MAHAMMAD, S.; K, U. R. Dynamic and Revocable Multi File-Multi User Access Control based Aggregate Key Cryptosystem to Secure Data Sharing in Cloud Computing. International Research Journal of Multidisciplinary Technovation, [S. l.], v. 7, n. 5, p. 121–135, 2025. DOI: 10.54392/irjmt2558. Disponível em: https://journals.asianresassoc.org/index.php/irjmt/article/view/2845. Acesso em: 19 may. 2026.