K.E. Rumyantsev - Dr. Sc. (Eng.), Professor, Head of Department, Institute of Computer Technology and Information Security of SFU (Taganrog) E-mail: rke2004@mail.ru A.P. Plyonkin - Post-graduate Student, Institute of Computer Technology and Information Security of SFU (Taganrog) E-mail: pljonkin@mail.ru

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