LUONG, T. T.; PHUONG, T. M.; LONG, N. V.; KHANH, N. N. Enhancing SPN ciphers: Dynamic substitution-key addition layers via binary block circulant matrices. Journal of Science and Technology on Information security, [S. l.], v. 1, n. 24, p. 12-29, 2025. DOI: 10.54654/isj.v1i24.1100. Disponível em: https://isj.vn/index.php/journal_STIS/article/view/1100. Acesso em: 29 sep. 2025.