A Vigenère cipher will be used. The user must be able to specify the keyword for the Vigenère cipher
You will need to write out the keyword at the beginning of the message followed by #KEY# This will indicate what the keyword is and where it stops and the message will begin write after
the second #.
Do not encrypt keyword, the end of keyword and end of message characters: #KEY# and #.-.-.-#
The user should be able to see an unencrypted and encrypted version of the message.
A Vigenère cipher will be used. The user must be able to specify the keyword for the Vigenère cipher