ecryption-decryption-using-CRT Encryption and decryption of text containing only alphabets using RSA-CRT and only CRT references https://www.cscjournals.org/manuscript/Journals/IJCSS/Volume10/Issue5/IJCSS-1289.pdf http://www.ripublication.com/ijaerspl2019/ijaerv14n2spl_38.pdf https://www.khanacademy.org/computing/computer-science/cryptography/modarithmetic/a/what-is-modular-arithmetic