Wiyono, Nuri, and Mardi Hardjianto. “Pengamanan Email Menggunakan Algoritma RSA Dan Digital Signature SHA-1 Berbasis Mobile”. IPSIKOM 4, no. 2 (August 2, 2019). Accessed May 2, 2026. https://ipsikom.unipem.ac.id/index.php/ipsikom/article/view/57.