TY  - BOOK
AU  - Stallings, William
TI  - Cryptography and network security: : principles and practice
SN  - 9789332518773
U1  - 004.6 
PY  - 2015///
CY  - New Delhi
PB  - Pearson Education
KW  - Computer networks-Security measures
KW  - Data encryption (Computer sciences)
KW  - Coding theory
ER  -