Every cipher has a "key"—information used to decipher a message. Some ciphers have simple keys, others, complex ones. The key for a cipher used by Augustus Caesar, some 2,000 years ago ...
Repeat until you fully decipher the message. This encrypted message may look intimidating, but don't be discouraged. If you find that you need help, check out Hints. If you get stuck, you may view ...
[Rostislav Persion] wrote a simple Morse Code decoder to run on his Arduino and display the text on an LCD shield. This is probably the simplest decoder possible, and thus its logic is pretty ...
The Rosetta Stone played a vital role in researchers deciphering hieroglyphics. It was found in 1799, but wasn't fully deciphered until many years later.