Pretty Good Privacy (PGP) is a cryptographic software suite used for encrypting, decrypting, signing and verifying texts, e-mails, files, directories, and whole disk partitions. Its primary aim is to increase the security of e-mail communications. It was created by Phil Zimmermann in 1991.
PGP follows the OpenPGP standard (RFC 4880) for encrypting and decrypting data.
GNU Privacy Guard (GnuPG or GPG) is a free software replacement for the PGP cryptographic software suite. It is also compliant with RFC 4880.
This category is for both OpenPGP and GnuPG/GPG.
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Front-ends or interfaces for the command-line version of PGP. Plug-ins to integrate various versions of PGP into e-mail clients.
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