caesar-cipher

In cryptography, a Caesar cipher, also known as Caesar's cipher, the shift cipher, Caesar's code or Caesar shift, is one of the simplest and most widely known encryption techniques. It is a type of substitution cipher in which each letter in the plaintext is replaced by a letter some fixed number of positions down the alphabet.

Run

Encoding

python3 cipher.py -i <inputfile.txt> -o <outputfile.txt>

Decoding

python3 decipher.py -i <inputfile.txt> -o <outputfile.txt>