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 ...

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 ...

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 ...