Secure Communications in the Fog and Internet of Things Using a Hierarchical Attribute-Based Encryption Scheme. International Journal of Information Technology and Computer Engineering, [S. l.], v. 8, n. 4, p. 72–74, 2020. Disponível em: https://ijitce.org/index.php/ijitce/article/view/175. Acesso em: 26 apr. 2026.