R, Y.; A, M. A Secure Key Exchange Protocol and a Public Key Cryptosystem for Healthcare Systems. Contemporary Mathematics, [S. l.], v. 5, n. 2, p. 2491–2507, 2024. DOI: 10.37256/cm.5220243942. Disponível em: https://ojs.wiserpub.com/index.php/CM/article/view/3942. Acesso em: 22 dec. 2024.