Improved and Modified.

15 files changed, 860 insertions, 658 deletions

diff --git a/include/gpg/GpgContext.h b/include/gpg/GpgContext.h
index a2812b4e..fc4d8692 100644
--- a/include/gpg/GpgContext.h
+++ b/include/gpg/GpgContext.h
@@ -71,7 +71,7 @@ namespace GpgME {
 
         ~GpgContext() override;
 
-        bool isGood() const;
+        [[nodiscard]] bool isGood() const;
 
         GpgImportInformation importKey(QByteArray inBuffer);
 
@@ -115,7 +115,7 @@ namespace GpgME {
 
         gpg_error_t
         sign(const QVector<GpgKey> &keys, const QByteArray &inBuffer, QByteArray *outBuffer, bool detached = false,
-             gpgme_sign_result_t* result = nullptr);
+             gpgme_sign_result_t *result = nullptr);
 
         bool addUID(const GpgKey &key, const GpgUID &uid);
 
@@ -125,6 +125,8 @@ namespace GpgME {
 
         bool setExpire(const GpgKey &key, const GpgSubKey *subkey, QDateTime *expires);
 
+        QProcess * generateRevokeCert(const GpgKey &key, const QString &outputFileName);
+
         static bool checkIfKeyCanSign(const GpgKey &key);
 
         static bool checkIfKeyCanCert(const GpgKey &key);
@@ -133,6 +135,7 @@ namespace GpgME {
 
         static bool checkIfKeyCanEncr(const GpgKey &key);
 
+
         /**
          * @details If text contains PGP-message, put a linebreak before the message,
          * so that gpgme can decrypt correctly
@@ -143,7 +146,7 @@ namespace GpgME {
 
         GpgKey getKeyByFpr(const QString &fpr);
 
-        const GpgKey & getKeyById(const QString &id);
+        const GpgKey &getKeyById(const QString &id);
 
         static QString gpgErrString(gpgme_error_t err);
 
@@ -173,7 +176,7 @@ namespace GpgME {
 
         void slotRefreshKeyList();
 
-        void slotUpdateKeyList(const QString& key_id);
+        void slotUpdateKeyList(const QString &key_id);
 
     private:
         gpgme_ctx_t mCtx{};
@@ -204,11 +207,11 @@ namespace GpgME {
                                  const char *passphrase_info,
                                  int last_was_bad, int fd);
 
-        void executeGpgCommand(const QStringList &arguments,
-                               QByteArray *stdOut,
-                               QByteArray *stdErr);
+        QProcess * executeGpgCommand(const QStringList &arguments,
+                                     QByteArray *stdOut,
+                                     QByteArray *stdErr, const std::function<void(QProcess *)> &interactFunc);
 
-        QString gpgBin;
+        QString gpgExec;
         QString gpgKeys;
     };
 } // namespace GpgME
diff --git a/include/ui/keypair_details/KeyPairDetailTab.h b/include/ui/keypair_details/KeyPairDetailTab.h
index 6d041f97..068849bf 100644
--- a/include/ui/keypair_details/KeyPairDetailTab.h
+++ b/include/ui/keypair_details/KeyPairDetailTab.h
@@ -64,6 +64,8 @@ private slots:
 
     void slotUpdateKeyToServer();
 
+    void slotGenRevokeCert();
+
 private:
 
     QString *keyid; /** The id of the key the details should be shown for */
diff --git a/include/ui/widgets/FilePage.h b/include/ui/widgets/FilePage.h
index 3d2c8e72..45d638fa 100644
--- a/include/ui/widgets/FilePage.h
+++ b/include/ui/widgets/FilePage.h
@@ -57,6 +57,10 @@ private slots:
 
     void onCustomContextMenu(const QPoint &point);
 
+protected:
+
+    void keyPressEvent(QKeyEvent *event) override;
+
 
 private:
 
@@ -64,6 +68,7 @@ private:
     QTreeView *dirTreeView;
     QLineEdit *pathEdit;
     QString mPath;
+    QString selectedPath;
 
     QPushButton *upLevelButton;
     QPushButton *goPathButton;
diff --git a/resource/ts/gpg_frontend_fr.ts b/resource/ts/gpg_frontend_fr.ts
index 66a85393..7c6f4a85 100644
--- a/resource/ts/gpg_frontend_fr.ts
+++ b/resource/ts/gpg_frontend_fr.ts
@@ -294,52 +294,52 @@
 <context>
     <name>FilePage</name>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="155"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="161"/>
         <source>Open</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="157"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="163"/>
         <source>Delete</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="159"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="165"/>
         <source>Encrypt and Sign</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="161"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="167"/>
         <source>Decrypt and Verify</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="163"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="169"/>
         <source>Only Sign</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="165"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="171"/>
         <source>Only Verify</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="216"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="222"/>
         <source>Warning</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="217"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="223"/>
         <source>Are you sure you want to delete it?</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="227"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="233"/>
         <source>Error</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="228"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="234"/>
         <source>Unable to delete the file or folder.</source>
         <translation type="unfinished"></translation>
     </message>
@@ -413,32 +413,32 @@
 <context>
     <name>GpgME::GpgContext</name>
     <message>
-        <location filename="../../src/gpg/GpgContext.cpp" line="525"/>
+        <location filename="../../src/gpg/GpgContext.cpp" line="528"/>
         <source>Wrong password</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/gpg/GpgContext.cpp" line="533"/>
+        <location filename="../../src/gpg/GpgContext.cpp" line="536"/>
         <source>Enter Password for</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/gpg/GpgContext.cpp" line="537"/>
+        <location filename="../../src/gpg/GpgContext.cpp" line="540"/>
         <source>Enter Password</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/gpg/GpgContext.cpp" line="692"/>
+        <location filename="../../src/gpg/GpgContext.cpp" line="700"/>
         <source>Key Selection</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/gpg/GpgContext.cpp" line="692"/>
+        <location filename="../../src/gpg/GpgContext.cpp" line="700"/>
         <source>No Private Key Selected</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/gpg/GpgContext.cpp" line="732"/>
+        <location filename="../../src/gpg/GpgContext.cpp" line="740"/>
         <source>Error in signing:</source>
         <translation type="unfinished"></translation>
     </message>
@@ -1364,66 +1364,81 @@
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="143"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="144"/>
         <source>Key Server Operation (Pubkey)</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="164"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="147"/>
+        <source>Generate Revoke Certificate</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="172"/>
         <source>Warning: The Master Key has expired.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="167"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="175"/>
         <source>Warning: The Master Key has been revoked</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="191"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="199"/>
         <source>Exporting private Key</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="192"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="200"/>
         <source>&lt;h3&gt;You are about to export your &lt;font color=&quot;red&quot;&gt;PRIVATE KEY&lt;/font&gt;!&lt;/h3&gt;
 This is NOT your Public Key, so DON&apos;T give it away.&lt;br /&gt;Do you REALLY want to export your PRIVATE KEY?</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="209"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="217"/>
         <source>Export Key To File</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="210"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="218"/>
         <source>Key Files</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="213"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="221"/>
         <source>Export Error</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="213"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="221"/>
         <source>Couldn&apos;t open %1 for writing</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="283"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="291"/>
         <source>Never Expire</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="303"/>
-        <source>Upload Key Pair</source>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="311"/>
+        <source>Upload Key Pair to Key Server</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="305"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="313"/>
         <source>Update Key Pair</source>
         <translation type="unfinished"></translation>
     </message>
+    <message>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="336"/>
+        <source>Generate revocation certificate</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="338"/>
+        <source>Revocation Certificates</source>
+        <translation type="unfinished"></translation>
+    </message>
 </context>
 <context>
     <name>KeyPairSubkeyTab</name>
@@ -1960,24 +1975,24 @@ This is NOT your Public Key, so DON&apos;T give it away.&lt;br /&gt;Do you REALL
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="38"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="117"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="286"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="512"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="689"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="872"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="525"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="702"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="885"/>
         <source>No Key Selected</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="124"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="519"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="696"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="532"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="709"/>
         <source>Invalid Operation</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="520"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="697"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="533"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="710"/>
         <source>The selected key contains a key that does not actually have a encrypt usage.&lt;br/&gt;</source>
         <translation type="unfinished"></translation>
     </message>
@@ -1985,25 +2000,27 @@ This is NOT your Public Key, so DON&apos;T give it away.&lt;br /&gt;Do you REALL
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="47"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="126"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="300"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="521"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="698"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="886"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="534"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="711"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="899"/>
         <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="65"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="541"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="554"/>
         <source>Encrypting</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="94"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="368"/>
         <source>Function Disabled</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="95"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="369"/>
         <source>Please go to the settings interface to enable and configure this function.</source>
         <translation type="unfinished"></translation>
     </message>
@@ -2014,7 +2031,7 @@ This is NOT your Public Key, so DON&apos;T give it away.&lt;br /&gt;Do you REALL
     </message>
     <message>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="142"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="718"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="731"/>
         <source>Signing</source>
         <translation type="unfinished"></translation>
     </message>
@@ -2025,177 +2042,177 @@ This is NOT your Public Key, so DON&apos;T give it away.&lt;br /&gt;Do you REALL
     </message>
     <message>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="246"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="803"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="816"/>
         <source>Verifying</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="298"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="884"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="897"/>
         <source>Invalid KeyPair</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="299"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="885"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="898"/>
         <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="310"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="317"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="896"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="903"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="909"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="916"/>
         <source>Incomplete Operation</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="311"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="897"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="910"/>
         <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="318"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="904"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="917"/>
         <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="335"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="923"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="936"/>
         <source>Encrypting and Signing</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="388"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1001"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="401"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1014"/>
         <source>Decrypting and Verifying</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="490"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="494"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="564"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="499"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="503"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="507"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="577"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="581"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="585"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="646"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="662"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="666"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="670"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="744"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="776"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="781"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="785"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="833"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="590"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="594"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="598"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="659"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="675"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="679"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="683"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="757"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="789"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="794"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="798"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="846"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="850"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="854"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="951"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="963"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="967"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="971"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1033"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="859"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="863"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="867"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="964"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="976"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="980"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="984"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1046"/>
         <source>Error</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="577"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="662"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="846"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="499"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="590"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="675"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="859"/>
         <source>Select a file before doing it.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="490"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="581"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="666"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="850"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="967"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="503"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="594"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="679"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="863"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="980"/>
         <source>No permission to read this file.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="494"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="585"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="670"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="854"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="971"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="507"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="598"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="683"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="867"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="984"/>
         <source>No permission to create file.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="499"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="600"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="676"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="859"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="512"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="613"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="689"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="872"/>
         <source>Warning</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="500"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="601"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="677"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="860"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="513"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="614"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="690"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="873"/>
         <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="564"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="646"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="744"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="833"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="951"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1033"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="577"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="659"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="757"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="846"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="964"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1046"/>
         <source>An error occurred during operation.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="777"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="790"/>
         <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="781"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="794"/>
         <source>No permission to read target file.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="785"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="798"/>
         <source>No permission to read signature file.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="963"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="976"/>
         <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="1069"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1082"/>
         <source>Outdated Version</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1070"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1083"/>
         <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="1072"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1079"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1085"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1092"/>
         <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="1076"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1089"/>
         <source>Unreleased Version</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1077"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1090"/>
         <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>
@@ -2864,58 +2881,58 @@ 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/SendMailDialog.cpp" line="83"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="86"/>
         <source>  Recipient cannot be empty  
 </source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="85"/>
-        <source>  Recipient&apos;s Email Address is invalid  
+        <location filename="../../src/ui/SendMailDialog.cpp" line="91"/>
+        <source>  One or more Recipient&apos;s Email Address is invalid  
 </source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="88"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="97"/>
         <source>  Sender cannot be empty  
 </source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="90"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="99"/>
         <source>  Sender&apos;s Email Address is invalid  
 </source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="143"/>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="148"/>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="153"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="155"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="160"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="165"/>
         <source>Fail</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="143"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="155"/>
         <source>Fail to Connect SMTP Server</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="148"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="160"/>
         <source>Fail to Login into SMTP Server</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="153"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="165"/>
         <source>Fail to Send Mail to SMTP Server</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="159"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="171"/>
         <source>Success</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="159"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="171"/>
         <source>Succeed in Sending Mail to SMTP Server</source>
         <translation type="unfinished"></translation>
     </message>
@@ -3204,7 +3221,8 @@ 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/help/AboutDialog.cpp" line="202"/>
+        <location filename="../../src/ui/help/AboutDialog.cpp" line="187"/>
+        <location filename="../../src/ui/help/AboutDialog.cpp" line="209"/>
         <source>Latest Version From Github: </source>
         <translation type="unfinished"></translation>
     </message>
diff --git a/resource/ts/gpg_frontend_ru.ts b/resource/ts/gpg_frontend_ru.ts
index 5a803e6f..5e454214 100644
--- a/resource/ts/gpg_frontend_ru.ts
+++ b/resource/ts/gpg_frontend_ru.ts
@@ -294,52 +294,52 @@
 <context>
     <name>FilePage</name>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="155"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="161"/>
         <source>Open</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="157"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="163"/>
         <source>Delete</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="159"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="165"/>
         <source>Encrypt and Sign</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="161"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="167"/>
         <source>Decrypt and Verify</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="163"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="169"/>
         <source>Only Sign</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="165"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="171"/>
         <source>Only Verify</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="216"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="222"/>
         <source>Warning</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="217"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="223"/>
         <source>Are you sure you want to delete it?</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="227"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="233"/>
         <source>Error</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="228"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="234"/>
         <source>Unable to delete the file or folder.</source>
         <translation type="unfinished"></translation>
     </message>
@@ -413,32 +413,32 @@
 <context>
     <name>GpgME::GpgContext</name>
     <message>
-        <location filename="../../src/gpg/GpgContext.cpp" line="525"/>
+        <location filename="../../src/gpg/GpgContext.cpp" line="528"/>
         <source>Wrong password</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/gpg/GpgContext.cpp" line="533"/>
+        <location filename="../../src/gpg/GpgContext.cpp" line="536"/>
         <source>Enter Password for</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/gpg/GpgContext.cpp" line="537"/>
+        <location filename="../../src/gpg/GpgContext.cpp" line="540"/>
         <source>Enter Password</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/gpg/GpgContext.cpp" line="692"/>
+        <location filename="../../src/gpg/GpgContext.cpp" line="700"/>
         <source>Key Selection</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/gpg/GpgContext.cpp" line="692"/>
+        <location filename="../../src/gpg/GpgContext.cpp" line="700"/>
         <source>No Private Key Selected</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/gpg/GpgContext.cpp" line="732"/>
+        <location filename="../../src/gpg/GpgContext.cpp" line="740"/>
         <source>Error in signing:</source>
         <translation type="unfinished"></translation>
     </message>
@@ -1364,66 +1364,81 @@
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="143"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="144"/>
         <source>Key Server Operation (Pubkey)</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="164"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="147"/>
+        <source>Generate Revoke Certificate</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="172"/>
         <source>Warning: The Master Key has expired.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="167"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="175"/>
         <source>Warning: The Master Key has been revoked</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="191"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="199"/>
         <source>Exporting private Key</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="192"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="200"/>
         <source>&lt;h3&gt;You are about to export your &lt;font color=&quot;red&quot;&gt;PRIVATE KEY&lt;/font&gt;!&lt;/h3&gt;
 This is NOT your Public Key, so DON&apos;T give it away.&lt;br /&gt;Do you REALLY want to export your PRIVATE KEY?</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="209"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="217"/>
         <source>Export Key To File</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="210"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="218"/>
         <source>Key Files</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="213"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="221"/>
         <source>Export Error</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="213"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="221"/>
         <source>Couldn&apos;t open %1 for writing</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="283"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="291"/>
         <source>Never Expire</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="303"/>
-        <source>Upload Key Pair</source>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="311"/>
+        <source>Upload Key Pair to Key Server</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="305"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="313"/>
         <source>Update Key Pair</source>
         <translation type="unfinished"></translation>
     </message>
+    <message>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="336"/>
+        <source>Generate revocation certificate</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="338"/>
+        <source>Revocation Certificates</source>
+        <translation type="unfinished"></translation>
+    </message>
 </context>
 <context>
     <name>KeyPairSubkeyTab</name>
@@ -1960,24 +1975,24 @@ This is NOT your Public Key, so DON&apos;T give it away.&lt;br /&gt;Do you REALL
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="38"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="117"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="286"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="512"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="689"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="872"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="525"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="702"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="885"/>
         <source>No Key Selected</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="124"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="519"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="696"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="532"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="709"/>
         <source>Invalid Operation</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="520"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="697"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="533"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="710"/>
         <source>The selected key contains a key that does not actually have a encrypt usage.&lt;br/&gt;</source>
         <translation type="unfinished"></translation>
     </message>
@@ -1985,25 +2000,27 @@ This is NOT your Public Key, so DON&apos;T give it away.&lt;br /&gt;Do you REALL
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="47"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="126"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="300"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="521"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="698"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="886"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="534"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="711"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="899"/>
         <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="65"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="541"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="554"/>
         <source>Encrypting</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="94"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="368"/>
         <source>Function Disabled</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="95"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="369"/>
         <source>Please go to the settings interface to enable and configure this function.</source>
         <translation type="unfinished"></translation>
     </message>
@@ -2014,7 +2031,7 @@ This is NOT your Public Key, so DON&apos;T give it away.&lt;br /&gt;Do you REALL
     </message>
     <message>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="142"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="718"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="731"/>
         <source>Signing</source>
         <translation type="unfinished"></translation>
     </message>
@@ -2025,177 +2042,177 @@ This is NOT your Public Key, so DON&apos;T give it away.&lt;br /&gt;Do you REALL
     </message>
     <message>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="246"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="803"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="816"/>
         <source>Verifying</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="298"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="884"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="897"/>
         <source>Invalid KeyPair</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="299"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="885"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="898"/>
         <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="310"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="317"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="896"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="903"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="909"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="916"/>
         <source>Incomplete Operation</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="311"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="897"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="910"/>
         <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="318"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="904"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="917"/>
         <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="335"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="923"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="936"/>
         <source>Encrypting and Signing</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="388"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1001"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="401"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1014"/>
         <source>Decrypting and Verifying</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="490"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="494"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="564"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="499"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="503"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="507"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="577"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="581"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="585"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="646"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="662"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="666"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="670"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="744"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="776"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="781"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="785"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="833"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="590"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="594"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="598"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="659"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="675"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="679"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="683"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="757"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="789"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="794"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="798"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="846"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="850"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="854"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="951"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="963"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="967"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="971"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1033"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="859"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="863"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="867"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="964"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="976"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="980"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="984"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1046"/>
         <source>Error</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="577"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="662"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="846"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="499"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="590"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="675"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="859"/>
         <source>Select a file before doing it.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="490"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="581"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="666"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="850"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="967"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="503"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="594"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="679"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="863"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="980"/>
         <source>No permission to read this file.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="494"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="585"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="670"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="854"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="971"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="507"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="598"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="683"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="867"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="984"/>
         <source>No permission to create file.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="499"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="600"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="676"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="859"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="512"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="613"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="689"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="872"/>
         <source>Warning</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="500"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="601"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="677"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="860"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="513"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="614"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="690"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="873"/>
         <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="564"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="646"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="744"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="833"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="951"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1033"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="577"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="659"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="757"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="846"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="964"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1046"/>
         <source>An error occurred during operation.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="777"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="790"/>
         <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="781"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="794"/>
         <source>No permission to read target file.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="785"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="798"/>
         <source>No permission to read signature file.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="963"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="976"/>
         <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="1069"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1082"/>
         <source>Outdated Version</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1070"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1083"/>
         <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="1072"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1079"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1085"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1092"/>
         <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="1076"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1089"/>
         <source>Unreleased Version</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1077"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1090"/>
         <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>
@@ -2864,58 +2881,58 @@ 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/SendMailDialog.cpp" line="83"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="86"/>
         <source>  Recipient cannot be empty  
 </source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="85"/>
-        <source>  Recipient&apos;s Email Address is invalid  
+        <location filename="../../src/ui/SendMailDialog.cpp" line="91"/>
+        <source>  One or more Recipient&apos;s Email Address is invalid  
 </source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="88"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="97"/>
         <source>  Sender cannot be empty  
 </source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="90"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="99"/>
         <source>  Sender&apos;s Email Address is invalid  
 </source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="143"/>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="148"/>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="153"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="155"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="160"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="165"/>
         <source>Fail</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="143"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="155"/>
         <source>Fail to Connect SMTP Server</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="148"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="160"/>
         <source>Fail to Login into SMTP Server</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="153"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="165"/>
         <source>Fail to Send Mail to SMTP Server</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="159"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="171"/>
         <source>Success</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="159"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="171"/>
         <source>Succeed in Sending Mail to SMTP Server</source>
         <translation type="unfinished"></translation>
     </message>
@@ -3204,7 +3221,8 @@ 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/help/AboutDialog.cpp" line="202"/>
+        <location filename="../../src/ui/help/AboutDialog.cpp" line="187"/>
+        <location filename="../../src/ui/help/AboutDialog.cpp" line="209"/>
         <source>Latest Version From Github: </source>
         <translation type="unfinished"></translation>
     </message>
diff --git a/resource/ts/gpgfrontend_en_us.ts b/resource/ts/gpgfrontend_en_us.ts
index a23519e4..093406f9 100644
--- a/resource/ts/gpgfrontend_en_us.ts
+++ b/resource/ts/gpgfrontend_en_us.ts
@@ -294,52 +294,52 @@
 <context>
     <name>FilePage</name>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="155"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="161"/>
         <source>Open</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="157"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="163"/>
         <source>Delete</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="159"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="165"/>
         <source>Encrypt and Sign</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="161"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="167"/>
         <source>Decrypt and Verify</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="163"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="169"/>
         <source>Only Sign</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="165"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="171"/>
         <source>Only Verify</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="216"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="222"/>
         <source>Warning</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="217"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="223"/>
         <source>Are you sure you want to delete it?</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="227"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="233"/>
         <source>Error</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="228"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="234"/>
         <source>Unable to delete the file or folder.</source>
         <translation type="unfinished"></translation>
     </message>
@@ -413,32 +413,32 @@
 <context>
     <name>GpgME::GpgContext</name>
     <message>
-        <location filename="../../src/gpg/GpgContext.cpp" line="525"/>
+        <location filename="../../src/gpg/GpgContext.cpp" line="528"/>
         <source>Wrong password</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/gpg/GpgContext.cpp" line="533"/>
+        <location filename="../../src/gpg/GpgContext.cpp" line="536"/>
         <source>Enter Password for</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/gpg/GpgContext.cpp" line="537"/>
+        <location filename="../../src/gpg/GpgContext.cpp" line="540"/>
         <source>Enter Password</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/gpg/GpgContext.cpp" line="692"/>
+        <location filename="../../src/gpg/GpgContext.cpp" line="700"/>
         <source>Key Selection</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/gpg/GpgContext.cpp" line="692"/>
+        <location filename="../../src/gpg/GpgContext.cpp" line="700"/>
         <source>No Private Key Selected</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/gpg/GpgContext.cpp" line="732"/>
+        <location filename="../../src/gpg/GpgContext.cpp" line="740"/>
         <source>Error in signing:</source>
         <translation type="unfinished"></translation>
     </message>
@@ -1364,66 +1364,81 @@
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="143"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="144"/>
         <source>Key Server Operation (Pubkey)</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="164"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="147"/>
+        <source>Generate Revoke Certificate</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="172"/>
         <source>Warning: The Master Key has expired.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="167"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="175"/>
         <source>Warning: The Master Key has been revoked</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="191"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="199"/>
         <source>Exporting private Key</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="192"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="200"/>
         <source>&lt;h3&gt;You are about to export your &lt;font color=&quot;red&quot;&gt;PRIVATE KEY&lt;/font&gt;!&lt;/h3&gt;
 This is NOT your Public Key, so DON&apos;T give it away.&lt;br /&gt;Do you REALLY want to export your PRIVATE KEY?</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="209"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="217"/>
         <source>Export Key To File</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="210"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="218"/>
         <source>Key Files</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="213"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="221"/>
         <source>Export Error</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="213"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="221"/>
         <source>Couldn&apos;t open %1 for writing</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="283"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="291"/>
         <source>Never Expire</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="303"/>
-        <source>Upload Key Pair</source>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="311"/>
+        <source>Upload Key Pair to Key Server</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="305"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="313"/>
         <source>Update Key Pair</source>
         <translation type="unfinished"></translation>
     </message>
+    <message>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="336"/>
+        <source>Generate revocation certificate</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="338"/>
+        <source>Revocation Certificates</source>
+        <translation type="unfinished"></translation>
+    </message>
 </context>
 <context>
     <name>KeyPairSubkeyTab</name>
@@ -1960,24 +1975,24 @@ This is NOT your Public Key, so DON&apos;T give it away.&lt;br /&gt;Do you REALL
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="38"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="117"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="286"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="512"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="689"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="872"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="525"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="702"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="885"/>
         <source>No Key Selected</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="124"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="519"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="696"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="532"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="709"/>
         <source>Invalid Operation</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="520"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="697"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="533"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="710"/>
         <source>The selected key contains a key that does not actually have a encrypt usage.&lt;br/&gt;</source>
         <translation type="unfinished"></translation>
     </message>
@@ -1985,25 +2000,27 @@ This is NOT your Public Key, so DON&apos;T give it away.&lt;br /&gt;Do you REALL
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="47"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="126"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="300"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="521"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="698"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="886"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="534"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="711"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="899"/>
         <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="65"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="541"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="554"/>
         <source>Encrypting</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="94"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="368"/>
         <source>Function Disabled</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="95"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="369"/>
         <source>Please go to the settings interface to enable and configure this function.</source>
         <translation type="unfinished"></translation>
     </message>
@@ -2014,7 +2031,7 @@ This is NOT your Public Key, so DON&apos;T give it away.&lt;br /&gt;Do you REALL
     </message>
     <message>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="142"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="718"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="731"/>
         <source>Signing</source>
         <translation type="unfinished"></translation>
     </message>
@@ -2025,177 +2042,177 @@ This is NOT your Public Key, so DON&apos;T give it away.&lt;br /&gt;Do you REALL
     </message>
     <message>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="246"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="803"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="816"/>
         <source>Verifying</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="298"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="884"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="897"/>
         <source>Invalid KeyPair</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="299"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="885"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="898"/>
         <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="310"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="317"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="896"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="903"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="909"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="916"/>
         <source>Incomplete Operation</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="311"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="897"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="910"/>
         <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="318"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="904"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="917"/>
         <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="335"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="923"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="936"/>
         <source>Encrypting and Signing</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="388"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1001"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="401"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1014"/>
         <source>Decrypting and Verifying</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="490"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="494"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="564"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="499"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="503"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="507"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="577"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="581"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="585"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="646"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="662"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="666"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="670"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="744"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="776"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="781"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="785"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="833"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="590"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="594"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="598"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="659"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="675"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="679"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="683"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="757"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="789"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="794"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="798"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="846"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="850"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="854"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="951"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="963"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="967"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="971"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1033"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="859"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="863"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="867"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="964"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="976"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="980"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="984"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1046"/>
         <source>Error</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="577"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="662"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="846"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="499"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="590"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="675"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="859"/>
         <source>Select a file before doing it.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="490"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="581"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="666"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="850"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="967"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="503"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="594"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="679"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="863"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="980"/>
         <source>No permission to read this file.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="494"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="585"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="670"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="854"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="971"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="507"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="598"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="683"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="867"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="984"/>
         <source>No permission to create file.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="499"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="600"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="676"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="859"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="512"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="613"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="689"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="872"/>
         <source>Warning</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="500"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="601"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="677"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="860"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="513"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="614"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="690"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="873"/>
         <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="564"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="646"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="744"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="833"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="951"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1033"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="577"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="659"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="757"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="846"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="964"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1046"/>
         <source>An error occurred during operation.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="777"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="790"/>
         <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="781"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="794"/>
         <source>No permission to read target file.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="785"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="798"/>
         <source>No permission to read signature file.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="963"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="976"/>
         <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="1069"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1082"/>
         <source>Outdated Version</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1070"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1083"/>
         <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="1072"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1079"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1085"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1092"/>
         <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="1076"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1089"/>
         <source>Unreleased Version</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1077"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1090"/>
         <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>
@@ -2864,58 +2881,58 @@ 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/SendMailDialog.cpp" line="83"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="86"/>
         <source>  Recipient cannot be empty  
 </source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="85"/>
-        <source>  Recipient&apos;s Email Address is invalid  
+        <location filename="../../src/ui/SendMailDialog.cpp" line="91"/>
+        <source>  One or more Recipient&apos;s Email Address is invalid  
 </source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="88"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="97"/>
         <source>  Sender cannot be empty  
 </source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="90"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="99"/>
         <source>  Sender&apos;s Email Address is invalid  
 </source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="143"/>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="148"/>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="153"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="155"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="160"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="165"/>
         <source>Fail</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="143"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="155"/>
         <source>Fail to Connect SMTP Server</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="148"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="160"/>
         <source>Fail to Login into SMTP Server</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="153"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="165"/>
         <source>Fail to Send Mail to SMTP Server</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="159"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="171"/>
         <source>Success</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="159"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="171"/>
         <source>Succeed in Sending Mail to SMTP Server</source>
         <translation type="unfinished"></translation>
     </message>
@@ -3204,7 +3221,8 @@ 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/help/AboutDialog.cpp" line="202"/>
+        <location filename="../../src/ui/help/AboutDialog.cpp" line="187"/>
+        <location filename="../../src/ui/help/AboutDialog.cpp" line="209"/>
         <source>Latest Version From Github: </source>
         <translation type="unfinished"></translation>
     </message>
diff --git a/resource/ts/gpgfrontend_zh_chs.ts b/resource/ts/gpgfrontend_zh_chs.ts
index 671c8217..bb113ef3 100644
--- a/resource/ts/gpgfrontend_zh_chs.ts
+++ b/resource/ts/gpgfrontend_zh_chs.ts
@@ -294,52 +294,52 @@
 <context>
     <name>FilePage</name>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="155"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="161"/>
         <source>Open</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="157"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="163"/>
         <source>Delete</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="159"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="165"/>
         <source>Encrypt and Sign</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="161"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="167"/>
         <source>Decrypt and Verify</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="163"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="169"/>
         <source>Only Sign</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="165"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="171"/>
         <source>Only Verify</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="216"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="222"/>
         <source>Warning</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="217"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="223"/>
         <source>Are you sure you want to delete it?</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="227"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="233"/>
         <source>Error</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="228"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="234"/>
         <source>Unable to delete the file or folder.</source>
         <translation type="unfinished"></translation>
     </message>
@@ -413,32 +413,32 @@
 <context>
     <name>GpgME::GpgContext</name>
     <message>
-        <location filename="../../src/gpg/GpgContext.cpp" line="525"/>
+        <location filename="../../src/gpg/GpgContext.cpp" line="528"/>
         <source>Wrong password</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/gpg/GpgContext.cpp" line="533"/>
+        <location filename="../../src/gpg/GpgContext.cpp" line="536"/>
         <source>Enter Password for</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/gpg/GpgContext.cpp" line="537"/>
+        <location filename="../../src/gpg/GpgContext.cpp" line="540"/>
         <source>Enter Password</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/gpg/GpgContext.cpp" line="692"/>
+        <location filename="../../src/gpg/GpgContext.cpp" line="700"/>
         <source>Key Selection</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/gpg/GpgContext.cpp" line="692"/>
+        <location filename="../../src/gpg/GpgContext.cpp" line="700"/>
         <source>No Private Key Selected</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/gpg/GpgContext.cpp" line="732"/>
+        <location filename="../../src/gpg/GpgContext.cpp" line="740"/>
         <source>Error in signing:</source>
         <translation type="unfinished"></translation>
     </message>
@@ -1364,66 +1364,81 @@
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="143"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="144"/>
         <source>Key Server Operation (Pubkey)</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="164"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="147"/>
+        <source>Generate Revoke Certificate</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="172"/>
         <source>Warning: The Master Key has expired.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="167"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="175"/>
         <source>Warning: The Master Key has been revoked</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="191"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="199"/>
         <source>Exporting private Key</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="192"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="200"/>
         <source>&lt;h3&gt;You are about to export your &lt;font color=&quot;red&quot;&gt;PRIVATE KEY&lt;/font&gt;!&lt;/h3&gt;
 This is NOT your Public Key, so DON&apos;T give it away.&lt;br /&gt;Do you REALLY want to export your PRIVATE KEY?</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="209"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="217"/>
         <source>Export Key To File</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="210"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="218"/>
         <source>Key Files</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="213"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="221"/>
         <source>Export Error</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="213"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="221"/>
         <source>Couldn&apos;t open %1 for writing</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="283"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="291"/>
         <source>Never Expire</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="303"/>
-        <source>Upload Key Pair</source>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="311"/>
+        <source>Upload Key Pair to Key Server</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="305"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="313"/>
         <source>Update Key Pair</source>
         <translation type="unfinished"></translation>
     </message>
+    <message>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="336"/>
+        <source>Generate revocation certificate</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="338"/>
+        <source>Revocation Certificates</source>
+        <translation type="unfinished"></translation>
+    </message>
 </context>
 <context>
     <name>KeyPairSubkeyTab</name>
@@ -1960,24 +1975,24 @@ This is NOT your Public Key, so DON&apos;T give it away.&lt;br /&gt;Do you REALL
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="38"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="117"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="286"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="512"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="689"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="872"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="525"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="702"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="885"/>
         <source>No Key Selected</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="124"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="519"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="696"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="532"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="709"/>
         <source>Invalid Operation</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="520"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="697"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="533"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="710"/>
         <source>The selected key contains a key that does not actually have a encrypt usage.&lt;br/&gt;</source>
         <translation type="unfinished"></translation>
     </message>
@@ -1985,25 +2000,27 @@ This is NOT your Public Key, so DON&apos;T give it away.&lt;br /&gt;Do you REALL
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="47"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="126"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="300"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="521"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="698"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="886"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="534"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="711"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="899"/>
         <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="65"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="541"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="554"/>
         <source>Encrypting</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="94"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="368"/>
         <source>Function Disabled</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="95"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="369"/>
         <source>Please go to the settings interface to enable and configure this function.</source>
         <translation type="unfinished"></translation>
     </message>
@@ -2014,7 +2031,7 @@ This is NOT your Public Key, so DON&apos;T give it away.&lt;br /&gt;Do you REALL
     </message>
     <message>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="142"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="718"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="731"/>
         <source>Signing</source>
         <translation type="unfinished"></translation>
     </message>
@@ -2025,177 +2042,177 @@ This is NOT your Public Key, so DON&apos;T give it away.&lt;br /&gt;Do you REALL
     </message>
     <message>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="246"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="803"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="816"/>
         <source>Verifying</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="298"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="884"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="897"/>
         <source>Invalid KeyPair</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="299"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="885"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="898"/>
         <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="310"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="317"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="896"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="903"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="909"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="916"/>
         <source>Incomplete Operation</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="311"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="897"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="910"/>
         <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="318"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="904"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="917"/>
         <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="335"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="923"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="936"/>
         <source>Encrypting and Signing</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="388"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1001"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="401"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1014"/>
         <source>Decrypting and Verifying</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="490"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="494"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="564"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="499"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="503"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="507"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="577"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="581"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="585"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="646"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="662"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="666"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="670"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="744"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="776"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="781"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="785"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="833"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="590"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="594"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="598"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="659"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="675"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="679"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="683"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="757"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="789"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="794"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="798"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="846"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="850"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="854"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="951"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="963"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="967"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="971"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1033"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="859"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="863"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="867"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="964"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="976"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="980"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="984"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1046"/>
         <source>Error</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="577"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="662"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="846"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="499"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="590"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="675"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="859"/>
         <source>Select a file before doing it.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="490"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="581"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="666"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="850"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="967"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="503"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="594"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="679"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="863"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="980"/>
         <source>No permission to read this file.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="494"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="585"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="670"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="854"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="971"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="507"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="598"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="683"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="867"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="984"/>
         <source>No permission to create file.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="499"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="600"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="676"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="859"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="512"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="613"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="689"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="872"/>
         <source>Warning</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="500"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="601"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="677"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="860"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="513"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="614"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="690"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="873"/>
         <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="564"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="646"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="744"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="833"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="951"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1033"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="577"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="659"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="757"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="846"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="964"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1046"/>
         <source>An error occurred during operation.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="777"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="790"/>
         <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="781"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="794"/>
         <source>No permission to read target file.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="785"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="798"/>
         <source>No permission to read signature file.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="963"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="976"/>
         <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="1069"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1082"/>
         <source>Outdated Version</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1070"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1083"/>
         <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="1072"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1079"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1085"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1092"/>
         <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="1076"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1089"/>
         <source>Unreleased Version</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1077"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1090"/>
         <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>
@@ -2864,58 +2881,58 @@ 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/SendMailDialog.cpp" line="83"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="86"/>
         <source>  Recipient cannot be empty  
 </source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="85"/>
-        <source>  Recipient&apos;s Email Address is invalid  
+        <location filename="../../src/ui/SendMailDialog.cpp" line="91"/>
+        <source>  One or more Recipient&apos;s Email Address is invalid  
 </source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="88"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="97"/>
         <source>  Sender cannot be empty  
 </source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="90"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="99"/>
         <source>  Sender&apos;s Email Address is invalid  
 </source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="143"/>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="148"/>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="153"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="155"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="160"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="165"/>
         <source>Fail</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="143"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="155"/>
         <source>Fail to Connect SMTP Server</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="148"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="160"/>
         <source>Fail to Login into SMTP Server</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="153"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="165"/>
         <source>Fail to Send Mail to SMTP Server</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="159"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="171"/>
         <source>Success</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="159"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="171"/>
         <source>Succeed in Sending Mail to SMTP Server</source>
         <translation type="unfinished"></translation>
     </message>
@@ -3204,7 +3221,8 @@ 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/help/AboutDialog.cpp" line="202"/>
+        <location filename="../../src/ui/help/AboutDialog.cpp" line="187"/>
+        <location filename="../../src/ui/help/AboutDialog.cpp" line="209"/>
         <source>Latest Version From Github: </source>
         <translation type="unfinished"></translation>
     </message>
diff --git a/resource/ts/gpgfrontend_zh_cht.ts b/resource/ts/gpgfrontend_zh_cht.ts
index 671c8217..bb113ef3 100644
--- a/resource/ts/gpgfrontend_zh_cht.ts
+++ b/resource/ts/gpgfrontend_zh_cht.ts
@@ -294,52 +294,52 @@
 <context>
     <name>FilePage</name>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="155"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="161"/>
         <source>Open</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="157"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="163"/>
         <source>Delete</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="159"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="165"/>
         <source>Encrypt and Sign</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="161"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="167"/>
         <source>Decrypt and Verify</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="163"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="169"/>
         <source>Only Sign</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="165"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="171"/>
         <source>Only Verify</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="216"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="222"/>
         <source>Warning</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="217"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="223"/>
         <source>Are you sure you want to delete it?</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="227"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="233"/>
         <source>Error</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/widgets/FilePage.cpp" line="228"/>
+        <location filename="../../src/ui/widgets/FilePage.cpp" line="234"/>
         <source>Unable to delete the file or folder.</source>
         <translation type="unfinished"></translation>
     </message>
@@ -413,32 +413,32 @@
 <context>
     <name>GpgME::GpgContext</name>
     <message>
-        <location filename="../../src/gpg/GpgContext.cpp" line="525"/>
+        <location filename="../../src/gpg/GpgContext.cpp" line="528"/>
         <source>Wrong password</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/gpg/GpgContext.cpp" line="533"/>
+        <location filename="../../src/gpg/GpgContext.cpp" line="536"/>
         <source>Enter Password for</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/gpg/GpgContext.cpp" line="537"/>
+        <location filename="../../src/gpg/GpgContext.cpp" line="540"/>
         <source>Enter Password</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/gpg/GpgContext.cpp" line="692"/>
+        <location filename="../../src/gpg/GpgContext.cpp" line="700"/>
         <source>Key Selection</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/gpg/GpgContext.cpp" line="692"/>
+        <location filename="../../src/gpg/GpgContext.cpp" line="700"/>
         <source>No Private Key Selected</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/gpg/GpgContext.cpp" line="732"/>
+        <location filename="../../src/gpg/GpgContext.cpp" line="740"/>
         <source>Error in signing:</source>
         <translation type="unfinished"></translation>
     </message>
@@ -1364,66 +1364,81 @@
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="143"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="144"/>
         <source>Key Server Operation (Pubkey)</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="164"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="147"/>
+        <source>Generate Revoke Certificate</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="172"/>
         <source>Warning: The Master Key has expired.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="167"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="175"/>
         <source>Warning: The Master Key has been revoked</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="191"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="199"/>
         <source>Exporting private Key</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="192"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="200"/>
         <source>&lt;h3&gt;You are about to export your &lt;font color=&quot;red&quot;&gt;PRIVATE KEY&lt;/font&gt;!&lt;/h3&gt;
 This is NOT your Public Key, so DON&apos;T give it away.&lt;br /&gt;Do you REALLY want to export your PRIVATE KEY?</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="209"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="217"/>
         <source>Export Key To File</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="210"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="218"/>
         <source>Key Files</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="213"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="221"/>
         <source>Export Error</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="213"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="221"/>
         <source>Couldn&apos;t open %1 for writing</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="283"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="291"/>
         <source>Never Expire</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="303"/>
-        <source>Upload Key Pair</source>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="311"/>
+        <source>Upload Key Pair to Key Server</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="305"/>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="313"/>
         <source>Update Key Pair</source>
         <translation type="unfinished"></translation>
     </message>
+    <message>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="336"/>
+        <source>Generate revocation certificate</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../src/ui/keypair_details/KeyPairDetailTab.cpp" line="338"/>
+        <source>Revocation Certificates</source>
+        <translation type="unfinished"></translation>
+    </message>
 </context>
 <context>
     <name>KeyPairSubkeyTab</name>
@@ -1960,24 +1975,24 @@ This is NOT your Public Key, so DON&apos;T give it away.&lt;br /&gt;Do you REALL
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="38"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="117"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="286"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="512"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="689"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="872"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="525"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="702"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="885"/>
         <source>No Key Selected</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="124"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="519"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="696"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="532"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="709"/>
         <source>Invalid Operation</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="520"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="697"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="533"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="710"/>
         <source>The selected key contains a key that does not actually have a encrypt usage.&lt;br/&gt;</source>
         <translation type="unfinished"></translation>
     </message>
@@ -1985,25 +2000,27 @@ This is NOT your Public Key, so DON&apos;T give it away.&lt;br /&gt;Do you REALL
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="47"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="126"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="300"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="521"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="698"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="886"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="534"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="711"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="899"/>
         <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="65"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="541"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="554"/>
         <source>Encrypting</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="94"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="368"/>
         <source>Function Disabled</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="95"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="369"/>
         <source>Please go to the settings interface to enable and configure this function.</source>
         <translation type="unfinished"></translation>
     </message>
@@ -2014,7 +2031,7 @@ This is NOT your Public Key, so DON&apos;T give it away.&lt;br /&gt;Do you REALL
     </message>
     <message>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="142"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="718"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="731"/>
         <source>Signing</source>
         <translation type="unfinished"></translation>
     </message>
@@ -2025,177 +2042,177 @@ This is NOT your Public Key, so DON&apos;T give it away.&lt;br /&gt;Do you REALL
     </message>
     <message>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="246"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="803"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="816"/>
         <source>Verifying</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="298"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="884"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="897"/>
         <source>Invalid KeyPair</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="299"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="885"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="898"/>
         <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="310"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="317"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="896"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="903"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="909"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="916"/>
         <source>Incomplete Operation</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="311"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="897"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="910"/>
         <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="318"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="904"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="917"/>
         <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="335"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="923"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="936"/>
         <source>Encrypting and Signing</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="388"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1001"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="401"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1014"/>
         <source>Decrypting and Verifying</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="490"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="494"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="564"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="499"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="503"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="507"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="577"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="581"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="585"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="646"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="662"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="666"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="670"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="744"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="776"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="781"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="785"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="833"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="590"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="594"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="598"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="659"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="675"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="679"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="683"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="757"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="789"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="794"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="798"/>
         <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="846"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="850"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="854"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="951"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="963"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="967"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="971"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1033"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="859"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="863"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="867"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="964"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="976"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="980"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="984"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1046"/>
         <source>Error</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="577"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="662"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="846"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="499"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="590"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="675"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="859"/>
         <source>Select a file before doing it.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="490"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="581"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="666"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="850"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="967"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="503"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="594"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="679"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="863"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="980"/>
         <source>No permission to read this file.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="494"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="585"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="670"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="854"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="971"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="507"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="598"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="683"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="867"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="984"/>
         <source>No permission to create file.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="499"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="600"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="676"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="859"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="512"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="613"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="689"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="872"/>
         <source>Warning</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="500"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="601"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="677"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="860"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="513"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="614"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="690"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="873"/>
         <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="564"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="646"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="744"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="833"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="951"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1033"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="577"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="659"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="757"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="846"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="964"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1046"/>
         <source>An error occurred during operation.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="777"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="790"/>
         <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="781"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="794"/>
         <source>No permission to read target file.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="785"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="798"/>
         <source>No permission to read signature file.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="963"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="976"/>
         <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="1069"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1082"/>
         <source>Outdated Version</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1070"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1083"/>
         <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="1072"/>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1079"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1085"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1092"/>
         <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="1076"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1089"/>
         <source>Unreleased Version</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1077"/>
+        <location filename="../../src/ui/main_window/MainWindowSlotFunction.cpp" line="1090"/>
         <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>
@@ -2864,58 +2881,58 @@ 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/SendMailDialog.cpp" line="83"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="86"/>
         <source>  Recipient cannot be empty  
 </source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="85"/>
-        <source>  Recipient&apos;s Email Address is invalid  
+        <location filename="../../src/ui/SendMailDialog.cpp" line="91"/>
+        <source>  One or more Recipient&apos;s Email Address is invalid  
 </source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="88"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="97"/>
         <source>  Sender cannot be empty  
 </source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="90"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="99"/>
         <source>  Sender&apos;s Email Address is invalid  
 </source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="143"/>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="148"/>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="153"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="155"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="160"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="165"/>
         <source>Fail</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="143"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="155"/>
         <source>Fail to Connect SMTP Server</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="148"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="160"/>
         <source>Fail to Login into SMTP Server</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="153"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="165"/>
         <source>Fail to Send Mail to SMTP Server</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="159"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="171"/>
         <source>Success</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/ui/SendMailDialog.cpp" line="159"/>
+        <location filename="../../src/ui/SendMailDialog.cpp" line="171"/>
         <source>Succeed in Sending Mail to SMTP Server</source>
         <translation type="unfinished"></translation>
     </message>
@@ -3204,7 +3221,8 @@ 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/help/AboutDialog.cpp" line="202"/>
+        <location filename="../../src/ui/help/AboutDialog.cpp" line="187"/>
+        <location filename="../../src/ui/help/AboutDialog.cpp" line="209"/>
         <source>Latest Version From Github: </source>
         <translation type="unfinished"></translation>
     </message>
diff --git a/src/gpg/GpgContext.cpp b/src/gpg/GpgContext.cpp
index 7ec521a7..0462433d 100644
--- a/src/gpg/GpgContext.cpp
+++ b/src/gpg/GpgContext.cpp
@@ -24,6 +24,7 @@
 
 #include "gpg/GpgContext.h"
 
+#include <functional>
 #include <unistd.h>    /* contains read/write */
 
 #ifdef _WIN32
@@ -72,8 +73,10 @@ namespace GpgME {
                      << engineInfo->home_dir << engineInfo->version;
             if (engineInfo->protocol == GPGME_PROTOCOL_GPGCONF && strcmp(engineInfo->version, "1.0.0") != 0)
                 find_gpgconf = true;
-            if (engineInfo->protocol == GPGME_PROTOCOL_OpenPGP && strcmp(engineInfo->version, "1.0.0") != 0)
+            if (engineInfo->protocol == GPGME_PROTOCOL_OpenPGP && strcmp(engineInfo->version, "1.0.0") != 0) {
+                gpgExec = engineInfo->file_name;
                 find_openpgp = true;
+            }
             if (engineInfo->protocol == GPGME_PROTOCOL_CMS && strcmp(engineInfo->version, "1.0.0") != 0)
                 find_cms = true;
             if (engineInfo->protocol == GPGME_PROTOCOL_ASSUAN)
@@ -625,20 +628,31 @@ namespace GpgME {
     }
 
 /** return type should be gpgme_error_t*/
-    void GpgContext::executeGpgCommand(const QStringList &arguments, QByteArray *stdOut, QByteArray *stdErr) {
+    QProcess * GpgContext::executeGpgCommand(const QStringList &arguments, QByteArray *stdOut, QByteArray *stdErr,
+                                       const std::function<void(QProcess *)> &interactFunc) {
         QStringList args;
-        args << "--homedir" << gpgKeys << "--batch" << arguments;
+        args << arguments;
+
+        auto *gpgProcess = new QProcess(this);
+        qDebug() << "gpgExec" << gpgExec << args;
 
-        qDebug() << args;
-        QProcess gpg;
-        //  qDebug() << "engine->file_name" << engine->file_name;
+        gpgProcess->setReadChannel(QProcess::StandardOutput);
+        connect(gpgProcess, SIGNAL(finished(int,QProcess::ExitStatus)),
+                gpgProcess, SLOT(deleteLater()));
+        connect(gpgProcess, &QProcess::readyReadStandardOutput, this, [gpgProcess, interactFunc]() {
+            qDebug() << "Function Called" << &gpgProcess;
+            // interactFunc(gpgProcess);
+        });
 
-        gpg.start(gpgBin, args);
-        gpg.waitForFinished();
+        gpgProcess->start(gpgExec, args);
 
-        *stdOut = gpg.readAllStandardOutput();
-        *stdErr = gpg.readAllStandardError();
-        qDebug() << *stdOut;
+        if (gpgProcess->waitForStarted()){
+            qDebug() << "Gpg Process Started Success";
+        } else {
+            qDebug() << "Gpg Process Started Failed";
+        }
+
+        return gpgProcess;
     }
 
 /***
@@ -1180,4 +1194,41 @@ namespace GpgME {
         }
         return true;
     }
+
+    QProcess * GpgContext::generateRevokeCert(const GpgKey &key, const QString &outputFileName) {
+        QByteArray out, stdErr;
+        auto process = executeGpgCommand({
+                                  "--command-fd",
+                                  "0",
+                                  "--status-fd", "1",
+                                  "-o",
+                                  outputFileName,
+                                  "--gen-revoke",
+                                  key.fpr
+                          }, &out, &stdErr,
+                          [](QProcess *proc) {
+                              qDebug() << "Function Called" << proc;
+                              while (proc->canReadLine()) {
+                                  const QString line = QString::fromUtf8(proc->readLine()).trimmed();
+                                  // Command-fd is a stable interface, while this is all kind of hacky we
+                                  // are on a deadline :-/
+                                  if (line == QLatin1String("[GNUPG:] GET_BOOL gen_revoke.okay")) {
+                                      proc->write("y\n");
+                                  } else if (line == QLatin1String("[GNUPG:] GET_LINE ask_revocation_reason.code")) {
+                                      proc->write("0\n");
+                                  } else if (line == QLatin1String("[GNUPG:] GET_LINE ask_revocation_reason.text")) {
+                                      proc->write("\n");
+                                  } else if (line == QLatin1String("[GNUPG:] GET_BOOL openfile.overwrite.okay")) {
+                                      // We asked before
+                                      proc->write("y\n");
+                                  } else if (line == QLatin1String("[GNUPG:] GET_BOOL ask_revocation_reason.okay")) {
+                                      proc->write("y\n");
+                                  }
+                              }
+                          });
+
+        qDebug() << "GenerateRevokeCert Process" << process;
+
+        return process;
+    }
 }
diff --git a/src/ui/help/AboutDialog.cpp b/src/ui/help/AboutDialog.cpp
index 4c9b54c9..807c509d 100644
--- a/src/ui/help/AboutDialog.cpp
+++ b/src/ui/help/AboutDialog.cpp
@@ -181,6 +181,13 @@ void UpdateTab::getLatestVersion() {
 
      this->pb->setHidden(true);
 
+    if(replay->error() !=  QNetworkReply::NoError) {
+        qDebug() << "VersionCheckThread Found Network Error";
+        auto latestVersion = "Unknown";
+        latestVersionLabel->setText("<center><b>" + tr("Latest Version From Github: ") + latestVersion + "</b></center>");
+        return;
+    }
+
      QByteArray bytes = replay->readAll();
 
     Document d;
diff --git a/src/ui/help/VersionCheckThread.cpp b/src/ui/help/VersionCheckThread.cpp
index 7bd0eb8f..c7c77d1c 100644
--- a/src/ui/help/VersionCheckThread.cpp
+++ b/src/ui/help/VersionCheckThread.cpp
@@ -20,6 +20,11 @@ void VersionCheckThread::run() {
         QApplication::processEvents();
     }
 
+    if(mNetworkReply->error() !=  QNetworkReply::NoError) {
+        qDebug() << "VersionCheckThread Found Network Error";
+        return;
+    }
+
     QByteArray bytes = mNetworkReply->readAll();
 
     Document d;
diff --git a/src/ui/keypair_details/KeyPairDetailTab.cpp b/src/ui/keypair_details/KeyPairDetailTab.cpp
index f2a3e613..0363ae30 100644
--- a/src/ui/keypair_details/KeyPairDetailTab.cpp
+++ b/src/ui/keypair_details/KeyPairDetailTab.cpp
@@ -23,6 +23,7 @@
  */
 
 #include "ui/keypair_details/KeyPairDetailTab.h"
+#include "ui/WaitingDialog.h"
 
 KeyPairDetailTab::KeyPairDetailTab(GpgME::GpgContext *ctx, const GpgKey &mKey, QWidget *parent) : mKey(mKey), QWidget(parent) {
 
@@ -140,9 +141,17 @@ KeyPairDetailTab::KeyPairDetailTab(GpgME::GpgContext *ctx, const GpgKey &mKey, Q
             vboxPK->addWidget(editExpiresButton);
             connect(editExpiresButton, SIGNAL(clicked()), this, SLOT(slotModifyEditDatetime()));
 
+            auto hBoxLayout = new QHBoxLayout();
             auto *keyServerOperaButton = new QPushButton(tr("Key Server Operation (Pubkey)"));
             keyServerOperaButton->setStyleSheet("text-align:center;");
-            vboxPK->addWidget(keyServerOperaButton);
+
+            auto *revokeCertGenButton = new QPushButton(tr("Generate Revoke Certificate"));
+            connect(revokeCertGenButton, SIGNAL(clicked()), this, SLOT(slotGenRevokeCert()));
+
+            hBoxLayout->addWidget(keyServerOperaButton);
+            hBoxLayout->addWidget(revokeCertGenButton);
+
+            vboxPK->addLayout(hBoxLayout);
             connect(keyServerOperaButton, SIGNAL(clicked()), this, SLOT(slotModifyEditDatetime()));
 
             // Set Menu
@@ -300,7 +309,7 @@ void KeyPairDetailTab::slotRefreshKeyInfo() {
 void KeyPairDetailTab::createKeyServerOperaMenu() {
     keyServerOperaMenu = new QMenu(this);
 
-    auto *uploadKeyPair = new QAction(tr("Upload Key Pair"), this);
+    auto *uploadKeyPair = new QAction(tr("Upload Key Pair to Key Server"), this);
     connect(uploadKeyPair, SIGNAL(triggered()), this, SLOT(slotUploadKeyToServer()));
     auto *updateKeyPair = new QAction(tr("Update Key Pair"), this);
     connect(updateKeyPair, SIGNAL(triggered()), this, SLOT(slotUpdateKeyToServer()));
@@ -324,3 +333,20 @@ void KeyPairDetailTab::slotUpdateKeyToServer() {
     dialog->slotImportKey(keys);
 }
 
+void KeyPairDetailTab::slotGenRevokeCert() {
+    auto mOutputFileName = QFileDialog::getSaveFileName(this, tr("Generate revocation certificate"),
+                                                        QString(),
+                                                        QStringLiteral("%1 (*.rev)").arg(tr("Revocation Certificates")));
+
+    auto process = mCtx->generateRevokeCert(mKey, mOutputFileName);
+
+    auto *dialog = new WaitingDialog("Generating", this);
+
+    while(process->state() == QProcess::Running) {
+        QApplication::processEvents();
+    }
+
+    dialog->close();
+
+}
+
diff --git a/src/ui/main_window/MainWindowSlotFunction.cpp b/src/ui/main_window/MainWindowSlotFunction.cpp
index 8a4b786e..4bcee080 100644
--- a/src/ui/main_window/MainWindowSlotFunction.cpp
+++ b/src/ui/main_window/MainWindowSlotFunction.cpp
@@ -398,7 +398,7 @@ void MainWindow::slotDecryptVerify() {
         connect(thread, SIGNAL(finished(QPrivateSignal)), thread, SLOT(deleteLater()));
         thread->start();
 
-        WaitingDialog *dialog = new WaitingDialog(tr("Decrypting and Verifying"), this);
+        auto *dialog = new WaitingDialog(tr("Decrypting and Verifying"), this);
         while (thread->isRunning()) {
             QApplication::processEvents();
         }
diff --git a/src/ui/widgets/FilePage.cpp b/src/ui/widgets/FilePage.cpp
index 65755509..b9602d58 100644
--- a/src/ui/widgets/FilePage.cpp
+++ b/src/ui/widgets/FilePage.cpp
@@ -105,17 +105,22 @@ FilePage::FilePage(QWidget *parent) : QWidget(parent) {
 }
 
 void FilePage::fileTreeViewItemClicked(const QModelIndex &index) {
-    mPath = dirModel->fileInfo(index).absoluteFilePath();
-    qDebug() << "mPath" << mPath;
+    selectedPath = dirModel->fileInfo(index).absoluteFilePath();
+    qDebug() << "selectedPath" << selectedPath;
 }
 
 void FilePage::slotUpLevel() {
     QModelIndex currentRoot = dirTreeView->rootIndex();
-    mPath = dirModel->fileInfo(currentRoot.parent()).absoluteFilePath();
-    auto fileInfo = QFileInfo(mPath);
+
+    mPath = dirModel->fileInfo(currentRoot).absoluteFilePath();
+    QDir dir(mPath);
+    dir.makeAbsolute();
+    dir.setPath(QDir::cleanPath(dir.filePath(QStringLiteral(".."))));
+    mPath = dir.absolutePath();
+    auto fileInfo = QFileInfo(dir.absolutePath());
     if(fileInfo.isDir() && fileInfo.isReadable() && fileInfo.isExecutable()) {
-        dirTreeView->setRootIndex(currentRoot.parent());
         pathEdit->setText(mPath);
+        slotGoPath();
     }
     qDebug() << "Current Root mPath" << mPath;
     emit pathChanged(mPath);
@@ -124,8 +129,9 @@ void FilePage::slotUpLevel() {
 void FilePage::fileTreeViewItemDoubleClicked(const QModelIndex &index) {
     mPath = dirModel->fileInfo(index).absoluteFilePath();
     auto fileInfo = QFileInfo(mPath);
+    auto targetModelIndex = dirTreeView->model()->index(index.row(), 0, index.parent());
     if(fileInfo.isDir() && fileInfo.isReadable() && fileInfo.isExecutable()) {
-        dirTreeView->setRootIndex(index);
+        dirTreeView->setRootIndex(targetModelIndex);
         pathEdit->setText(mPath);
     }
     qDebug() << "Index mPath" << mPath;
@@ -133,7 +139,7 @@ void FilePage::fileTreeViewItemDoubleClicked(const QModelIndex &index) {
 }
 
 QString FilePage::getSelected() const {
-    return mPath;
+    return selectedPath;
 }
 
 void FilePage::slotGoPath() {
@@ -177,10 +183,10 @@ void FilePage::createPopupMenu() {
 
 void FilePage::onCustomContextMenu(const QPoint &point) {
     QModelIndex index = dirTreeView->indexAt(point);
-    mPath = dirModel->fileInfo(index).absoluteFilePath();
-    qDebug() << "Right Click" <<  mPath;
+    selectedPath = dirModel->fileInfo(index).absoluteFilePath();
+    qDebug() << "Right Click" <<  selectedPath;
     if (index.isValid()) {
-        QFileInfo info(mPath);
+        QFileInfo info(selectedPath);
         encryptItemAct->setEnabled(info.isFile() && (info.suffix() != "gpg" && info.suffix() != "sig"));
         decryptItemAct->setEnabled(info.isFile() && info.suffix() == "gpg");
         signItemAct->setEnabled(info.isFile() && (info.suffix() != "gpg" && info.suffix() != "sig"));
@@ -252,3 +258,10 @@ void FilePage::slotVerifyItem() {
     if(mainWindow != nullptr)
         mainWindow->slotFileVerify();
 }
+
+void FilePage::keyPressEvent(QKeyEvent *event) {
+    qDebug() << "Key Press" << event->key();
+    if(event->key() == Qt::Key_Return || event->key() == Qt::Key_Enter) {
+        slotGoPath();
+    }
+}
diff --git a/src/ui/widgets/TextEdit.cpp b/src/ui/widgets/TextEdit.cpp
index c9968565..eab0f799 100644
--- a/src/ui/widgets/TextEdit.cpp
+++ b/src/ui/widgets/TextEdit.cpp
@@ -637,7 +637,7 @@ void TextEdit::slotFilePagePathChanged(const QString &path) {
   int index = tabWidget->currentIndex();
   QString mPath;
   QFileInfo fileInfo(path);
-  QString tPath = fileInfo.path();
+  QString tPath = fileInfo.absoluteFilePath();
   if (path.size() > 18) {
     mPath = tPath.mid(tPath.size() - 18, 18).prepend("...");
   } else {