Applied Cryptography: Protocols, Algorithms, and Source Code in C 2nd Edition

by Bruce Schneier (Author)

124 customer reviews

ISBN-13: 978-0471117094

ISBN-10: 0471117099

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There is a newer edition of this item:

Applied Cryptography: Protocols, Algorithms and Source Code in C
$48.05
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". . .the best introduction to cryptography I've ever seen. . . .The book the National Security Agency wanted never to be published.. . ." -Wired Magazine

". . .monumental . . . fascinating . . . comprehensive . . . thedefinitive work on cryptography for computer programmers . . ."-Dr. Dobb's Journal

". . .easily ranks as one of the most authoritative in its field."-PC Magazine

". . .the bible of code hackers." -The Millennium Whole EarthCatalog

This new edition of the cryptography classic provides you with acomprehensive survey of modern cryptography. The book details howprogrammers and electronic communications professionals can usecryptography-the technique of enciphering and decipheringmessages-to maintain the privacy of computer data. It describesdozens of cryptography algorithms, gives practical advice on how toimplement them into cryptographic software, and shows how they canbe used to solve security problems. Covering the latestdevelopments in practical cryptographic techniques, this newedition shows programmers who design computer applications,networks, and storage systems how they can build security intotheir software and systems.

What's new in the Second Edition?
* New information on the Clipper Chip, including ways to defeat thekey escrow mechanism
* New encryption algorithms, including algorithms from the formerSoviet Union and South Africa, and the RC4 stream cipher
* The latest protocols for digital signatures, authentication,secure elections, digital cash, and more
* More detailed information on key management and cryptographicimplementations

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Editorial Reviews

Amazon.com Review

Cryptographic techniques have applications far beyond the obvious uses of encoding and decoding information. For Internet developers who need to know about capabilities, such as digital signatures, that depend on cryptographic techniques, there's no better overview than Applied Cryptography, the definitive book on the subject. Bruce Schneier covers general classes of cryptographic protocols and then specific techniques, detailing the inner workings of real-world cryptographic algorithms including the Data Encryption Standard and RSA public-key cryptosystems. The book includes source-code listings and extensive advice on the practical aspects of cryptography implementation, such as the importance of generating truly random numbers and of keeping keys secure.

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"the definitive publicly available text on the theory and practice of cryptography" (Computer Shopper, January 2002)

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Product details

Series: Spring/Summer 15
Paperback: 758 pages
Publisher: Wiley; 2nd edition (October 18, 1996)
Language: English
ISBN-10: 0471117099
ISBN-13: 978-0471117094
Product Dimensions: 7.2 x 1.6 x 9.2 inches
Shipping Weight: 2.6 pounds (View shipping rates and policies)
Average Customer Review: 124 customer reviews
Amazon Best Sellers Rank: #384,104 in Books (See Top 100 in Books)
- #125 in Books > Science & Math > Mathematics > Pure Mathematics > Discrete Mathematics
- #127 in Books > Computers & Technology > Security & Encryption > Encryption
- #129 in Books > Computers & Technology > Security & Encryption > Cryptography

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Thom Rayne

Not an update!

May 18, 2015

Format: HardcoverVerified Purchase

Be forewarned, this "updated" edition is not updated. I mistakenly assumed the author would have added coverage of AES, which became the standard after DES was defeated, given the recent (2015) issue date. WRONG. This is just an expensive repackaging of the same old 1996 volume I already had in paperback. If you have the older version already, learn from my mistake. You don't need this. If, however, you don't have a copy and you work with cryptography, or need a good reference on older tech, you might want it. It is NOT "current" as the description claims, however; not by any measure. Wanna buy a used paperback version? :-)

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Amazon Customer

2nd Edition Not For the Pristine/Quality Book Collector

June 16, 2018

Format: PaperbackVerified Purchase

This particular book has been a favorite resource of mine since 2001, and it hurts me to give it anything but 5 stars, all because of a specific edition. I recently replaced my missing 1st edition copy, and while it was odd to see a drastic cover change on a new edition, it turned out not to be an actual update compared to the 1st edition. While that was not a huge deal breaker for me, the fact I couldn't purchase a hard-cover did seem odd. If you are someone like myself who purchases specific books in hardback/paperback to have that perfect new book with the "new book smell" to add to their library, this is NOT the book for you.

After receiving a brand new copy of this edition and seeing what the aged cover looked like, which I do not blame the seller for, I did question the legitimacy of the print itself until I noticed the Wiley holographic approval stamp. After further investigation I found the binding to be uneven causing groups of pages to not line up with others, as well as the cover which bent because the wrapping was bound around this flaw for a couple years around the almost newspaper quality paper used within the book.

Overall this is a great book to have, and while there are sections that have certainly aged since the 1st edition (and still in the 2nd edition), I would highly recommend buying the 1st edition if you like to own a book that will last for years. If you could care less if your book falls apart in a year or two, this may be the book for you, but I would still recommend purchasing a used 1st edition paperback over this edition.

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MarbleTech

Good resource, a bit outdated and incomplete

December 26, 2015

Format: HardcoverVerified Purchase

I've used this book as a resource for teaching and for my own personal learning. Bruce Schneier is an incredible leader in the field, and he is know for his explanations that makes difficult concepts easy to grasp.

That said, this book is a bit out of date if you are interested in studying any of the currently used technologies. Also, there is some errata that can confuse people not familiar with the topics already. Finally, some topics contain incomplete discussions.

I would love to see an updated version of this book!

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Armando Fox

Print version still best in the field; Kindle version completely unusable

July 30, 2018

Format: Kindle EditionVerified Purchase

WARNING: Kindle edition is UNUSABLE.
This book is second to none as a crypto reference, and it's been my crypto bible since I was a grad student in the late 90s. But the Kindle conversion is unusable - the equations and source code are unreadable, which renders a good deal of the content useless. Buy the print edition. It will harm a tree but until a good conversion is done (or the actual "source code" to this book is released so aficionados can do a better conversion job) the Kindle edition is almost worse than not having the book, because just when you get to a good algorithm the text becomes unreadable.

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sinbad

Fantastic way to start your crypto learning adventure.

October 10, 2010

Format: PaperbackVerified Purchase

Of course Bruce's book (even the second edition) is very dated in terms of the specific ciphers and hash functions that are prominently featured. But those will continue to evolve as time passes; no book is going to capture the modern developments for long.

The real value of Applied Cryptography is the fundamental understanding (and interest, in my case) it helps to build. Intros to terminology, theory, practical implementations, attack models, and protocol weaknesses are outlined here in great detail. I can honestly say that this book - along with lots of openssl / gnupg tinkering - have put a functional (for my sysadmin purposes) cryptography foundation within my grasp.

NB: this book is old enough that it pays to shop around for a used copy in good condition.

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G. M. Matthews

Very easy to understand, and complete

November 2, 2001

Format: PaperbackVerified Purchase

When I read this just after it came out, it was arguably the best, most comprehensive book on the subject. It may still be, but I haven't surveyed the field in the last year. But either way, this book is very easy to read, and makes some fairly complicated stuff easy to understand. This is a subject area that makes it real easy to be dry, boring, and all of that, but this book is none of those things. Applied Cryptography is fun to read, and makes the subject interesting. About 1/2 of the book is stuff anyone interested in the subject, or anyone that needs to implement some form of encryption or digital signatures will find very useful. The other half is the underlying algorithms and mathematics behind it, which to be honest I didn't read and didn't need to know to do my job. But this is a great book, and has both sides of the story.

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Jonathan

21st Century Marvel

November 19, 2014

Format: PaperbackVerified Purchase

Much praise has already been heaped on Bruce Schneier and this seminal book. I can add that I bought a copy of this book when it was first published. It became a key reference book over my career and finally just fell apart and was discarded. Technology has changed in ways I never dreamed. The new, imaginative and sophisticated cyber threats of today are more challenging than ever. That being said, the principles of this science are as relevant today as they were then. To have them presented as Mr. Schneier has in this book means that new generations will find it as exciting and fresh as if it were a 21st century marvel. It never occurred to me that I could re-read the book for the pure pleasure of it. How remarkable.

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