VoIP Speech Encryption System Using Stream Cipher with Chaotic Key Generator. Iraqi Journal of Science, [S. l.], p. 240–248, 2021. DOI: 10.24996/ijs.2021.SI.1.34. Disponível em: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/3918.. Acesso em: 2 may. 2024.