SECURING THE CLOUD COMPUTING SYSTEMS WITH MULTI-KEYS USING HOMOMORPHIC ENCRYPTION METHOD. International Journal of Emerging Trends in Science and Technology, [S. l.], v. 1, n. 02, 2014. Disponível em: https://www.ijetst.in/index.php/ijetst/article/view/22. Acesso em: 24 oct. 2026.