TY  - BOOK
AU  - Stallings,William
TI  - Cryptography and network security: principles and practice 
SN  - 9789332518773
U1  - 005.82 21
PY  - 2014///
CY  - New Delhi
PB  - Pearson
KW  - Computer networks
KW  - Data encryption
N1  - Includes bibliographical references and index
ER  -