SAAD MOHAMMED, R. . Proposed a Variable Length Block Cipher Algorithm. Mustansiriyah Journal for Sciences and Education, [S. l.], v. 18, n. 3, p. 93-110, 2020. Disponível em: https://edumag.uomustansiriyah.edu.iq/index.php/mjse/article/view/268. Acesso em: 20 oct. 2021.