SEDDIK, Hassene. Combined Multi-encryption Techniques for Text Securing Using Block Cipher and Stream Cipher Crypto-systems. International Journal of Recent Contributions from Engineering, Science & IT (iJES), [S. l.], v. 1, n. 1, p. pp. 53–57, 2013. DOI: 10.3991/ijes.v1i1.2901. Disponível em: https://online-journals.org/index.php/i-jes/article/view/2901. Acesso em: 29 mar. 2024.