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Cryptography for Developers Paperback – Nov 1 2006

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Product Details

  • Paperback: 400 pages
  • Publisher: Syngress; 1 edition (Jan. 15 2007)
  • Language: English
  • ISBN-10: 1597491047
  • ISBN-13: 978-1597491044
  • Product Dimensions: 18 x 3.3 x 22.7 cm
  • Shipping Weight: 880 g
  • Average Customer Review: Be the first to review this item
  • Amazon Bestsellers Rank: #1,501,391 in Books (See Top 100 in Books)
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Product Description

About the Author

Tom St Denis is the author of the industry standard LibTom series of projects. Tom is a senior software developer and cryptographer for the Advanced Micro Devices Corporation. He has been engaged in various international development contracts and speaking engagements since 2004. He is at work on his next book, Cryptography for Developers.

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Most Helpful Customer Reviews on (beta) 4.3 out of 5 stars 6 reviews
11 of 11 people found the following review helpful
4.0 out of 5 stars Well written, targets the saavy developer Jan. 1 2007
By jose_monkey_org - Published on
Format: Paperback
A lot of people who have read "Applied Cryptography" by BRuce Schneier are themselves not cryptographers or developing cryptographic software. In fact, very few people actually develop cryptographic software because it's tough to get right and most crypto libraries provide everything you need. However, for those that wish to enter the field, it can be daunting to learn. If you'd like to be one of those few, Tom St Denis' "Cryptography for Developers" may be for you.

The book's writing is clear and focused, not surprising given that the author has written before. St Denis makes a good choice to focus on new material for this book, specifically pointing you at other books for a background in cryptography and "bignum" math (very, very large numbers, which require atypical methods to manipulate).

If you're a C code developer, you'll get the material very well. If you're C isn't very strong, or you need the code for another language, you'll probably have some difficulty in making use of it (depending on how skilled you are with C). However, the code is clear and well annotated, so you can make pretty good sense of it pretty quickly.

Chapter 2 starts off with a bang and covers ASN.1 encoding. This is not a very common topic, so this is one of the only places you may find this sort of thing covered well. Right away you can see what you're in for: very clear background info, good use of illustrations, well written code with lots of annotations, and very sharp focus.

Chapter 3 covers random numbers (specifically RNGs and PRNGs). While you'll want to complement this with something like the CRC Applied Crypto chapters on random numbers, you'll get a pretty good idea of how to gather and make use of random numbers. One probem I noticed here was that notes that Yarrow and Fortuna are RNGs but later (and, I believe, correctly) states that they are PRNG algorithms. Overall, though, a good treatment of the topic and a discussion of where to use random numbers, how to test them, the limits of the tests, and what pitfalls to watch out for.

Chapter 4 is really one of the meaty chapters and covers AES very in depth. Many of the concepts covered here are reused in other chapters, so make sure you get this one under your belt.

Chapters 5 and 6 cover hash functions and message authentication code algorithms, respectively. Again, great treatment of a limited subset of the algorithms out there and very good discussions about the myths, truths, and appropriate uses of the algorithms. Very good, useful insights all around.

Chapter 7 covers encryption and authentication modes, providing you with code that starts to really put it all together.

Chapter 8 covers large integer arithmatic, but also states that it's no replacement for St Denis' other book on BigNum math. Another very useful topic covered here somewhat looks at optimizations and how to make efficient code. Again, valuable insights that you can apple to other topics.

Chapter 9 covers public key algorithms, but sadly doesn't give much code. This is a disappointment and unexpected, given how much code is in the rest of the book. Perhaps it was a length consideration or by design, I don't know.

I'm not a cryptographer, so I can't attest to the veracity of the code. I didn't spot any obvious errors in the code design or use, however. Finally, this book wont replace Applied Crypto (either the Schneier or the CRC tomes), you'll want to use this book in tandem with those volumes. So few algorithms are covered that you'll really want to have studied those first before you can make full use of this volume.

Finally, one other thing that's missing is a unified set of links and references. He would have benefitted the reader had he done so, because so much material is covered and referenced.

St Denis has produced a clear, focused volume that's well organized. If you want to go from algorithm outlines to implementations, this is the book to work with. The quality of the writing and production is higher than many other Syngress books, and that's much appreciated.
2 of 5 people found the following review helpful
4.0 out of 5 stars Good Software Cryptography Book July 11 2007
By Dan McKinnon - Published on
Format: Paperback
With 'Cryptography for Developers' by Tom St Denis I am not even going to try and pretend that I am an expert in this field. Written with software developers in mind, this book is a complex look at how software cryptography algorithms are designed and developed. With 400 pages of material contained within and a solid look at the source content, this is a great book for a niche field/market. If you are interested in software cryptography or do it for a job, you will no doubt find this to be a fascinating read.

1 of 4 people found the following review helpful
5.0 out of 5 stars An excellent survey recommended for any college-level computer library. Feb. 3 2007
By Midwest Book Review - Published on
Format: Paperback
Cryptography for Developers deserves ongoing recommendation as a basic text - the only one written for software developers - probing the foundations of cryptography. Here are details covering message authentication codes, encryption models, public key cryptography, and more that discuss and provide examples of cryptographic goals and security measures. Any software developer serious about security must have this.
5.0 out of 5 stars This is a good book. I haven't got time to write a ... May 17 2016
By Daniel G. Robinson - Published on
Format: Paperback
I've used this book and the code at [...] to implement security for embedded platforms.

This is a good book. I haven't got time to write a comprehensive review of it, but suffice it to say that it saved me a lot of time in learning how to write crypto routines. You won't be a crypto researcher when you finish with this book, but you'll know how to implement the code.
0 of 2 people found the following review helpful
5.0 out of 5 stars learning the cryptography Jan. 21 2010
By Triolo Giuseppe - Published on
Format: Paperback Verified Purchase
This book is really good for who want to learn cryptography is ease to understand and there is the source code inside so you can understand how to implement it a crypto alghorithm i suggest this book for everyone want to lern how the crpto algo are working .