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The Enigma cipher was supposed to be the German's impenetrable defence for its military communications against prying eyes during World War II. All manner of secrets were entrusted to it....

The extraordinary story of a headmaster turned cryptographer, and our top-secret war with the Kaiser's Reich. On 11 August 1914, just days after war had been declared, Australian Captain J.T....

Throughout history, technological revolutions have been driven by the invention of machines. But today, the power of the technology transforming our world lies in an intangible and impenetrable cosmos of...

A CUNNING CHRONICLE OF THE 50 CODES THAT ALTERED THE COURSE OF HISTORY AND CHANGED THE WORLD From the bestselling author of Bletchley Park Brainteasers and The Scotland Yard Puzzle...

Following the emergence of quantum computing, the subsequent quantum revolution will be that of interconnecting individual quantum computers at the global level. In the same way that classical computers only...

This book is about language designed to mean what it does not seem to mean. Ciphers and codes conceal messages and protect secrets. Symbol and magic hide meanings to imperil...

Using easy-to-follow mathematics, this textbook provides comprehensive coverage of block codes and techniques for reliable communications and data storage. It covers major code designs and constructions from geometric, algebraic, and...

NB: This is a secondhand book in very good condition. See our FAQs for more information. Please note that the jacket image is indicative only. A description of our secondhand...

THE NUMBER ONE BESTSELLING AUTHOR 'Top-class' The Times March 1943, the war hangs in the balance, and at Bletchley Park Tom Jericho, a brilliant young codebreaker, is facing a double...