Ushawu Ibrahim, Edem Kwedzo Bankas, and Callistus Ireneous Nakpih , Trans., “An Extended AES Scheme for Increasing Randomness in Ciphertext”, IJIES, vol. 13, no. 1, pp. 22–29, Jan. 2026, doi: 10.35940/ijies.B4731.13010126.