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Codes And Ciphers

Author: R. F. Churchhouse
Publisher: Cambridge University Press
ISBN: 9780521008907
Size: 14.51 MB
Format: PDF
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This book describes and analyses many cipher systems ranging from the earliest and most elementary to the most recent and sophisticated(RSA and DES).

Mathematical Ciphers

Author: Anne L. Young
Publisher: American Mathematical Soc.
ISBN: 0821837303
Size: 56.93 MB
Format: PDF, Kindle
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A cipher is a scheme for creating coded messages for the secure exchange of information. Throughout history, many different coding schemes have been devised. One of the oldest and simplest mathematical systems was used by Julius Caesar. This is where Mathematical Ciphers begins. Building on that simple system, Young moves on to more complicated schemes, ultimately ending with the RSA cipher, which is used to provide security for the Internet. This book is structured differently from most mathematics texts. It does not begin with a mathematical topic, but rather with a cipher. The mathematics is developed as it is needed; the applications motivate the mathematics. As is typical in mathematics textbooks, most chapters end with exercises. Many of these problems are similar to solved examples and are designed to assist the reader in mastering the basic material. A few of the exercises are one-of-a-kind, intended to challenge the interested reader. Implementing encryption schemes is considerably easier with the use of the computer. For all the ciphers introduced in this book, JavaScript programs are available from the Web. In addition to developing various encryption schemes, this book also introduces the reader to number theory. Here, the study of integers and their properties is placed in the exciting and modern context of cryptology. Mathematical Ciphers can be used as a textbook for an introductory course in mathematics for all majors. The only prerequisite is high school mathematics.

Cryptography Made Simple

Author: Nigel Smart
Publisher: Springer
ISBN: 3319219367
Size: 26.52 MB
Format: PDF, ePub
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In this introductory textbook the author explains the key topics in cryptography. He takes a modern approach, where defining what is meant by "secure" is as important as creating something that achieves that goal, and security definitions are central to the discussion throughout. The author balances a largely non-rigorous style — many proofs are sketched only — with appropriate formality and depth. For example, he uses the terminology of groups and finite fields so that the reader can understand both the latest academic research and "real-world" documents such as application programming interface descriptions and cryptographic standards. The text employs colour to distinguish between public and private information, and all chapters include summaries and suggestions for further reading. This is a suitable textbook for advanced undergraduate and graduate students in computer science, mathematics and engineering, and for self-study by professionals in information security. While the appendix summarizes most of the basic algebra and notation required, it is assumed that the reader has a basic knowledge of discrete mathematics, probability, and elementary calculus.

Cryptography

Author: Nigel Paul Smart
Publisher:
ISBN: 9780077099879
Size: 73.34 MB
Format: PDF, ePub, Mobi
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Nigel Smart's Cryptography provides the rigorous detail required for advanced cryptographic studies, yet approaches the subject matter in an accessible style in order to gently guide new students through difficult mathematical topics.

Weapons Warfare Warfare Culture And Concepts

Author: John Powell
Publisher: Salem PressInc
ISBN: 9781587655975
Size: 39.39 MB
Format: PDF, Kindle
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Presents information about weaponry, tactics, and modes of warfare worldwide, from ancient times to the present, and discusses the cultural, sociopolitical, and ethical aspects of weaponry and warfare.