SM9-ENHANCED KEY-POLICY ATTRIBUTE-BASED ENCRYPTION: DESIGN, ANALYSIS, AND APPLICATIONS. International Journal of Modern Computer Science and IT Innovations, [S. l.], v. 2, n. 06, p. 08–23, 2025. DOI: 10.55640/ijmcsit-v02i06-02. Disponível em: https://aimjournals.com/index.php/ijmcsit/article/view/177.. Acesso em: 6 jul. 2025.