This puzzle is very simple when you know what to do. After you solve the keypad fingerprint puzzle and make your way into the unlocked room, you can find a computer terminal around the corner on the ...

The aim of this paper is to trace the development of cipher-writing from the very simple devices of the Ancients to the so-called Chiffre Indéchiffrable, generally called the Vigenère Cipher. The ...

Secret code or foreign language? For machines, it might not matter. Without any prior knowledge, artificial intelligence algorithms have cracked two classic forms of encryption: the Caesar cipher and ...