TY  - BOOK
AU  - GUPTA, K. N. : AGRAWALA, K. N . : AGRAWALA, P. A. :
TI  - DIGITAL SIGNATURE : NETWORK SECURITY PRACTICES
SN  - 0008120325990
U1  - 005.8 
PB  - PRENTICE HALL INDIA
KW  - COMPUTER SECURITY : DATA SECURITY : INFORMATION SECURITY
ER  -