Programming: Write a simple file encryption program with its own, very simple, and insecure encryption algorithm. Accept a password or phrase as input and use repetitions of that word or phrase as a...

Programming: Write a simple file encryption program with its own, very simple, and insecure encryption algorithm. Accept a password or phrase as input and use repetitions of that word or phrase as a key stream for a cipher that encrypts the file. Does this provide strong encryption? Why or why not?