ULLAH, I.; UL AMIN, N.; UMAR, A. I.; KHATTAK, H. Proxy Promised Signcrypion Scheme Based on Elliptic Curve Crypto System. International Journal of Computer (IJC), [S. l.], v. 20, n. 1, p. 167–173, 2016. Disponível em: https://ijcjournal.org/index.php/InternationalJournalOfComputer/article/view/541. Acesso em: 18 apr. 2024.