Alice and Bob and Carl and Julius: terminology and Caesar Cipher ; The key to the matter: generalizing the Caesar Cipher ; Multiplicative ciphers ; Affine ciphers ; Attack at dawn: cryptanalysis of ...

For machines, it might not matter. Without any prior knowledge, artificial intelligence algorithms have cracked two classic forms of encryption: the Caesar cipher and Vigenère cipher.

A top secret science projectPlain: HELLO Cipher: EBIIL In order to decode your message, you need to share the “key” (the number 3) with your friend. After that you can send messages that are ...