Khairani, M. , Harahap , H. , Siregar, Y.S. and Lubis, Y.F.A. 2022. The Implementation Of Discrete Cosine Transform (DCT) And Blowfish Methods In Digital Video Security . Sinkron : jurnal dan penelitian teknik informatika. 6, 1 (Feb. 2022), 232-242. DOI:https://doi.org/10.33395/sinkron.v7i1.11286.