Fix bugs in scrypt params handling

src/sakia/gui/dialogs/connection_cfg/model.py

@@ -36,9 +36,9 @@ class ConnectionConfigModel(QObject):
 
     def set_scrypt_infos(self, salt, password, scrypt_params):
         self.connection.salt = salt
-        self.connection.N = scrypt_params.N
-        self.connection.r = scrypt_params.r
-        self.connection.p = scrypt_params.p
+        self.connection.scrypt_N = scrypt_params.N
+        self.connection.scrypt_r = scrypt_params.r
+        self.connection.scrypt_p = scrypt_params.p
         self.connection.password = password
         self.connection.pubkey = SigningKey(self.connection.salt, password, scrypt_params).pubkey
 

src/sakia/gui/dialogs/connection_cfg/view.py

@@ -47,9 +47,15 @@ class ConnectionConfigView(QDialog, Ui_ConnectionConfigurationDialog):
             (2 ** 16, 32, 4),
             (2 ** 18, 64, 8),
         ]
+        self.spin_n.blockSignals(True)
+        self.spin_r.blockSignals(True)
+        self.spin_p.blockSignals(True)
         self.spin_n.setValue(strengths[index][0])
         self.spin_r.setValue(strengths[index][1])
         self.spin_p.setValue(strengths[index][2])
+        self.spin_n.blockSignals(False)
+        self.spin_r.blockSignals(False)
+        self.spin_p.blockSignals(False)
 
     def handle_n_change(self, value):
         spinbox = self.sender()