TY  - BOOK
AU  - Kahate, Atul 
TI  - Cryptography and network security 
SN  - 0-07-049483-5 
U1  - 004.6 KAH  
PY  - 2004///
CY  - Tata mcgraw hill 
PB  - New Delhi 
KW  - COMPUTER NETWORK
ER  -