TY  - BOOK
AU  - Stallings, William
TI  - Cryptography and network security : principles and practice
SN  - 9788177587746 
U1  - 001.64404 18th.
PY  - 2008///
CY  - New Delhi
PB  - Pearson Education
KW  - Cryptography
KW  - Computer  network security
N1  - library has 5th ed. 6th ed. and 8th ed. also
ER  -