The code book :
Singh, Simon
The code book : the science of secrecy from ancient Egypt to quantum cryptography Simon Singh. - New York : Random House, ©1999. - xvii, 411 p. : ill., map, ports. ; 25 cm.
Includes index.
9780385495325
GB99-X7755
Ciphers.
Cryptography.
Cryptography--History.
Confidential communications.
Data encryption (Computer science)
Cryptography--History.
Ciphers--History.
Confidential communications.
Data encryption (Computer science)
652.8 / SIN-C
The code book : the science of secrecy from ancient Egypt to quantum cryptography Simon Singh. - New York : Random House, ©1999. - xvii, 411 p. : ill., map, ports. ; 25 cm.
Includes index.
9780385495325
GB99-X7755
Ciphers.
Cryptography.
Cryptography--History.
Confidential communications.
Data encryption (Computer science)
Cryptography--History.
Ciphers--History.
Confidential communications.
Data encryption (Computer science)
652.8 / SIN-C