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

E.S. Razdyakonov1

1 Financial University under the Government of the Russian Federation (Moscow, Russia)

1 esrazdyakonov@gmail.com