Kozina Halyna Leonidivna

Position

Associate Professor of the Department IBtaN

Academic degree

Candidate of Physics and Mathematics

Academic title

docent

Education

higher

1978, Leningrad State University, majoring in Operations Research, diploma qualification – mathematician

Subjects taught

Basics of cryptography and steganography

Methods for constructing and analyzing cryptosystems

Digital Signature Protocols

Applied steganography

Applied cryptology

Main languages of communication

Ukrainian.

Theses:

  • PhD thesis:

    05.15.16 «Use of computing, mathematical modeling and mathematical methods in scientific research»: «Algorithms and estimates for some vector optimization problems on multi-colored graphs», year of defense – 1994, Zaporizhzhia State University (Zaporizhzhia).

Scientific interests:

  • Cryptographic methods of information protection

  • Cryptanalysis methods

  • Steganographic information protection

Scientist accounts

Total scientific papers: 40, of which 6 are patents, 2 are textbooks.

Year of commencement of activities at the university: 1987.

Main scientific works

  1. 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., D. I. Prokopovych-Tkachenko, Katsyuba V. V. // Systems and Technologies, No. 2 (68), 2024. – P. 78-85.

  2. Kozina G. L. Steganographic protection system for photographs using fragile watermarks / Kozina G. L., Savchenko Yu. V., Voskoboynik V. O., Karpukov L. M. // Systems and Technologies, No. 2 (64), 2022. – P. 75-81.

  3. Karpukov L. M. Method of increasing information security in communication channels using microwave filters with attenuation poles at given frequencies / Karpukov L. M., Voskoboynik V. O., Savchenko Yu. V., Kozina G. L. // Systems and Technologies, No. 2 (64), 2022. – P. 64-74.

  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 (Translated from Kibernetyka ta Systemnyi Analiz, No. 1, January–February, 2021, pp. 191–200.) (Kozina G.L. Aggregate Signature Protocol with Group Leader / Kozina G.L., Savchenko D.K. // Cybernetics and System Analysis. – 2021. – No. 1 (57). – P.165-172.)

  5. Galchenko A.V. Modification of the Meng deniable encryption algorithm / Galchenko A.V., Kozina G.L. // Radioelectronics. Informatics. Management. – 2016. – No. 2. – P.77-86.

  6. Kalinin D.A. Speed ​​of ciphers «KALINA» and AES / Kalinin D.A., Kozina G.L. // Radioelectronics. Informatics. Management. – 2013. – No. 1. – P.62-65.

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

  8. Nikulishchev G.I. Elliptic and hyperelliptic curves over finite vector fields / Nikulishchev G.I., Kozina G.L., Nelasa G.V. // Applied Radio Electronics. – Kharkov, 2011, Vol. 10, – No. 2. P. 188-191.

  9. Kozina G.L. Collective signing of various documents by unequal participants in the protocol / G.L. Kozina, L.M. Karpukov, D.M. Pisa, M.A. Moldovyan //Information protection: scientific and technical journal. – K:DUICT, 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. Research of extremal problems on graphs with interval parameters. Bulletin of Zaporizhzhia State University. N 1, 1999, pp. 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, Zhukovsky str. 64, building 3

Classroom:

32nd

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