| Vol-3829 urn:nbn:de:0074-3829-5 Copyright © 2024 for the individual papers by the papers' authors. Copyright © 2024 for the volume as a collection by its editors. This volume and its papers are published under the Creative Commons License Attribution 4.0 International (CC BY 4.0).

# CQPC 2024
Classic, Quantum, and Post-Quantum Cryptography 2024

### Proceedings of the Classic, Quantum, and Post-Quantum Cryptography
co-located with International Conference on Problems of Infocommunications. Science and Technology (PICST 2024)

### Kyiv, Ukraine, August 6, 2024 (online).

Edited by

### Volodymyr Sokolov *
Vasyl Ustimenko **
Mariya Nazarkevych ***

* Borys Grinchenko Kyiv Metropolitan University, Kyiv, Ukraine
** Royal Holloway, University of London, London, UK
*** Lviv Polytechnic National University, Lviv, Ukraine

## Table of Contents

- Preface
  Summary: There were 19 papers submitted for peer-review to this workshop. Out of these, 11 papers were accepted for this volume, 1 as regular papers and 10 as short papers.

- Evolutionary approach to S-box generation: Optimizing nonlinear substitutions in symmetric ciphers
  1-11 Oleksandr Kuznetsov, Nikolay Poluyanenko, Emanuele Frontoni, Marco Arnesano, Oleksii Smirnov
- Image-based symmetric message encryption method (short paper) 12-18
  Serhii Buchyk, Serhii Toliupa, Dmytro Tsapro, Anastasiia Shabanova, Oleksandr Buchyk
- Assessing neural network accuracy algorithm in graphic content recognition (short paper) 19-24
  Andii Sahun, Vladyslav Khaidurov, Valerii Lakhno
- Scalable zero-knowledge proofs for verifying cryptographic hashing in blockchain applications (short paper) 25-31
  Oleksandr Kuznetsov, Anton Yezhov, Vladyslav Yusiuk, Kateryna Kuznetsova
- The evolution of digital signatures: From classical to post-quantum (short paper) 32-38
  Maksim Iavich
- Integration of smart contracts and artificial intelligence using cryptographic oracles (short paper) 39-46
  Denys Virovets, Sergiy Obushnyi, Bohdan Zhurakovskyi, Pavlo Skladannyi, Volodymyr Sokolov
- Hybrid RNN-CNN-based model for PRNG identification (short paper) 47-53
  Dmytro Proskurin, Tetiana Okhrimenko, Sergiy Gnatyuk, Dauriya Zhaksigulova, Nataliia Korshun
- On the Jordan-Gauss graphs and new multivariate public keys (short paper) 54-61
  Vasyl Ustymenko, Tymoteusz Chojecki, Aneta Wróblewska
- Enhancing information transmission security with stochastic codes (short paper) 62-69
  Bohdan Zhurakovskyi, Sergei Otrokh, Mykhailo Poliakov, Oleksii Poliakov, Pavlo Skladannyi
- Classical and post-quantum encryption for GDPR (short paper) 70-78
  Maksim Iavich, Oksana Kovalchuk, Sergiy Gnatyuk, Yuliia Khavikova, Volodymyr Sokolov
- Pseudorandom sequence generator based on the computation of ln 2 (short paper) 79-86
  Ivan Opirskyy, Oleh Harasymchuk, Olha Mykhaylova, Oleksii Hrushkovskyi, Pavlo Kozak

2024-09-31: submitted by Volodymyr Sokolov, metadata incl. bibliographic data published under Creative Commons CC0
2024-11-12: published on CEUR Workshop Proceedings (CEUR-WS.org, ISSN 1613-0073) |valid HTML5|