TY  - BOOK
AU  - Gupta,Sunil
TI  - Digital security: concepts and cases 
SN  - 8178811790
AV  - TK5105.875 .I57 2003
U1  - 005.8 
PY  - 2003///
CY  - Hyderabad
PB  - ICFAI University
KW  - Internet
KW  - Security measures. Computer security. Electronic mail messages
KW  - Security measures. Data encryption (Computer science)
ER  -