Kurniawan, Yusuf, Adang Suwandi Ahmad, M. Sukrisno Mardiyanto, Iping Supriana, and Sarwono Sutikno. 2013. “Analisis Sandi Diferensial Terhadap AES, DES Dan AE1”. Journal of Mathematical and Fundamental Sciences 38 (1):73-88. https://doi.org/10.5614/itbj.sci.2006.38.1.5.