diff --git a/CMakeLists.txt b/CMakeLists.txt
index e9cf9bdf7..c799d765d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,219 +1,212 @@
 # SPDX-FileCopyrightText: none
 # SPDX-License-Identifier: BSD-3-Clause
 cmake_minimum_required(VERSION 3.16 FATAL_ERROR)
 
 set(RELEASE_SERVICE_VERSION_MAJOR "22")
 set(RELEASE_SERVICE_VERSION_MINOR "07")
 set(RELEASE_SERVICE_VERSION_MICRO "70")
 
 # The RELEASE_SERVICE_VERSION is used by Gpg4win to add the Gpg4win version
 if (NOT RELEASE_SERVICE_VERSION)
     set(RELEASE_SERVICE_VERSION "${RELEASE_SERVICE_VERSION_MAJOR}.${RELEASE_SERVICE_VERSION_MINOR}.${RELEASE_SERVICE_VERSION_MICRO}")
 endif()
 if(RELEASE_SERVICE_VERSION_MICRO LESS 10)
     set(KDE_APPLICATIONS_COMPACT_VERSION "${RELEASE_SERVICE_VERSION_MAJOR}${RELEASE_SERVICE_VERSION_MINOR}0${RELEASE_SERVICE_VERSION_MICRO}")
 else()
     set(KDE_APPLICATIONS_COMPACT_VERSION "${RELEASE_SERVICE_VERSION_MAJOR}${RELEASE_SERVICE_VERSION_MINOR}${RELEASE_SERVICE_VERSION_MICRO}")
 endif()
 
 set(KLEOPATRA_VERSION_MAJOR "3")
 set(KLEOPATRA_VERSION_MINOR "1")
 set(KLEOPATRA_VERSION_MICRO "21")
 
 set(kleopatra_version "${KLEOPATRA_VERSION_MAJOR}.${KLEOPATRA_VERSION_MINOR}.${KLEOPATRA_VERSION_MICRO}.${KDE_APPLICATIONS_COMPACT_VERSION}")
 # The following is for Windows
 set(kleopatra_version_win "${KLEOPATRA_VERSION_MAJOR}.${KLEOPATRA_VERSION_MINOR}.${KLEOPATRA_VERSION_MICRO}")
 set(kleopatra_fileversion_win "${KLEOPATRA_VERSION_MAJOR},${KLEOPATRA_VERSION_MINOR},${KLEOPATRA_VERSION_MICRO},0")
 
 project(kleopatra VERSION ${kleopatra_version})
 
 option(DISABLE_KWATCHGNUPG "Don't build the kwatchgnupg tool [default=OFF]" OFF)
 
 # Standalone build. Find / include everything necessary.
 set(KF5_MIN_VERSION "5.92.0")
 set(KMIME_VERSION "5.20.40")
 set(LIBKLEO_VERSION "5.20.41")
 set(QT_REQUIRED_VERSION "5.15.2")
-set(GPGME_REQUIRED_VERSION "1.15.0")
+set(GPGME_REQUIRED_VERSION "1.16.0")
 
 if (WIN32)
   set(KF5_WANT_VERSION "5.70.0")
   set(KMIME_WANT_VERSION "5.12.0")
 else ()
   set(KF5_WANT_VERSION ${KF5_MIN_VERSION})
   set(KMIME_WANT_VERSION ${KMIME_VERSION})
 endif ()
 
 find_package(ECM ${KF5_WANT_VERSION} CONFIG REQUIRED)
 set(CMAKE_MODULE_PATH ${ECM_MODULE_PATH})
 set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules ${CMAKE_MODULE_PATH})
 
 include(ECMInstallIcons)
 include(ECMSetupVersion)
 include(ECMAddTests)
 include(GenerateExportHeader)
 include(ECMGenerateHeaders)
 include(FeatureSummary)
 include(CheckFunctionExists)
 include(KDEInstallDirs)
 include(KDECMakeSettings)
 include(KDECompilerSettings NO_POLICY_SCOPE)
 include(ECMAddAppIcon)
 include(ECMQtDeclareLoggingCategory)
 include(ECMDeprecationSettings)
 
 # Find KF5 packages
 find_package(KF5WidgetsAddons ${KF5_WANT_VERSION} CONFIG REQUIRED)
 find_package(KF5ConfigWidgets ${KF5_WANT_VERSION} CONFIG REQUIRED)
 find_package(KF5CoreAddons ${KF5_WANT_VERSION} CONFIG REQUIRED)
 find_package(KF5Codecs ${KF5_WANT_VERSION} CONFIG REQUIRED)
 find_package(KF5Config ${KF5_WANT_VERSION} CONFIG REQUIRED)
 find_package(KF5I18n ${KF5_WANT_VERSION} CONFIG REQUIRED)
 find_package(KF5IconThemes ${KF5_WANT_VERSION} CONFIG REQUIRED)
 find_package(KF5ItemModels ${KF5_WANT_VERSION} CONFIG REQUIRED)
 find_package(KF5XmlGui ${KF5_WANT_VERSION} CONFIG REQUIRED)
 find_package(KF5WindowSystem ${KF5_WANT_VERSION} CONFIG REQUIRED)
 find_package(KF5DocTools ${KF5_WANT_VERSION} CONFIG)
 find_package(KF5Crash ${KF5_WANT_VERSION} REQUIRED)
 
 set_package_properties(KF5DocTools PROPERTIES
     DESCRIPTION "Documentation tools"
     PURPOSE "Required to generate Kleopatra documentation."
     TYPE OPTIONAL)
 
 # Optional packages
 if (WIN32)
   # Only a replacement available for Windows so this
   # is required on other platforms.
   find_package(KF5DBusAddons ${KF5_WANT_VERSION} CONFIG)
   set_package_properties(KF5DBusAddons PROPERTIES DESCRIPTION "Support library to work with DBus"
                          PURPOSE "DBus session integration"
                          URL "https://inqlude.org/libraries/kdbusaddons.html"
                          TYPE OPTIONAL)
 else()
   find_package(KF5DBusAddons ${KF5_WANT_VERSION} CONFIG REQUIRED)
   set(_kleopatra_dbusaddons_libs KF5::DBusAddons)
 endif()
 
 set(HAVE_QDBUS ${Qt${QT_MAJOR_VERSION}DBus_FOUND})
 
 find_package(Gpgmepp ${GPGME_REQUIRED_VERSION} CONFIG REQUIRED)
-if (Gpgmepp_VERSION VERSION_GREATER_EQUAL "1.16.0")
-    set(GPGMEPP_SUPPORTS_TRUST_SIGNATURES 1)
-endif()
 find_package(QGpgme ${GPGME_REQUIRED_VERSION} CONFIG REQUIRED)
-if (QGpgme_VERSION VERSION_GREATER_EQUAL "1.16.0")
-    set(QGPGME_SUPPORTS_TRUST_SIGNATURES 1)
-    set(QGPGME_SUPPORTS_SIGNATURE_EXPIRATION 1)
-endif()
 if (QGpgme_VERSION VERSION_GREATER_EQUAL "1.17.0")
     set(QGPGME_SUPPORTS_CHANGING_EXPIRATION_OF_COMPLETE_KEY 1)
     set(QGPGME_CRYPTOCONFIGENTRY_HAS_DEFAULT_VALUE 1)
     set(QGPGME_SUPPORTS_WKDLOOKUP 1)
     set(QGPGME_SUPPORTS_IMPORT_WITH_FILTER 1)
     set(QGPGME_SUPPORTS_IMPORT_WITH_KEY_ORIGIN 1)
     set(QGPGME_SUPPORTS_SECRET_KEY_EXPORT 1)
     set(QGPGME_SUPPORTS_SECRET_SUBKEY_EXPORT 1)
     set(QGPGME_SUPPORTS_RECEIVING_KEYS_BY_KEY_ID 1)
 endif()
 if (QGpgme_VERSION VERSION_GREATER_EQUAL "1.17.2")
     set(QGPGME_SUPPORTS_KEY_REVOCATION 1)
 endif()
 
 # Kdepimlibs packages
 find_package(KF5Libkleo ${LIBKLEO_VERSION} CONFIG REQUIRED)
 find_package(KF5Mime ${KMIME_WANT_VERSION} CONFIG REQUIRED)
 
 find_package(Qt${QT_MAJOR_VERSION} ${QT_REQUIRED_VERSION} CONFIG REQUIRED Widgets Test Network PrintSupport)
 
 find_package(Assuan2 REQUIRED)
 
 
 set(kleopatra_release FALSE)
 
 if(NOT kleopatra_release)
     find_package(Git)
     if(GIT_FOUND)
         execute_process(COMMAND ${GIT_EXECUTABLE} rev-parse
                         WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
                         RESULT_VARIABLE rc
                         ERROR_QUIET)
         if(rc EQUAL 0)
             execute_process(COMMAND ${GIT_EXECUTABLE} log -1 --oneline --format=%h ${CMAKE_CURRENT_SOURCE_DIR}
                 WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
                 OUTPUT_VARIABLE Kleopatra_WC_REVISION)
             string(REGEX REPLACE "\n" "" Kleopatra_WC_REVISION "${Kleopatra_WC_REVISION}")
 
             execute_process(COMMAND ${GIT_EXECUTABLE} log -1 --oneline --format=%cI ${CMAKE_CURRENT_SOURCE_DIR}
                 WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
                 OUTPUT_VARIABLE Kleopatra_WC_LAST_CHANGED_DATE)
             string(REGEX REPLACE "^([0-9]+)-([0-9]+)-([0-9]+)T([0-9]+):([0-9]+):([0-9]+).*$" "\\1\\2\\3T\\4\\5\\6"
                    Kleopatra_WC_LAST_CHANGED_DATE "${Kleopatra_WC_LAST_CHANGED_DATE}")
 
             set(kleopatra_version "${kleopatra_version}+git${Kleopatra_WC_LAST_CHANGED_DATE}~${Kleopatra_WC_REVISION}")
         endif()
     endif()
 endif()
 
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/version-kleopatra.h.cmake ${CMAKE_CURRENT_BINARY_DIR}/version-kleopatra.h)
 
 include (ConfigureChecks.cmake)
 
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/config-kleopatra.h.cmake ${CMAKE_CURRENT_BINARY_DIR}/config-kleopatra.h)
 include_directories(
     ${CMAKE_CURRENT_BINARY_DIR}
     ${CMAKE_CURRENT_SOURCE_DIR}
     ${ASSUAN2_INCLUDES}
     )
 
 add_definitions(-D_ASSUAN_ONLY_GPG_ERRORS)
 ecm_set_disabled_deprecation_versions(QT 5.14.0 KF 5.93.0)
 
 if(CMAKE_COMPILER_IS_GNUCXX)
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-missing-braces -Wno-parentheses -Wno-ignored-qualifiers")
 endif()
 add_definitions(-DQT_NO_EMIT)
 remove_definitions(-DQT_NO_FOREACH)
 
 # Disable the use of QStringBuilder for operator+ to prevent crashes when
 # returning the result of concatenating string temporaries in lambdas. We do
 # this for example in some std::transform expressions.
 # This is a known issue: https://bugreports.qt.io/browse/QTBUG-47066
 # Alternatively, one would always have to remember to force the lambdas to
 # return a QString instead of QStringBuilder, but that's just too easy to
 # forget and, unfortunately, the compiler doesn't issue a warning if one forgets
 # this. So, it's just too dangerous.
 # One can still use QStringBuilder explicitly with the operator% if necessary.
 remove_definitions(-DQT_USE_FAST_OPERATOR_PLUS)
 remove_definitions(-DQT_USE_QSTRINGBUILDER)
 
 kde_enable_exceptions()
 option(USE_UNITY_CMAKE_SUPPORT "Use UNITY cmake support (speedup compile time)" OFF)
 
 set(COMPILE_WITH_UNITY_CMAKE_SUPPORT OFF)
 if (USE_UNITY_CMAKE_SUPPORT)
     set(COMPILE_WITH_UNITY_CMAKE_SUPPORT ON)
 endif()
 
 
 add_subdirectory(pics)
 add_subdirectory(src)
 
 if(BUILD_TESTING)
     add_subdirectory(tests)
     add_subdirectory(autotests)
 endif()
 
 ecm_qt_install_logging_categories(
         EXPORT KLEOPATRA
         FILE kleopatra.categories
         DESTINATION ${KDE_INSTALL_LOGGINGCATEGORIESDIR}
         )
 
 ki18n_install(po)
 if(KF5DocTools_FOUND)
     kdoctools_install(po)
     add_subdirectory(doc)
 endif()
 feature_summary(WHAT ALL FATAL_ON_MISSING_REQUIRED_PACKAGES)
 
diff --git a/config-kleopatra.h.cmake b/config-kleopatra.h.cmake
index fabfc7b3d..fd9a9edb4 100644
--- a/config-kleopatra.h.cmake
+++ b/config-kleopatra.h.cmake
@@ -1,61 +1,52 @@
 /* Define to 1 if you have a recent enough libassuan */
 #cmakedefine HAVE_USABLE_ASSUAN 1
 
 /* Define to 1 if you have libassuan v2 */
 #cmakedefine HAVE_ASSUAN2 1
 
 #ifndef HAVE_ASSUAN2
 /* Define to 1 if your libassuan has the assuan_fd_t type  */
 #cmakedefine HAVE_ASSUAN_FD_T 1
 
 /* Define to 1 if your libassuan has the assuan_inquire_ext function */
 #cmakedefine HAVE_ASSUAN_INQUIRE_EXT 1
 
 /* Define to 1 if your assuan_inquire_ext puts the buffer arguments into the callback signature */
 #cmakedefine HAVE_NEW_STYLE_ASSUAN_INQUIRE_EXT 1
 
 /* Define to 1 if your libassuan has the assuan_sock_get_nonce function */
 #cmakedefine HAVE_ASSUAN_SOCK_GET_NONCE 1
 
 #endif
 /* Define to 1 if you build libkleopatraclient */
 #cmakedefine HAVE_KLEOPATRACLIENT_LIBRARY 1
 
 /* DBus available */
 #cmakedefine01 HAVE_QDBUS
 
-/* Defined if GpgME++ supports trust signatures */
-#cmakedefine GPGMEPP_SUPPORTS_TRUST_SIGNATURES 1
-
-/* Defined if QGpgME supports trust signatures */
-#cmakedefine QGPGME_SUPPORTS_TRUST_SIGNATURES 1
-
-/* Defined if QGpgME supports setting an expiration date for signatures */
-#cmakedefine QGPGME_SUPPORTS_SIGNATURE_EXPIRATION 1
-
 /* Defined if QGpgME supports changing the expiration date of the primary key and the subkeys simultaneously */
 #cmakedefine QGPGME_SUPPORTS_CHANGING_EXPIRATION_OF_COMPLETE_KEY 1
 
 /* Defined if QGpgME supports retrieving the default value of a config entry */
 #cmakedefine QGPGME_CRYPTOCONFIGENTRY_HAS_DEFAULT_VALUE 1
 
 /* Defined if QGpgME supports WKD lookup */
 #cmakedefine QGPGME_SUPPORTS_WKDLOOKUP 1
 
 /* Defined if QGpgME supports specifying an import filter when importing keys */
 #cmakedefine QGPGME_SUPPORTS_IMPORT_WITH_FILTER 1
 
 /* Defined if QGpgME supports setting key origin when importing keys */
 #cmakedefine QGPGME_SUPPORTS_IMPORT_WITH_KEY_ORIGIN 1
 
 /* Defined if QGpgME supports the export of secret keys */
 #cmakedefine QGPGME_SUPPORTS_SECRET_KEY_EXPORT 1
 
 /* Defined if QGpgME supports the export of secret subkeys */
 #cmakedefine QGPGME_SUPPORTS_SECRET_SUBKEY_EXPORT 1
 
 /* Defined if QGpgME supports receiving keys by their key ids */
 #cmakedefine QGPGME_SUPPORTS_RECEIVING_KEYS_BY_KEY_ID 1
 
 /* Defined if QGpgME supports revoking own OpenPGP keys */
 #cmakedefine QGPGME_SUPPORTS_KEY_REVOCATION 1
diff --git a/src/commands/certifycertificatecommand.cpp b/src/commands/certifycertificatecommand.cpp
index 70d9142ca..427e06673 100644
--- a/src/commands/certifycertificatecommand.cpp
+++ b/src/commands/certifycertificatecommand.cpp
@@ -1,322 +1,318 @@
 /* -*- mode: c++; c-basic-offset:4 -*-
     commands/signcertificatecommand.cpp
 
     This file is part of Kleopatra, the KDE keymanager
     SPDX-FileCopyrightText: 2008 Klarälvdalens Datakonsult AB
     SPDX-FileCopyrightText: 2019 g10code GmbH
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include <config-kleopatra.h>
 
 #include "certifycertificatecommand.h"
 #include "newcertificatecommand.h"
 
 #include "command_p.h"
 
 #include "exportopenpgpcertstoservercommand.h"
 #include "dialogs/certifycertificatedialog.h"
 #include "utils/tags.h"
 
 #include <Libkleo/KeyCache>
 #include <Libkleo/Formatting>
 
 #include <QGpgME/Protocol>
 #include <QGpgME/SignKeyJob>
 
 #include <QDate>
 #include <QEventLoop>
 
 #include <gpgme++/key.h>
 
 #include <KLocalizedString>
 #include "kleopatra_debug.h"
 
 using namespace Kleo;
 using namespace Kleo::Commands;
 using namespace GpgME;
 using namespace QGpgME;
 
 class CertifyCertificateCommand::Private : public Command::Private
 {
     friend class ::Kleo::Commands::CertifyCertificateCommand;
     CertifyCertificateCommand *q_func() const
     {
         return static_cast<CertifyCertificateCommand *>(q);
     }
 public:
     explicit Private(CertifyCertificateCommand *qq, KeyListController *c);
     ~Private() override;
 
     void init();
 
 private:
     void slotDialogRejected();
     void slotResult(const Error &err);
     void slotCertificationPrepared();
 
 private:
     void ensureDialogCreated();
     void createJob();
 
 private:
     std::vector<UserID> uids;
     QPointer<CertifyCertificateDialog> dialog;
     QPointer<QGpgME::SignKeyJob> job;
 };
 
 CertifyCertificateCommand::Private *CertifyCertificateCommand::d_func()
 {
     return static_cast<Private *>(d.get());
 }
 const CertifyCertificateCommand::Private *CertifyCertificateCommand::d_func() const
 {
     return static_cast<const Private *>(d.get());
 }
 
 #define d d_func()
 #define q q_func()
 
 CertifyCertificateCommand::Private::Private(CertifyCertificateCommand *qq, KeyListController *c)
     : Command::Private(qq, c),
       uids(),
       dialog(),
       job()
 {
 }
 
 CertifyCertificateCommand::Private::~Private()
 {
     qCDebug(KLEOPATRA_LOG);
     if (dialog) {
         delete dialog;
         dialog = nullptr;
     }
 }
 
 CertifyCertificateCommand::CertifyCertificateCommand(KeyListController *c)
     : Command(new Private(this, c))
 {
     d->init();
 }
 
 CertifyCertificateCommand::CertifyCertificateCommand(QAbstractItemView *v, KeyListController *c)
     : Command(v, new Private(this, c))
 {
     d->init();
 }
 
 CertifyCertificateCommand::CertifyCertificateCommand(const GpgME::Key &key)
     : Command(key, new Private(this, nullptr))
 {
     d->init();
 }
 
 CertifyCertificateCommand::CertifyCertificateCommand(const GpgME::UserID &uid)
     : Command(uid.parent(), new Private(this, nullptr))
 {
     std::vector<UserID>(1, uid).swap(d->uids);
     d->init();
 }
 
 CertifyCertificateCommand::CertifyCertificateCommand(const std::vector<GpgME::UserID> &uids)
     : Command(uids.empty() ? Key() : uids.front().parent(), new Private(this, nullptr))
 {
     d->uids = uids;
     d->init();
 }
 
 void CertifyCertificateCommand::Private::init()
 {
 }
 
 CertifyCertificateCommand::~CertifyCertificateCommand()
 {
     qCDebug(KLEOPATRA_LOG);
 }
 
 void CertifyCertificateCommand::doStart()
 {
 
     const std::vector<Key> keys = d->keys();
     if (keys.size() != 1 ||
             keys.front().protocol() != GpgME::OpenPGP) {
         d->finished();
         return;
     }
 
     std::vector<Key> secKeys;
     Q_FOREACH (const Key &secKey, KeyCache::instance()->secretKeys()) {
         // Only include usable keys.
         if (secKey.canCertify() && secKey.protocol() == OpenPGP && !secKey.isRevoked() &&
             !secKey.isExpired() && !secKey.isInvalid()) {
             secKeys.push_back(secKey);
         }
     }
 
     if (secKeys.empty()) {
         auto sel = KMessageBox::questionYesNo(d->parentWidgetOrView(),
                     xi18nc("@info", "To certify other certificates, you first need to create an OpenPGP certificate for yourself.") +
                     QStringLiteral("<br><br>") +
                     i18n("Do you wish to create one now?"),
                     i18n("Certification Not Possible"));
         if (sel == KMessageBox::Yes) {
             QEventLoop loop;
             auto cmd = new Commands::NewCertificateCommand();
             cmd->setParentWidget(d->parentWidgetOrView());
             cmd->setProtocol(GpgME::OpenPGP);
             loop.connect(cmd, SIGNAL(finished()), SLOT(quit()));
             QMetaObject::invokeMethod(cmd, &Commands::NewCertificateCommand::start, Qt::QueuedConnection);
             loop.exec();
         } else {
             Q_EMIT(canceled());
             d->finished();
             return;
         }
         Q_FOREACH (const Key &secKey, KeyCache::instance()->secretKeys()) {
             // Check again for secret keys
             if (secKey.canCertify() && secKey.protocol() == OpenPGP && !secKey.isRevoked() &&
                 !secKey.isExpired() && !secKey.isInvalid()) {
                 secKeys.push_back(secKey);
             }
         }
         if (secKeys.empty()) {
             qCDebug(KLEOPATRA_LOG) << "Sec Keys still empty after keygen.";
             Q_EMIT(canceled());
             d->finished();
             return;
         }
     }
     const Key &key = keys.front();
 
     for (const UserID &uid : std::as_const(d->uids))
         if (qstricmp(uid.parent().primaryFingerprint(), key.primaryFingerprint()) != 0) {
             qCWarning(KLEOPATRA_LOG) << "User ID <-> Key mismatch!";
             d->finished();
             return;
         }
 
     d->ensureDialogCreated();
     Q_ASSERT(d->dialog);
 
     Key target = d->key();
     if (!(target.keyListMode() & GpgME::SignatureNotations)) {
         target.update();
     }
     d->dialog->setCertificateToCertify(target);
     if (d->uids.size()) {
         d->dialog->setSelectedUserIDs(d->uids);
     }
     d->dialog->show();
 }
 
 void CertifyCertificateCommand::Private::slotDialogRejected()
 {
     Q_EMIT q->canceled();
     finished();
 }
 
 void CertifyCertificateCommand::Private::slotResult(const Error &err)
 {
     if (!err && !err.isCanceled() && dialog && dialog->exportableCertificationSelected() && dialog->sendToServer()) {
         auto const cmd = new ExportOpenPGPCertsToServerCommand(key());
         cmd->start();
     } else if (!err) {
         information(i18n("Certification successful."),
                     i18n("Certification Succeeded"));
     } else {
         error(i18n("<p>An error occurred while trying to certify<br/><br/>"
                    "<b>%1</b>:</p><p>\t%2</p>",
               Formatting::formatForComboBox(key()),
               QString::fromUtf8(err.asString())),
               i18n("Certification Error"));
     }
     if (!dialog->tags().isEmpty()) {
         Tags::enableTags();
     }
 
     finished();
 }
 
 void CertifyCertificateCommand::Private::slotCertificationPrepared()
 {
     Q_ASSERT(dialog);
 
     createJob();
     Q_ASSERT(job);
     job->setExportable(dialog->exportableCertificationSelected());
     job->setNonRevocable(dialog->nonRevocableCertificationSelected());
     job->setUserIDsToSign(dialog->selectedUserIDs());
     job->setSigningKey(dialog->selectedSecretKey());
     job->setCheckLevel(dialog->selectedCheckLevel());
     if (!dialog->tags().isEmpty()) {
         // do not set an empty remark to avoid an empty signature notation (GnuPG bug T5142)
         job->setRemark(dialog->tags());
     }
     job->setDupeOk(true);
-#ifdef QGPGME_SUPPORTS_TRUST_SIGNATURES
     if (dialog->trustSignatureSelected() && !dialog->trustSignatureDomain().isEmpty()) {
         // always create level 1 trust signatures with complete trust
         job->setTrustSignature(TrustSignatureTrust::Complete, 1, dialog->trustSignatureDomain());
     }
-#endif
-#ifdef QGPGME_SUPPORTS_SIGNATURE_EXPIRATION
     if (!dialog->expirationDate().isNull()) {
         job->setExpirationDate(dialog->expirationDate());
     }
-#endif
 
     if (const Error err = job->start(key())) {
         slotResult(err);
     }
 }
 
 void CertifyCertificateCommand::doCancel()
 {
     qCDebug(KLEOPATRA_LOG);
     if (d->job) {
         d->job->slotCancel();
     }
 }
 
 void CertifyCertificateCommand::Private::ensureDialogCreated()
 {
     if (dialog) {
         return;
     }
 
     dialog = new CertifyCertificateDialog;
     applyWindowID(dialog);
 
     connect(dialog, SIGNAL(rejected()), q, SLOT(slotDialogRejected()));
     connect(dialog, SIGNAL(accepted()), q, SLOT(slotCertificationPrepared()));
 }
 
 void CertifyCertificateCommand::Private::createJob()
 {
     Q_ASSERT(!job);
 
     Q_ASSERT(key().protocol() == OpenPGP);
     const auto backend = QGpgME::openpgp();
     if (!backend) {
         return;
     }
 
     SignKeyJob *const j = backend->signKeyJob();
     if (!j) {
         return;
     }
 
     connect(j, &Job::progress,
             q, &Command::progress);
     connect(j, SIGNAL(result(GpgME::Error)),
             q, SLOT(slotResult(GpgME::Error)));
 
     job = j;
 }
 
 #undef d
 #undef q
 
 #include "moc_certifycertificatecommand.cpp"
diff --git a/src/dialogs/certificatedetailswidget.cpp b/src/dialogs/certificatedetailswidget.cpp
index 910d142a5..9260fbc76 100644
--- a/src/dialogs/certificatedetailswidget.cpp
+++ b/src/dialogs/certificatedetailswidget.cpp
@@ -1,943 +1,937 @@
 /*  SPDX-FileCopyrightText: 2016 Klarälvdalens Datakonsult AB
     SPDX-FileCopyrightText: 2017 Intevation GmbH
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include <config-kleopatra.h>
 
 #include "certificatedetailswidget.h"
 
 #include "kleopatra_debug.h"
 #include "exportdialog.h"
 #include "trustchainwidget.h"
 #include "subkeyswidget.h"
 #include "weboftrustdialog.h"
 
 #include "commands/changepassphrasecommand.h"
 #include "commands/changeexpirycommand.h"
 #include "commands/certifycertificatecommand.h"
 #include "commands/revokecertificationcommand.h"
 #include "commands/adduseridcommand.h"
 #include "commands/genrevokecommand.h"
 #include "commands/detailscommand.h"
 #include "commands/dumpcertificatecommand.h"
 
 #include "utils/tags.h"
 
 #include <Libkleo/Formatting>
 #include <Libkleo/Dn>
 #include <Libkleo/KeyCache>
 #include <Libkleo/GnuPG>
 
 #include <KLocalizedString>
 
 #include <gpgme++/context.h>
 #include <gpgme++/key.h>
 #include <gpgme++/keylistresult.h>
 #include <gpgme++/tofuinfo.h>
 
 #include <QGpgME/Debug>
 #include <QGpgME/Protocol>
 #include <QGpgME/KeyListJob>
 
 #include <QClipboard>
 #include <QDateTime>
 #include <QGridLayout>
 #include <QGroupBox>
 #include <QGuiApplication>
 #include <QHBoxLayout>
 #include <QLabel>
 #include <QLocale>
 #include <QMenu>
 #include <QPushButton>
 #include <QSpacerItem>
 #include <QStringBuilder>
 #include <QTreeWidget>
 
 #include <set>
 
 #define HIDE_ROW(row) \
     ui.row->setVisible(false); \
     ui.row##Lbl->setVisible(false);
 
 #define SHOW_ROW(row) \
     ui.row->setVisible(true); \
     ui.row##Lbl->setVisible(true);
 
 Q_DECLARE_METATYPE(GpgME::UserID)
 
 using namespace Kleo;
 
 class CertificateDetailsWidget::Private
 {
 public:
     Private(CertificateDetailsWidget *qq);
 
     void setupCommonProperties();
     void setupPGPProperties();
     void setupSMIMEProperties();
 
     void revokeUID(const GpgME::UserID &uid);
     void genRevokeCert();
     void certifyClicked();
     void webOfTrustClicked();
     void exportClicked();
     void addUserID();
     void changePassphrase();
     void changeExpiration();
     void keysMayHaveChanged();
     void showTrustChainDialog();
     void showMoreDetails();
     void publishCertificate();
     void userIDTableContextMenuRequested(const QPoint &p);
 
     QString tofuTooltipString(const GpgME::UserID &uid) const;
 
     void smimeLinkActivated(const QString &link);
 
     void setUpdatedKey(const GpgME::Key &key);
     void keyListDone(const GpgME::KeyListResult &,
                      const std::vector<GpgME::Key> &, const QString &,
                      const GpgME::Error &);
     void copyFingerprintToClipboard();
 
 private:
     CertificateDetailsWidget *const q;
 
 public:
     GpgME::Key key;
     bool updateInProgress = false;
 
 private:
     struct UI {
         QGridLayout *gridLayout_2;
         QHBoxLayout *hboxLayout_1;
         QPushButton *addUserIDBtn;
         QPushButton *changePassphraseBtn;
         QPushButton *trustChainDetailsBtn;
         QPushButton *genRevokeBtn;
         QPushButton *certifyBtn;
         QGroupBox *groupBox;
         QGridLayout *gridLayout;
         QLabel *validFromLbl;
         QLabel *validFrom;
         QSpacerItem *horizontalSpacer_3;
         QLabel *expiresLbl;
         QHBoxLayout *horizontalLayout_3;
         QLabel *expires;
         QPushButton *changeExpirationBtn;
         QLabel *typeLbl;
         QLabel *type;
         QLabel *fingerprintLbl;
         QLabel *fingerprint;
         QPushButton *copyFingerprintBtn;
         QLabel *publishingLbl;
         QPushButton *publishing;
         QLabel *smimeIssuerLbl;
         QLabel *smimeIssuer;
         QLabel *compliance;
         QLabel *complianceLbl;
         QLabel *trustedIntroducerLbl;
         QLabel *trustedIntroducer;
         QHBoxLayout *horizontalLayout;
         QPushButton *moreDetailsBtn;
         QPushButton *exportBtn;
         QPushButton *webOfTrustBtn;
         QSpacerItem *horizontalSpacer;
         QTreeWidget *userIDTable;
         QLabel *label;
         QLabel *smimeOwnerLbl;
         QLabel *smimeRelatedAddresses;
         QLabel *smimeOwner;
 
         void setupUi(QWidget *parent)
         {
             gridLayout_2 = new QGridLayout(parent);
             gridLayout_2->setContentsMargins(0, 0, 0, 0);
             hboxLayout_1 = new QHBoxLayout();
             addUserIDBtn = new QPushButton(i18nc("@action:button", "Add User ID"), parent);
 
             hboxLayout_1->addWidget(addUserIDBtn);
 
             changePassphraseBtn = new QPushButton(i18nc("@action:button", "Change Passphrase"), parent);
 
             hboxLayout_1->addWidget(changePassphraseBtn);
 
             trustChainDetailsBtn = new QPushButton(i18nc("@action:button", "Trust Chain Details..."), parent);
 
             hboxLayout_1->addWidget(trustChainDetailsBtn);
 
             genRevokeBtn = new QPushButton(i18nc("@action:button", "Generate Revocation Certificate"), parent);
             genRevokeBtn->setToolTip(u"<html>" %
                                      i18n("A revocation certificate is a file that serves as a \"kill switch\" to publicly "
                                           "declare that a key shall not anymore be used.  It is not possible "
                                           "to retract such a revocation certificate once it has been published.") %
                                      u"</html>");
 
             hboxLayout_1->addWidget(genRevokeBtn);
 
             certifyBtn = new QPushButton(i18nc("@action:button", "Certify"), parent);
 
             hboxLayout_1->addWidget(certifyBtn);
 
             gridLayout_2->addLayout(hboxLayout_1, 4, 0, 1, 3);
 
             groupBox = new QGroupBox(i18n("Certificate Details"), parent);
             groupBox->setFlat(false);
             gridLayout = new QGridLayout(groupBox);
             int row = 0;
             validFromLbl = new QLabel(i18n("Valid from:"), groupBox);
 
             gridLayout->addWidget(validFromLbl, row, 0, 1, 1);
 
             validFrom = new QLabel(groupBox);
             validFrom->setTextInteractionFlags(Qt::TextSelectableByMouse);
 
             gridLayout->addWidget(validFrom, row, 1, 1, 1);
 
             horizontalSpacer_3 = new QSpacerItem(40, 20, QSizePolicy::Expanding, QSizePolicy::Minimum);
 
             gridLayout->addItem(horizontalSpacer_3, row, 2, 1, 1);
             row++;
 
             expiresLbl = new QLabel(i18n("Expires:"), groupBox);
 
             gridLayout->addWidget(expiresLbl, row, 0, 1, 1);
 
             horizontalLayout_3 = new QHBoxLayout();
             expires = new QLabel(groupBox);
             expires->setTextInteractionFlags(Qt::TextSelectableByMouse);
 
             horizontalLayout_3->addWidget(expires);
 
             changeExpirationBtn = new QPushButton(groupBox);
             changeExpirationBtn->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
             changeExpirationBtn->setIcon(QIcon::fromTheme(QStringLiteral("editor")));
             changeExpirationBtn->setToolTip(i18nc("@info:tooltip", "Change the expiration date"));
 
             horizontalLayout_3->addWidget(changeExpirationBtn);
 
             gridLayout->addLayout(horizontalLayout_3, row, 1, 1, 1);
             row++;
 
             typeLbl = new QLabel(i18n("Type:"), groupBox);
 
             gridLayout->addWidget(typeLbl, row, 0, 1, 1);
 
             type = new QLabel(groupBox);
             type->setTextInteractionFlags(Qt::TextSelectableByMouse);
 
             gridLayout->addWidget(type, row, 1, 1, 1);
             row++;
 
             fingerprintLbl = new QLabel(i18n("Fingerprint:"), groupBox);
 
             gridLayout->addWidget(fingerprintLbl, row, 0, 1, 1);
 
             {
                 auto hbox = new QHBoxLayout;
                 fingerprint = new QLabel{groupBox};
                 fingerprint->setTextInteractionFlags(Qt::TextSelectableByMouse);
                 hbox->addWidget(fingerprint);
                 copyFingerprintBtn = new QPushButton{groupBox};
                 copyFingerprintBtn->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
                 copyFingerprintBtn->setIcon(QIcon::fromTheme(QStringLiteral("edit-copy")));
                 copyFingerprintBtn->setToolTip(i18nc("@info:tooltip", "Copy the fingerprint to the clipboard"));
                 copyFingerprintBtn->setVisible(QGuiApplication::clipboard());
                 hbox->addWidget(copyFingerprintBtn);
                 hbox->addStretch();
 
                 gridLayout->addLayout(hbox, row, 1, 1, 2);
             }
             row++;
 
             publishingLbl = new QLabel(i18n("Publishing:"), groupBox);
 
             gridLayout->addWidget(publishingLbl, row, 0, 1, 1);
 
             publishing = new QPushButton(i18nc("@action:button", "Publish Certificate"), groupBox);
 
             gridLayout->addWidget(publishing, row, 1, 1, 1);
             row++;
 
             smimeIssuerLbl = new QLabel(i18n("Issuer:"), groupBox);
 
             gridLayout->addWidget(smimeIssuerLbl, row, 0, 1, 1);
 
             smimeIssuer = new QLabel(groupBox);
             smimeIssuer->setWordWrap(true);
             smimeIssuer->setTextInteractionFlags(Qt::TextBrowserInteraction);
 
             gridLayout->addWidget(smimeIssuer, row, 1, 1, 2);
             row++;
 
             compliance = new QLabel(i18n("Compliance:"), groupBox);
             compliance->setWordWrap(true);
             compliance->setTextInteractionFlags(Qt::TextBrowserInteraction);
 
             gridLayout->addWidget(compliance, row, 0, 1, 1);
 
             complianceLbl = new QLabel(groupBox);
             complianceLbl->setWordWrap(true);
             complianceLbl->setTextInteractionFlags(Qt::TextBrowserInteraction);
 
             gridLayout->addWidget(complianceLbl, row, 1, 1, 2);
             row++;
 
             trustedIntroducerLbl = new QLabel(i18n("Trusted introducer for:"), groupBox);
             trustedIntroducerLbl->setToolTip(i18n("See certifications for details."));
             trustedIntroducerLbl->setTextInteractionFlags(Qt::TextBrowserInteraction);
 
             gridLayout->addWidget(trustedIntroducerLbl, row, 0, 1, 1);
 
             trustedIntroducer = new QLabel(groupBox);
             trustedIntroducer->setWordWrap(true);
             trustedIntroducer->setToolTip(i18n("See certifications for details."));
             trustedIntroducer->setTextInteractionFlags(Qt::TextBrowserInteraction);
 
             gridLayout->addWidget(trustedIntroducer, row, 1, 1, 2);
             row++;
 
             horizontalLayout = new QHBoxLayout();
             moreDetailsBtn = new QPushButton(i18nc("@action:button", "More Details..."), groupBox);
 
             horizontalLayout->addWidget(moreDetailsBtn);
 
             exportBtn = new QPushButton(i18nc("@action:button", "Export..."), groupBox);
 
             horizontalLayout->addWidget(exportBtn);
 
             webOfTrustBtn = new QPushButton(i18nc("@action:button", "Certifications..."), groupBox);
 
             horizontalLayout->addWidget(webOfTrustBtn);
 
             horizontalSpacer = new QSpacerItem(40, 20, QSizePolicy::Expanding, QSizePolicy::Minimum);
 
             horizontalLayout->addItem(horizontalSpacer);
 
             gridLayout->addLayout(horizontalLayout, row, 0, 1, 3);
 
             gridLayout_2->addWidget(groupBox, 6, 0, 1, 3);
 
             userIDTable = new QTreeWidget(parent);
             QTreeWidgetItem *__qtreewidgetitem = new QTreeWidgetItem();
             __qtreewidgetitem->setText(0, QString::fromUtf8("1"));
             userIDTable->setHeaderItem(__qtreewidgetitem);
             userIDTable->setEditTriggers(QAbstractItemView::NoEditTriggers);
             userIDTable->setSelectionMode(QAbstractItemView::SingleSelection);
             userIDTable->setRootIsDecorated(false);
             userIDTable->setUniformRowHeights(true);
             userIDTable->setAllColumnsShowFocus(true);
 
             gridLayout_2->addWidget(userIDTable, 3, 0, 1, 3);
 
             label = new QLabel(i18n("You can use this certificate to secure communication with the following email addresses:"), parent);
             label->setWordWrap(true);
 
             gridLayout_2->addWidget(label, 0, 0, 1, 3);
 
             smimeOwnerLbl = new QLabel(i18n("Owner:"), parent);
 
             gridLayout_2->addWidget(smimeOwnerLbl, 1, 0, 1, 1);
 
             smimeRelatedAddresses = new QLabel(i18n("Related addresses:"), parent);
             QFont font;
             font.setBold(true);
             font.setWeight(75);
             smimeRelatedAddresses->setFont(font);
 
             gridLayout_2->addWidget(smimeRelatedAddresses, 2, 0, 1, 1);
 
             smimeOwner = new QLabel(parent);
             smimeOwner->setWordWrap(true);
             smimeOwner->setTextInteractionFlags(Qt::TextBrowserInteraction);
 
             gridLayout_2->addWidget(smimeOwner, 1, 1, 1, 2);
         }
     } ui;
 };
 
 CertificateDetailsWidget::Private::Private(CertificateDetailsWidget *qq)
     : q{qq}
 {
     ui.setupUi(q);
 
     connect(ui.addUserIDBtn, &QPushButton::clicked,
             q, [this]() { addUserID(); });
     connect(ui.changePassphraseBtn, &QPushButton::clicked,
             q, [this]() { changePassphrase(); });
     connect(ui.genRevokeBtn, &QPushButton::clicked,
             q, [this]() { genRevokeCert(); });
     connect(ui.changeExpirationBtn, &QPushButton::clicked,
             q, [this]() { changeExpiration(); });
     connect(ui.smimeOwner, &QLabel::linkActivated,
             q, [this](const QString &link) { smimeLinkActivated(link); });
     connect(ui.smimeIssuer, &QLabel::linkActivated,
             q, [this](const QString &link) { smimeLinkActivated(link); });
     connect(ui.trustChainDetailsBtn, &QPushButton::pressed,
             q, [this]() { showTrustChainDialog(); });
     connect(ui.moreDetailsBtn, &QPushButton::pressed,
             q, [this]() { showMoreDetails(); });
     connect(ui.publishing, &QPushButton::pressed,
             q, [this]() { publishCertificate(); });
     connect(ui.certifyBtn, &QPushButton::clicked,
             q, [this]() { certifyClicked(); });
     connect(ui.webOfTrustBtn, &QPushButton::clicked,
             q, [this]() { webOfTrustClicked(); });
     connect(ui.exportBtn, &QPushButton::clicked,
             q, [this]() { exportClicked(); });
     connect(ui.copyFingerprintBtn, &QPushButton::clicked,
             q, [this]() { copyFingerprintToClipboard(); });
 
     connect(Kleo::KeyCache::instance().get(), &Kleo::KeyCache::keysMayHaveChanged,
             q, [this]() { keysMayHaveChanged(); });
 }
 
 void CertificateDetailsWidget::Private::setupCommonProperties()
 {
     // TODO: Enable once implemented
     HIDE_ROW(publishing)
 
     const bool hasSecret = key.hasSecret();
     const bool isOpenPGP = key.protocol() == GpgME::OpenPGP;
     // TODO: Enable once implemented
     const bool canRevokeUID = false; // isOpenPGP && hasSecret
 
     ui.changePassphraseBtn->setVisible(hasSecret);
     ui.genRevokeBtn->setVisible(isOpenPGP && hasSecret);
     ui.certifyBtn->setVisible(isOpenPGP && !hasSecret);
     ui.changeExpirationBtn->setVisible(isOpenPGP && hasSecret);
     ui.addUserIDBtn->setVisible(hasSecret && isOpenPGP);
     ui.webOfTrustBtn->setVisible(isOpenPGP);
 
     ui.hboxLayout_1->addStretch(1);
 
     ui.validFrom->setText(Kleo::Formatting::creationDateString(key));
     const QString expiry = Kleo::Formatting::expirationDateString(key);
     ui.expires->setText(expiry.isEmpty() ? i18nc("Expires", "never") : expiry);
     ui.type->setText(Kleo::Formatting::type(key));
     ui.fingerprint->setText(Formatting::prettyID(key.primaryFingerprint()));
 
     if (!Kleo::gnupgIsDeVsCompliant()) {
         HIDE_ROW(compliance)
     } else {
         ui.complianceLbl->setText(Kleo::Formatting::complianceStringForKey(key));
     }
 
     ui.userIDTable->clear();
 
     QStringList headers = { i18n("Email"), i18n("Name"), i18n("Trust Level"), i18n("Tags") };
     if (canRevokeUID) {
         headers << QString();
     }
     ui.userIDTable->setColumnCount(headers.count());
     ui.userIDTable->setColumnWidth(0, 200);
     ui.userIDTable->setColumnWidth(1, 200);
     ui.userIDTable->setHeaderLabels(headers);
 
     const auto uids = key.userIDs();
     for (unsigned int i = 0; i < uids.size(); ++i) {
         const auto &uid = uids[i];
         auto item = new QTreeWidgetItem;
         const QString toolTip = tofuTooltipString(uid);
         item->setData(0, Qt::UserRole, QVariant::fromValue(uid));
 
         auto pMail = Kleo::Formatting::prettyEMail(uid);
         auto pName = Kleo::Formatting::prettyName(uid);
         if (!isOpenPGP && pMail.isEmpty() && !pName.isEmpty()) {
             // S/MIME UserIDs are sometimes split, with one userID
             // containing the name another the Mail, we merge these
             // UID's into a single item.
 
             if (i + 1 < uids.size()) {
                 pMail = Kleo::Formatting::prettyEMail(uids[i + 1]);
                 // skip next uid
                 ++i;
             }
         }
 
         if (!isOpenPGP && pMail.isEmpty() && pName.isEmpty()) {
             // S/MIME certificates sometimes contain urls where both
             // name and mail is empty. In that case we print whatever
             // the uid is as name.
             //
             // Can be ugly like (3:uri24:http://ca.intevation.org), but
             // this is better then showing an empty entry.
             pName = QString::fromLatin1(uid.id());
         }
 
         item->setData(0, Qt::DisplayRole, pMail);
         item->setData(0, Qt::ToolTipRole, toolTip);
         item->setData(1, Qt::DisplayRole, pName);
         item->setData(1, Qt::ToolTipRole, toolTip);
 
         QIcon trustIcon;
         if (updateInProgress) {
            trustIcon = QIcon::fromTheme(QStringLiteral("emblem-question"));
            item->setData(2, Qt::DisplayRole, i18n("Updating..."));
         } else {
             switch (uid.validity()) {
             case GpgME::UserID::Unknown:
             case GpgME::UserID::Undefined:
                 trustIcon = QIcon::fromTheme(QStringLiteral("emblem-question"));
                 break;
             case GpgME::UserID::Never:
                 trustIcon = QIcon::fromTheme(QStringLiteral("emblem-error"));
                 break;
             case GpgME::UserID::Marginal:
                 trustIcon = QIcon::fromTheme(QStringLiteral("emblem-warning"));
                 break;
             case GpgME::UserID::Full:
             case GpgME::UserID::Ultimate:
                 trustIcon = QIcon::fromTheme(QStringLiteral("emblem-success"));
                 break;
             }
             item->setData(2, Qt::DisplayRole, Kleo::Formatting::validityShort(uid));
         }
         item->setData(2, Qt::DecorationRole, trustIcon);
         item->setData(2, Qt::ToolTipRole, toolTip);
 
         GpgME::Error err;
         QStringList tagList;
         for (const auto &tag: uid.remarks(Tags::tagKeys(), err)) {
             if (err) {
                 qCWarning(KLEOPATRA_LOG) << "Getting remarks for user ID" << uid.id() << "failed:" << err;
             }
             tagList << QString::fromStdString(tag);
         }
         qCDebug(KLEOPATRA_LOG) << "tagList:" << tagList;
         const auto tags = tagList.join(QStringLiteral("; "));
         item->setData(3, Qt::DisplayRole, tags);
         item->setData(3, Qt::ToolTipRole, toolTip);
 
         ui.userIDTable->addTopLevelItem(item);
 
         if (canRevokeUID) {
             auto button = new QPushButton;
             button->setIcon(QIcon::fromTheme(QStringLiteral("entry-delete")));
             button->setToolTip(i18n("Revoke this user ID"));
             button->setMaximumWidth(32);
             QObject::connect(button, &QPushButton::clicked,
                             q, [this, uid]() { revokeUID(uid); });
             ui.userIDTable->setItemWidget(item, 4, button);
         }
     }
     if (!Tags::tagsEnabled()) {
         ui.userIDTable->hideColumn(3);
     }
 }
 
 void CertificateDetailsWidget::Private::revokeUID(const GpgME::UserID &uid)
 {
     Q_UNUSED(uid)
     qCWarning(KLEOPATRA_LOG) << "Revoking UserID is not implemented. How did you even get here?!?!";
 }
 
 void CertificateDetailsWidget::Private::changeExpiration()
 {
     auto cmd = new Kleo::Commands::ChangeExpiryCommand(key);
     QObject::connect(cmd, &Kleo::Commands::ChangeExpiryCommand::finished,
                      q, [this]() {
                          ui.changeExpirationBtn->setEnabled(true);
                      });
     ui.changeExpirationBtn->setEnabled(false);
     cmd->start();
 }
 
 void CertificateDetailsWidget::Private::changePassphrase()
 {
     auto cmd = new Kleo::Commands::ChangePassphraseCommand(key);
     QObject::connect(cmd, &Kleo::Commands::ChangePassphraseCommand::finished,
                      q, [this]() {
                          ui.changePassphraseBtn->setEnabled(true);
                      });
     ui.changePassphraseBtn->setEnabled(false);
     cmd->start();
 }
 
 void CertificateDetailsWidget::Private::genRevokeCert()
 {
     auto cmd = new Kleo::Commands::GenRevokeCommand(key);
     QObject::connect(cmd, &Kleo::Commands::GenRevokeCommand::finished,
                      q, [this]() {
                          ui.genRevokeBtn->setEnabled(true);
                      });
     ui.genRevokeBtn->setEnabled(false);
     cmd->start();
 }
 
 void CertificateDetailsWidget::Private::certifyClicked()
 {
     auto cmd = new Kleo::Commands::CertifyCertificateCommand(key);
     QObject::connect(cmd, &Kleo::Commands::CertifyCertificateCommand::finished,
                      q, [this]() {
                          ui.certifyBtn->setEnabled(true);
                      });
     ui.certifyBtn->setEnabled(false);
     cmd->start();
 }
 
 void CertificateDetailsWidget::Private::webOfTrustClicked()
 {
     QScopedPointer<WebOfTrustDialog> dlg(new WebOfTrustDialog(q));
     dlg->setKey(key);
     dlg->exec();
 }
 
 void CertificateDetailsWidget::Private::exportClicked()
 {
     QScopedPointer<ExportDialog> dlg(new ExportDialog(q));
     dlg->setKey(key);
     dlg->exec();
 }
 
 void CertificateDetailsWidget::Private::addUserID()
 {
     auto cmd = new Kleo::Commands::AddUserIDCommand(key);
     QObject::connect(cmd, &Kleo::Commands::AddUserIDCommand::finished,
                      q, [this]() {
                          ui.addUserIDBtn->setEnabled(true);
                          key.update();
                          q->setKey(key);
                      });
     ui.addUserIDBtn->setEnabled(false);
     cmd->start();
 }
 
 void CertificateDetailsWidget::Private::keysMayHaveChanged()
 {
     auto newKey = Kleo::KeyCache::instance()->findByFingerprint(key.primaryFingerprint());
     if (!newKey.isNull()) {
         setUpdatedKey(newKey);
     }
 }
 
 void CertificateDetailsWidget::Private::showTrustChainDialog()
 {
     QScopedPointer<TrustChainDialog> dlg(new TrustChainDialog(q));
     dlg->setKey(key);
     dlg->exec();
 }
 
 void CertificateDetailsWidget::Private::publishCertificate()
 {
     qCWarning(KLEOPATRA_LOG) << "publishCertificateis not implemented.";
     //TODO
 }
 
 void CertificateDetailsWidget::Private::userIDTableContextMenuRequested(const QPoint &p)
 {
     auto item = ui.userIDTable->itemAt(p);
     if (!item) {
         return;
     }
 
     const auto userID = item->data(0, Qt::UserRole).value<GpgME::UserID>();
 
     auto menu = new QMenu(q);
     menu->addAction(QIcon::fromTheme(QStringLiteral("view-certificate-sign")),
                     i18n("Certify..."),
                     q, [this, userID]() {
         auto cmd = new Kleo::Commands::CertifyCertificateCommand(userID);
         ui.userIDTable->setEnabled(false);
         connect(cmd, &Kleo::Commands::CertifyCertificateCommand::finished,
                 q, [this]() {
             ui.userIDTable->setEnabled(true);
             // Trigger an update when done
             q->setKey(key);
         });
         cmd->start();
     });
     if (Kleo::Commands::RevokeCertificationCommand::isSupported()) {
         menu->addAction(QIcon::fromTheme(QStringLiteral("view-certificate-revoke")),
                         i18n("Revoke Certification..."),
                         q, [this, userID]() {
             auto cmd = new Kleo::Commands::RevokeCertificationCommand(userID);
             ui.userIDTable->setEnabled(false);
             connect(cmd, &Kleo::Commands::RevokeCertificationCommand::finished,
                     q, [this]() {
                 ui.userIDTable->setEnabled(true);
                 // Trigger an update when done
                 q->setKey(key);
             });
             cmd->start();
         });
     }
     connect(menu, &QMenu::aboutToHide, menu, &QObject::deleteLater);
     menu->popup(ui.userIDTable->viewport()->mapToGlobal(p));
 }
 
 void CertificateDetailsWidget::Private::showMoreDetails()
 {
     ui.moreDetailsBtn->setEnabled(false);
     if (key.protocol() == GpgME::CMS) {
         auto cmd = new Kleo::Commands::DumpCertificateCommand(key);
         connect(cmd, &Kleo::Commands::DumpCertificateCommand::finished,
                 q, [this]() {
                     ui.moreDetailsBtn->setEnabled(true);
                 });
         cmd->setUseDialog(true);
         cmd->start();
     } else {
         QScopedPointer<SubKeysDialog> dlg(new SubKeysDialog(q));
         dlg->setKey(key);
         dlg->exec();
         ui.moreDetailsBtn->setEnabled(true);
     }
 }
 
 QString CertificateDetailsWidget::Private::tofuTooltipString(const GpgME::UserID &uid) const
 {
     const auto tofu = uid.tofuInfo();
     if (tofu.isNull()) {
         return QString();
     }
 
     QString html = QStringLiteral("<table border=\"0\" cell-padding=\"5\">");
     const auto appendRow = [&html](const QString &lbl, const QString &val) {
         html += QStringLiteral("<tr>"
                                "<th style=\"text-align: right; padding-right: 5px; white-space: nowrap;\">%1:</th>"
                                "<td style=\"white-space: nowrap;\">%2</td>"
                                "</tr>")
                     .arg(lbl, val);
     };
     const auto appendHeader = [this, &html](const QString &hdr) {
         html += QStringLiteral("<tr><th colspan=\"2\" style=\"background-color: %1; color: %2\">%3</th></tr>")
                     .arg(q->palette().highlight().color().name(),
                          q->palette().highlightedText().color().name(),
                          hdr);
     };
     const auto dateTime = [](long ts) {
         QLocale l;
         return ts == 0 ? i18n("never") : l.toString(QDateTime::fromSecsSinceEpoch(ts), QLocale::ShortFormat);
     };
     appendHeader(i18n("Signing"));
     appendRow(i18n("First message"), dateTime(tofu.signFirst()));
     appendRow(i18n("Last message"), dateTime(tofu.signLast()));
     appendRow(i18n("Message count"), QString::number(tofu.signCount()));
     appendHeader(i18n("Encryption"));
     appendRow(i18n("First message"), dateTime(tofu.encrFirst()));
     appendRow(i18n("Last message"), dateTime(tofu.encrLast()));
     appendRow(i18n("Message count"), QString::number(tofu.encrCount()));
 
     html += QStringLiteral("</table>");
     // Make sure the tooltip string is different for each UserID, even if the
     // data are the same, otherwise the tooltip is not updated and moved when
     // user moves mouse from one row to another.
     html += QStringLiteral("<!-- %1 //-->").arg(QString::fromUtf8(uid.id()));
     return html;
 }
 
-#ifdef GPGMEPP_SUPPORTS_TRUST_SIGNATURES
 namespace
 {
 auto isGood(const GpgME::UserID::Signature &signature)
 {
     return signature.status() == GpgME::UserID::Signature::NoError &&
            !signature.isInvalid() &&
            0x10 <= signature.certClass() && signature.certClass() <= 0x13;
 }
 
 auto accumulateTrustDomains(const std::vector<GpgME::UserID::Signature> &signatures)
 {
     return std::accumulate(
         std::begin(signatures), std::end(signatures),
         std::set<QString>(),
         [] (auto domains, const auto &signature) {
             if (isGood(signature) && signature.isTrustSignature()) {
                 domains.insert(Formatting::trustSignatureDomain(signature));
             }
             return domains;
         }
     );
 }
 
 auto accumulateTrustDomains(const std::vector<GpgME::UserID> &userIds)
 {
     return std::accumulate(
         std::begin(userIds), std::end(userIds),
         std::set<QString>(),
         [] (auto domains, const auto &userID) {
             const auto newDomains = accumulateTrustDomains(userID.signatures());
             std::copy(std::begin(newDomains), std::end(newDomains), std::inserter(domains, std::end(domains)));
             return domains;
         }
     );
 }
 }
-#endif
 
 void CertificateDetailsWidget::Private::setupPGPProperties()
 {
     HIDE_ROW(smimeOwner)
     HIDE_ROW(smimeIssuer)
     ui.smimeRelatedAddresses->setVisible(false);
     ui.trustChainDetailsBtn->setVisible(false);
 
     ui.userIDTable->setContextMenuPolicy(Qt::CustomContextMenu);
     connect(ui.userIDTable, &QAbstractItemView::customContextMenuRequested,
             q, [this](const QPoint &p) { userIDTableContextMenuRequested(p); });
 
-#ifdef GPGMEPP_SUPPORTS_TRUST_SIGNATURES
     const auto trustDomains = accumulateTrustDomains(key.userIDs());
     if (trustDomains.empty()) {
         HIDE_ROW(trustedIntroducer)
     } else {
         SHOW_ROW(trustedIntroducer)
         ui.trustedIntroducer->setText(QStringList(std::begin(trustDomains), std::end(trustDomains)).join(u", "));
     }
-#else
-    HIDE_ROW(trustedIntroducer)
-#endif
 }
 
 static QString formatDNToolTip(const Kleo::DN &dn)
 {
     QString html = QStringLiteral("<table border=\"0\" cell-spacing=15>");
 
     const auto appendRow = [&html, dn](const QString &lbl, const QString &attr) {
                                 const QString val = dn[attr];
                                 if (!val.isEmpty()) {
                                     html += QStringLiteral(
                                             "<tr><th style=\"text-align: left; white-space: nowrap\">%1:</th>"
                                                 "<td style=\"white-space: nowrap\">%2</td>"
                                             "</tr>").arg(lbl, val);
                                 }
                             };
     appendRow(i18n("Common Name"), QStringLiteral("CN"));
     appendRow(i18n("Organization"), QStringLiteral("O"));
     appendRow(i18n("Street"), QStringLiteral("STREET"));
     appendRow(i18n("City"),  QStringLiteral("L"));
     appendRow(i18n("State"), QStringLiteral("ST"));
     appendRow(i18n("Country"), QStringLiteral("C"));
     html += QStringLiteral("</table>");
 
     return html;
 }
 
 void CertificateDetailsWidget::Private::setupSMIMEProperties()
 {
     HIDE_ROW(publishing)
     HIDE_ROW(trustedIntroducer)
 
     const auto ownerId = key.userID(0);
     const Kleo::DN dn(ownerId.id());
     const QString cn = dn[QStringLiteral("CN")];
     const QString o = dn[QStringLiteral("O")];
     const QString dnEmail = dn[QStringLiteral("EMAIL")];
     const QString name = cn.isEmpty() ? dnEmail : cn;
 
     QString owner;
     if (name.isEmpty()) {
         owner = dn.dn();
     } else if (o.isEmpty()) {
         owner = name;
     } else {
         owner = i18nc("<name> of <company>", "%1 of %2", name, o);
     }
     ui.smimeOwner->setText(owner);
     ui.smimeOwner->setTextInteractionFlags(Qt::TextBrowserInteraction);
 
     const Kleo::DN issuerDN(key.issuerName());
     const QString issuerCN = issuerDN[QStringLiteral("CN")];
     const QString issuer = issuerCN.isEmpty() ? QString::fromUtf8(key.issuerName()) : issuerCN;
     ui.smimeIssuer->setText(QStringLiteral("<a href=\"#issuerDetails\">%1</a>").arg(issuer));
 
     ui.smimeIssuer->setToolTip(formatDNToolTip(issuerDN));
 
     ui.smimeOwner->setToolTip(formatDNToolTip(dn));
 
 }
 
 void CertificateDetailsWidget::Private::smimeLinkActivated(const QString &link)
 {
     if (link == QLatin1String("#issuerDetails")) {
         const auto parentKey = KeyCache::instance()->findIssuers(key, KeyCache::NoOption);
 
         if (!parentKey.size()) {
             return;
         }
         auto cmd = new Kleo::Commands::DetailsCommand(parentKey[0], nullptr);
         cmd->setParentWidget(q);
         cmd->start();
         return;
     }
     qCWarning(KLEOPATRA_LOG) << "Unknown link activated:" << link;
 }
 
 void CertificateDetailsWidget::Private::copyFingerprintToClipboard()
 {
     if (auto clipboard = QGuiApplication::clipboard()) {
         clipboard->setText(QString::fromLatin1(key.primaryFingerprint()));
     }
 }
 
 CertificateDetailsWidget::CertificateDetailsWidget(QWidget *parent)
     : QWidget{parent}
     , d{std::make_unique<Private>(this)}
 {
 }
 
 CertificateDetailsWidget::~CertificateDetailsWidget() = default;
 
 void CertificateDetailsWidget::Private::keyListDone(const GpgME::KeyListResult &,
                                                     const std::vector<GpgME::Key> &keys,
                                                     const QString &,
                                                     const GpgME::Error &)
 {
     updateInProgress = false;
     if (keys.size() != 1) {
         qCWarning(KLEOPATRA_LOG) << "Invalid keylist result in update.";
         return;
     }
     // As we listen for keysmayhavechanged we get the update
     // after updating the keycache.
     KeyCache::mutableInstance()->insert(keys);
 }
 
 void CertificateDetailsWidget::Private::setUpdatedKey(const GpgME::Key &k)
 {
     key = k;
 
     setupCommonProperties();
     if (key.protocol() == GpgME::OpenPGP) {
         setupPGPProperties();
     } else {
         setupSMIMEProperties();
     }
 }
 
 void CertificateDetailsWidget::setKey(const GpgME::Key &key)
 {
     if (key.protocol() == GpgME::CMS) {
         // For everything but S/MIME this should be quick
         // and we don't need to show another status.
         d->updateInProgress = true;
     }
     d->setUpdatedKey(key);
 
     // Run a keylistjob with full details (TOFU / Validate)
     QGpgME::KeyListJob *job = key.protocol() == GpgME::OpenPGP ? QGpgME::openpgp()->keyListJob(false, true, true) :
                                                                  QGpgME::smime()->keyListJob(false, true, true);
 
     auto ctx = QGpgME::Job::context(job);
     ctx->addKeyListMode(GpgME::WithTofu);
     ctx->addKeyListMode(GpgME::SignatureNotations);
     if (key.hasSecret()) {
         ctx->addKeyListMode(GpgME::WithSecret);
     }
 
     // Windows QGpgME new style connect problem makes this necessary.
     connect(job, SIGNAL(result(GpgME::KeyListResult,std::vector<GpgME::Key>,QString,GpgME::Error)),
             this, SLOT(keyListDone(GpgME::KeyListResult,std::vector<GpgME::Key>,QString,GpgME::Error)));
 
     job->start(QStringList() << QLatin1String(key.primaryFingerprint()));
 }
 
 GpgME::Key CertificateDetailsWidget::key() const
 {
     return d->key;
 }
 
 #include "moc_certificatedetailswidget.cpp"
diff --git a/src/dialogs/certifywidget.cpp b/src/dialogs/certifywidget.cpp
index e59ecd6e1..32427262f 100644
--- a/src/dialogs/certifywidget.cpp
+++ b/src/dialogs/certifywidget.cpp
@@ -1,727 +1,715 @@
 /*  dialogs/certifywidget.cpp
 
     This file is part of Kleopatra, the KDE keymanager
     SPDX-FileCopyrightText: 2019, 2021 g10 Code GmbH
     SPDX-FileContributor: Ingo Klöcker <dev@ingo-kloecker.de>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include <config-kleopatra.h>
 
 #include "certifywidget.h"
 
 #include "kleopatra_debug.h"
 
 #include <KLocalizedString>
 #include <KConfigGroup>
 #include <KDateComboBox>
 #include <KMessageBox>
 #include <KMessageWidget>
 #include <KSeparator>
 #include <KSharedConfig>
 
 #include <Libkleo/DefaultKeyFilter>
 #include <Libkleo/KeySelectionCombo>
 #include <Libkleo/Formatting>
 #include <Libkleo/KeyCache>
 #include <Libkleo/Predicates>
 
 #include <QGpgME/ChangeOwnerTrustJob>
 #include <QGpgME/Protocol>
 
 #include <QAction>
 #include <QCheckBox>
 #include <QHBoxLayout>
 #include <QIcon>
 #include <QLabel>
 #include <QLineEdit>
 #include <QListView>
 #include <QParallelAnimationGroup>
 #include <QPropertyAnimation>
 #include <QPushButton>
 #include <QScrollArea>
 #include <QStandardItemModel>
 #include <QToolButton>
 #include <QToolTip>
 #include <QVBoxLayout>
 
 #include <gpgme++/key.h>
 
 using namespace Kleo;
 
 namespace {
 
 // Maybe move this in its own file
 // based on code from StackOverflow
 class AnimatedExpander: public QWidget
 {
     Q_OBJECT
 public:
     explicit AnimatedExpander(const QString &title = QString(),
                               QWidget *parent = nullptr);
     void setContentLayout(QLayout *contentLayout);
 
 private:
     QGridLayout mainLayout;
     QToolButton toggleButton;
     QFrame headerLine;
     QParallelAnimationGroup toggleAnimation;
     QScrollArea contentArea;
     int animationDuration{300};
 };
 
 AnimatedExpander::AnimatedExpander(const QString &title, QWidget *parent):
     QWidget(parent)
 {
     toggleButton.setStyleSheet(QStringLiteral("QToolButton { border: none; }"));
     toggleButton.setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
     toggleButton.setArrowType(Qt::ArrowType::RightArrow);
     toggleButton.setText(title);
     toggleButton.setCheckable(true);
     toggleButton.setChecked(false);
 
     headerLine.setFrameShape(QFrame::HLine);
     headerLine.setFrameShadow(QFrame::Sunken);
     headerLine.setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Maximum);
 
     contentArea.setStyleSheet(QStringLiteral("QScrollArea { border: none; }"));
     contentArea.setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
 
     // start out collapsed
     contentArea.setMaximumHeight(0);
     contentArea.setMinimumHeight(0);
 
     // let the entire widget grow and shrink with its content
     toggleAnimation.addAnimation(new QPropertyAnimation(this, "minimumHeight"));
     toggleAnimation.addAnimation(new QPropertyAnimation(this, "maximumHeight"));
     toggleAnimation.addAnimation(new QPropertyAnimation(&contentArea, "maximumHeight"));
 
     mainLayout.setVerticalSpacing(0);
     mainLayout.setContentsMargins(0, 0, 0, 0);
     int row = 0;
     mainLayout.addWidget(&toggleButton, row, 0, 1, 1, Qt::AlignLeft);
     mainLayout.addWidget(&headerLine, row++, 2, 1, 1);
     mainLayout.addWidget(&contentArea, row, 0, 1, 3);
     setLayout(&mainLayout);
     QObject::connect(&toggleButton, &QToolButton::clicked, [this](const bool checked) {
         toggleButton.setArrowType(checked ? Qt::ArrowType::DownArrow : Qt::ArrowType::RightArrow);
         toggleAnimation.setDirection(checked ? QAbstractAnimation::Forward : QAbstractAnimation::Backward);
         toggleAnimation.start();
     });
 }
 
 void AnimatedExpander::setContentLayout(QLayout *contentLayout)
 {
     delete contentArea.layout();
     contentArea.setLayout(contentLayout);
     const auto collapsedHeight = sizeHint().height() - contentArea.maximumHeight();
     auto contentHeight = contentLayout->sizeHint().height();
     for (int i = 0; i < toggleAnimation.animationCount() - 1; ++i) {
         auto expanderAnimation = static_cast<QPropertyAnimation *>(toggleAnimation.animationAt(i));
         expanderAnimation->setDuration(animationDuration);
         expanderAnimation->setStartValue(collapsedHeight);
         expanderAnimation->setEndValue(collapsedHeight + contentHeight);
     }
     auto contentAnimation = static_cast<QPropertyAnimation *>(toggleAnimation.animationAt(toggleAnimation.animationCount() - 1));
     contentAnimation->setDuration(animationDuration);
     contentAnimation->setStartValue(0);
     contentAnimation->setEndValue(contentHeight);
 }
 
 class SecKeyFilter: public DefaultKeyFilter
 {
 public:
     SecKeyFilter() : DefaultKeyFilter()
     {
         setRevoked(DefaultKeyFilter::NotSet);
         setExpired(DefaultKeyFilter::NotSet);
         setHasSecret(DefaultKeyFilter::Set);
         setCanCertify(DefaultKeyFilter::Set);
         setIsOpenPGP(DefaultKeyFilter::Set);
     }
 
     bool matches(const GpgME::Key &key, Kleo::KeyFilter::MatchContexts contexts) const override
     {
         if (!(availableMatchContexts() & contexts)) {
             return false;
         }
         if (_detail::ByFingerprint<std::equal_to>()(key, mExcludedKey)) {
             return false;
         }
         return DefaultKeyFilter::matches(key, contexts);
     }
 
     void setExcludedKey(const GpgME::Key &key)
     {
         mExcludedKey = key;
     }
 
 private:
     GpgME::Key mExcludedKey;
 };
 
 class UserIDModel : public QStandardItemModel
 {
     Q_OBJECT
 public:
     enum Role {
         UserIDIndex = Qt::UserRole
     };
     explicit UserIDModel(QObject *parent = nullptr) : QStandardItemModel(parent) {}
 
     GpgME::Key certificateToCertify() const
     {
         return m_key;
     }
 
     void setKey(const GpgME::Key &key)
     {
         m_key = key;
         clear();
         const std::vector<GpgME::UserID> ids = key.userIDs();
         int i = 0;
         for (const auto &uid: key.userIDs()) {
             if (uid.isRevoked() || uid.isInvalid()) {
                 // Skip user IDs that cannot really be certified.
                 i++;
                 continue;
             }
             auto const item = new QStandardItem;
             item->setText(Formatting::prettyUserID(uid));
             item->setData(i, UserIDIndex);
             item->setCheckable(true);
             item->setEditable(false);
             item->setCheckState(Qt::Checked);
             appendRow(item);
             i++;
         }
     }
 
     void setCheckedUserIDs(const std::vector<unsigned int> &uids)
     {
         std::vector<unsigned int> sorted = uids;
         std::sort(sorted.begin(), sorted.end());
         for (int i = 0, end = rowCount(); i != end; ++i) {
             item(i)->setCheckState(std::binary_search(sorted.begin(), sorted.end(), i) ? Qt::Checked : Qt::Unchecked);
         }
     }
 
     std::vector<unsigned int> checkedUserIDs() const
     {
         std::vector<unsigned int> ids;
         for (int i = 0; i < rowCount(); ++i) {
             if (item(i)->checkState() == Qt::Checked) {
                 ids.push_back(item(i)->data(UserIDIndex).toUInt());
             }
         }
         qCDebug(KLEOPATRA_LOG) << "Checked uids are: " << ids;
         return ids;
     }
 
 private:
     GpgME::Key m_key;
 };
 
 static bool uidEqual(const GpgME::UserID &lhs, const GpgME::UserID &rhs)
 {
     return qstrcmp(lhs.parent().primaryFingerprint(),
                     rhs.parent().primaryFingerprint()) == 0
             && qstrcmp(lhs.id(), rhs.id()) == 0;
 }
 
 auto checkBoxSize(const QCheckBox *checkBox)
 {
     QStyleOptionButton opt;
     return checkBox->style()->sizeFromContents(QStyle::CT_CheckBox, &opt, QSize(), checkBox);
 }
 
 auto createInfoButton(const QString &text, QWidget *parent)
 {
     auto infoBtn = new QPushButton{parent};
     infoBtn->setIcon(QIcon::fromTheme(QStringLiteral("help-contextual")));
     infoBtn->setFlat(true);
 
     QObject::connect(infoBtn, &QPushButton::clicked, infoBtn, [infoBtn, text] () {
         QToolTip::showText(infoBtn->mapToGlobal(QPoint()) + QPoint(infoBtn->width(), 0),
                            text, infoBtn, QRect(), 30000);
     });
 
     return infoBtn;
 }
 
-#ifdef QGPGME_SUPPORTS_SIGNATURE_EXPIRATION
 QString dateFormatWithFourDigitYear(QLocale::FormatType format)
 {
     // Force the year to be formatted as four digit number, so that
     // the user can distinguish between 2006 and 2106.
     return QLocale{}.dateFormat(format).
         replace(QLatin1String("yy"), QLatin1String("yyyy")).
         replace(QLatin1String("yyyyyyyy"), QLatin1String("yyyy"));
 }
 
 QString formatDate(const QDate &date, QLocale::FormatType format)
 {
     return QLocale{}.toString(date, dateFormatWithFourDigitYear(format));
 }
-#endif
 
 }
 
 class CertifyWidget::Private
 {
 public:
     Private(CertifyWidget *qq)
         : q{qq}
         , mFprLabel{new QLabel{q}}
         , mSecKeySelect{new KeySelectionCombo{/* secretOnly= */true, q}}
         , mMissingOwnerTrustInfo{new KMessageWidget{q}}
         , mExportCB{new QCheckBox{q}}
         , mPublishCB{new QCheckBox{q}}
         , mTagsLE{new QLineEdit{q}}
         , mTrustSignatureCB{new QCheckBox{q}}
         , mTrustSignatureDomainLE{new QLineEdit{q}}
         , mExpirationCheckBox{new QCheckBox{q}}
         , mExpirationDateEdit{new KDateComboBox{q}}
         , mSetOwnerTrustAction{new QAction{q}}
     {
         auto mainLay = new QVBoxLayout{q};
         mainLay->addWidget(mFprLabel);
 
         auto secKeyLay = new QHBoxLayout{q};
         secKeyLay->addWidget(new QLabel(i18n("Certify with:")));
 
         mSecKeySelect->setKeyFilter(std::make_shared<SecKeyFilter>());
 
         secKeyLay->addWidget(mSecKeySelect, 1);
         mainLay->addLayout(secKeyLay);
 
         mSetOwnerTrustAction->setText(i18nc("@action:button", "Set Owner Trust"));
         mSetOwnerTrustAction->setToolTip(QLatin1String("<html>") +
                                          i18nc("@info:tooltip",
                                                "Click to set the trust level of the selected certification key to ultimate trust. "
                                                "This is what you usually want to do for your own keys.") +
                                          QLatin1String("</html>"));
         connect(mSetOwnerTrustAction, &QAction::triggered, q, [this] () { setOwnerTrust(); });
         mMissingOwnerTrustInfo->addAction(mSetOwnerTrustAction);
         mMissingOwnerTrustInfo->setVisible(false);
 
         mainLay->addWidget(mMissingOwnerTrustInfo);
 
         mainLay->addWidget(new KSeparator{Qt::Horizontal, q});
 
         auto listView = new QListView{q};
         listView->setModel(&mUserIDModel);
         mainLay->addWidget(listView, 1);
 
         // Setup the advanced area
         auto expander = new AnimatedExpander{i18n("Advanced"), q};
         mainLay->addWidget(expander);
 
         auto advLay = new QVBoxLayout{q};
 
         mExportCB->setText(i18n("Certify for everyone to see (exportable)"));
         advLay->addWidget(mExportCB);
 
         {
             auto layout = new QHBoxLayout{q};
 
             mPublishCB->setText(i18n("Publish on keyserver afterwards"));
             mPublishCB->setEnabled(mExportCB->isChecked());
 
             layout->addSpacing(checkBoxSize(mExportCB).width());
             layout->addWidget(mPublishCB);
 
             advLay->addLayout(layout);
         }
 
         {
             auto tagsLay = new QHBoxLayout{q};
 
             mTagsLE->setPlaceholderText(i18n("Tags"));
             auto infoBtn = createInfoButton(i18n("You can use this to add additional info to a certification.") +
                                             QStringLiteral("<br/><br/>") +
                                             i18n("Tags created by anyone with full certification trust "
                                                 "are shown in the keylist and can be searched."),
                                             q);
 
             tagsLay->addWidget(new QLabel{i18n("Tags:"), q});
             tagsLay->addWidget(mTagsLE, 1);
             tagsLay->addWidget(infoBtn);
 
             advLay->addLayout(tagsLay);
         }
 
-#ifndef QGPGME_SUPPORTS_SIGNATURE_EXPIRATION
-        mExpirationCheckBox->setVisible(false);
-        mExpirationDateEdit->setVisible(false);
-#else
         {
             auto layout = new QHBoxLayout{q};
 
             mExpirationCheckBox->setText(i18n("Expiration:"));
 
             mExpirationDateEdit->setOptions(KDateComboBox::EditDate | KDateComboBox::SelectDate | KDateComboBox::DatePicker |
                                             KDateComboBox::DateKeywords | KDateComboBox::WarnOnInvalid);
             static const QDate maxAllowedDate{2106, 2, 6};
             const QDate today = QDate::currentDate();
             mExpirationDateEdit->setDateRange(today.addDays(1), maxAllowedDate,
                                               i18n("The certification must be valid at least until tomorrow."),
                                               i18n("The latest allowed certification date is %1.",
                                                    formatDate(maxAllowedDate, QLocale::ShortFormat)));
             mExpirationDateEdit->setDateMap({
                 {today.addYears(2), i18nc("Date for expiration of certification", "Two years from now")},
                 {today.addYears(1), i18nc("Date for expiration of certification", "One year from now")}
             });
             mExpirationDateEdit->setDate(today.addYears(2));
             mExpirationDateEdit->setEnabled(mExpirationCheckBox->isChecked());
 
             auto infoBtn = createInfoButton(i18n("You can use this to set an expiration date for a certification.") +
                                             QStringLiteral("<br/><br/>") +
                                             i18n("By setting an expiration date, you can limit the validity of "
                                                  "your certification to a certain amount of time. Once the expiration "
                                                  "date has passed, your certification is no longer valid."),
                                             q);
 
             layout->addWidget(mExpirationCheckBox);
             layout->addWidget(mExpirationDateEdit, 1);
             layout->addWidget(infoBtn);
 
             advLay->addLayout(layout);
         }
-#endif
 
-#ifndef QGPGME_SUPPORTS_TRUST_SIGNATURES
-        mTrustSignatureCB->setVisible(false);
-        mTrustSignatureDomainLE->setVisible(false);
-#else
         {
             auto layout = new QHBoxLayout{q};
 
             mTrustSignatureCB->setText(i18n("Certify as trusted introducer"));
             auto infoBtn = createInfoButton(i18n("You can use this to certify a trusted introducer for a domain.") +
                                             QStringLiteral("<br/><br/>") +
                                             i18n("All certificates with email addresses belonging to the domain "
                                                  "that have been certified by the trusted introducer are treated "
                                                  "as certified, i.e. a trusted introducer acts as a kind of "
                                                  "intermediate CA for a domain."),
                                             q);
 
             layout->addWidget(mTrustSignatureCB, 1);
             layout->addWidget(infoBtn);
 
             advLay->addLayout(layout);
         }
         {
             auto layout = new QHBoxLayout{q};
 
             mTrustSignatureDomainLE->setPlaceholderText(i18n("Domain"));
             mTrustSignatureDomainLE->setEnabled(mTrustSignatureCB->isChecked());
 
             layout->addSpacing(checkBoxSize(mTrustSignatureCB).width());
             layout->addWidget(mTrustSignatureDomainLE);
 
             advLay->addLayout(layout);
         }
-#endif
 
         expander->setContentLayout(advLay);
 
         connect(&mUserIDModel, &QStandardItemModel::itemChanged, q, &CertifyWidget::changed);
 
         connect(mExportCB, &QCheckBox::toggled, [this] (bool on) {
             mPublishCB->setEnabled(on);
         });
 
         connect(mSecKeySelect, &KeySelectionCombo::currentKeyChanged, [this] (const GpgME::Key &) {
             updateTags();
             checkOwnerTrust();
             Q_EMIT q->changed();
         });
 
         connect(mExpirationCheckBox, &QCheckBox::toggled, q, [this] (bool checked) {
             mExpirationDateEdit->setEnabled(checked);
             Q_EMIT q->changed();
         });
         connect(mExpirationDateEdit, &KDateComboBox::dateChanged, q, &CertifyWidget::changed);
 
         connect(mTrustSignatureCB, &QCheckBox::toggled, q, [this] (bool on) {
             mTrustSignatureDomainLE->setEnabled(on);
             Q_EMIT q->changed();
         });
         connect(mTrustSignatureDomainLE, &QLineEdit::textChanged, q, &CertifyWidget::changed);
 
         loadConfig();
     }
 
     ~Private() = default;
 
     void loadConfig()
     {
         const KConfigGroup conf(KSharedConfig::openConfig(), "CertifySettings");
         mSecKeySelect->setDefaultKey(conf.readEntry("LastKey", QString()));
         mExportCB->setChecked(conf.readEntry("ExportCheckState", false));
         mPublishCB->setChecked(conf.readEntry("PublishCheckState", false));
     }
 
     void updateTags()
     {
         if (mTagsLE->isModified()) {
             return;
         }
         GpgME::Key remarkKey = mSecKeySelect->currentKey();
 
         if (!remarkKey.isNull()) {
             std::vector<GpgME::UserID> uidsWithRemark;
             QString remark;
             for (const auto &uid: mTarget.userIDs()) {
                 GpgME::Error err;
                 const char *c_remark = uid.remark(remarkKey, err);
                 if (c_remark) {
                     const QString candidate = QString::fromUtf8(c_remark);
                     if (candidate != remark) {
                         qCDebug(KLEOPATRA_LOG) << "Different remarks on user IDs. Taking last.";
                         remark = candidate;
                         uidsWithRemark.clear();
                     }
                     uidsWithRemark.push_back(uid);
                 }
             }
             // Only select the user IDs with the correct remark
             if (!remark.isEmpty()) {
                 selectUserIDs(uidsWithRemark);
             }
             mTagsLE->setText(remark);
         }
     }
 
     void updateTrustSignatureDomain()
     {
         if (mTrustSignatureDomainLE->text().isEmpty() && mTarget.numUserIDs() == 1) {
             // try to guess the domain to use for the trust signature
             const auto address = mTarget.userID(0).addrSpec();
             const auto atPos = address.find('@');
             if (atPos != std::string::npos) {
                 const auto domain = address.substr(atPos + 1);
                 mTrustSignatureDomainLE->setText(QString::fromUtf8(domain.c_str(), domain.size()));
             }
         }
     }
 
     void setTarget(const GpgME::Key &key)
     {
         mFprLabel->setText(i18n("Fingerprint: <b>%1</b>",
                             Formatting::prettyID(key.primaryFingerprint())) + QStringLiteral("<br/>") +
                             i18n("<i>Only the fingerprint clearly identifies the key and its owner.</i>"));
         mUserIDModel.setKey(key);
         mTarget = key;
 
         auto keyFilter = std::make_shared<SecKeyFilter>();
         keyFilter->setExcludedKey(mTarget);
         mSecKeySelect->setKeyFilter(keyFilter);
 
         updateTags();
         updateTrustSignatureDomain();
     }
 
     GpgME::Key secKey() const
     {
         return mSecKeySelect->currentKey();
     }
 
     void selectUserIDs(const std::vector<GpgME::UserID> &uids)
     {
         const auto all = mTarget.userIDs();
 
         std::vector<unsigned int> indexes;
         indexes.reserve(uids.size());
 
         for (const auto &uid: uids) {
             const unsigned int idx =
                 std::distance(all.cbegin(), std::find_if(all.cbegin(), all.cend(),
                             [uid](const GpgME::UserID &other) { return uidEqual(uid, other); }));
             if (idx < all.size()) {
                 indexes.push_back(idx);
             }
         }
 
         mUserIDModel.setCheckedUserIDs(indexes);
     }
 
     std::vector<unsigned int> selectedUserIDs() const
     {
         return mUserIDModel.checkedUserIDs();
     }
 
     bool exportableSelected() const
     {
         return mExportCB->isChecked();
     }
 
     bool publishSelected() const
     {
         return mPublishCB->isChecked();
     }
 
     QString tags() const
     {
         return mTagsLE->text().trimmed();
     }
 
     GpgME::Key target() const
     {
         return mTarget;
     }
 
     bool isValid() const
     {
         static const QRegularExpression domainNameRegExp{QStringLiteral(R"(^\s*((xn--)?[a-z0-9]+(-[a-z0-9]+)*\.)+[a-z]{2,}\s*$)"),
                                                          QRegularExpression::CaseInsensitiveOption};
 
         // do not accept null keys
         if (mTarget.isNull() || mSecKeySelect->currentKey().isNull()) {
             return false;
         }
         // do not accept empty list of user IDs
         if (selectedUserIDs().empty()) {
             return false;
         }
         // do not accept if the key to certify is selected as certification key;
         // this shouldn't happen because the key to certify is excluded from the choice, but better safe than sorry
         if (_detail::ByFingerprint<std::equal_to>()(mTarget, mSecKeySelect->currentKey())) {
             return false;
         }
         if (mExpirationCheckBox->isChecked() && !mExpirationDateEdit->isValid()) {
             return false;
         }
         if (mTrustSignatureCB->isChecked() && !domainNameRegExp.match(mTrustSignatureDomainLE->text()).hasMatch()) {
             return false;
         }
         return true;
     }
 
     void checkOwnerTrust()
     {
         const auto secretKey = secKey();
         if (secretKey.ownerTrust() != GpgME::Key::Ultimate) {
             mMissingOwnerTrustInfo->setMessageType(KMessageWidget::Information);
             mMissingOwnerTrustInfo->setIcon(QIcon::fromTheme(QStringLiteral("question")));
             mMissingOwnerTrustInfo->setText(i18n("Is this your own key?"));
             mSetOwnerTrustAction->setEnabled(true);
             mMissingOwnerTrustInfo->animatedShow();
         } else {
             mMissingOwnerTrustInfo->animatedHide();
         }
     }
 
     void setOwnerTrust()
     {
         mSetOwnerTrustAction->setEnabled(false);
         QGpgME::ChangeOwnerTrustJob *const j = QGpgME::openpgp()->changeOwnerTrustJob();
         connect(j, &QGpgME::ChangeOwnerTrustJob::result, q, [this] (const GpgME::Error &err) {
             if (err) {
                 KMessageBox::sorry(q,
                                    i18n("<p>Changing the certification trust of the key <b>%1</b> failed:</p><p>%2</p>",
                                         Formatting::formatForComboBox(secKey()),
                                         QString::fromLocal8Bit(err.asString())),
                                    i18n("Certification Trust Change Failed"));
             }
             if (err || err.isCanceled()) {
                 mSetOwnerTrustAction->setEnabled(true);
             } else {
                 mMissingOwnerTrustInfo->setMessageType(KMessageWidget::Positive);
                 mMissingOwnerTrustInfo->setIcon(QIcon::fromTheme(QStringLiteral("checkmark")));
                 mMissingOwnerTrustInfo->setText(i18n("Owner trust set successfully."));
             }
         });
         j->start(secKey(), GpgME::Key::Ultimate);
     }
 
 public:
     CertifyWidget *const q;
     QLabel *mFprLabel = nullptr;
     KeySelectionCombo *mSecKeySelect = nullptr;
     KMessageWidget *mMissingOwnerTrustInfo = nullptr;
     QCheckBox *mExportCB = nullptr;
     QCheckBox *mPublishCB = nullptr;
     QLineEdit *mTagsLE = nullptr;
     QCheckBox *mTrustSignatureCB = nullptr;
     QLineEdit *mTrustSignatureDomainLE = nullptr;
     QCheckBox *mExpirationCheckBox = nullptr;
     KDateComboBox *mExpirationDateEdit = nullptr;
     QAction *mSetOwnerTrustAction = nullptr;
 
     UserIDModel mUserIDModel;
     GpgME::Key mTarget;
 };
 
 CertifyWidget::CertifyWidget(QWidget *parent)
     : QWidget{parent}
     , d{std::make_unique<Private>(this)}
 {
 }
 
 Kleo::CertifyWidget::~CertifyWidget() = default;
 
 void CertifyWidget::setTarget(const GpgME::Key &key)
 {
     d->setTarget(key);
 }
 
 GpgME::Key CertifyWidget::target() const
 {
     return d->target();
 }
 
 void CertifyWidget::selectUserIDs(const std::vector<GpgME::UserID> &uids)
 {
     d->selectUserIDs(uids);
 }
 
 std::vector<unsigned int> CertifyWidget::selectedUserIDs() const
 {
     return d->selectedUserIDs();
 }
 
 GpgME::Key CertifyWidget::secKey() const
 {
     return d->secKey();
 }
 
 bool CertifyWidget::exportableSelected() const
 {
     return d->exportableSelected();
 }
 
 QString CertifyWidget::tags() const
 {
     return d->tags();
 }
 
 bool CertifyWidget::publishSelected() const
 {
     return d->publishSelected();
 }
 
 bool CertifyWidget::trustSignatureSelected() const
 {
     return d->mTrustSignatureCB->isChecked();
 }
 
 QString CertifyWidget::trustSignatureDomain() const
 {
     return d->mTrustSignatureDomainLE->text().trimmed();
 }
 
 QDate CertifyWidget::expirationDate() const
 {
     return d->mExpirationCheckBox->isChecked() ? d->mExpirationDateEdit->date() : QDate{};
 }
 
 bool CertifyWidget::isValid() const
 {
     return d->isValid();
 }
 
 // For UserID model
 #include "certifywidget.moc"