A Survey of Traditional or Character Oriented Symmetric Key Cryptography. International Journal of Advanced Research in Computer Science, [S. l.], v. 2, n. 4, p. 147–150, 2017. DOI: 10.26483/ijarcs.v2i4.604. Disponível em: https://www.ijarcs.info/index.php/Ijarcs/article/view/604. Acesso em: 22 feb. 2026.