Codes and Ciphers
Subtitle: Julius Caesar, the Enigma, and the Internet
Publisher: Cambridge University Press
Published: December 24, 2001
Language: eng
Format: Paperback
Number of pages: 250
ISBN-13: 9780521008907
Subjects: Combinatorics & graph theory; Internet - General; Computers; Science; Computer Books: Word Processing; Business Writing; General; Business & Economics / Business Writing; Cryptography Cryptography; Mathematics / Probability; Mathematics-General; Science-General; Ciphers; Cryptography
First sentence: For at least two thousand years there have been people who wanted to send messages which could only be read by the people for whom they were intended.