TY  - BOOK
AU  - Stallings, William.
TI  - Cryptography and network security : principles and practice
SN  - 9788131761663
U1  - 001.64404  STA;90  R 
PY  - 2011///
CY  - Noida
PB  - Dorling Kindersley
KW  - Cryptography,network
ER  -