Applied Cryptography: Protocols, Algorithms, and Source Code in C Free PDF

Applied Cryptography: Protocols, Algorithms, and Source Code in C [Hardcover]

Author: Bruce Schneier | Language: English | ISBN: 0471128457 | Format: PDF, EPUB

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Applied Cryptography: Protocols, Algorithms, and Source Code in C Free PDF
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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 . . . the definitive 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 Earth Catalog

This new edition of the cryptography classic provides you with a comprehensive survey of modern cryptography. The book details how programmers and electronic communications professionals can use cryptography-the technique of enciphering and deciphering messages-to maintain the privacy of computer data. It describes dozens of cryptography algorithms, gives practical advice on how to implement them into cryptographic software, and shows how they can be used to solve security problems. Covering the latest developments in practical cryptographic techniques, this new edition shows programmers who design computer applications, networks, and storage systems how they can build security into their software and systems.

What's new in the Second Edition?
* New information on the Clipper Chip, including ways to defeat the key escrow mechanism
* New encryption algorithms, including algorithms from the former Soviet 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 cryptographic implementations

Books with free ebook downloads available Applied Cryptography: Protocols, Algorithms, and Source Code in C [Hardcover] Free PDF

• Hardcover: 784 pages
• Publisher: Wiley; 2 edition (November 2, 1995)
• Language: English
• ISBN-10: 0471128457
• ISBN-13: 978-0471128458
• Product Dimensions: 9.2 x 7.5 x 1.7 inches
• Shipping Weight: 2.8 pounds

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.

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.

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