V.P. Dobritsa - Dr. Sc. (Phys.-Math.). Professor, Chair of the Information Security and Communications Network, South-West State University (Kursk). E-mail: dobritsa@mail.ru P.A. Sapelchenkov - Post-Graduate Student, Chair of the Information Security and Communications Network, South-West State University (Kursk). E-mail: eveyinihiko@gmail.com

D.A. Melnikov1, V.G. Belenkov2, P.A. Keyer3, V.I. Korolev4, E.I. Belova5

1 National Research Nuclear University MEPhI (Moscow, Russia)
1, 5 Financial University under the Government of the Russian Federation (Moscow, Russia)
1-4 Federal Research Center «Computer Science and Control» of the Russian Academy of Sciences (Moscow, Russia)