TY  - BOOK
AU  - Garfinkel,Simson
TI  - PGP: pretty good privacy 
AV  - QA76.9 .A25G36 1995
U1  - 005.82 
PY  - 1995///
CY  - Canada
PB  - Sebastopol
KW  - Pgp
KW  - Computer file
KW  - Computers
KW  - Access control
ER  -