Al Boy In, Achmad Fauzi and Hermansyah Sembiring 2022. The Application Of Encryption And Decryption To The Delivery Of Text Messages Using The Rc4 Algorithm (Rivest Code 4) Utilizes The Lsb (Least Of Significant Bit) Algorithm As An Insertion Into The Image. International Journal of Health Engineering and Technology (IJHET). 1, 2 (Jul. 2022). DOI:https://doi.org/10.55227/ijhet.v1i2.15.