Wer sich für Kryptografie interessiert: das „Code Book“ von Simon Singh kann komplett auf dessen Homepage für den Privatgebrauch heruntergeladen werden.
With clear mathematical, linguistic and technological demonstrations of many of the codes, as well as illustrations of some of the remarkable personalities behind them – many courageous, some villainous – The Code Book traces the fascinating development of codes and code-breaking from military espionage in Ancient Greece to modern computer ciphers, to reveal how the remarkable science of cryptography has often changed the course of history.
[via barrapunto.com]