Public-key Infrastructure. American International Journal of Sciences and Engineering Research , [S. l.], v. 1, n. 1, p. 11–16, 2018. DOI: 10.46545/aijser.v1i1.21. Disponível em: https://acseusa1.bdtopten.com/index.php/aijser/article/view/98. Acesso em: 1 feb. 2026.