This is an explanation of the Cryptography challenge 'New Caesar' from CyLab Security Academy (formerly picoCTF). You are provided with a short ciphertext and the single Python script that created it.

This was programmed by me as a teaching aid to allow Year 9 pupils to see both how the Caesar Cipher works and to link it directly to programming and computational thinking. It can be used to have ...

Introduction If you need to send a secret message to a friend, how could you prevent other people from reading it? One way is to encrypt the message—that is, use a secret code that only you and your ...