VERISIGNDOC: DIGITAL SIGNATURE VERIFICATION SYSTEM FOR OFFICIAL DOCUMENTS. Journal of Digital System Development, [S. l.], v. 4, n. 1, p. 108–120, 2026. DOI: 10.32890/. Disponível em: https://e-journal.uum.edu.my/index.php/jdsd/article/view/jdsd2026.4.1.8. Acesso em: 31 may. 2026.