Implementation of the data encryption using caesar cipher and vernam cipher methods based on CrypTool2. J. Soft Comput. Explor. [інтернет]. 30, Вересень 2022 [цит. за 25, Серпень 2026];3(2):99-104. доступний у: https://shmpublisher.com/index.php/joscex/article/view/86