Man has created codes to keep secrets and has broken codes to learn those secrets since the time of the Pharaohs. For 4,000 years, fierce battles have been waged between codemakers and codebreakers, and the story of these battles is civilization's secret history, the hidden account of how wars were won and lost, diplomatic intrigues foiled, business secrets stolen, governments ruined, computers hacked. From the XYZ Affair to the Dreyfus Affair, from the Gallic War to the Persian Gulf, from Druidic runes and the kaballah to outer space, from the Zimmermann telegram to Enigma to the Manhattan Project, codebreaking has shaped the course of human events to an extent beyond any easy reckoning. Once a government monopoly, cryptology today touches everybody. It secures the Internet, keeps e-mail private, maintains the integrity of cash machine transactions, and scrambles TV signals on unpaid-for channels. David Kahn's "The Codebreakers" takes the measure of what codes and codebreaking have meant in human history in a single comprehensive account, astonishing in its scope and enthralling in its execution. Hailed upon first publication as a book likely to become the definitive work of its kind, "The Codebreakers" has more than lived up to that prediction: it remains unsurpassed. With a brilliant new chapter that makes use of previously classified documents to bring the book thoroughly up to date, and to explore the myriad ways computer codes and their hackers are changing all of our lives, "The Codebreakers" is the skeleton key to a thousand thrilling true stories of intrigue, mystery, and adventure. It is a masterpiece of the historian's art.
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Book Description
The magnificent, unrivaled history of codes and ciphers -- how they're made, how they're broken, and the many and fascinating roles they've played since the dawn of civilization in war, business, diplomacy, and espionage -- updated with a new chapter on computer cryptography and the Ultra secret.
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"The Christian Science Monitor" A literary blockbuster...for many evening of gripping reading, no better choice can be made than this book.
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Most Helpful Customer Reviews
20 of 21 people found the following review helpful
By A Customer
Format:Hardcover
The 1967 edition of this book is and always will be a classic. What a disappointment to find that this new edition offers such a poor updating of new information which has come to light over the last the 30 years. If the revelations of the 1970s about the Enigma decrypts and the Bletchley Colossus machines did not warrant at least a major chapter, what does? (They get only brief treatment in the new 15 page addendum.) Numerous other omissions come to mind. This book deserved better for its new edition.
21 of 28 people found the following review helpful
By A Customer
Format:Hardcover
David Kahn's newest book updates his previous work, which sits on every Cryptographer's, Cryptanalyst's, and government Special Intelligence officer's bookshelf in the entire world. If you REALLY want to how ciphers, codes, and systems are broken, Kahn is the author who tells you. Any person knowledgable in the field of Cryptology or Intelligence will tell you that Kahn' book has never been equalled. It is known as "The Bible of Cryptology" within the field.
From early Sparta and Rome to the present day, the strengths and weaknesses of systems and devices are presented in clear, concise terms -- occassionally with a bit of levity, where appropriate. Novices in the field will find much useful -- and highly interesting -- information. Professionals always find reminders of the fallability of "unbreakable" systems.
Kahn's writing style is clear, concise, and analytical. It is never boring.
I was employed by a maker of Cryptographic equipment, and was authorized to discuss key generator and cipher system issues with the heads of national governments. A copy of "Codebreakers" was our most requested -- and welcomed gift. That speaks more eloquently than any words I might craft.
By Eric
Format:Hardcover|Amazon Verified Purchase
This is not fiction. It is fact and covers secret codes through the ages. It is fascinating to read and covers the full history of codes.
I am concerned about internet security and read all the methods of secret codes and code breaking to ensure that I retain secure transactions.
There are a lot of pages to read (over 1,000) so it will take a while to digest it all.
Excellent value for money.
I am concerned about internet security and read all the methods of secret codes and code breaking to ensure that I retain secure transactions.
There are a lot of pages to read (over 1,000) so it will take a while to digest it all.
Excellent value for money.
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