Kapalova Н.; Abisheva А. ON THE ISSUE OF MODERN APPROACHES TO CRYPTOGRAPHIC KEY MANAGEMENT AND APPLICATION OF DIGITAL SIGNATURE. Bulletin of Abai KazNPU. Series of Physical and Mathematical sciences, Almaty, Kazakhstan, v. 91, n. 3, p. 213–220, 2025. DOI: 10.51889/2959-5894.2025.91.3.019. Disponível em: https://bulletin-phmath.kaznpu.kz/index.php/ped/article/view/2415. Acesso em: 7 dec. 2025.