Codes and Ciphers
Julius Caesar, the Enigma, and the Internet
£41.99
- Author: R. F. Churchhouse, Cardiff University
- Date Published: December 2001
- availability: Available
- format: Paperback
- isbn: 9780521008907
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The design of code and cipher systems has undergone major changes in modern times. Powerful personal computers have resulted in an explosion of e-banking, e-commerce and e-mail, and as a consequence the encryption of communications to ensure security has become a matter of public interest and importance. This book describes and analyses many cipher systems ranging from the earliest and elementary to the more recent and sophisticated, such as RSA and DES, as well as wartime machines such as the ENIGMA and Hagelin, and ciphers used by spies. Security issues and possible methods of attack are discussed and illustrated by examples. The design of many systems involves advanced mathematical concepts and this is explained in detail in a major appendix. This book will appeal to anyone interested in codes and ciphers as used by private individuals, spies, governments and industry throughout history.
Read more- Well illustrated and includes interesting and entertaining historical digressions
- Author has given many popular lectures on this material
- Contains information on wartime cryptography that was classified up until a few years ago
Reviews & endorsements
'… written in a lively and amusing style but not at the expense of mathematical rigour.' European Mathematical Society
See more reviews'A fascinating account, which should appeal to a wide readership.' Mathematika
'… written in a lively and amusing style …' EMS Newsletter
'The mathematics is well within the grasp of a cultured A level mathematician and for those to whom the book is addressed, it can be recommended.' The Mathematical Gazette
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×Product details
- Date Published: December 2001
- format: Paperback
- isbn: 9780521008907
- length: 252 pages
- dimensions: 228 x 153 x 17 mm
- weight: 0.438kg
- availability: Available
Table of Contents
Preface
1. Introduction
2. From Julius Caesar to simple substitution
3. Polyalphabetic systems
4. Jigsaw ciphers
5. Two-letter ciphers
6. Codes
7. Ciphers for spies
8. Producing random numbers and letters
9. The Enigma cipher machine
10. The Hagelin cipher machine
11. Beyond the Enigma
12. Public key cryptography
13. Encipherment and the internet
Appendix
Solutions to problems
References
Name index
Subject index.
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