IMPLEMENTATION OF QR CODE AND ADVANCED ENCRYPTION STANDARD (AES) ALGORITHM IN LETTER VALIDATION. Infosecure, [S. l.], v. 5, n. 1, p. 38–45, 2024. Disponível em: https://jurnal-pasca.unla.ac.id/infosecure/article/view/v5n1_06.. Acesso em: 4 apr. 2026.