MOHAMMED SALIH, Salih. Modified Key Model of Data Encryption Standard. Anbar Journal of Engineering Science, [S. l.], v. 3, n. 1, p. 20–33, 2010. DOI: 10.37649/aengs.2010.14266. Disponível em: https://ajes.journalpath.com/ajes/article/view/385. Acesso em: 8 jun. 2025.