TY  - BOOK
AU  - Forouzan, Behrouz A.
AU  - Mukhopadhyay, Debbeep
TI  - Cryptography and network security
SN  - 9789339220945
U1  -  005.82 
PY  - 2015///
CY  - New Delhi
PB  - McGraw Hill Education India
ER  -