PGP Key Encryption Algorithm is provided by the PGP Desktop Trial software.

This software can perform the following fucntions pretty easily -

1. Whole data Encryption with PGP
2. Netsharing with PGP
3. Desktop emailing with PGP alogorithm.
4. Extra features this program offers in addition to ‘Pretty good Privacy’

Other things like -

PGP Zip, PGP Virtual Disk and instant messenger encryption are also offered by this software.