How the CIA’s Kryptos Sculpture Gave Up Its Final Secret

The 35-year-old saga of Kryptos, an enigmatic sculpture containing four encrypted messages outside the CIA headquarters, just ...
Scientific American

How the World’s Most Famous Code Was Cracked

How does one crack the world’s most famous code? The breakthroughs on Kryptos provide a guided tour through the cat and mouse game between code makers and code breakers that has defined information ...
insider.si.edu

Codes and ciphers : Julius Caesar, the Enigma, and the internet / R.F. Churchhouse

1. Introduction -- 2. From Julius Caesar to simple substitution -- 3. Polyalphabetic systems -- 4. Jigsaw ciphers -- 5. Two-letter ciphers -- 6. Codes -- 7. Ciphers for spies -- 8. Producing random ...
Hackaday

caesar cipher

CSL Dualcom, a popular maker of security systems in England, is disputing claims from [Cybergibbons] that their CS2300-R model is riddled with holes. The particular device in question is a ...
CSOonline

Italian mob boss done in by Caesar Cipher

“According to Martignago, the Provenzano code might have been made more secure by changing the + 3 key with other shift characters ( +5, +7, +8, etc.) from time to time.” This is one of those stories ...