Nonlinearity of the Round Function. - Marcin Kontak; Janusz Szmidt (IACR Cryptol. ePrint Arch., 2005)

Cryptanalysis of the GOST Hash Function. - Florian Mendel; Norbert Pramstaller; Christian Rechberger; Marcin Kontak; Janusz Szmidt (CRYPTO, 2008)

Cube Attack on Courtois Toy Cipher. - Piotr Mroczkowski; Janusz Szmidt (IACR Cryptol. ePrint Arch., 2009)

Corrigendum to: The Cube Attack on Stream Cipher Trivium and Quadraticity Tests. - Piotr Mroczkowski; Janusz Szmidt (IACR Cryptol. ePrint Arch., 2011)

The Cube Attack on Stream Cipher Trivium and Quadraticity Tests. - Piotr Mroczkowski; Janusz Szmidt (Fundam. Informaticae, 2012)

Generation of Nonlinear Feedback Shift Registers with special-purpose hardware. - Tomasz Rachwalik; Janusz Szmidt; Robert Wicik; Janusz Zablocki (IACR Cryptol. ePrint Arch., 2012)

On cross joining de Bruijn sequences. - Johannes Mykkeltveit; Janusz Szmidt (IACR Cryptol. ePrint Arch., 2013)

Searching for nonlinear feedback shift registers with parallel computing. - Przemyslaw Dabrowski; Grzegorz Labuzek; Tomasz Rachwalik; Janusz Szmidt (Inf. Process. Lett., 2014)

The construction of nonlinear feedback shift registers of small orders. - Janusz Szmidt; Przemyslaw Dabrowski (ICMCIS, 2015)

Generation and Implementation of Cryptographically Strong Elliptic Curves. - Przemyslaw Dabrowski; Rafal Gliwa; Janusz Szmidt; Robert Wicik (NuTMiC, 2017)

The Cube Attack on Courtois Toy Cipher. - Janusz Szmidt (NuTMiC, 2017)

Nonlinear Feedback Shift Registers and Zech's Logarithms. - Janusz Szmidt (ICMCIS, 2019)

Binary de Bruijn Sequences via Zech's Logarithms. - Zuling Chang; Martianus Frederic Ezerman; Adamas Aqsa Fahreza; San Ling; Janusz Szmidt; Huaxiong Wang (SN Comput. Sci., 2021)

Orientable sequences over non-binary alphabets. - Abbas Alhakim; Chris J. Mitchell; Janusz Szmidt; Peter R. Wild (Cryptogr. Commun., 2024)