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 A.Y. Zakharina - Master, Department of Protection of Information and Communications Systems, South-West State University (Kursk). E-mail: sasha_star@inbox.ru N.S. Ualiyev - Ph.D. (Phys.-Math), Associate Professor, Chair of Information Technology of Zhetysu State University named after Ilyas Zhansugurov (Zheltoksan, Kazakhstan). E-mail: n.ualiyev@gmail.com