diff --git a/src/crypto/gui/certificatelineedit.cpp b/src/crypto/gui/certificatelineedit.cpp
index a6af8aaed..255252c39 100644
--- a/src/crypto/gui/certificatelineedit.cpp
+++ b/src/crypto/gui/certificatelineedit.cpp
@@ -1,450 +1,501 @@
 /*  crypto/gui/certificatelineedit.cpp
 
     This file is part of Kleopatra, the KDE keymanager
     SPDX-FileCopyrightText: 2016 Bundesamt für Sicherheit in der Informationstechnik
     SPDX-FileContributor: Intevation GmbH
     SPDX-FileCopyrightText: 2021, 2022 g10 Code GmbH
     SPDX-FileContributor: Ingo Klöcker <dev@ingo-kloecker.de>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include "certificatelineedit.h"
 
+#include "commands/detailscommand.h"
+#include "dialogs/groupdetailsdialog.h"
+
 #include <QCompleter>
 #include <QPushButton>
 #include <QAction>
 #include <QSignalBlocker>
 
 #include "kleopatra_debug.h"
 
 #include <Libkleo/KeyCache>
 #include <Libkleo/KeyFilter>
 #include <Libkleo/KeyGroup>
 #include <Libkleo/KeyList>
 #include <Libkleo/KeyListModel>
 #include <Libkleo/KeyListSortFilterProxyModel>
 #include <Libkleo/Formatting>
 
 #include <KLocalizedString>
 
 #include <gpgme++/key.h>
 
 #include <QGpgME/KeyForMailboxJob>
 #include <QGpgME/Protocol>
 
 #include <QHBoxLayout>
 #include <QLabel>
 #include <QLineEdit>
+#include <QMenu>
 #include <QToolButton>
 
 using namespace Kleo;
 using namespace GpgME;
 
 Q_DECLARE_METATYPE(GpgME::Key)
 Q_DECLARE_METATYPE(KeyGroup)
 
 static QStringList s_lookedUpKeys;
 
 namespace
 {
 class CompletionProxyModel : public KeyListSortFilterProxyModel
 {
     Q_OBJECT
 
 public:
     CompletionProxyModel(QObject *parent = nullptr)
         : KeyListSortFilterProxyModel(parent)
     {
     }
 
     int columnCount(const QModelIndex &parent = QModelIndex()) const override
     {
         Q_UNUSED(parent)
         // pretend that there is only one column to workaround a bug in
         // QAccessibleTable which provides the accessibility interface for the
         // completion pop-up
         return 1;
     }
 
     QVariant data(const QModelIndex &idx, int role) const override
     {
         if (!idx.isValid()) {
             return QVariant();
         }
 
         switch (role) {
         case Qt::DecorationRole: {
             const auto key = KeyListSortFilterProxyModel::data(idx, KeyList::KeyRole).value<GpgME::Key>();
             if (!key.isNull()) {
                 return Kleo::Formatting::iconForUid(key.userID(0));
             }
 
             const auto group = KeyListSortFilterProxyModel::data(idx, KeyList::GroupRole).value<KeyGroup>();
             if (!group.isNull()) {
                 return QIcon::fromTheme(QStringLiteral("group"));
             }
 
             Q_ASSERT(!key.isNull() || !group.isNull());
             return QVariant();
         }
         default:
             return KeyListSortFilterProxyModel::data(index(idx.row(), KeyList::Summary), role);
         }
     }
 };
+
+auto createSeparatorAction(QObject *parent)
+{
+    auto action = new QAction{parent};
+    action->setSeparator(true);
+    return action;
+}
 } // namespace
 
 class CertificateLineEdit::Private
 {
     CertificateLineEdit *q;
 
 public:
     explicit Private(CertificateLineEdit *qq, AbstractKeyListModel *model, KeyFilter *filter);
 
     QString text() const;
 
     void setKey(const GpgME::Key &key);
 
     void setGroup(const KeyGroup &group);
 
     void setKeyFilter(const std::shared_ptr<KeyFilter> &filter);
 
     void updateKey();
     void editChanged();
     void editFinished();
     void checkLocate();
 
 private:
+    void openDetailsDialog();
     void setTextWithBlockedSignals(const QString &s);
+    void showContextMenu(const QPoint &pos);
 
 public:
     GpgME::Key mKey;
     KeyGroup mGroup;
 
 private:
     struct Ui {
         Ui(QWidget *parent)
             : lineEdit{parent}
             , button{parent}
         {}
 
         QLineEdit lineEdit;
         QToolButton button;
     } ui;
 
     KeyListSortFilterProxyModel *const mFilterModel;
     KeyListSortFilterProxyModel *const mCompleterFilterModel;
     QCompleter *mCompleter = nullptr;
     std::shared_ptr<KeyFilter> mFilter;
     bool mEditStarted = false;
     bool mEditFinished = false;
     QAction *const mLineAction;
+    QAction *const mShowDetailsAction;
 };
 
 CertificateLineEdit::Private::Private(CertificateLineEdit *qq, AbstractKeyListModel *model, KeyFilter *filter)
     : q{qq}
     , ui{qq}
     , mFilterModel{new KeyListSortFilterProxyModel{qq}}
     , mCompleterFilterModel{new CompletionProxyModel{qq}}
     , mCompleter{new QCompleter{qq}}
     , mFilter{std::shared_ptr<KeyFilter>{filter}}
     , mLineAction{new QAction{qq}}
+    , mShowDetailsAction{new QAction{qq}}
 {
     ui.lineEdit.setPlaceholderText(i18n("Please enter a name or email address..."));
     ui.lineEdit.setClearButtonEnabled(true);
+    ui.lineEdit.setContextMenuPolicy(Qt::CustomContextMenu);
     ui.lineEdit.addAction(mLineAction, QLineEdit::LeadingPosition);
 
     mCompleterFilterModel->setKeyFilter(mFilter);
     mCompleterFilterModel->setSourceModel(model);
     mCompleter->setModel(mCompleterFilterModel);
     mCompleter->setFilterMode(Qt::MatchContains);
     mCompleter->setCaseSensitivity(Qt::CaseInsensitive);
     ui.lineEdit.setCompleter(mCompleter);
 
     ui.button.setIcon(QIcon::fromTheme(QStringLiteral("resource-group-new")));
     ui.button.setToolTip(i18n("Show certificate list"));
     ui.button.setAccessibleName(i18n("Show certificate list"));
 
     auto l = new QHBoxLayout{q};
     l->setContentsMargins(0, 0, 0, 0);
     l->addWidget(&ui.lineEdit);
     l->addWidget(&ui.button);
 
     q->setFocusPolicy(ui.lineEdit.focusPolicy());
     q->setFocusProxy(&ui.lineEdit);
 
+    mShowDetailsAction->setIcon(QIcon::fromTheme(QStringLiteral("help-about")));
+    mShowDetailsAction->setText(i18nc("@action:inmenu", "Show Details"));
+    mShowDetailsAction->setEnabled(false);
+
     mFilterModel->setSourceModel(model);
     mFilterModel->setFilterKeyColumn(KeyList::Summary);
     if (filter) {
         mFilterModel->setKeyFilter(mFilter);
     }
 
     connect(KeyCache::instance().get(), &Kleo::KeyCache::keyListingDone,
             q, [this]() { updateKey(); });
     connect(KeyCache::instance().get(), &Kleo::KeyCache::groupUpdated,
             q, [this](const KeyGroup &group) {
                 if (!mGroup.isNull() && mGroup.source() == group.source() && mGroup.id() == group.id()) {
                     setTextWithBlockedSignals(Formatting::summaryLine(group));
                     // queue the update to ensure that the model has been updated
                     QMetaObject::invokeMethod(q, [this]() { updateKey(); }, Qt::QueuedConnection);
                 }
             });
     connect(KeyCache::instance().get(), &Kleo::KeyCache::groupRemoved,
             q, [this](const KeyGroup &group) {
                 if (!mGroup.isNull() && mGroup.source() == group.source() && mGroup.id() == group.id()) {
                     mGroup = KeyGroup();
                     QSignalBlocker blocky{&ui.lineEdit};
                     ui.lineEdit.clear();
                     // queue the update to ensure that the model has been updated
                     QMetaObject::invokeMethod(q, [this]() { updateKey(); }, Qt::QueuedConnection);
                 }
             });
     connect(&ui.lineEdit, &QLineEdit::editingFinished,
             q, [this]() {
                 // queue the call of editFinished() to ensure that QCompleter::activated is handled first
                 QMetaObject::invokeMethod(q, [this]() { editFinished(); }, Qt::QueuedConnection);
             });
     connect(&ui.lineEdit, &QLineEdit::textChanged,
             q, [this]() { editChanged(); });
+    connect(&ui.lineEdit, &QLineEdit::customContextMenuRequested,
+            q, [this](const QPoint &pos) { showContextMenu(pos); });
     connect(mLineAction, &QAction::triggered,
             q, &CertificateLineEdit::dialogRequested);
+    connect(mShowDetailsAction, &QAction::triggered,
+            q, [this]() { openDetailsDialog(); });
     connect(&ui.button, &QToolButton::clicked,
             q, &CertificateLineEdit::certificateSelectionRequested);
     connect(mCompleter, qOverload<const QModelIndex &>(&QCompleter::activated),
             q, [this] (const QModelIndex &index) {
                 Key key = mCompleter->completionModel()->data(index, KeyList::KeyRole).value<Key>();
                 auto group = mCompleter->completionModel()->data(index, KeyList::GroupRole).value<KeyGroup>();
                 if (!key.isNull()) {
                     q->setKey(key);
                 } else if (!group.isNull()) {
                     q->setGroup(group);
                 } else {
                     qCDebug(KLEOPATRA_LOG) << "Activated item is neither key nor group";
                 }
             });
     updateKey();
 }
 
+void CertificateLineEdit::Private::openDetailsDialog()
+{
+    if (!q->key().isNull()) {
+        auto cmd = new Commands::DetailsCommand{q->key(), nullptr};
+        cmd->setParentWidget(q);
+        cmd->start();
+    } else if (!q->group().isNull()) {
+        auto dlg = new Dialogs::GroupDetailsDialog{q};
+        dlg->setAttribute(Qt::WA_DeleteOnClose);
+        dlg->setGroup(q->group());
+        dlg->show();
+    }
+}
+
 void CertificateLineEdit::Private::setTextWithBlockedSignals(const QString &s)
 {
     QSignalBlocker blocky{&ui.lineEdit};
     ui.lineEdit.setText(s);
 }
 
+void CertificateLineEdit::Private::showContextMenu(const QPoint &pos)
+{
+    if (QMenu *menu = ui.lineEdit.createStandardContextMenu()) {
+        auto *const firstStandardAction = menu->actions().value(0);
+        menu->insertActions(firstStandardAction,
+                            {mShowDetailsAction, createSeparatorAction(menu)});
+        menu->setAttribute(Qt::WA_DeleteOnClose);
+        menu->popup(ui.lineEdit.mapToGlobal(pos));
+    }
+}
+
 CertificateLineEdit::CertificateLineEdit(AbstractKeyListModel *model,
                                          KeyFilter *filter,
                                          QWidget *parent)
     : QWidget{parent}
     , d{new Private{this, model, filter}}
 {
     /* Take ownership of the model to prevent double deletion when the
      * filter models are deleted */
     model->setParent(parent ? parent : this);
 }
 
 CertificateLineEdit::~CertificateLineEdit() = default;
 
 void CertificateLineEdit::Private::editChanged()
 {
     mEditFinished = false;
     updateKey();
     if (!mEditStarted) {
         Q_EMIT q->editingStarted();
         mEditStarted = true;
     }
 }
 
 void CertificateLineEdit::Private::editFinished()
 {
     mEditStarted = false;
     mEditFinished = true;
     updateKey();
     if (!q->key().isNull()) {
         setTextWithBlockedSignals(Formatting::summaryLine(q->key()));
     } else if (!q->group().isNull()) {
         setTextWithBlockedSignals(Formatting::summaryLine(q->group()));
     } else {
         checkLocate();
     }
 }
 
 void CertificateLineEdit::Private::checkLocate()
 {
     if (!q->key().isNull() || !q->group().isNull()) {
         // Already have a key or group
         return;
     }
 
     // Only check once per mailbox
     const auto mailText = ui.lineEdit.text();
     if (s_lookedUpKeys.contains(mailText)) {
         return;
     }
     s_lookedUpKeys << mailText;
     qCDebug(KLEOPATRA_LOG) << "Lookup job for" << mailText;
     QGpgME::KeyForMailboxJob *job = QGpgME::openpgp()->keyForMailboxJob();
     job->start(mailText);
 }
 
 void CertificateLineEdit::Private::updateKey()
 {
     static const _detail::ByFingerprint<std::equal_to> keysHaveSameFingerprint;
 
     const auto mailText = ui.lineEdit.text();
     auto newKey = Key();
     auto newGroup = KeyGroup();
     if (mailText.isEmpty()) {
         mLineAction->setIcon(QIcon::fromTheme(QStringLiteral("resource-group-new")));
         mLineAction->setToolTip(i18n("Open selection dialog."));
         ui.lineEdit.setToolTip({});
     } else {
         mFilterModel->setFilterFixedString(mailText);
         if (mFilterModel->rowCount() > 1) {
             // keep current key or group if they still match
             if (!mKey.isNull()) {
                 for (int row = 0; row < mFilterModel->rowCount(); ++row) {
                     const QModelIndex index = mFilterModel->index(row, 0);
                     Key key = mFilterModel->key(index);
                     if (!key.isNull() && keysHaveSameFingerprint(key, mKey)) {
                         newKey = mKey;
                         break;
                     }
                 }
             } else if (!mGroup.isNull()) {
                 newGroup = mGroup;
                 for (int row = 0; row < mFilterModel->rowCount(); ++row) {
                     const QModelIndex index = mFilterModel->index(row, 0);
                     KeyGroup group = mFilterModel->group(index);
                     if (!group.isNull() && group.source() == mGroup.source() && group.id() == mGroup.id()) {
                         newGroup = mGroup;
                         break;
                     }
                 }
             }
             if (newKey.isNull() && newGroup.isNull()) {
                 if (mEditFinished) {
                     mLineAction->setIcon(QIcon::fromTheme(QStringLiteral("question")));
                     mLineAction->setToolTip(i18n("Multiple matching certificates found"));
                     ui.lineEdit.setToolTip(i18n("Multiple matching certificates found"));
                 } else {
                     mLineAction->setIcon(QIcon::fromTheme(QStringLiteral("resource-group-new")));
                     mLineAction->setToolTip(i18n("Open selection dialog."));
                     ui.lineEdit.setToolTip({});
                 }
             }
         } else if (mFilterModel->rowCount() == 1) {
             const auto index = mFilterModel->index(0, 0);
             newKey = mFilterModel->data(index, KeyList::KeyRole).value<Key>();
             newGroup = mFilterModel->data(index, KeyList::GroupRole).value<KeyGroup>();
             Q_ASSERT(!newKey.isNull() || !newGroup.isNull());
             if (newKey.isNull() && newGroup.isNull()) {
                 mLineAction->setIcon(QIcon::fromTheme(QStringLiteral("emblem-error")));
                 mLineAction->setToolTip(i18n("No matching certificates found.<br/>Click to import a certificate."));
                 ui.lineEdit.setToolTip(i18n("No matching certificates found"));
             }
         } else {
             mLineAction->setIcon(QIcon::fromTheme(QStringLiteral("emblem-error")));
             mLineAction->setToolTip(i18n("No matching certificates found.<br/>Click to import a certificate."));
             ui.lineEdit.setToolTip(i18n("No matching certificates found"));
         }
     }
     mKey = newKey;
     mGroup = newGroup;
 
     if (!mKey.isNull()) {
         /* FIXME: This needs to be solved by a multiple UID supporting model */
         mLineAction->setIcon(Formatting::iconForUid(mKey.userID(0)));
         mLineAction->setToolTip(Formatting::validity(mKey.userID(0)) +
                                 QLatin1String("<br/>") + i18n("Click for details."));
         ui.lineEdit.setToolTip(Formatting::toolTip(mKey, Formatting::ToolTipOption::AllOptions));
     } else if (!mGroup.isNull()) {
         mLineAction->setIcon(Formatting::validityIcon(mGroup));
         mLineAction->setToolTip(Formatting::validity(mGroup) +
                                 QLatin1String("<br/>") + i18n("Click for details."));
         ui.lineEdit.setToolTip(Formatting::toolTip(mGroup, Formatting::ToolTipOption::AllOptions));
     }
 
+    mShowDetailsAction->setEnabled(!mKey.isNull() || !mGroup.isNull());
+
     Q_EMIT q->keyChanged();
 
     if (mailText.isEmpty()) {
         Q_EMIT q->wantsRemoval(q);
     }
 }
 
 Key CertificateLineEdit::key() const
 {
     if (isEnabled()) {
         return d->mKey;
     } else {
         return Key();
     }
 }
 
 KeyGroup CertificateLineEdit::group() const
 {
     if (isEnabled()) {
         return d->mGroup;
     } else {
         return KeyGroup();
     }
 }
 
 QString CertificateLineEdit::Private::text() const
 {
     return ui.lineEdit.text();
 }
 
 QString CertificateLineEdit::text() const
 {
     return d->text();
 }
 
 void CertificateLineEdit::Private::setKey(const Key &key)
 {
     mKey = key;
     mGroup = KeyGroup();
     qCDebug(KLEOPATRA_LOG) << "Setting Key. " << Formatting::summaryLine(key);
     setTextWithBlockedSignals(Formatting::summaryLine(key));
     updateKey();
 }
 
 void CertificateLineEdit::setKey(const Key &key)
 {
     d->setKey(key);
 }
 
 void CertificateLineEdit::Private::setGroup(const KeyGroup &group)
 {
     mGroup = group;
     mKey = Key();
     const QString summary = Formatting::summaryLine(group);
     qCDebug(KLEOPATRA_LOG) << "Setting KeyGroup. " << summary;
     setTextWithBlockedSignals(summary);
     updateKey();
 }
 
 void CertificateLineEdit::setGroup(const KeyGroup &group)
 {
     d->setGroup(group);
 }
 
 bool CertificateLineEdit::isEmpty() const
 {
     return text().isEmpty();
 }
 
 void CertificateLineEdit::Private::setKeyFilter(const std::shared_ptr<KeyFilter> &filter)
 {
     mFilter = filter;
     mFilterModel->setKeyFilter(filter);
     mCompleterFilterModel->setKeyFilter(mFilter);
     updateKey();
 }
 
 void CertificateLineEdit::setKeyFilter(const std::shared_ptr<KeyFilter> &filter)
 {
     d->setKeyFilter(filter);
 }
 
 #include "certificatelineedit.moc"