TY  - BOOK
AU  - STALLINGS WILLIAM 
TI  - CRYPTOGRAPHY AND NETWORK SECURITY: : PRINCIPLES AND PRACTICE: 
SN  - 9789332585225
U1  - 005.8 STA/C   
PY  - 2022///
CY  - UTTAR PRADESH
PB  - PEARSON PUBLICATIONS
ER  -