GNU privacy guard - public key material service

 GnuPG is GNU's tool for secure communication and data storage.
 It can be used to encrypt data and to create digital signatures.
 It includes an advanced key management facility and is compliant
 with the proposed OpenPGP Internet standard as described in RFC4880.
 .
 keyboxd is a server for managing public key material of OpenPGP and
 S/MIME.