Albahadily HK, Jabbar IA, Altaay AA, Ren X. Issuing Digital Signatures for Integrity and Authentication of Digital Documents. Al-Mustansiriyah J. Sci. [Internet]. 2023 Sep. 30 [cited 2025 May 9];34(3):50-5. Available from: https://mjs.uomustansiriyah.edu.iq/index.php/MJS/article/view/1278