Seble Bete, Samuel Asferaw Demilew, Tefera Alagaw Woldegiworgis, Getaneh Geto Tsegaye, Dagne Walle Girmaw. "Enhanced security of affine ciphers using digraph transformation and a modified three pass protocol." Scientific Reports, 2025. doi:10.1038/s41598-025-20773-5