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The Emperor's Codes: The Breaking of Japan's Secret Ciphers (2000)

av Michael Smith

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276475,293 (3.57)1
"The Emperor's Codes moves across the world from Bletchley Park to Pearl Harbor; from Singapore to Colombo; and from Mombasa to Melbourne, describing not just how the Japanese codes and ciphers were broken but how the lives of the codebreakers, both professional and personal, were affected. It tells the stories of John Tiltman, the eccentric British soldier turned codebreaker who made many of the early breaks into Japanese diplomatic and military codes; Eric Nave, the Australian sailor recruited to work for the British who pioneered breakthroughs in Japanese naval codes; and of Oshima Hiroshi, the hard-drinking Japanese ambassador to Berlin, whose candid reports to Tokyo of his conversations with Hitler and other high-ranking Nazis were a major source of intelligence in the war against Germany. Many of these revelations have been made possible only through using recently declassified British files, through privileged access to Australian secret official histories, and interviews with an unprecedented number of British, American and Australian codebreakers." "Where previous books on the subject have emphasized the role played by the Americans, The Emperor's Codes is the first full account of the critical role played by British and Australian codebreakers. Using the memories of those at the forefront of this battle, Michael Smith reveals a gripping and previously untold story from the Second World War."--BOOK JACKET.Title Summary field provided by Blackwell North America, Inc. All Rights Reserved… (mer)
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Visar 4 av 4
I found this to be a decently informative overview of the Allied code breaking effort on the Japanese codes, but I could not help feeling like something was missing. The book never came alive for me in the way that creative non-fiction books by writers such as Erik Larson, Steven Johnson, or Simon Winchester do. I felt like I was reading a school paper that went through everything that happened in order. Everything was there but it was inert. I also felt like the author's stated opinion that the Americans get too much credit for breaking these codes and the British too little informed his writing a little too much. There were points where it seemed like he had just told us the Americans had done all this great work and he would then say that the British really deserve credit for it. Odd. It was very interesting to read about these efforts, clearly much more ink has been spilled over the breaking of the ENIGMA machine code, and I think it is important to remember this story also. I'm just not sure this is the best book to do so. ( )
  MarkMad | Jul 14, 2021 |
The Americans, English, Australians, and the Canadian codebreakers helped turn the tide in WWII in the Pacific against the Japanese. ( )
  terrygraap | Feb 23, 2015 |
A good overview of the struggle to gain information behind the Japanese Empire approaching and during World War II. The book is filled with personal accounts which make it very personal. Thinking the Pacific War was mostly an American endeavor I learned more about the front in southeast Asia than I had ever been taught. The book does seem to follow a repetitive pattern which can be tedious; move, gather intelligence, crack a code (or almost), codes change, move or start all over. O, and bicker with the Americans.

The repetitive nature of the story is probably has more to do with the nature of the material; code cracking is a boring and repetitive task with lots of work for, what is often, very little. And cryptography uses abstract mathematical concepts most are quite without the background to understand. So those who know cryptography will probably be disappointed in the lack of detail, what detail does exists frustrates the rest. For the difficulty of the material I probably dock a star.

All in all I enjoyed the overview of the Pacific theater of the war and learning more about all the effort which was put into intelligence to bring it to a close. ( )
  tillywern | Feb 16, 2013 |
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I believe most experienced cryptanalysts would agree with me that cryptanalysis is much closer to art than to science, and this is what makes the personal factor so important.

- John Tiltman, chief cryptographer at Bletchley Park, 1940 - 1945
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The extraordinary achievements of the British codebreakers based at Bletchley Park in cracking Nazi Germany's 'unbreakable' Enigma cipher are now widely known.
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Wikipedia på engelska (8)

"The Emperor's Codes moves across the world from Bletchley Park to Pearl Harbor; from Singapore to Colombo; and from Mombasa to Melbourne, describing not just how the Japanese codes and ciphers were broken but how the lives of the codebreakers, both professional and personal, were affected. It tells the stories of John Tiltman, the eccentric British soldier turned codebreaker who made many of the early breaks into Japanese diplomatic and military codes; Eric Nave, the Australian sailor recruited to work for the British who pioneered breakthroughs in Japanese naval codes; and of Oshima Hiroshi, the hard-drinking Japanese ambassador to Berlin, whose candid reports to Tokyo of his conversations with Hitler and other high-ranking Nazis were a major source of intelligence in the war against Germany. Many of these revelations have been made possible only through using recently declassified British files, through privileged access to Australian secret official histories, and interviews with an unprecedented number of British, American and Australian codebreakers." "Where previous books on the subject have emphasized the role played by the Americans, The Emperor's Codes is the first full account of the critical role played by British and Australian codebreakers. Using the memories of those at the forefront of this battle, Michael Smith reveals a gripping and previously untold story from the Second World War."--BOOK JACKET.Title Summary field provided by Blackwell North America, Inc. All Rights Reserved

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Hachette Book Group

2 utgåvor av den här boken publicerades av Hachette Book Group.

Utgåvor: 155970568X, 1559708522

Arcade Publishing

En utgåva av denna bok gavs ut av Arcade Publishing.

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