This Python project implements a substitution cipher tool for encrypting and decrypting messages. Users can create custom cipher keys, encrypt messages using these keys, and save encrypted messages ...
for k in range(i, N, 3): if (j ^ Characters[k] >= 97 and j ^ Characters[k] <= 122) or \ (j ^ Characters[k] >= 65 and j ^ Characters[k] <= 90) or \ (j ^ Characters[k ...