BABENKO, Yurii; PRYSHCHEPA, Oleksandra. Hybrid authentication method for mass PDF documents based on digital signature and steganographic embedding. Ukrainian Scientific Journal of Information Security, [S. l.], v. 32, n. 1, p. 14–18, 2026. DOI: 10.18372/2225-5036.32.21641. Disponível em: https://jrnl.kai.edu.ua/index.php/Infosecurity/article/view/21641. Acesso em: 3 nov. 2026.