Mental Floss columnist A.J. Jacobs has written a fascinating book called ... called a Caesar cipher, where letters are shifted a predetermined amount: For instance, you can shift it two letters ...

But simple shift codes such as Caesar Shift Cipher used in the GeekDad Challenge ... One last thing : as GeekDad did, use books sentences as encrypted messages. Books you love and you'd like ...

The Caesar shift cipher In 54 BC, the Gaulish leader Ambiorix revolted against ... This seemingly simple observation led to the first major breakthrough in cryptanalysis! (See The Code Book by Simon ...

The key determines an entirely different Caesarian, or shift cipher, to be used at each position; meaning the neural network can no longer simply count the frequencies of letters and perform simple ...