson, Willi Meier
Grain-128a: a new version of Grain-128 with optional authentication. Int. J. Wirel. Mob. Comput. 5 (1) (2011)
Qichun Wang, Thomas Johansson
On Equivalence Classes of Boolean Functions. ICISC (2010)
Qichun Wang, Thomas Johansson
A Note on Fast Algebraic Attacks and Higher Order Nonlinearities. Inscrypt (2010)
Martin Hell, Thomas Johansson, Lennart Brynielsson
An overview of distinguishing attacks on stream ciphers. Cryptogr. Commun. 1 (1) (2009)
Paul Stankovski, Martin Hell, Thomas Johansson
An Efficient State Recovery Attack on X-FCSR-256. FSE (2009)
Martin Ågren, Thomas Johansson, Martin Hell
Improving the Rainbow Attack by Reusing Colours. CANS (2009)
Martin Hell, Thomas Johansson
Breaking the F-FCSR-H Stream Cipher in Real Time. ASIACRYPT (2008)
Martin Hell, Thomas Johansson, Willi Meier
Grain: a stream cipher for constrained environments. Int. J. Wirel. Mob. Comput. 2 (1) (2007)
Alexander Maximov, Thomas Johansson
A Linear Distinguishing Attack on Scream. IEEE Trans. Inf. Theory 53 (9) (2007)
Håkan Englund, Martin Hell, Thomas Johansson
Two General Attacks on Pomaranch-Like Keystream Generators. FSE (2007)
Martin Hell, Thomas Johansson
A Key Recovery Attack on Edon80. ASIACRYPT (2007)
Håkan Englund, Thomas Johansson, Meltem Sönmez Turan
A Framework for Chosen IV Statistical Analysis of Stream Ciphers. INDOCRYPT (2007)

Thomas Johansson.css-eqlu8i{font-size:small;padding-left:4px;}

Publication Activity (10 Years)

Top Topics

Top Venues

Thomas Johansson