The Atbash Cipher is a simple substitution cipher that replaces each letter of the alphabet with its reverse (e.g., A becomes Z, B becomes Y, etc.). This project implements the Atbash Cipher in C++.

The Atbash Cipher is a simple substitude cipher where all the letters in the plaintext are reversed. Thus, any 'A's become 'Z's, 'B's become 'Y's, etc. $ ./atbash < ../data/quick_brown_fox.txt GSV ...