A SECURE AND ADAPTABLE PRIVACY-PRESERVING FEDERATED LEARNING FRAMEWORK USING MULTI-KEY FULLY HOMOMORPHIC ENCRYPTION. International Journal of Information and Electronics Engineering, [S. l.], v. 16, n. 2, p. 372–393, 2026. DOI: 10.48047/p3wypg03. Disponível em: https://ijiee.org/index.php/ijiee/article/view/1154. Acesso em: 17 may. 2026.