LEADER 03245nam  22006612  450 
001 9910450288903321
005 20151005020622.0
010   $a1-107-12517-0
010   $a1-283-33148-9
010   $a9786613331489
010   $a1-139-13407-8
010   $a1-139-13037-4
010   $a0-511-04218-3
010   $a0-511-15561-1
010   $a0-511-54297-6
010   $a0-511-04504-2
035   $a(CKB)1000000000001500
035   $a(EBL)202096
035   $a(OCoLC)437063379
035   $a(SSID)ssj0000124210
035   $a(PQKBManifestationID)11135914
035   $a(PQKBTitleCode)TC0000124210
035   $a(PQKBWorkID)10015360
035   $a(PQKB)10490637
035   $a(UkCbUP)CR9780511542978
035   $a(MiAaPQ)EBC202096
035   $a(Au-PeEL)EBL202096
035   $a(CaPaEBR)ebr10001842
035   $a(CaONFJC)MIL333148
035   $a(EXLCZ)991000000000001500
100   $a20090505d2002||||  uy|            0
101 0 $aeng
135   $aur|||||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aCodes and ciphers $eJulius Caesar, the Enigma, and the internet /$fR.F. Churchhouse$b[electronic resource]
210  1$aCambridge :$cCambridge University Press,$d2002.
215   $a1 online resource (x, 240 pages) $cdigital, PDF file(s)
300   $aTitle from publisher's bibliographic system (viewed on 05 Oct 2015).
311   $a0-521-00890-5 
311   $a0-521-81054-X 
320   $aIncludes bibliographical references and indexes.
327   $g1.$tIntroduction --$g2.$tFrom Julius Caesar to simple substitution --$g3.$tPolyalphabetic systems --$g4.$tJigsaw ciphers --$g5.$tTwo-letter ciphers --$g6.$tCodes --$g7.$tCiphers for spies --$g8.$tProducing random numbers and letters --$g9.$tThe Enigma cipher machine --$g10.$tThe Hagelin cipher machine --$g11.$tBeyond the Enigma --$g12.$tPublic key cryptography --$g13.$tEncipherment and the internet.
330   $aThe 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.
517 3 $aCodes & Ciphers
606   $aCryptography
606   $aCiphers
615  0$aCryptography.
615  0$aCiphers.
676   $a652/.8
700   $aChurchhouse$b R. F.$0850924
801  0$bUkCbUP
801  1$bUkCbUP
906   $aBOOK
912   $a9910450288903321
996   $aCodes and ciphers$91899915
997   $aUNINA