Kozina Halyna Leonidovna

Position

associate professor of the Department of Science and Technology

Academic degree

Ph.D. physics and mathematics of science

Academic title

docent

Education

higher 1978, Leningrad State University, specialty “Operations Research”, diploma qualification – mathematician

Subjects taught

Basics of cryptography and steganography Methods of construction and analysis of cryptosystems Digital signature protocols Applied steganography Applied cryptology

Main languages of communication

Ukrainian

Theses:

  • PhD thesis:

    05.15.16 "Use of computer technology, mathematical modeling and mathematical methods in scientific research": "Algorithms and evaluations for some problems of vector optimization on multi-colored graphs", year of defense - 1994, Zaporizhia State University (Zaporizhia).

Scientific interests:

  • Cryptographic methods of information protection

  • Methods of cryptanalysis

  • Steganographic protection of information

Accounts of a scientist

<p>Total scientific works: 40, of which 6 patents, 2 educational manuals.</p>

The year of the start of activity at the university: 1987.

Основні наукові роботи

  1. <p>Kozina, G. L. Mathematical approach to increasing the speed of software implementation of the SM4 crypto algorithm / Kozina, G. L., Savchenko, Yu. V., Voskoboynyk, V. O., Prokopovich-Tkachenko, D. I., Katsyuba, V. V. // Systems and Technologies, No. 2 (68), 2024. - C. 78-85.</p>

  2. <p>Kozina G. L. The system of steganographic protection of photographs using fragile watermarks / Kozina G. L., Savchenko Yu. V., Voskoboynyk V. O., Karpukov L. M. // Systems and Technologies, No. 2 (64), 2022. – C. 75-81.</p>

  3. <p>Karpukov L.M. The method of increasing the security of information in communication channels using microwave filters with attenuation poles at specified frequencies / Karpukov L.M., Voskoboynyk V.O., Savchenko Yu.V., Kozina G.L. // Systems and Technologies, No. 2 (64), 2022. - P. 64-74.</p>

  4. Kozina, G.L., Savchenko, D.K. Aggregate Signature Protocol with Group Leader. Cybern Syst Anal 57, 165–172 (2021). https://doi.org/10.1007/s10559-021-00340-2. 2021. - No. 1 (57). - P.165-172.)

  5. Galchenko A.V. Modification of Meng's negated encryption algorithm / A.V. Galchenko, G.L. Kozina. // Radio electronics. Informatics. Management. – 2016. – No. 2. - P.77-86.

  6. <p>Kalinin D.A. The speed of operation of "KALINA" and AES ciphers / D.A. Kalinin, G.L. Kozyna. // Radio electronics. Informatics. Management. – 2013. – No. 1. - P.62-65.</p>

  7. Nikulishchev G.I. Anonymity as a criterion for evaluating the security of blind electronic digital signature protocols / G.I. Nikulishchev, G.L. Kozina. // Legal, regulatory and metrological support of the information protection system in Ukraine. – 2012. – No. 2.–C.59-65.

  8. Nikulishchev G.I. Elliptic and hyperelliptic curves over finite vector fields / G.I. Nikulishchev, G.L. Kozina, G.V. Nelasa. // Applied radio electronics. - Kharkiv, 2011, T. 10, - No. 2. P. 188-191.

  9. Kozina G.L. Collective signing of various documents by unequal participants of the protocol / G.L. Kozina, L.M. Karpukov, D.M. Pisa, M.A. Moldovan // Protection of information: scientific and technical journal. - K: DUIKT, 2009, - No. 3. - P. 74-80.

  10. Kozina, G. Discrete Optimization Problems with Interval Data: Pareto Set of Solutions or Set of Weak Solutions? Reliable Computing. 2004. - V. 10, N 6, pp. 469 - 487.

  11. Kozyna G.L. Study of extremal problems on graphs with interval parameters. Bulletin of Zaporizhzhya State University. No. 1, 1999, Art. 63-68.

  12. Kozina, G.L. and Perepelitsa, V.A. Interval Spanning Trees Problem: Solvability and Computational Complexity. Interval Computations, 1, 1994, pp. 42-50.

Contacts

Address:

69063, Ukraine, Zaporizhzhia, str. Zhukovsky 64, building 3

Classroom:

<p>32-a</p>

Events Calendar

June 2026
September 2026
June 2026
May 2026
April 2026
March 2026
February 2026
January 2026
December 2025
November 2025
October 2025
September 2025
August 2025
July 2025
June 2025
May 2025
April 2025
March 2025
February 2025
JUN 05 Fri
Traditional forum “Educational Leadership Days”
Незламний Хаб «Титан» (вул. Перемоги, 131) + ZOOM
JUN 12 Fri
Tomorrow
Практикум з розвитку креативності «Виходь за рамки»
11:00
JUN 15 Mon
Next week
Additional points to the rating for participation in scientific and innovative activities
JUN 19 Fri
Next week
Summer Media School of Zaporizhia Polytechnic National University
JUN 22 Mon
Soon
Матеріальна підтримка обдарованої молоді м. Запоріжжя у ІІ півріччі 2026 року
JUN 22 Mon
Soon
Competition for the selection of participants for participation in the German-Ukrainian Summer Sc...
JUN 28 Sun
Soon
Запрошуємо взяти участь у спеціалізованому навчальному курсі від Аргонської національної лаборато...
JUN 09 Tue
Psychological workshop “My path to the goal”
вулиця Незалежної України, 40
JUN 09 Tue
Academy of Educational Quality
JUN 07 Sun
Стипендіальна дослідницька програма NADIYA 2026: гранти на короткострокову наукову мобільність у ...
JUN 05 Fri
Educational Leadership Days Forum: Youth Section
Молодіжний хаб «FREETIME»(вул. Університетська (Жуковського) 64, аудиторія 16а) + ZOOM
JUN 05 Fri
Forum “Educational Leadership Days”. Panel Discussion 2: University Research in New R...
Незламний Хаб «Титан» (вул. Перемоги, 131) + ZOOM
JUN 05 Fri
Forum “Days of Educational Leadership”. Panel Discussion 1: “Educational Activi...
Незламний Хаб «Титан» (вул. Перемоги, 131) + ZOOM
JUN 05 Fri
Онлайн-лекція «Насоси Dab та рішення як для побуту, так і для промисловості від “Енергії во...
JUN 05 Fri
Youth section of the forum “Educational Leadership Days”
молодіжний хаб «FREETIME»(вул. Університетська (Жуковського) 64, аудиторія 16а) + ZOOM