An Adaptive Two-Factor Authentication Scheme Based on the Usage of Schnorr Signcryption Algorithm. Informatica, [S. l.], v. 47, n. 5, 2023. DOI: 10.31449/inf.v47i5.4627. Disponível em: https://puffbird.ijs.si/index.php/informatica/article/view/4627. Acesso em: 25 sep. 2025.