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(5 reviews)
Author: Alan G. Konheim
ISBN : 0471081329
New from $80.54
Format: PDF
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CrypTography: a Primer Alan G. Konheim Here’s the first systematic, unclassified treatment of the theory and practice of encipherment—an essential tool for protecting the contents of computer data. Cryptography: a Primer develops the principles of encryption and reviews many of the classical systems. This helpful book shows you how to apply these systems to your individual data processing requirements. A uniquely practical reference and a step-by-step approach for the student.
Download latest books on mediafire and other links compilation Free Cryptography: A Primer [Hardcover]
- Hardcover: 448 pages
- Publisher: Wiley; 1 edition (May 6, 1981)
- Language: English
- ISBN-10: 0471081329
- ISBN-13: 978-0471081326
- Product Dimensions: 9.3 x 6.4 x 1.1 inches
- Shipping Weight: 1.8 pounds
Free Cryptography: A Primer
Konheim tried in 1981 to do what Helen Gaines tried to do in 1939; to provide a basic working knowledge of the state of the art in cryptology to people with little or no previous knowledge. By and large, Konheim succeeded admirably. He had to overcome two major hurdles. By 1981 the amount known in the public domain about cryptology was very large: too large for a modest-sized book like this. And the basis of the topic had become largely mathematical, which is a put-off for many readers. Konheim copes beautifully with both problems, selecting important material and skipping less important material, and limiting the mathematics to what can almost all be followed by a high-school science honors student (although it helps to have at least three years of college math.) I would love to use this book as the text for a one semester course.Having said that, I'll offer a few minor criticisms. The whole art of cryptology (as distinct from the mathematics) lies in dealing with the fallibility of people who design and use (or don't use) crypto systems. Konheim doesn't emphasize this enough. For example, cypher-text-only cryptanalysis of a good modern cypher is apt to be extremely hard, but it is often unnecessary. Konheim does not discuss the enormous diversity of ways in which the cryptanalyst may hope to acquire plaintext or probable plaintext. Professional designers of ciphers and codes know all about this, and their choices are heavily influenced by the need to limit damage when, for example, a general sends a back-channel message in a weak cipher that has the same content as an official message in a strong cipher.
He also fails to discuss in detail just how hard it is for the designer of a cipher to create a cipher as strong as the designer believes it to be.