SUBSTITUTION CIPHER • BEGINNER
Atbash Cipher
Atbash reverses the alphabet: A becomes Z, B becomes Y, C becomes X, and so on.
Alphabet Mapping
ABCDEFGHIJKLMNOPQRSTUVWXYZ
ZYXWVUTSRQPONMLKJIHGFEDCBA
ZYXWVUTSRQPONMLKJIHGFEDCBA
Example
HELLO becomes SVOOL.
Practice Atbash