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Codes and ciphers : = Julius Caesar, the Enigma, and the internet /

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Codes and ciphers :/ R.F. Churchhouse.
其他題名:	Julius Caesar, the Enigma, and the internet /
其他題名:	Codes & Ciphers
作者:	Churchhouse, R. F.,
面頁冊數:	1 online resource (x, 240 pages) :digital, PDF file(s). :
附註:	Title from publisher's bibliographic system (viewed on 05 Oct 2015).
標題:	Cryptography. -
電子資源:	https://doi.org/10.1017/CBO9780511542978
ISBN:	9780511542978 (ebook)

Codes and ciphers : = Julius Caesar, the Enigma, and the internet /
Churchhouse, R. F.,

Codes and ciphers :Julius Caesar, the Enigma, and the internet /Codes & CiphersR.F. Churchhouse. - 1 online resource (x, 240 pages) :digital, PDF file(s).

Title from publisher's bibliographic system (viewed on 05 Oct 2015).

Introduction --1.

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.

ISBN: 9780511542978 (ebook)Subjects--Topical Terms:

567927
Cryptography.

LC Class. No.: Z103 / .C48 2002

Dewey Class. No.: 652/.8

Codes and ciphers : = Julius Caesar, the Enigma, and the internet /
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505 0 0 $g 1. $t Introduction -- $g 2. $t From Julius Caesar to simple substitution -- $g 3. $t Polyalphabetic systems -- $g 4. $t Jigsaw ciphers -- $g 5. $t Two-letter ciphers -- $g 6. $t Codes -- $g 7. $t Ciphers for spies -- $g 8. $t Producing random numbers and letters -- $g 9. $t The Enigma cipher machine -- $g 10. $t The Hagelin cipher machine -- $g 11. $t Beyond the Enigma -- $g 12. $t Public key cryptography -- $g 13. $t Encipherment and the internet.
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