SECUREFILECHAIN: A BIOMETRIC-DRIVEN AND CHACHA ENHANCED FRAMEWORK FOR PRIVACY-PRESERVING DATA SHARING IN CYBER-PHYSICAL-SOCIAL SYSTEMS . International Journal of Engineering Research and Science & Technology, [S. l.], v. 21, n. 3 (1), p. 608–615, 2025. DOI: 10.62643/ijerst.v21.n3(1).pp608-615. Disponível em: https://ijerst.org/index.php/ijerst/article/view/1259. Acesso em: 2 nov. 2026.