TY  - BOOK
AU  - Piper, Fred,
AU  - Murphy, Sean,
TI  - Cryptography: a very short introduction
SN  - 9780192803153
U1  - 652.8 PIP 
PY  - 2002///
CY  - New Delhi
PB  - Oxford University Press
KW  - Processes of written communication
KW  - Modern algorithms
KW  - Key management
KW  - Unbreakable ciphers
KW  - Historical algorithms
N1  - Includes bibliographical references and index
ER  -