TY  - BOOK
AU  - Stallings, William
TI  - Cryptography and network security: Principles and practice
SN  - 978-93-325-8522-5
U1  - 005.82 
PY  - 2017///
PB  - Pearson Education
KW  - COMPUTER
N1  - 16-Nov-2017; 5416
ER  -