The GNU Privacy Guard

[the GnuPG logo]


The GNU Privacy Guard (GnuPG) is a complete implementation of the OpenPGP Internet standard as described by RFC4880 (formerly RFC2440). It is used for digital encryption and signing of data and mainly useful for offline communication (email) and data storage. Version 2 also provides support for the S/MIME standard and includes an integrated implementation of the Secure Shell Agent.


Please visit the project pages to find out more about GnuPG. The current stable versions are 1.4.11 and 2.0.18.

Due to former U.S. export restrictions on cryptographic software, the program is not distributed via the standard GNU archives but from an European FTP site and its mirrors.


GnuPG is maintained by its principal author Werner Koch. The file AUTHORS in the distribution includes contact information.