Fix SSH Agent broken decrypt button (#10638)

* SSH Agent: Fix broken decrypt button (Fixes #10637)

---------

Co-authored-by: Jonathan White <support@dmapps.us>

share/translations/keepassxc_en.ts

@@ -2556,10 +2556,6 @@ Disable safe saves and try again?</source>
         <source>n/a</source>
         <translation type="unfinished"></translation>
     </message>
-    <message>
-        <source>(encrypted)</source>
-        <translation type="unfinished"></translation>
-    </message>
     <message>
         <source>Select private key</source>
         <translation type="unfinished"></translation>
@@ -2669,6 +2665,10 @@ Would you like to correct it?</source>
             <numerusform></numerusform>
         </translation>
     </message>
+    <message>
+        <source>Failed to decrypt SSH key, ensure password is correct.</source>
+        <translation type="unfinished"></translation>
+    </message>
 </context>
 <context>
     <name>EditEntryWidgetAdvanced</name>
@@ -6204,6 +6204,10 @@ We recommend you use the AppImage available on our downloads page.</source>
         <source>Unexpected EOF when writing private key</source>
         <translation type="unfinished"></translation>
     </message>
+    <message>
+        <source>(encrypted)</source>
+        <translation type="unfinished"></translation>
+    </message>
 </context>
 <context>
     <name>OpenSSHKeyGenDialog</name>

src/gui/entry/EditEntryWidget.cpp

@@ -661,23 +661,17 @@ void EditEntryWidget::updateSSHAgentKeyInfo()
     if (!key.fingerprint().isEmpty()) {
         m_sshAgentUi->fingerprintTextLabel->setText(key.fingerprint(QCryptographicHash::Md5) + "\n"
                                                     + key.fingerprint(QCryptographicHash::Sha256));
-    } else {
-        m_sshAgentUi->fingerprintTextLabel->setText(tr("(encrypted)"));
     }
 
-    if (!key.comment().isEmpty() || !key.encrypted()) {
+    if (!key.comment().isEmpty()) {
         m_sshAgentUi->commentTextLabel->setText(key.comment());
-    } else {
-        m_sshAgentUi->commentTextLabel->setText(tr("(encrypted)"));
-        m_sshAgentUi->decryptButton->setEnabled(true);
     }
 
+    m_sshAgentUi->decryptButton->setEnabled(key.encrypted());
+
     if (!key.publicKey().isEmpty()) {
         m_sshAgentUi->publicKeyEdit->document()->setPlainText(key.publicKey());
         m_sshAgentUi->copyToClipboardButton->setEnabled(true);
-    } else {
-        m_sshAgentUi->publicKeyEdit->document()->setPlainText(tr("(encrypted)"));
-        m_sshAgentUi->copyToClipboardButton->setDisabled(true);
     }
 
     // enable agent buttons only if we have an agent running
@@ -791,6 +785,7 @@ void EditEntryWidget::decryptPrivateKey()
     OpenSSHKey key;
 
     if (!getOpenSSHKey(key, true)) {
+        showMessage(tr("Failed to decrypt SSH key, ensure password is correct."), MessageWidget::Error);
         return;
     }
 
@@ -804,6 +799,7 @@ void EditEntryWidget::decryptPrivateKey()
                                                 + key.fingerprint(QCryptographicHash::Sha256));
     m_sshAgentUi->publicKeyEdit->document()->setPlainText(key.publicKey());
     m_sshAgentUi->copyToClipboardButton->setEnabled(true);
+    m_sshAgentUi->decryptButton->setEnabled(false);
 }
 
 void EditEntryWidget::copyPublicKey()

src/sshagent/KeeAgentSettings.cpp

@@ -490,11 +490,7 @@ bool KeeAgentSettings::toOpenSSHKey(const QString& username,
     }
 
     if (key.comment().isEmpty()) {
-        key.setComment(username);
+        key.setComment(QString("%1@%2").arg(username, fileName));
-    }
-
-    if (key.comment().isEmpty()) {
-        key.setComment(fileName);
     }
 
     return true;

src/sshagent/OpenSSHKey.cpp

@@ -84,7 +84,7 @@ const QString OpenSSHKey::type() const
 const QString OpenSSHKey::fingerprint(QCryptographicHash::Algorithm algo) const
 {
     if (m_rawPublicData.isEmpty()) {
-        return {};
+        return tr("(encrypted)");
     }
 
     QByteArray publicKey;
@@ -351,6 +351,8 @@ bool OpenSSHKey::parsePKCS1PEM(const QByteArray& in)
     // load private if no encryption
     if (!encrypted()) {
         return openKey();
+    } else {
+        m_comment = tr("(encrypted)");
     }
 
     return true;