pgpgpg is a wrapper around Gnu Privacy Guard which takes PGP 2.6 command line options, translate them and then call GnuPG (Gnu Privacy Guard) to perform the desired action. PGP and GnuPG are encryption programs with high security encryption engines. However, PGP is available without a fee but is not really free software. GnuPG on the other hand is really free software and have additionally features but have a different command line syntax then PGP. The goal of pgpgpg is to plug in a command line syntax in front of GnuPG equal to PGP 2.6. With pgpgpg most scripts and applications written to use PGP 2.6 should normally work with GnuPG too. By using pgpgpg these applications also benefits from the fact that GnuPG doesn't use the patented and non free RSA nor IDE