Type: Substitution
> ceasar cipher or gronsfeld cipher is a type of encryption to which associated a shift of a fixed number of a letter (towards left or right). Each letter is then relaced by that obtained after performing the shift.
(Note: encoding or decoding depends on the number of shift)
Encrypt-shift forward
Decrypt-shift backward
Example:
Shift: 3
1.)LOVE
encrypted=ORYH
decrypted=ILSB
