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 ...
BBC

Cyberspace, network security and data transfer - CCEA

Caesar cipher is a very simple encryption method and is easily cracked if one studies the frequency of repeating letters. To improve the strength of the encryption method a more complex key could be ...
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 ...
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Understanding Caesar Cipher in Python — Encode and Decode Text Easily

Curious how the Caesar Cipher works? This Python tutorial breaks it down in a simple, beginner-friendly way. Learn how to encode and decode messages using one of the oldest and most famous encryption ...