Pavol Zajac

According to our database, Pavol Zajac authored at least 32 papers between 2008 and 2023.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of two.

2023

Algebraic Cryptanalysis with MRHS Equations.

Pavol Zajac

Cryptogr., June, 2023

The first Czechoslovak cipher machine.

Eugen Antal, Pavol Zajac

Cryptologia, May, 2023

Algorithm for Generating S-Boxes with Prescribed Differential Properties.

Stanislav Marochok, Pavol Zajac

Algorithms, March, 2023

Encrypted Documents and Cipher Keys From the 18th and 19th Century in the Archives of Aristocratic Families in Slovakia.

Eugen Antal, Pavol Marák, Pavol Zajac, Tünde Lengyelová, Diana Duchonová

Proceedings of the 6th International Conference on Historical Cryptology, 2023

2021

Ephemeral Keys Authenticated with Merkle Trees and Their Use in IoT Applications.

Pavol Zajac

Sensors, 2021

Solving a Mystery From the Thirty Years'War: Karel Rabenhaupt ze Such'e's Encrypted Letter to Landgravine Amalie Elisabeth.

Eugen Antal, Pavol Zajac, Jakub Mírka

Proceedings of the 4th International Conference on Historical Cryptology, 2021

HCPortal Modules for Teaching and Promoting Cryptology.

Eugen Antal, Pavol Zajac

Proceedings of the 4th International Conference on Historical Cryptology, 2021

2020

Cryptographic properties of small bijective S-boxes with respect to modular addition.

Pavol Zajac, Matús Jókay

Cryptogr. Commun., 2020

Diplomatic Ciphers Used by Slovak Attaché During the WW2.

Eugen Antal, Pavol Zajac, Otokar Grosek

Proceedings of the 3rd International Conference on Historical Cryptology, 2020

HCPortal Overview.

Eugen Antal, Pavol Zajac

Proceedings of the 3rd International Conference on Historical Cryptology, 2020

2019

Tree authenticated ephemeral keys.

Pavol Zajac

IACR Cryptol. ePrint Arch., 2019

Hybrid Encryption from McEliece Cryptosystem with Pseudo-random Error Vector.

Pavol Zajac

Fundam. Informaticae, 2019

Cryptology in the Slovak State During WWII.

Eugen Antal, Pavol Zajac, Otokar Grosek

Proceedings of the 2nd International Conference on Historical Cryptology, 2019

2018

MRHS Solver Based on Linear Algebra and Exhaustive Search.

Håvard Raddum, Pavol Zajac

IACR Cryptol. ePrint Arch., 2018

A Reaction Attack on LEDApkc.

Tomás Fabsic, Viliam Hromada, Pavol Zajac

IACR Cryptol. ePrint Arch., 2018

On generating invertible circulant binary matrices with a prescribed number of ones.

Tomás Fabsic, Otokar Grosek, Karol Nemoga, Pavol Zajac

Cryptogr. Commun., 2018

Using Local Reduction for the Experimental Evaluation of the Cipher Security.

Pavol Zajac

Comput. Informatics, 2018

ManuLab System Demonstration.

Eugen Antal, Pavol Zajac

Proceedings of the 1st International Conference on Historical Cryptology, 2018

2017

A Reaction Attack on the QC-LDPC McEliece Cryptosystem.

Tomás Fabsic, Viliam Hromada, Paul Stankovski, Pavol Zajac, Qian Guo, Thomas Johansson

IACR Cryptol. ePrint Arch., 2017

Upper bounds on the complexity of algebraic cryptanalysis of ciphers with a low multiplicative complexity.

Pavol Zajac

Des. Codes Cryptogr., 2017

2015

Key Space and Period of Fialka M-125 Cipher Machine.

Eugen Antal, Pavol Zajac

Cryptologia, 2015

Side channel attack on multiprecision multiplier used in protected ECDSA implementation.

Michal Varchola, Milos Drutarovský, Marek Repka, Pavol Zajac

Proceedings of the International Conference on ReConFigurable Computing and FPGAs, 2015

2014

A note on CCA2-protected McEliece Cryptosystem with a systematic public key.

Pavol Zajac

IACR Cryptol. ePrint Arch., 2014

Multiplicative complexity of bijective 4×4 S-boxes.

Pavol Zajac, Matús Jókay

Cryptogr. Commun., 2014

2013

A new method to solve MRHS equation systems and its connection to group factorization.

Pavol Zajac

J. Math. Cryptol., 2013

2012

Local reduction and the algebraic cryptanalysis of the block cipher gost.

Pavol Zajac, Radoslav Cagala

Period. Math. Hung., 2012

Solving Trivium-based Boolean Equations Using the Method of Syllogisms.

Pavol Zajac

Fundam. Informaticae, 2012

Computing Indexes and Periods of All Boolean Matrices Up to Dimension n=8.

Pavol Zajac, Matús Jókay

Comput. Informatics, 2012

2009

Automated Cryptanalysis of Classical Ciphers.

Otokar Grosek, Pavol Zajac

Proceedings of the Encyclopedia of Artificial Intelligence (3 Volumes), 2009

Automated Cryptanalysis.

Otokar Grosek, Pavol Zajac

Proceedings of the Encyclopedia of Artificial Intelligence (3 Volumes), 2009

On complexity of round transformations.

Otokar Grosek, Peter Horák, Pavol Zajac

Discret. Math., 2009

2008

Remarks on the NFS complexity.

Pavol Zajac

IACR Cryptol. ePrint Arch., 2008