The scytale is known as the first cryptographic device, used in 400 B.C. by the Spartans. It consisted of a baton and a papyrus strips with letters. These papyrus strips would only reveal the message sent between Spartan generals if the baton they…
The Caesar Cipher is one of the oldest ciphers, used by Julius Caesar to communicate with his generals. It works by shifting the alphabet down by a fixed number, or key. Due to the simplicity, it can be broken if the crypanalyst knows that a simple…