A HYBRID CIPHERTEXT-POLICY WITH HIERARCHICAL ATTRIBUTE-BASED RING SIGNCRYPTION TO ENHANCE SECURITY AND PRIVACY IN BODY AREA NETWORKS. International Journal of Advanced Research in Computer Science, [S. l.], v. 7, n. 3, p. 78–84, 2017. DOI: 10.26483/ijarcs.v7i3.2671. Disponível em: https://www.ijarcs.info/index.php/Ijarcs/article/view/2671. Acesso em: 22 feb. 2026.