V.G. Kartashevsky – Dr.Sc.(Eng.), Professor, Head of Department «Information Security»,  Volga State University of Telecommunications and Informatics (Samara)

E-mail: kartash@psati.ru

E.S. Semenov – Ph.D.(Eng.), Associate Professor, Head of Department «Telecommunication Systems»,  Volgograd State University

E-mail: essemenov@mail.ru