Stream Ciphers in Modern Real-Time IT Systems : Analysis, Design and Comparative Studies - Kuznetsov, Alexandr Alexandrovich; Gorbenko, Yurii Ivanovich; Kryvinska, Natalia; Poluyanenko, Nikolay Alexandrovich; Potii, Oleksandr Volodymyrovych (Cham Springer International Publishing AG, 2021)