we now handle when the user doesn't give his OpenPGP passphrase and print an error message

src/common/connection.py

@@ -724,6 +724,10 @@ class Connection:
 		signed = ''
 		keyID = gajim.config.get_per('accounts', self.name, 'keyid')
 		if keyID and USE_GPG:
+			if self.connected < 2 and self.gpg.passphrase == None: # We didn't set a passphrase
+				self.dispatch('ERROR', (_('OpenPGP Key was not given'),
+					_('You will be connected to %s without OpenPGP.') % self.name))
+			else:
 				if not msg:
 					lowered_uf_status_msg = helpers.get_uf_show(show).lower()
 					msg = _("I'm %s") % lowered_uf_status_msg

src/roster_window.py

@@ -907,7 +907,7 @@ _('If "%s" accepts this request you will know his status.') %jid).get_response()
 							_('Save passphrase'))
 						passphrase, save = w.run()
 					if passphrase == -1:
-						passphrase = ''
+						passphrase = None
 					else:
 						self.gpg_passphrase[keyid] = passphrase
 						gobject.timeout_add(30000, self.forget_gpg_passphrase, keyid)