Codes and Ciphers

Julius Caesar, the Enigma, and the Internet

R. F. Churchhouse (Cardiff University)

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Paperback

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English

Cambridge University Pres
08 April 2002

Mathematics & Sciences; Combinatorics & graph theory

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 most 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 and right up to the present day.

By: R. F. Churchhouse (Cardiff University)
Imprint: Cambridge University Pres
Country of Publication: United Kingdom
Dimensions: Height: 228mm, Width: 153mm, Spine: 17mm
Weight: 438g
ISBN: 9780521008907
ISBN 10: 0521008905
Pages: 252
Publication Date: 08 April 2002
Audience: General/trade , Professional and scholarly , College/higher education , ELT Advanced , Undergraduate
Format: Paperback
Publisher's Status: Active

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.

Robert Churchhouse is Emeritus Professor of Computing Mathematics at Cardiff University and has lectured widely on mathematics and cryptanalysis at more than 50 Universities and Institutes throughout the the world. He is also the co-author of books on computers in mathematics, computers in literary and linguistic research, and numerical analysis.

Reviews for Codes and Ciphers: Julius Caesar, the Enigma, and the Internet

'... written in a lively and amusing style but not at the expense of mathematical rigour.' European Mathematical Society '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