TY  - BOOK
AU  - WILLIAM STALLLINGS
TI  - CRYPTOGRAPHY AND NETWORK SECURITY PRINCIPLES AND PRACTICE
SN  - 9789332585225
U1  - 005.8 Q7 STA 
PY  - 2017///
PB  - PEARSON EDUCATION
KW  - DATA SECURITY [ Ciphers,  Computer Viruses, Trojan Horses, Worms, Data Backup and Recovery, Computer Security, Network Security]
ER  -