#~ gpg --keyserver subkeys.pgp.net --search-keys {ID | mail | user}   ###< scarica la chiave pubblica
#~ gpg -se -r {ID} prova.txt                                          ###< critta e firma



+-------------------------+
| Mia public key:         |
|                         |
| ID   : 0xc90a3577       |
| user : Pioz84           |
| mail : pioz84@gmail.com |
+-------------------------+