TY  - BOOK
AU  - Stallings, William.
TI  - Cryptography and network security : principles and practices
SN  - 81-7758-774-9.
U1  - 005.82 
PY  - 2002///
CY  - Delhi:
PB  - Dorling Kindersley.
KW  - Cryptography
KW  - Data encryption (Computer science)
KW  - Data Security
N1  - Includes reference
ER  -