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Philip Zimmermann
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Pgp: Source Code and Internals

by Philip Zimmermann (Author)
5.0 out of 5 stars 4 ratings
PGP (Pretty Good Privacy) is a computer program for the encryption of data and electronic mail, which allows individuals the same privacy in their communications as that enjoyed by governments and large corporations. PGP, which is freely available on the Internet, uses public-key cryptography, which is particularly well-suited to the needs of computer-mediated communications. This volume contains a formatted version of the complete source code for the latest release (2.6.2) of PGP. Annotation copyright Book News, Inc. Portland, Or.
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  1. ISBN-10
    0262240394
  2. ISBN-13
    978-0262240390
  3. Publisher
    Mit Pr
  4. Publication date
    January 1, 1995
  5. Language
    English
  6. Dimensions
    8.25 x 1.75 x 9.25 inches
  7. Print length
    933 pages
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Product details

  • Publisher ‏ : ‎ Mit Pr (January 1, 1995)
  • Language ‏ : ‎ English
  • Hardcover ‏ : ‎ 933 pages
  • ISBN-10 ‏ : ‎ 0262240394
  • ISBN-13 ‏ : ‎ 978-0262240390
  • Item Weight ‏ : ‎ 3.95 pounds
  • Dimensions ‏ : ‎ 8.25 x 1.75 x 9.25 inches
  • Customer Reviews:
    5.0 out of 5 stars 4 ratings

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Philip Zimmermann

Philip Zimmermann

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5 out of 5 stars
4 global ratings

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Top reviews from the United States

  • Larry Stanley
    5.0 out of 5 stars Pgp : Source Code and Internals.
    Reviewed in the United States on April 17, 2000
    A must read for experienced programmers who wish to analyze the source code written by the author of Pretty Good Privacy, and discover his methods for encryption and deployment of a modern encryption standard.
    14 people found this helpful
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  • qbfx
    5.0 out of 5 stars 歴史的書物
    Reviewed in Japan on October 8, 2019
    Verified Purchase
    中古ですがコンディションは十分許容範囲でした。
    この分厚い書籍の中で人が読むために書かれたのはたった3ページのまえがきだけです。あとはOCRで読みとるためにこの書籍が出版された、そんな事情をよく知る人も少なくなりましたね。
    合衆国政府が暗号の輸出規制をしいていた1990年代、誰でも検閲されずにmailをやり取りする権利があるのだ、とZimmermannはPGPを書き上げ配布、しかしこれを世界に配布するためには一度合衆国の外に「合法的に」持ち出す必要がある。暗号技術の輸出は非合法だから。そこで、一計を案じた彼は書籍の形で出版します。合衆国憲法修正第一条に記された Freedom of Pressに守られ、国境を越えた書籍はOCRで読み取られ、再構築されたソフトウェアはインターネットで配布されました。　この出版の翌年、1996年にようやく起訴が取り下げられ、1999年には暗号輸出規制も解除。この背景には規制しても実質的に意味がない状況を作り上げたZimmermann達の貢献もあったのでしょう。FBIとの戦いの最中に出版に踏み切ったMIT Pressもさすが。

    とんでもない価格になる前に手に入れられたのは幸運だったかもしれません。保存して後世に語りつぐ義務はあると思うので。
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  • Mr. B. R. ARNFIELD
    5.0 out of 5 stars A speciality book for those interseted in Encription implementation in software
    Reviewed in the United Kingdom on December 5, 2012
    Verified Purchase
    This book has an interesting history as Philip Zimmermann wrote an application called "Pretty Good Privacy" (PGP). This encryption proved to be so good that when published on the internet was withdrawn and export banned at the request of the US government as the encription was so good that at the time it bettered the military encryption methods. The bizarre part about this was that although banned from publishing and exporting the code, it was not an offence to publish the code in book form and place it on sale, which is how I obtained it. For anyone like me interested in the algorithms employed, this book satisfies much of that curiosity. There are ongoing problems with licensing regarding the similarity to the RSA alorithm used. These do not apply in the UK as a similar method had been used by the security services (MI5/6) in the previous decade and had been published therefore the licensing had effectively been torpedoed. The US export ban was too late for the app to be available in Europe as the genie was already out of the bottle.
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