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 ...

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 ...

The Caesar cipher is one of the simplest and best known encryption techniques. It is a monoalphabetic monogametic substitution cipher. The central idea is to make each letter of the original alphabet ...