avatar
Fatih Özkaynak Prof. Dr. FIRAT UNIVERSITY
Publication 8 Review 25 CrossRef Cited 6 TR Dizin Cited 4
8 Publication
25 Review
6 CrossRef Cited
4 TR Dizin Cited
0000-0003-1292-8490

Research Fields

Information and Computing Sciences

Institution

FIRAT UNIVERSITY

Popular Publications

When Chaos Is Not Secure: Revealing Hidden Vulnerabilities in Chaotic Cryptography
Authors: Fatih Özkaynak
Published: 2026 , Chaos Theory and Applications
DOI: 10.51537/chaos.1805979
CITED 0 FAVORITE 1 TOTAL DOWNLOAD COUNT 244

0

1

244

Publications

When Chaos Is Not Secure: Revealing Hidden Vulnerabilities in Chaotic Cryptography
Authors: Fatih Özkaynak
Published: 2026 , Chaos Theory and Applications
DOI: 10.51537/chaos.1805979
FAVORITE 1 TOTAL DOWNLOAD COUNT 244

1

244

A Hybrid Deep Learning Approach for Image-based Malware Classification
Authors: Zülfiye Beyza Metin , Fatih Özkaynak
Published: 2026 , Firat University Journal of Experimental and Computational Engineering
DOI: 10.62520/fujece.1582676
FAVORITE 0 TOTAL DOWNLOAD COUNT 636

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636

PCG-Generated Randomness: A NIST Analysis of 100-Million Bits
Authors: Zülfiye Beyza Metin , Fatih Özkaynak
Published: 2025 , Turkish Journal of Science and Technology
DOI: 10.55525/tjst.1528213
FAVORITE 0 TOTAL DOWNLOAD COUNT 1571

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1571

An Analysis Tool for Cryptographic Designs Based on Chaotic Systems
Authors: Yılmaz Aydın , Fatih Özkaynak
Published: 2023 , Turkish Journal of Science and Technology
DOI: 10.55525/tjst.1287092
FAVORITE 0 TOTAL DOWNLOAD COUNT 933

0

933

Evaluation Guide for Performance Analysis of Image Compression Algorithms
Authors: Fırat Artuğer , Fatih Özkaynak
Published: 2022 , International Journal of Pure and Applied Sciences
DOI: 10.29132/ijpas.1012013
FAVORITE 0 TOTAL DOWNLOAD COUNT 3217

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3217

JPEG Algoritmasının Performansını İyileştirmek İçin Bir Yöntem
Authors: Fırat Artuğer , Fatih Özkaynak
Published: 2022 , Fırat Üniversitesi Mühendislik Bilimleri Dergisi
DOI: 10.35234/fumbd.865004
FAVORITE 0 TOTAL DOWNLOAD COUNT 1218

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1218

Post-processing Algorithms for Performance Improvement of Substitution Boxes Based on Random Selection
Authors: Yaşar Selim Bahceci , Fatih Özkaynak
Published: 2020 , Journal of Computer Science and Technologies
DOI: -
FAVORITE 0 TOTAL DOWNLOAD COUNT 1638

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1638

Cryptanalysis of Bigdeli algorithm using Çokal’s attack
Authors: Fatih Özkaynak , Ahmet Özer, Sırma Yavuz
Published: 2012 , International Journal of Information Security Science
DOI: -
FAVORITE 0 TOTAL DOWNLOAD COUNT 1397

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1397

Articles published in
Chaos Theory and Applications
Chaos Theory and Applications
Fırat Üniversitesi Mühendislik Bilimleri Dergisi
Fırat Üniversitesi Mühendislik Bilimleri Dergisi
Firat University Journal of Experimental and Computational Engineering
Firat University Journal of Experimental and Computational Engineering
International Journal of Information Security Science
International Journal of Information Security Science
International Journal of Pure and Applied Sciences
International Journal of Pure and Applied Sciences
Journal of Computer Science and Technologies
Journal of Computer Science and Technologies
Turkish Journal of Science and Technology
Turkish Journal of Science and Technology
Editorship
Chaos Theory and Applications
Chaos Theory and Applications
Section Editor
International Journal of Information Security Science
International Journal of Information Security Science
Section Editor
Editorial Board Memberships
International Journal of Information Security Science
International Journal of Information Security Science

Reviews

Balkan Journal of Electrical and Computer Engineering
Balkan Journal of Electrical and Computer Engineering
Chaos Theory and Applications
Chaos Theory and Applications
Dicle Üniversitesi Mühendislik Fakültesi Mühendislik Dergisi
Dicle Üniversitesi Mühendislik Fakültesi Mühendislik Dergisi
EMO Bilimsel Dergi
EMO Bilimsel Dergi
Fırat Üniversitesi Fen Bilimleri Dergisi
Fırat Üniversitesi Fen Bilimleri Dergisi
Fırat Üniversitesi Mühendislik Bilimleri Dergisi
Fırat Üniversitesi Mühendislik Bilimleri Dergisi
International Journal of Advances in Engineering and Pure Sciences
International Journal of Advances in Engineering and Pure Sciences
International Journal of Information Security Science
International Journal of Information Security Science
International Journal of Innovative Engineering Applications
International Journal of Innovative Engineering Applications
International Journal of Pure and Applied Sciences
International Journal of Pure and Applied Sciences
Journal of Advanced Research in Natural and Applied Sciences
Journal of Advanced Research in Natural and Applied Sciences
Journal of Computer Science and Technologies
Journal of Computer Science and Technologies
Journal of Polytechnic
Journal of Polytechnic
Mus Alparslan University Journal of Science
Mus Alparslan University Journal of Science
NATURENGS
NATURENGS
Turkish Journal of Engineering
Turkish Journal of Engineering
Turkish Journal of Nature and Science
Turkish Journal of Nature and Science
Turkish Journal of Science and Technology
Turkish Journal of Science and Technology
Türkiye Bilişim Vakfı Bilgisayar Bilimleri ve Mühendisliği Dergisi
Türkiye Bilişim Vakfı Bilgisayar Bilimleri ve Mühendisliği Dergisi

Publications

PCG-Generated Randomness: A NIST Analysis of 100-Million Bits
Authors: Zülfiye Beyza Metin , Fatih Özkaynak
Published: 2025 , Turkish Journal of Science and Technology
DOI: 10.55525/tjst.1528213
CITED 1 FAVORITE 0 TOTAL DOWNLOAD COUNT 1571

1

0

1571

An Analysis Tool for Cryptographic Designs Based on Chaotic Systems
Authors: Yılmaz Aydın , Fatih Özkaynak
Published: 2023 , Turkish Journal of Science and Technology
DOI: 10.55525/tjst.1287092
CITED 1 FAVORITE 0 TOTAL DOWNLOAD COUNT 933

1

0

933

Evaluation Guide for Performance Analysis of Image Compression Algorithms
Authors: Fırat Artuğer , Fatih Özkaynak
Published: 2022 , International Journal of Pure and Applied Sciences
DOI: 10.29132/ijpas.1012013
CITED 4 FAVORITE 0 TOTAL DOWNLOAD COUNT 3217

4

0

3217

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