TY  - BOOK
AU  - Singh, Brijendra.
TI  - Network security and management
SN  - 9788120344976
U1  - 005.8 SINB 
PY  - 2015///
CY  - New Delhi
PB  - PHI Learning private limited.
KW  - Cryptography-Data encryption(005.82)
ER  -