TY  - BOOK
AU  - Stallings,William
TI  - Cryptography and network security : principles and practice 
SN  - 9789332585225
PY  - 2019///
CY  - Chennai
PB  - Pearson
KW  - Computer networks
KW  - Security measures
KW  - Data encryption (Computer science)
KW  - Coding theory
KW  - Computer security
ER  -