Add send mail function and its settings.

11 files changed, 854 insertions, 583 deletions

diff --git a/include/ui/QuitDialog.h b/include/ui/QuitDialog.h
index 8d69cfd2..19af7534 100755
--- a/include/ui/QuitDialog.h
+++ b/include/ui/QuitDialog.h
@@ -1,22 +1,25 @@
-/*
- *      keymgmt.h
+/**
+ * This file is part of GPGFrontend.
  *
- *      Copyright 2008 gpg4usb-team <[email protected]>
+ * GPGFrontend is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
  *
- *      This file is part of gpg4usb.
+ * Foobar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
  *
- *      Gpg4usb is free software: you can redistribute it and/or modify
- *      it under the terms of the GNU General Public License as published by
- *      the Free Software Foundation, either version 3 of the License, or
- *      (at your option) any later version.
+ * You should have received a copy of the GNU General Public License
+ * along with Foobar.  If not, see <https://www.gnu.org/licenses/>.
  *
- *      Gpg4usb is distributed in the hope that it will be useful,
- *      but WITHOUT ANY WARRANTY; without even the implied warranty of
- *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *      GNU General Public License for more details.
+ * The initial version of the source code is inherited from gpg4usb-team.
+ * Their source code version also complies with GNU General Public License.
+ *
+ * The source code version of this software was modified and released
+ * by Saturneric<[email protected]> starting on May 12, 2021.
  *
- *      You should have received a copy of the GNU General Public License
- *      along with gpg4usb.  If not, see <http://www.gnu.org/licenses/>
  */
 
 #ifndef __QUITDIALOG_H__
@@ -30,7 +33,7 @@ Q_OBJECT
 public:
     QuitDialog(QWidget *parent, const QHash<int, QString>& unsavedDocs);
 
-    bool isDiscarded() const;
+    [[nodiscard]] bool isDiscarded() const;
 
     QList<int> getTabIdsToSave();
 
diff --git a/include/ui/SendMailDialog.h b/include/ui/SendMailDialog.h
new file mode 100644
index 00000000..bf388b33
--- /dev/null
+++ b/include/ui/SendMailDialog.h
@@ -0,0 +1,58 @@
+/**
+ * This file is part of GPGFrontend.
+ *
+ * GPGFrontend is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Foobar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Foobar.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The initial version of the source code is inherited from gpg4usb-team.
+ * Their source code version also complies with GNU General Public License.
+ *
+ * The source code version of this software was modified and released
+ * by Saturneric<[email protected]> starting on May 12, 2021.
+ *
+ */
+
+#ifndef GPGFRONTEND_SENDMAILDIALOG_H
+#define GPGFRONTEND_SENDMAILDIALOG_H
+
+#include "GpgFrontend.h"
+
+class SendMailDialog : public QDialog {
+Q_OBJECT
+public:
+    explicit SendMailDialog(QWidget *parent = nullptr);
+
+private slots:
+
+    void slotConfirm();
+
+private:
+
+    QString appPath;
+    QSettings settings;
+
+    QLineEdit *senderEdit;
+    QLineEdit *recipientEdit;
+    QLineEdit *subjectEdit;
+    QPushButton *confirmButton;
+
+    QString smtpAddress = settings.value("sendMail/smtpAddress", QString()).toString();
+    QString username = settings.value("sendMail/username", QString()).toString();
+    QString password = settings.value("sendMail/password", QString()).toString();
+    QString defaultSender = settings.value("sendMail/defaultSender", QString()).toString();
+    QString connectionTypeSettings = settings.value("sendMail/connectionType", QString()).toString();
+    int port = settings.value("sendMail/port", QString()).toInt();
+};
+
+
+#endif //GPGFRONTEND_SENDMAILDIALOG_H
diff --git a/include/ui/SettingsDialog.h b/include/ui/SettingsDialog.h
index 39bd917f..133a8ec7 100755
--- a/include/ui/SettingsDialog.h
+++ b/include/ui/SettingsDialog.h
@@ -66,24 +66,37 @@ signals:
 
 };
 
-class MimeTab : public QWidget {
+class SendMailTab : public QWidget {
 Q_OBJECT
 
 public:
-    explicit MimeTab(QWidget *parent = nullptr);
+    explicit SendMailTab(QWidget *parent = nullptr);
 
     void setSettings();
 
     void applySettings();
 
+private slots:
+
+    void slotCheckConnection();
+
+    void slotCheckBoxSetEnableDisable(int state);
+
 private:
 
     QString appPath;
     QSettings settings;
 
-    QCheckBox *mimeParseCheckBox;
-    QCheckBox *mimeQPCheckBox;
-    QCheckBox *mimeOpenAttachmentCheckBox;
+    QCheckBox *enableCheckBox;
+
+    QLineEdit *smtpAddress;
+    QLineEdit *username;
+    QLineEdit *password;
+    QSpinBox *portSpin;
+    QComboBox *connectionTypeComboBox;
+    QLineEdit *defaultSender;
+
+    QPushButton *checkConnectionButton;
 
 signals:
 
@@ -209,7 +222,7 @@ public:
     explicit SettingsDialog(GpgME::GpgContext *ctx, QWidget *parent = nullptr);
 
     GeneralTab *generalTab;
-    MimeTab *mimeTab;
+    SendMailTab *sendMailTab;
     AppearanceTab *appearanceTab;
     KeyserverTab *keyserverTab;
     AdvancedTab *advancedTab;
diff --git a/resource/ts/gpg_frontend_fr.ts b/resource/ts/gpg_frontend_fr.ts
index 8d5027fb..84a1e02f 100644
--- a/resource/ts/gpg_frontend_fr.ts
+++ b/resource/ts/gpg_frontend_fr.ts
@@ -1956,235 +1956,235 @@ This is NOT your Public Key, so DON&apos;T give it away.&lt;br /&gt;Do you REALL
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="37"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="103"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="272"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="498"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="675"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="858"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="38"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="111"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="280"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="506"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="683"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="866"/>
         <source>No Key Selected</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="44"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="110"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="505"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="682"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="45"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="118"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="513"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="690"/>
         <source>Invalid Operation</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="45"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="506"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="683"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="46"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="514"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="691"/>
         <source>The selected key contains a key that does not actually have a encrypt usage.&lt;br/&gt;</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="46"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="112"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="286"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="507"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="684"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="872"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="47"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="120"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="294"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="515"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="692"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="880"/>
         <source>&lt;br/&gt;For example the Following Key: &lt;br/&gt;</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="64"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="527"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="65"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="535"/>
         <source>Encrypting</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="111"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="119"/>
         <source>The selected key contains a key that does not actually have a signature usage.&lt;br/&gt;</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="128"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="704"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="136"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="712"/>
         <source>Signing</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="172"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="180"/>
         <source>Decrypting</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="232"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="789"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="240"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="797"/>
         <source>Verifying</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="284"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="870"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="292"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="878"/>
         <source>Invalid KeyPair</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="285"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="871"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="293"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="879"/>
         <source>The selected keypair cannot be used for signing and encryption at the same time.&lt;br/&gt;</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="296"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="303"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="882"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="889"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="304"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="311"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="890"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="897"/>
         <source>Incomplete Operation</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="297"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="883"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="305"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="891"/>
         <source>None of the selected key pairs can provide the encryption function.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="304"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="890"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="312"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="898"/>
         <source>None of the selected key pairs can provide the signature function.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="321"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="909"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="329"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="917"/>
         <source>Encrypting and Signing</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="374"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="987"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="382"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="995"/>
         <source>Decrypting and Verifying</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="472"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="476"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="480"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="550"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="563"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="567"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="484"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="488"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="558"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="571"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="632"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="648"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="652"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="575"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="579"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="640"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="656"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="730"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="762"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="767"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="771"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="819"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="832"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="836"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="660"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="664"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="738"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="770"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="775"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="779"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="827"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="840"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="937"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="949"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="953"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="844"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="848"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="945"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="957"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1019"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="961"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="965"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1027"/>
         <source>Error</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="472"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="563"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="648"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="832"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="480"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="571"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="656"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="840"/>
         <source>Select a file before doing it.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="476"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="567"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="652"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="836"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="953"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="484"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="575"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="660"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="844"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="961"/>
         <source>No permission to read this file.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="480"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="571"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="656"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="840"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="957"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="488"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="579"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="664"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="848"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="965"/>
         <source>No permission to create file.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="485"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="586"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="662"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="845"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="493"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="594"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="670"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="853"/>
         <source>Warning</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="486"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="587"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="663"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="846"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="494"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="595"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="671"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="854"/>
         <source>The target file already exists, do you need to overwrite it?</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="550"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="632"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="730"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="819"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="937"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1019"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="558"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="640"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="738"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="827"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="945"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1027"/>
         <source>An error occurred during operation.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="763"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="771"/>
         <source>Please select the appropriate target file or signature file. Ensure that both are in this directory.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="767"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="775"/>
         <source>No permission to read target file.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="771"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="779"/>
         <source>No permission to read signature file.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="949"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="957"/>
         <source>Select a file(.gpg/.asc) before doing it.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1055"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1063"/>
         <source>Outdated Version</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1056"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1064"/>
         <source>This version(%1) is out of date, please update the latest version in time. </source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1058"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1065"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1066"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1073"/>
         <source>You can download the latest version(%1) on Github Releases Page.&lt;br/&gt;</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1062"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1070"/>
         <source>Unreleased Version</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1063"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1071"/>
         <source>This version(%1) has not been officially released and is not recommended for use in a production environment. &lt;br/&gt;</source>
         <translation type="unfinished"></translation>
     </message>
diff --git a/resource/ts/gpg_frontend_ru.ts b/resource/ts/gpg_frontend_ru.ts
index f3dc9093..4b574a84 100644
--- a/resource/ts/gpg_frontend_ru.ts
+++ b/resource/ts/gpg_frontend_ru.ts
@@ -1956,235 +1956,235 @@ This is NOT your Public Key, so DON&apos;T give it away.&lt;br /&gt;Do you REALL
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="37"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="103"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="272"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="498"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="675"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="858"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="38"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="111"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="280"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="506"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="683"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="866"/>
         <source>No Key Selected</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="44"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="110"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="505"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="682"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="45"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="118"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="513"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="690"/>
         <source>Invalid Operation</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="45"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="506"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="683"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="46"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="514"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="691"/>
         <source>The selected key contains a key that does not actually have a encrypt usage.&lt;br/&gt;</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="46"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="112"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="286"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="507"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="684"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="872"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="47"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="120"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="294"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="515"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="692"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="880"/>
         <source>&lt;br/&gt;For example the Following Key: &lt;br/&gt;</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="64"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="527"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="65"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="535"/>
         <source>Encrypting</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="111"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="119"/>
         <source>The selected key contains a key that does not actually have a signature usage.&lt;br/&gt;</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="128"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="704"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="136"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="712"/>
         <source>Signing</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="172"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="180"/>
         <source>Decrypting</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="232"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="789"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="240"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="797"/>
         <source>Verifying</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="284"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="870"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="292"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="878"/>
         <source>Invalid KeyPair</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="285"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="871"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="293"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="879"/>
         <source>The selected keypair cannot be used for signing and encryption at the same time.&lt;br/&gt;</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="296"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="303"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="882"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="889"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="304"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="311"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="890"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="897"/>
         <source>Incomplete Operation</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="297"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="883"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="305"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="891"/>
         <source>None of the selected key pairs can provide the encryption function.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="304"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="890"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="312"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="898"/>
         <source>None of the selected key pairs can provide the signature function.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="321"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="909"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="329"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="917"/>
         <source>Encrypting and Signing</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="374"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="987"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="382"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="995"/>
         <source>Decrypting and Verifying</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="472"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="476"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="480"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="550"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="563"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="567"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="484"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="488"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="558"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="571"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="632"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="648"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="652"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="575"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="579"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="640"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="656"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="730"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="762"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="767"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="771"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="819"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="832"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="836"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="660"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="664"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="738"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="770"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="775"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="779"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="827"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="840"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="937"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="949"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="953"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="844"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="848"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="945"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="957"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1019"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="961"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="965"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1027"/>
         <source>Error</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="472"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="563"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="648"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="832"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="480"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="571"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="656"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="840"/>
         <source>Select a file before doing it.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="476"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="567"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="652"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="836"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="953"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="484"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="575"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="660"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="844"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="961"/>
         <source>No permission to read this file.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="480"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="571"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="656"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="840"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="957"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="488"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="579"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="664"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="848"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="965"/>
         <source>No permission to create file.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="485"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="586"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="662"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="845"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="493"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="594"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="670"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="853"/>
         <source>Warning</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="486"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="587"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="663"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="846"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="494"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="595"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="671"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="854"/>
         <source>The target file already exists, do you need to overwrite it?</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="550"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="632"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="730"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="819"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="937"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1019"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="558"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="640"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="738"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="827"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="945"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1027"/>
         <source>An error occurred during operation.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="763"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="771"/>
         <source>Please select the appropriate target file or signature file. Ensure that both are in this directory.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="767"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="775"/>
         <source>No permission to read target file.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="771"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="779"/>
         <source>No permission to read signature file.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="949"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="957"/>
         <source>Select a file(.gpg/.asc) before doing it.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1055"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1063"/>
         <source>Outdated Version</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1056"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1064"/>
         <source>This version(%1) is out of date, please update the latest version in time. </source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1058"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1065"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1066"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1073"/>
         <source>You can download the latest version(%1) on Github Releases Page.&lt;br/&gt;</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1062"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1070"/>
         <source>Unreleased Version</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1063"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1071"/>
         <source>This version(%1) has not been officially released and is not recommended for use in a production environment. &lt;br/&gt;</source>
         <translation type="unfinished"></translation>
     </message>
diff --git a/resource/ts/gpgfrontend_en_us.ts b/resource/ts/gpgfrontend_en_us.ts
index 03dc57e3..582f3838 100644
--- a/resource/ts/gpgfrontend_en_us.ts
+++ b/resource/ts/gpgfrontend_en_us.ts
@@ -1956,235 +1956,235 @@ This is NOT your Public Key, so DON&apos;T give it away.&lt;br /&gt;Do you REALL
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="37"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="103"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="272"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="498"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="675"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="858"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="38"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="111"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="280"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="506"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="683"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="866"/>
         <source>No Key Selected</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="44"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="110"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="505"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="682"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="45"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="118"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="513"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="690"/>
         <source>Invalid Operation</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="45"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="506"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="683"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="46"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="514"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="691"/>
         <source>The selected key contains a key that does not actually have a encrypt usage.&lt;br/&gt;</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="46"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="112"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="286"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="507"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="684"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="872"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="47"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="120"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="294"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="515"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="692"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="880"/>
         <source>&lt;br/&gt;For example the Following Key: &lt;br/&gt;</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="64"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="527"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="65"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="535"/>
         <source>Encrypting</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="111"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="119"/>
         <source>The selected key contains a key that does not actually have a signature usage.&lt;br/&gt;</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="128"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="704"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="136"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="712"/>
         <source>Signing</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="172"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="180"/>
         <source>Decrypting</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="232"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="789"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="240"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="797"/>
         <source>Verifying</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="284"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="870"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="292"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="878"/>
         <source>Invalid KeyPair</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="285"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="871"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="293"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="879"/>
         <source>The selected keypair cannot be used for signing and encryption at the same time.&lt;br/&gt;</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="296"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="303"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="882"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="889"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="304"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="311"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="890"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="897"/>
         <source>Incomplete Operation</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="297"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="883"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="305"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="891"/>
         <source>None of the selected key pairs can provide the encryption function.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="304"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="890"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="312"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="898"/>
         <source>None of the selected key pairs can provide the signature function.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="321"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="909"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="329"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="917"/>
         <source>Encrypting and Signing</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="374"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="987"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="382"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="995"/>
         <source>Decrypting and Verifying</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="472"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="476"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="480"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="550"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="563"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="567"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="484"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="488"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="558"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="571"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="632"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="648"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="652"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="575"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="579"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="640"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="656"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="730"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="762"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="767"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="771"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="819"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="832"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="836"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="660"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="664"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="738"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="770"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="775"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="779"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="827"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="840"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="937"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="949"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="953"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="844"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="848"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="945"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="957"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1019"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="961"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="965"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1027"/>
         <source>Error</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="472"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="563"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="648"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="832"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="480"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="571"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="656"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="840"/>
         <source>Select a file before doing it.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="476"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="567"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="652"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="836"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="953"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="484"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="575"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="660"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="844"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="961"/>
         <source>No permission to read this file.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="480"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="571"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="656"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="840"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="957"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="488"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="579"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="664"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="848"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="965"/>
         <source>No permission to create file.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="485"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="586"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="662"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="845"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="493"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="594"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="670"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="853"/>
         <source>Warning</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="486"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="587"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="663"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="846"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="494"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="595"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="671"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="854"/>
         <source>The target file already exists, do you need to overwrite it?</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="550"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="632"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="730"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="819"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="937"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1019"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="558"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="640"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="738"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="827"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="945"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1027"/>
         <source>An error occurred during operation.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="763"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="771"/>
         <source>Please select the appropriate target file or signature file. Ensure that both are in this directory.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="767"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="775"/>
         <source>No permission to read target file.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="771"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="779"/>
         <source>No permission to read signature file.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="949"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="957"/>
         <source>Select a file(.gpg/.asc) before doing it.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1055"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1063"/>
         <source>Outdated Version</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1056"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1064"/>
         <source>This version(%1) is out of date, please update the latest version in time. </source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1058"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1065"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1066"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1073"/>
         <source>You can download the latest version(%1) on Github Releases Page.&lt;br/&gt;</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1062"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1070"/>
         <source>Unreleased Version</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1063"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1071"/>
         <source>This version(%1) has not been officially released and is not recommended for use in a production environment. &lt;br/&gt;</source>
         <translation type="unfinished"></translation>
     </message>
diff --git a/resource/ts/gpgfrontend_zh_chs.ts b/resource/ts/gpgfrontend_zh_chs.ts
index d4e036b2..48a1d415 100644
--- a/resource/ts/gpgfrontend_zh_chs.ts
+++ b/resource/ts/gpgfrontend_zh_chs.ts
@@ -1956,235 +1956,235 @@ This is NOT your Public Key, so DON&apos;T give it away.&lt;br /&gt;Do you REALL
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="37"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="103"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="272"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="498"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="675"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="858"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="38"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="111"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="280"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="506"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="683"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="866"/>
         <source>No Key Selected</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="44"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="110"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="505"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="682"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="45"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="118"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="513"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="690"/>
         <source>Invalid Operation</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="45"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="506"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="683"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="46"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="514"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="691"/>
         <source>The selected key contains a key that does not actually have a encrypt usage.&lt;br/&gt;</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="46"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="112"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="286"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="507"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="684"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="872"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="47"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="120"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="294"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="515"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="692"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="880"/>
         <source>&lt;br/&gt;For example the Following Key: &lt;br/&gt;</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="64"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="527"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="65"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="535"/>
         <source>Encrypting</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="111"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="119"/>
         <source>The selected key contains a key that does not actually have a signature usage.&lt;br/&gt;</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="128"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="704"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="136"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="712"/>
         <source>Signing</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="172"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="180"/>
         <source>Decrypting</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="232"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="789"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="240"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="797"/>
         <source>Verifying</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="284"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="870"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="292"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="878"/>
         <source>Invalid KeyPair</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="285"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="871"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="293"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="879"/>
         <source>The selected keypair cannot be used for signing and encryption at the same time.&lt;br/&gt;</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="296"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="303"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="882"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="889"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="304"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="311"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="890"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="897"/>
         <source>Incomplete Operation</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="297"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="883"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="305"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="891"/>
         <source>None of the selected key pairs can provide the encryption function.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="304"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="890"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="312"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="898"/>
         <source>None of the selected key pairs can provide the signature function.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="321"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="909"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="329"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="917"/>
         <source>Encrypting and Signing</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="374"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="987"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="382"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="995"/>
         <source>Decrypting and Verifying</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="472"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="476"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="480"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="550"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="563"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="567"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="484"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="488"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="558"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="571"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="632"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="648"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="652"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="575"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="579"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="640"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="656"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="730"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="762"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="767"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="771"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="819"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="832"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="836"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="660"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="664"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="738"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="770"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="775"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="779"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="827"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="840"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="937"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="949"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="953"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="844"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="848"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="945"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="957"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1019"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="961"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="965"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1027"/>
         <source>Error</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="472"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="563"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="648"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="832"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="480"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="571"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="656"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="840"/>
         <source>Select a file before doing it.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="476"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="567"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="652"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="836"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="953"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="484"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="575"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="660"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="844"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="961"/>
         <source>No permission to read this file.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="480"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="571"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="656"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="840"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="957"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="488"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="579"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="664"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="848"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="965"/>
         <source>No permission to create file.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="485"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="586"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="662"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="845"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="493"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="594"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="670"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="853"/>
         <source>Warning</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="486"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="587"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="663"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="846"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="494"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="595"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="671"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="854"/>
         <source>The target file already exists, do you need to overwrite it?</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="550"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="632"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="730"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="819"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="937"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1019"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="558"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="640"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="738"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="827"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="945"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1027"/>
         <source>An error occurred during operation.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="763"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="771"/>
         <source>Please select the appropriate target file or signature file. Ensure that both are in this directory.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="767"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="775"/>
         <source>No permission to read target file.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="771"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="779"/>
         <source>No permission to read signature file.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="949"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="957"/>
         <source>Select a file(.gpg/.asc) before doing it.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1055"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1063"/>
         <source>Outdated Version</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1056"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1064"/>
         <source>This version(%1) is out of date, please update the latest version in time. </source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1058"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1065"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1066"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1073"/>
         <source>You can download the latest version(%1) on Github Releases Page.&lt;br/&gt;</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1062"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1070"/>
         <source>Unreleased Version</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1063"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1071"/>
         <source>This version(%1) has not been officially released and is not recommended for use in a production environment. &lt;br/&gt;</source>
         <translation type="unfinished"></translation>
     </message>
diff --git a/resource/ts/gpgfrontend_zh_cht.ts b/resource/ts/gpgfrontend_zh_cht.ts
index d4e036b2..48a1d415 100644
--- a/resource/ts/gpgfrontend_zh_cht.ts
+++ b/resource/ts/gpgfrontend_zh_cht.ts
@@ -1956,235 +1956,235 @@ This is NOT your Public Key, so DON&apos;T give it away.&lt;br /&gt;Do you REALL
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="37"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="103"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="272"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="498"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="675"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="858"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="38"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="111"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="280"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="506"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="683"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="866"/>
         <source>No Key Selected</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="44"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="110"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="505"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="682"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="45"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="118"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="513"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="690"/>
         <source>Invalid Operation</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="45"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="506"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="683"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="46"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="514"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="691"/>
         <source>The selected key contains a key that does not actually have a encrypt usage.&lt;br/&gt;</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="46"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="112"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="286"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="507"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="684"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="872"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="47"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="120"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="294"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="515"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="692"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="880"/>
         <source>&lt;br/&gt;For example the Following Key: &lt;br/&gt;</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="64"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="527"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="65"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="535"/>
         <source>Encrypting</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="111"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="119"/>
         <source>The selected key contains a key that does not actually have a signature usage.&lt;br/&gt;</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="128"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="704"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="136"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="712"/>
         <source>Signing</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="172"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="180"/>
         <source>Decrypting</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="232"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="789"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="240"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="797"/>
         <source>Verifying</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="284"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="870"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="292"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="878"/>
         <source>Invalid KeyPair</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="285"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="871"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="293"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="879"/>
         <source>The selected keypair cannot be used for signing and encryption at the same time.&lt;br/&gt;</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="296"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="303"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="882"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="889"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="304"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="311"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="890"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="897"/>
         <source>Incomplete Operation</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="297"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="883"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="305"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="891"/>
         <source>None of the selected key pairs can provide the encryption function.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="304"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="890"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="312"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="898"/>
         <source>None of the selected key pairs can provide the signature function.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="321"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="909"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="329"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="917"/>
         <source>Encrypting and Signing</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="374"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="987"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="382"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="995"/>
         <source>Decrypting and Verifying</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="472"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="476"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="480"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="550"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="563"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="567"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="484"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="488"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="558"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="571"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="632"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="648"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="652"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="575"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="579"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="640"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="656"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="730"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="762"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="767"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="771"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="819"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="832"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="836"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="660"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="664"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="738"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="770"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="775"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="779"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="827"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="840"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="937"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="949"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="953"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="844"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="848"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="945"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="957"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1019"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="961"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="965"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1027"/>
         <source>Error</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="472"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="563"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="648"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="832"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="480"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="571"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="656"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="840"/>
         <source>Select a file before doing it.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="476"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="567"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="652"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="836"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="953"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="484"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="575"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="660"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="844"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="961"/>
         <source>No permission to read this file.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="480"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="571"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="656"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="840"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="957"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="488"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="579"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="664"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="848"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="965"/>
         <source>No permission to create file.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="485"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="586"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="662"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="845"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="493"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="594"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="670"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="853"/>
         <source>Warning</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="486"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="587"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="663"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="846"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="494"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="595"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="671"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="854"/>
         <source>The target file already exists, do you need to overwrite it?</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="550"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="632"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="730"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="819"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="937"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1019"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="558"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="640"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="738"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="827"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="945"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1027"/>
         <source>An error occurred during operation.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="763"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="771"/>
         <source>Please select the appropriate target file or signature file. Ensure that both are in this directory.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="767"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="775"/>
         <source>No permission to read target file.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="771"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="779"/>
         <source>No permission to read signature file.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="949"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="957"/>
         <source>Select a file(.gpg/.asc) before doing it.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1055"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1063"/>
         <source>Outdated Version</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1056"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1064"/>
         <source>This version(%1) is out of date, please update the latest version in time. </source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1058"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1065"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1066"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1073"/>
         <source>You can download the latest version(%1) on Github Releases Page.&lt;br/&gt;</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1062"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1070"/>
         <source>Unreleased Version</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1063"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1071"/>
         <source>This version(%1) has not been officially released and is not recommended for use in a production environment. &lt;br/&gt;</source>
         <translation type="unfinished"></translation>
     </message>
diff --git a/src/ui/SendMailDialog.cpp b/src/ui/SendMailDialog.cpp
new file mode 100644
index 00000000..36bcc0ec
--- /dev/null
+++ b/src/ui/SendMailDialog.cpp
@@ -0,0 +1,113 @@
+/**
+ * This file is part of GPGFrontend.
+ *
+ * GPGFrontend is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Foobar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Foobar.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The initial version of the source code is inherited from gpg4usb-team.
+ * Their source code version also complies with GNU General Public License.
+ *
+ * The source code version of this software was modified and released
+ * by Saturneric<[email protected]> starting on May 12, 2021.
+ *
+ */
+
+#include "ui/SendMailDialog.h"
+#include "smtp/SmtpMime"
+
+SendMailDialog::SendMailDialog(QWidget *parent) : QDialog(parent), appPath(qApp->applicationDirPath()),
+                                                  settings(RESOURCE_DIR(appPath) + "/conf/gpgfrontend.ini",
+                                                           QSettings::IniFormat) {
+
+    senderEdit = new QLineEdit();
+    senderEdit->setText(defaultSender);
+    recipientEdit = new QLineEdit();
+    subjectEdit = new QLineEdit();
+
+    qDebug() << "Send Mail Settings" << smtpAddress << username << password << defaultSender << connectionTypeSettings;
+
+    confirmButton = new QPushButton("Confirm");
+
+    auto layout = new QGridLayout();
+    layout->addWidget(new QLabel("Sender"), 0, 0);
+    layout->addWidget(senderEdit, 0, 1);
+    layout->addWidget(new QLabel("Recipient"), 1, 0);
+    layout->addWidget(recipientEdit, 1, 1);
+    layout->addWidget(new QLabel("Subject"), 2, 0);
+    layout->addWidget(subjectEdit, 2, 1);
+    layout->addWidget(confirmButton, 3, 1);
+
+    connect(confirmButton, SIGNAL(clicked(bool)), this, SLOT(slotConfirm()));
+
+    this->setLayout(layout);
+    this->setWindowTitle("Send Mail");
+    this->setModal(true);
+    this->setFixedSize(320, 160);
+    this->show();
+}
+
+void SendMailDialog::slotConfirm() {
+
+    SmtpClient::ConnectionType connectionType = SmtpClient::ConnectionType::TcpConnection;
+
+    if (connectionTypeSettings == "SSL") {
+        connectionType = SmtpClient::ConnectionType::SslConnection;
+    } else if (connectionTypeSettings == "TLS") {
+        connectionType = SmtpClient::ConnectionType::TlsConnection;
+    } else if (connectionTypeSettings == "STARTTLS") {
+        connectionType = SmtpClient::ConnectionType::TlsConnection;
+    } else {
+        connectionType = SmtpClient::ConnectionType::TcpConnection;
+    }
+
+    SmtpClient smtp(smtpAddress, port, connectionType);
+
+    // We need to set the username (your email address) and the password
+    // for smtp authentification.
+
+    smtp.setUser(username);
+    smtp.setPassword(password);
+
+    // Now we create a MimeMessage object. This will be the email.
+
+    MimeMessage message;
+
+    message.setSender(new EmailAddress(defaultSender));
+    message.addRecipient(new EmailAddress("[email protected]"));
+    message.setSubject("GpgFrontend Mail Test");
+
+    // Now add some text to the email.
+    // First we create a MimeText object.
+
+    MimeText text;
+
+    text.setText("Hi,\nThis is a simple email message.\n");
+
+    // Now add it to the mail
+    message.addPart(&text);
+
+    // Now we can send the mail
+    if (!smtp.connectToHost()) {
+        qDebug() << "Connect to SMTP Server Failed";
+        return;
+    }
+    if (!smtp.login()) {
+        qDebug() << "Login to SMTP Server Failed";
+        return;
+    }
+    if (!smtp.sendMail(message)) {
+        qDebug() << "Send Mail to SMTP Server Failed";
+        return;
+    }
+    smtp.quit();
+}
diff --git a/src/ui/SettingsDialog.cpp b/src/ui/SettingsDialog.cpp
index 6bcdc971..d0a107c4 100755
--- a/src/ui/SettingsDialog.cpp
+++ b/src/ui/SettingsDialog.cpp
@@ -23,6 +23,8 @@
  */
 
 #include "ui/SettingsDialog.h"
+#include "smtp/SmtpMime"
+#include "ui/WaitingDialog.h"
 
 SettingsDialog::SettingsDialog(GpgME::GpgContext *ctx, QWidget *parent)
         : QDialog(parent) {
@@ -30,14 +32,14 @@ SettingsDialog::SettingsDialog(GpgME::GpgContext *ctx, QWidget *parent)
     tabWidget = new QTabWidget;
     generalTab = new GeneralTab(mCtx);
     appearanceTab = new AppearanceTab;
-    mimeTab = new MimeTab;
+    sendMailTab = new SendMailTab;
     keyserverTab = new KeyserverTab;
     advancedTab = new AdvancedTab;
     gpgPathsTab = new GpgPathsTab;
 
     tabWidget->addTab(generalTab, tr("General"));
     tabWidget->addTab(appearanceTab, tr("Appearance"));
-    tabWidget->addTab(mimeTab, tr("PGP/Mime"));
+    tabWidget->addTab(sendMailTab, tr("Send Mail"));
     tabWidget->addTab(keyserverTab, tr("Key Server"));
     // tabWidget->addTab(gpgPathsTab, tr("Gpg paths"));
     tabWidget->addTab(advancedTab, tr("Advanced"));
@@ -61,7 +63,7 @@ SettingsDialog::SettingsDialog(GpgME::GpgContext *ctx, QWidget *parent)
             SLOT(slotSetRestartNeeded(bool)));
     connect(appearanceTab, SIGNAL(signalRestartNeeded(bool)), this,
             SLOT(slotSetRestartNeeded(bool)));
-    connect(mimeTab, SIGNAL(signalRestartNeeded(bool)), this,
+    connect(sendMailTab, SIGNAL(signalRestartNeeded(bool)), this,
             SLOT(slotSetRestartNeeded(bool)));
     connect(keyserverTab, SIGNAL(signalRestartNeeded(bool)), this,
             SLOT(slotSetRestartNeeded(bool)));
@@ -82,7 +84,7 @@ void SettingsDialog::slotSetRestartNeeded(bool needed) {
 
 void SettingsDialog::slotAccept() {
     generalTab->applySettings();
-    mimeTab->applySettings();
+    sendMailTab->applySettings();
     appearanceTab->applySettings();
     keyserverTab->applySettings();
     advancedTab->applySettings();
@@ -279,51 +281,53 @@ void GeneralTab::slotOwnKeyIdChanged() {
     // Set ownKeyId to currently selected
 }
 
-MimeTab::MimeTab(QWidget *parent)
+SendMailTab::SendMailTab(QWidget *parent)
         : QWidget(parent), appPath(qApp->applicationDirPath()),
           settings(RESOURCE_DIR(appPath) + "/conf/gpgfrontend.ini",
                    QSettings::IniFormat) {
-    /*****************************************
-     * MIME-Parsing-Box
-     *****************************************/
-    auto *mimeQPBox = new QGroupBox(tr("Decode quoted printable"));
-    auto *mimeQPBoxLayout = new QVBoxLayout();
-    mimeQPCheckBox =
-            new QCheckBox(tr("Try to recognize quoted printable."), this);
-    mimeQPBoxLayout->addWidget(mimeQPCheckBox);
-    mimeQPBox->setLayout(mimeQPBoxLayout);
-
-    auto *mimeParseBox = new QGroupBox(tr("Parse PGP/MIME (Experimental)"));
-    auto *mimeParseBoxLayout = new QVBoxLayout();
-    mimeParseCheckBox = new QCheckBox(
-            tr("Try to split attachments from PGP-MIME ecrypted messages."), this);
-    mimeParseBoxLayout->addWidget(mimeParseCheckBox);
-    mimeParseBox->setLayout(mimeParseBoxLayout);
-
-    auto *mimeOpenAttachmentBox =
-            new QGroupBox(tr("Open with external application (Experimental)"));
-    auto *mimeOpenAttachmentBoxLayout = new QVBoxLayout();
-    auto *mimeOpenAttachmentText = new QLabel(tr(
-            "Open attachments with default application for the filetype.<br> "
-            "There are at least two possible problems with this behaviour:"
-            "<ol><li>File needs to be saved unencrypted to attachments folder.<br> "
-            "Its your job to clean this folder.</li>"
-            "<li>The external application may have its own temp files.</li></ol>"));
-
-    // mimeOpenAttachmentBox->setDisabled(true);
-    mimeOpenAttachmentCheckBox =
-            new QCheckBox(tr("Enable opening with external applications."), this);
-
-    mimeOpenAttachmentBoxLayout->addWidget(mimeOpenAttachmentText);
-    mimeOpenAttachmentBoxLayout->addWidget(mimeOpenAttachmentCheckBox);
-    mimeOpenAttachmentBox->setLayout(mimeOpenAttachmentBoxLayout);
 
-    auto *mainLayout = new QVBoxLayout;
-    mainLayout->addWidget(mimeParseBox);
-    mainLayout->addWidget(mimeOpenAttachmentBox);
-    mainLayout->addWidget(mimeQPBox);
-    mainLayout->addStretch(1);
-    setLayout(mainLayout);
+    enableCheckBox = new QCheckBox(tr("Enable"));
+    enableCheckBox->setTristate(false);
+
+    smtpAddress = new QLineEdit();
+    username = new QLineEdit();
+    password = new QLineEdit();
+    password->setEchoMode(QLineEdit::Password);
+
+    portSpin = new QSpinBox();
+    portSpin->setMinimum(1);
+    portSpin->setMaximum(65535);
+    connectionTypeComboBox = new QComboBox();
+    connectionTypeComboBox->addItem("None");
+    connectionTypeComboBox->addItem("SSL");
+    connectionTypeComboBox->addItem("TLS");
+    connectionTypeComboBox->addItem("STARTTLS");
+
+    defaultSender = new QLineEdit();;
+    checkConnectionButton = new QPushButton("Check Connection");
+
+    auto layout = new QGridLayout();
+    layout->addWidget(enableCheckBox, 0, 0);
+    layout->addWidget(new QLabel(tr("SMTP Address")), 1, 0);
+    layout->addWidget(smtpAddress, 1, 1, 1, 4);
+    layout->addWidget(new QLabel(tr("Username")), 2, 0);
+    layout->addWidget(username, 2, 1, 1, 4);
+    layout->addWidget(new QLabel(tr("Password")), 3, 0);
+    layout->addWidget(password, 3, 1, 1, 4);
+    layout->addWidget(new QLabel(tr("Port")), 4, 0);
+    layout->addWidget(portSpin, 4, 1, 1, 1);
+    layout->addWidget(new QLabel(tr("Connection Security")), 5, 0);
+    layout->addWidget(connectionTypeComboBox, 5, 1, 1, 1);
+
+    layout->addWidget(new QLabel(tr("Default Sender")), 6, 0);
+    layout->addWidget(defaultSender, 6, 1, 1, 4);
+    layout->addWidget(checkConnectionButton, 7, 0);
+
+    connect(enableCheckBox, SIGNAL(stateChanged(int)), this, SLOT(slotCheckBoxSetEnableDisable(int)));
+    connect(checkConnectionButton, SIGNAL(clicked(bool)), this, SLOT(slotCheckConnection()));
+
+
+    this->setLayout(layout);
     setSettings();
 }
 
@@ -332,30 +336,102 @@ MimeTab::MimeTab(QWidget *parent)
  * and set the buttons and checkboxes
  * appropriately
  **********************************/
-void MimeTab::setSettings() {
-
-    // MIME-Parsing
-    if (settings.value("mime/parsemime").toBool())
-        mimeParseCheckBox->setCheckState(Qt::Checked);
+void SendMailTab::setSettings() {
+
+    if (settings.value("sendMail/enable", false).toBool())
+        enableCheckBox->setCheckState(Qt::Checked);
+    else {
+        enableCheckBox->setCheckState(Qt::Unchecked);
+        smtpAddress->setDisabled(true);
+        username->setDisabled(true);
+        password->setDisabled(true);
+        portSpin->setDisabled(true);
+        connectionTypeComboBox->setDisabled(true);
+        defaultSender->setDisabled(true);
+        checkConnectionButton->setDisabled(true);
+    }
 
-    // Qouted Printable
-    if (settings.value("mime/parseQP", true).toBool())
-        mimeQPCheckBox->setCheckState(Qt::Checked);
+    smtpAddress->setText(settings.value("sendMail/smtpAddress", QString()).toString());
+    username->setText(settings.value("sendMail/username", QString()).toString());
+    password->setText(settings.value("sendMail/password", QString()).toString());
+    portSpin->setValue(settings.value("sendMail/port", 25).toInt());
+    connectionTypeComboBox->setCurrentText(settings.value("sendMail/connectionType", "None").toString());
+    defaultSender->setText(settings.value("sendMail/defaultSender", QString()).toString());
 
-    // Open Attachments with external app
-    if (settings.value("mime/openAttachment").toBool())
-        mimeOpenAttachmentCheckBox->setCheckState(Qt::Checked);
 }
 
 /***********************************
  * get the values of the buttons and
  * write them to settings-file
  *************************************/
-void MimeTab::applySettings() {
-    settings.setValue("mime/parsemime", mimeParseCheckBox->isChecked());
-    settings.setValue("mime/parseQP", mimeQPCheckBox->isChecked());
-    settings.setValue("mime/openAttachment",
-                      mimeOpenAttachmentCheckBox->isChecked());
+void SendMailTab::applySettings() {
+
+    settings.setValue("sendMail/smtpAddress", smtpAddress->text());
+    settings.setValue("sendMail/username", username->text());
+    settings.setValue("sendMail/password", password->text());
+    settings.setValue("sendMail/port", portSpin->value());
+    settings.setValue("sendMail/connectionType", connectionTypeComboBox->currentText());
+    settings.setValue("sendMail/defaultSender", defaultSender->text());
+
+    settings.setValue("sendMail/enable", enableCheckBox->isChecked());
+}
+
+void SendMailTab::slotCheckConnection() {
+
+    SmtpClient::ConnectionType connectionType = SmtpClient::ConnectionType::TcpConnection;
+
+    if (connectionTypeComboBox->currentText() == "SSL") {
+        connectionType = SmtpClient::ConnectionType::SslConnection;
+    } else if (connectionTypeComboBox->currentText() == "TLS") {
+        connectionType = SmtpClient::ConnectionType::TlsConnection;
+    } else if (connectionTypeComboBox->currentText() == "STARTTLS") {
+        connectionType = SmtpClient::ConnectionType::TlsConnection;
+    } else {
+        connectionType = SmtpClient::ConnectionType::TcpConnection;
+    }
+
+    SmtpClient smtp(smtpAddress->text(), portSpin->value(), connectionType);
+
+    // We need to set the username (your email address) and the password
+    // for smtp authentification.
+
+    smtp.setUser(username->text());
+    smtp.setPassword(password->text());
+
+    bool if_success = true;
+
+    if (!smtp.connectToHost()) {
+        QMessageBox::critical(this, tr("Fail"), tr("Fail to Connect SMTP Server"));
+        if_success = false;
+    }
+    if (if_success && !smtp.login()) {
+        QMessageBox::critical(this, tr("Fail"), tr("Fail to Login"));
+        if_success = false;
+    }
+
+    if (if_success)
+        QMessageBox::information(this, tr("Success"), tr("Succeed in connecting and login"));
+
+}
+
+void SendMailTab::slotCheckBoxSetEnableDisable(int state) {
+    if (state == Qt::Checked) {
+        smtpAddress->setEnabled(true);
+        username->setEnabled(true);
+        password->setEnabled(true);
+        portSpin->setEnabled(true);
+        connectionTypeComboBox->setEnabled(true);
+        defaultSender->setEnabled(true);
+        checkConnectionButton->setEnabled(true);
+    } else {
+        smtpAddress->setDisabled(true);
+        username->setDisabled(true);
+        password->setDisabled(true);
+        portSpin->setDisabled(true);
+        connectionTypeComboBox->setDisabled(true);
+        defaultSender->setDisabled(true);
+        checkConnectionButton->setDisabled(true);
+    }
 }
 
 AppearanceTab::AppearanceTab(QWidget *parent)
@@ -480,7 +556,7 @@ void AppearanceTab::setSettings() {
 
     // infoBoardFontSize
     auto infoBoardFontSize = settings.value("informationBoard/fontSize", 10).toInt();
-    if(infoBoardFontSize < 9 || infoBoardFontSize > 18)
+    if (infoBoardFontSize < 9 || infoBoardFontSize > 18)
         infoBoardFontSize = 10;
     infoBoardFontSizeSpin->setValue(infoBoardFontSize);
 }
diff --git a/src/ui/main_window/MainWindowSlotFunction.cpp b/src/ui/main_window/MainWindowSlotFunction.cpp
index 0bddb9b2..4bb3a02b 100644
--- a/src/ui/main_window/MainWindowSlotFunction.cpp
+++ b/src/ui/main_window/MainWindowSlotFunction.cpp
@@ -23,6 +23,7 @@
  */
 
 #include "MainWindow.h"
+#include "ui/SendMailDialog.h"
 
 void MainWindow::slotEncrypt() {
 
@@ -83,6 +84,13 @@ void MainWindow::slotEncrypt() {
         else
             infoBoard->slotRefresh(reportText, INFO_ERROR_WARN);
 
+        if (resultAnalyse->getStatus() >= 0) {
+            infoBoard->resetOptionActionsMenu();
+            infoBoard->addOptionalAction("Send Mail", [this]() {
+                new SendMailDialog(this);
+            });
+        }
+
         delete resultAnalyse;
     } else if (edit->slotCurPageFileTreeView() != nullptr) {
         this->slotFileEncrypt();