Binary package “seahorse” in ubuntu trusty

GNOME front end for GnuPG

 Seahorse is a front end for GnuPG - the GNU Privacy Guard program -
 that integrates to the GNOME desktop. It is a tool for secure
 communications and data storage. Data encryption and digital signature
 creation can easily be performed through a GUI and Key Management
 operations can easily be carried out through an intuitive interface.