Fernando, E., Murad, D., Rohayani, H., Fachruddin, F., & Siagian, P. (2020). Analisa Dan Implementasi Algoritma Enkripsi Simetris Data Encryption Standard (DES) Pada Raspberry Pi. Ultimatics : Jurnal Teknik Informatika, 11(2), 55-59. https://doi.org/https://doi.org/10.31937/ti.v11i2.1167