TY  - BOOK
AU  - Piper,F.C.
AU  - Murphy,Sean
TI  - Cryptography: a very short introduction 
T2  - Very short introductions
SN  - 0192803158
AV  - R AC 5 V573
U1  - 081 
PY  - 2002///
CY  - Oxford, New York
PB  - Oxford University Press
KW  - Cryptography
KW  - Criptografía
N1  - Ejemplar incompleto faltan pag. 1-22; Includes bibliographical references (p. 135-137) and index; Introduction -- Understanding cryptography -- Historical algorithms: simple examples -- Unbreakable ciphers? -- Modern algorithms -- Practical security -- Uses of cryptography -- Key management -- Cryptography in everyday life
UR  - http://www.loc.gov/catdir/enhancements/fy0614/2002510457-d.html
UR  - http://www.loc.gov/catdir/enhancements/fy0726/2002510457-b.html
ER  -