Stream Encryption Cryptographic Systems Based on Asymmetric Cet Operations with an Accuracy of Permutation. - Semenov, Serhii; Rudnytskyi, Volodymyr; Lada, Nаtaliia; Krivtsun, Volodymyr; Korotkyi, Tymofii; Zazhoma, Vitalii; Wasiuta, Olga (Applied Sciences (2076-3417), 2026)