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

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Bruce Schneier (Author)
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Bruce Schneier (Author)
4.6 out of 5 stars 151 customer reviews
ISBN-13: 978-0471117094
ISBN-10: 0471117099
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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: 4.6 out of 5 stars  See all reviews (151 customer reviews)
  • Amazon Best Sellers Rank: #109,790 in Books (See Top 100 in Books)

Customer Reviews

Top Customer Reviews

3.0 out of 5 starsNot an update!
By Thom Rayne on May 18, 2015
Format: Hardcover Verified 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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5.0 out of 5 starsA bit out of date, but highly worth reading
By Christopher Culver TOP 1000 REVIEWER on January 24, 2002
Format: Paperback
Bruce Schneier's APPLIED CRYPTOGRAPHY is an excellent book for anyone interested in cryptology from an amateur level to actually being involved in the development of new encryption mechanisms. Schneier's book begins with a simple discussion of what is cryptography, and then he proceeds through the history of various encryption algorithms and their functioning. The last portion of the book contains C code for several public-domain encryption algorithms.
A caveat: this is not a textbook of cryptography in the sense that it teaches everything necessary to understand the mathematical basis of the science. Schneier does not discuss number theory because he expects those who use the relevant chapters of the book will already have training in higher maths. Nonetheless, the book does contain a wealth of information even for the layman.
One helpful part of Schneier's book is his opinion of which encryption algorithms are already broken by the National Security Agency, thus letting the reader know which encryption programs to avoid. There will always be people who encrypt to 40-bit DES even though it is flimsy and nearly instantly breakable, but the readers of APPLIED CRYPTOGRAPHY can greatly improve the confidentiality of their messages and data with this book. Discussion of public-key web-of-trust is essential reading for anyone confused by how public-key signatures work.
APPLIED CRYPTOGRAPHY was published in 1995 and some parts are already out of date. It is ironic that he hardly mentions PGP, when PGP went on to become the most renowned military-strength encryption program available to the public, although it is being superseded by GnuPG. Another anachronism is Schneier's assurance that quantum computing is decades away.Read more ›
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5.0 out of 5 starsThe most comprehensive text on computer-era cryptology.
By A Customer on December 12, 1996
Format: Paperback
Habitues of sci.crypt will be familiar with Bruce Schneier's
*Applied Cryptography*; if any of them have but one text on crypto
for reference, it will almost certainly be *Applied Cryptography*.
It is the de facto standard reference on modern cryptography as
well as serving as an excellent introduction to the subject.

The art is very old - Julius Caesar was the first recorded user of
cryptography for military purposes - and reached a watershed when
computers were put to work in order to break German and Japanese
ciphers. Indeed, that was the first *real* application of electronic
computers. A natural development was the use of computers for the
development of cryptographic systems.

That is where Bruce Schneier's remarkable book begins. It is notable
for two reasons: the breadth and depth of coverage, and the high
standard of technical communication.

As a reference its scope is encyclopaedic, providing descriptions
and assessments of just about every non-military crypto system
developed since computers were first applied to the purpose. There
are also military-cum-government algorithms amongst the collection,
some from the old Soviet Union and others from South Africa. It is
not just an A-Z procession of algorithms; the author progresses
in a logical manner through the many technical aspects of cryptography.

It is common to find that masters of mysterious technical arts are
poor communicators. Bruce Schneier demonstrates exceptional skill
as a technical communicator. Here is a book about an esoteric
subject - one built on a foundation of theoretical mathematics - that
ordinary folk can read.Read more ›
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5.0 out of 5 starsA must have for anyone involved with encryption & security
By Ben Rothke on November 26, 2000
Format: Hardcover
Applied Cryptography is quite simply the quintessential guidebook for information about cryptography. It also is one of the finest computer security books ever written. Bruce Schneier is a cryptologist who has a passion for cryptography, and it shows in his masterpiece. Instant classic is an often used oxymoron, yet that term is most appropriate to describe Applied Cryptography. If you have any interest with security and encryption, Applied Cryptography is clearly the definitive publication to reference and the most comprehensive text available about security and encryption. It might sound as if via my high praise for this book that I am getting some type of endorsement, that is not the case. It is just that Applied Cryptography is quite simply the most comprehensive, up-to-date work about cryptography.
The vast array of topics covered by the book is truly astounding in is depth and breadth. There is hardly a single cryptological concept, either minor or major, that the book does not cover. It is not possible to detail everything Applied Cryptography covers. But a few of the topics are: Foundations of cryptography, Protocols, Protocol Building Blocks, Key Lengths, key exchange, key management, Algorithms, the mathematical of cryptography, DES, RSA, One-Way Hash Functions, Symmetric vs. Public-Key cryptography, Public-Key Digital Signature Algorithms, Substitution Ciphers and Transposition Ciphers, Digital Signatures, Random and Pseudo-Random Sequence Generation, PGP, Authentication, Advanced security Protocols, Cryptographic Techniques, Identification Schemes, the politics of cryptography and much (much!) more.
Applied Cryptography also includes the source code for DES, IDEA, BLOWFISH, RC5 and other algorithms.Read more ›
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Most Recent Customer Reviews

5.0 out of 5 starsI enjoyed this reference book

I enjoyed this reference book. It's complex and abstract, and describes variations of encryption algorithms in text along with example implementations in C for the user to study... Read more

Published 1 month ago by Cory A. Schwartz
5.0 out of 5 starsA classic!

Great over-all coverage of methodology and uses for computer cryptography. Lots of examples. A classic! Read more

Published 3 months ago by S. Smith
5.0 out of 5 starsFive Stars

Excellent

Published 3 months ago by Oswaldo
5.0 out of 5 starsFive Stars

It's great!!!

Published 5 months ago by Amazon Customer
4.0 out of 5 starsGreat update to a modern classic

This is an update to a classic. I had used the original version for years and just plain wore the old one out. Read more

Published 7 months ago by Amazon Customer
5.0 out of 5 starsI bought this book because, with all the discussion ...

I bought this book because, with all the discussion in the news about Apple and IBM and the security of the iphone, I thought it was time I took a deep dive into understanding how... Read more

Published 10 months ago by Jeff Hexter
5.0 out of 5 starsA classic, really great book

Great Book, lives up to its reputation. I'm reading through the book linearly, it walks you through in a nice, easy manner and thoroughly covers each topic from basic terminology,... Read more

Published 10 months ago by Matthew
5.0 out of 5 starsMany people with a programming background may find this to be a better...

Bruce Schneier's book is a must have in cryptography. It is particularly interesting as he provides code for algorithms. Read more

Published 11 months ago by Cryptoguy
5.0 out of 5 starsFive Stars

If you don't love this book, then you don't understand this material.

Published 13 months ago by sipy
4.0 out of 5 starsGood resource, a bit outdated and incomplete

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... Read more

Published 13 months ago by MarbleTech

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