Summary of Simon Singh’s The Code Book

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As the value of information increases by the second and new methods of communication alter societies, the process of securing messages and data, which is called encryption, will be playing an increasingly significant part in our daily life.

In The Code Book (1999), Simon Singh traces the history of secret codes and their crucial role in deciding the outcomes of wars and dynasties. He explores the evolution of encryption from simple substitution of letters to a complex cipher system, and shows how the subject of coding is more relevant in the Digital Age than ever before.