**Author details**

Pavel B. Khorev National Research University "Moscow Power Engineering Institute", Moscow, Russia

\*Address all correspondence to: pbkh@yandex.ru

© 2019 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

*User Authentication Based on Knowledge of Their Work on the Internet DOI: http://dx.doi.org/10.5772/intechopen.88620*
