Riadi, I., 		Fadlil, A., & 		Tsani, F.
(2022).
 Vigenère Cipher Algorithm Optimization for Digital Image Security using SHA512.
<em>Lontar Komputer : Jurnal Ilmiah Teknologi Informasi, 13</em>(2), 84-95.
doi:10.24843/LKJITI.2022.v13.i02.p02