A simple method to Encrypt and Decrypt a message using "Caeser Cipher". if the user input any text it will return every character with shifting by identified key that the user would input iit after his text decryption methology: if the user want to decrypt his text he would input a text and an identified shifting key that would return the original text. you have to run the software code then choose neither encrypt icon nor decrypt's one. Then you should text your message in the entry box and choose a shifting key from the scale. if you choosed encrypt icon you will get encrypted message as a result. And if you choosed decrypt you will get decrypted message as a result.