File: gpgme.info, Node: OpenPGP, Next: Cryptographic Message Syntax, Prev: Engine Configuration, Up: Protocols and Engines 3.4 OpenPGP =========== OpenPGP is implemented by GnuPG, the GNU Privacy Guard. This is the first protocol that was supported by GPGME. The OpenPGP protocol is specified by ‘GPGME_PROTOCOL_OpenPGP’.