TY  - BOOK
AU  - Forouzan, Behrouz A
AU  - Mukhopadhyay, Debdeep
TI  - Cryptography and network security
SN  - 978-0-07-070208-0
U1  - 005.82 FOR 23rd ed.
PY  - 2010///
CY  - New Delhi
PB  - Tata Mcgraw hill 
KW  - 1.Computer security 2.Computer-access control
ER  -