feat: upgrade KeyGenDialog to meet easy and advanced requirements

8 files changed, 520 insertions, 455 deletions

diff --git a/src/ui/dialog/Wizard.cpp b/src/ui/dialog/Wizard.cpp
index ee70239a..32d88b31 100644
--- a/src/ui/dialog/Wizard.cpp
+++ b/src/ui/dialog/Wizard.cpp
@@ -29,14 +29,16 @@
 #include "Wizard.h"
 
 #include "core/function/GlobalSettingStation.h"
+#include "ui/GpgFrontendUI.h"
+#include "ui/dialog/key_generate/KeyGenDialog.h"
 
 namespace GpgFrontend::UI {
 
 Wizard::Wizard(QWidget* parent) : QWizard(parent) {
-  setPage(Page_Intro, new IntroPage(this));
-  setPage(Page_Choose, new ChoosePage(this));
-  setPage(Page_GenKey, new KeyGenPage(this));
-  setPage(Page_Conclusion, new ConclusionPage(this));
+  setPage(kPAGE_INTRO, new IntroPage(this));
+  setPage(kPAGE_CHOOSE, new ChoosePage(this));
+  setPage(kPAGE_GEN_KEY, new KeyGenPage(this));
+  setPage(kPAGE_CONCLUSION, new ConclusionPage(this));
 #ifndef Q_WS_MAC
   setWizardStyle(ModernStyle);
 #endif
@@ -98,7 +100,7 @@ IntroPage::IntroPage(QWidget* parent) : QWizardPage(parent) {
   setLayout(layout);
 }
 
-int IntroPage::nextId() const { return Wizard::Page_Choose; }
+int IntroPage::nextId() const { return Wizard::kPAGE_CHOOSE; }
 
 ChoosePage::ChoosePage(QWidget* parent) : QWizardPage(parent) {
   setTitle(tr("Choose your action..."));
@@ -143,7 +145,7 @@ ChoosePage::ChoosePage(QWidget* parent) : QWizardPage(parent) {
   layout->addWidget(encr_decy_text_label);
   layout->addWidget(sign_verify_text_label);
   setLayout(layout);
-  next_page_ = Wizard::Page_Conclusion;
+  next_page_ = Wizard::kPAGE_CONCLUSION;
 }
 
 int ChoosePage::nextId() const { return next_page_; }
@@ -190,7 +192,7 @@ KeyGenPage::KeyGenPage(QWidget* parent) : QWizardPage(parent) {
   setLayout(layout);
 }
 
-int KeyGenPage::nextId() const { return Wizard::Page_Conclusion; }
+int KeyGenPage::nextId() const { return Wizard::kPAGE_CONCLUSION; }
 
 void KeyGenPage::slot_generate_key_dialog() {
   (new KeyGenDialog(kGpgFrontendDefaultChannel, this))->show();
diff --git a/src/ui/dialog/Wizard.h b/src/ui/dialog/Wizard.h
index eae1d73d..91a5f846 100644
--- a/src/ui/dialog/Wizard.h
+++ b/src/ui/dialog/Wizard.h
@@ -29,10 +29,6 @@
 #pragma once
 
 #include "core/GpgConstants.h"
-#include "main_window/KeyMgmt.h"
-#include "ui/GpgFrontendUI.h"
-#include "ui/dialog/key_generate/KeygenDialog.h"
-#include "ui/dialog/settings/SettingsDialog.h"
 
 namespace GpgFrontend::UI {
 
@@ -45,7 +41,12 @@ class Wizard : public QWizard {
   Q_ENUMS(WizardPages)
 
  public:
-  enum WizardPages { Page_Intro, Page_Choose, Page_GenKey, Page_Conclusion };
+  enum WizardPages {
+    kPAGE_INTRO,
+    kPAGE_CHOOSE,
+    kPAGE_GEN_KEY,
+    kPAGE_CONCLUSION,
+  };
 
   /**
    * @brief Construct a new Wizard object
@@ -176,7 +177,7 @@ class ConclusionPage : public QWizardPage {
    *
    * @return int
    */
-  [[nodiscard]] int nextId() const override;
+  [[nodiscard]] auto nextId() const -> int override;
 
  private:
   QCheckBox* dont_show_wizard_checkbox_;  ///<
diff --git a/src/ui/dialog/key_generate/KeygenDialog.cpp b/src/ui/dialog/key_generate/KeygenDialog.cpp
index 0bf235ac..a5ba98d1 100644
--- a/src/ui/dialog/key_generate/KeygenDialog.cpp
+++ b/src/ui/dialog/key_generate/KeygenDialog.cpp
@@ -26,12 +26,11 @@
  *
  */
 
-#include "KeygenDialog.h"
+#include "KeyGenDialog.h"
 
 #include "core/GpgModel.h"
 #include "core/function/GlobalSettingStation.h"
 #include "core/function/gpg/GpgKeyOpera.h"
-#include "core/module/ModuleManager.h"
 #include "core/typedef/GpgTypedef.h"
 #include "core/utils/CacheUtils.h"
 #include "core/utils/GpgUtils.h"
@@ -39,440 +38,552 @@
 #include "ui/UserInterfaceUtils.h"
 #include "ui/function/GpgOperaHelper.h"
 
+//
+#include "ui_KeyGenDialog.h"
+
 namespace GpgFrontend::UI {
 
-KeyGenDialog::KeyGenDialog(int channel, QWidget* parent)
-    : GeneralDialog(typeid(KeyGenDialog).name(), parent),
-      default_gpg_context_channel_(channel) {
-  button_box_ =
-      new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel);
+auto SearchAlgoByName(const QString& name,
+                      const QContainer<KeyAlgo>& algos) -> QContainer<KeyAlgo> {
+  QContainer<KeyAlgo> res;
 
-  bool const longer_expiration_date =
-      GetSettings().value("basic/longer_expiration_date", false).toBool();
+  for (const auto& algo : algos) {
+    if (algo.Name() != name) continue;
+    res.append(algo);
+  }
 
-  max_date_time_ = longer_expiration_date
-                       ? QDateTime::currentDateTime().toLocalTime().addYears(30)
-                       : QDateTime::currentDateTime().toLocalTime().addYears(2);
+  return res;
+}
 
-  connect(this, &KeyGenDialog::SignalKeyGenerated,
-          UISignalStation::GetInstance(),
-          &UISignalStation::SignalKeyDatabaseRefresh);
+auto GetAlgoByNameAndKeyLength(const QString& name, int key_length,
+                               const QContainer<KeyAlgo>& algos)
+    -> std::tuple<bool, KeyAlgo> {
+  for (const auto& algo : algos) {
+    if (algo.Name() != name) continue;
+    if (algo.KeyLength() != key_length) continue;
+    return {true, algo};
+  }
 
-  generate_key_dialog();
+  return {};
+}
 
-  this->setWindowTitle(tr("Generate Key"));
-  this->setAttribute(Qt::WA_DeleteOnClose);
-  this->setModal(true);
+auto GetAlgoByName(const QString& name, const QContainer<KeyAlgo>& algos)
+    -> std::tuple<bool, KeyAlgo> {
+  for (const auto& algo : algos) {
+    if (algo.Name() != name) continue;
+    return {true, algo};
+  }
+
+  return {};
+}
+
+void SetKeyLengthComboxBoxByAlgo(QComboBox* combo,
+                                 const QContainer<KeyAlgo>& algos) {
+  combo->clear();
+
+  QContainer<KeyAlgo> sorted_algos(algos.begin(), algos.end());
+  std::sort(sorted_algos.begin(), sorted_algos.end(),
+            [](const KeyAlgo& a, const KeyAlgo& b) {
+              return a.KeyLength() < b.KeyLength();
+            });
+
+  QStringList key_lengths;
+  for (const auto& algo : sorted_algos) {
+    key_lengths.append(QString::number(algo.KeyLength()));
+  }
+
+  combo->addItems(key_lengths);
 }
 
-void KeyGenDialog::generate_key_dialog() {
-  key_usage_group_box_ = create_key_usage_group_box();
+KeyGenDialog::KeyGenDialog(int channel, QWidget* parent)
+    : GeneralDialog(typeid(KeyGenDialog).name(), parent),
+      ui_(QSharedPointer<Ui_KeyGenDialog>::create()),
+      gen_key_info_(QSharedPointer<GenKeyInfo>::create()),
+      gen_subkey_info_(nullptr),
+      supported_primary_key_algos_(GenKeyInfo::GetSupportedKeyAlgo()),
+      supported_subkey_algos_(GenKeyInfo::GetSupportedSubkeyAlgo()),
+      channel_(channel) {
+  ui_->setupUi(this);
+
+  for (const auto& key_db : GetGpgKeyDatabaseInfos()) {
+    ui_->keyDBIndexComboBox->insertItem(
+        key_db.channel, QString("%1: %2").arg(key_db.channel).arg(key_db.name));
+  }
 
-  auto* group_grid = new QGridLayout(this);
-  group_grid->addWidget(create_basic_info_group_box(), 0, 0);
-  group_grid->addWidget(key_usage_group_box_, 1, 0);
+  ui_->easyAlgoComboBox->addItems({
+      tr("Custom"),
+      "RSA",
+      "DSA",
+      "ECC (25519)",
+  });
 
-  auto* name_list = new QWidget(this);
-  name_list->setLayout(group_grid);
+  ui_->easyValidityPeriodComboBox->addItems({
+      tr("Custom"),
+      tr("3 Months"),
+      tr("6 Months"),
+      tr("1 Year"),
+      tr("2 Years"),
+      tr("5 Years"),
+      tr("10 Years"),
+      tr("Non Expired"),
+  });
 
-  auto* vbox2 = new QVBoxLayout();
-  vbox2->addWidget(name_list);
-  vbox2->addWidget(error_label_);
-  vbox2->addWidget(button_box_);
+  QSet<QString> p_algo_set;
+  for (const auto& algo : supported_primary_key_algos_) {
+    p_algo_set.insert(algo.Name());
+  }
+  ui_->pAlgoComboBox->addItems(
+      QStringList(p_algo_set.cbegin(), p_algo_set.cend()));
+
+  QSet<QString> s_algo_set;
+  for (const auto& algo : supported_subkey_algos_) {
+    s_algo_set.insert(algo.Name());
+  }
+  ui_->sAlgoComboBox->addItem(tr("None"));
+  ui_->sAlgoComboBox->addItems(
+      QStringList(s_algo_set.cbegin(), s_algo_set.cend()));
 
-  this->setLayout(vbox2);
+  ui_->easyAlgoComboBox->setCurrentText("RSA");
+  ui_->easyValidityPeriodComboBox->setCurrentText(tr("2 Years"));
 
-  set_signal_slot();
-  refresh_widgets_state();
+  set_signal_slot_config();
+
+  slot_easy_mode_changed("RSA");
+  slot_easy_valid_date_changed(tr("2 Years"));
+
+  this->setWindowTitle(tr("Generate Key"));
+  this->setAttribute(Qt::WA_DeleteOnClose);
+  this->setModal(true);
 }
 
 void KeyGenDialog::slot_key_gen_accept() {
   QString buffer;
   QTextStream error_stream(&buffer);
 
-  /**
-   * check for errors in keygen dialog input
-   */
-  if ((name_edit_->text()).size() < 5) {
-    error_stream << "  " << tr("Name must contain at least five characters.")
-                 << '\n';
+  if (ui_->nameEdit->text().size() < 5) {
+    error_stream << " -> " << tr("Name must contain at least five characters.")
+                 << Qt::endl;
   }
-  if (email_edit_->text().isEmpty() ||
-      !check_email_address(email_edit_->text())) {
-    error_stream << "  " << tr("Please give a email address.") << '\n';
+  if (ui_->emailEdit->text().isEmpty() ||
+      !check_email_address(ui_->emailEdit->text())) {
+    error_stream << " -> " << tr("Please give a valid email address.")
+                 << Qt::endl;
   }
 
-  /**
-   * primary keys should have a reasonable expiration date (no more than 2 years
-   * in the future)
-   */
-  if (date_edit_->dateTime() > max_date_time_) {
-    error_stream << "  " << tr("Expiration time too long.") << '\n';
+  const auto err_string = error_stream.readAll();
+  if (!err_string.isEmpty()) {
+    ui_->statusPlainTextEdit->clear();
+    ui_->statusPlainTextEdit->appendPlainText(err_string);
+    return;
   }
 
-  auto err_string = error_stream.readAll();
-  if (err_string.isEmpty()) {
-    /**
-     * create the string for key generation
-     */
-    gen_key_info_->SetName(name_edit_->text());
-    gen_key_info_->SetEmail(email_edit_->text());
-    gen_key_info_->SetComment(comment_edit_->text());
-
-    gen_key_info_->SetKeyLength(key_size_spin_box_->value());
-
-    if (no_pass_phrase_check_box_->checkState() != 0U) {
-      gen_key_info_->SetNonPassPhrase(true);
-      if (gen_subkey_info_ != nullptr) {
-        gen_subkey_info_->SetNonPassPhrase(true);
-      }
-    }
+  gen_key_info_->SetName(ui_->nameEdit->text());
+  gen_key_info_->SetEmail(ui_->emailEdit->text());
+  gen_key_info_->SetComment(ui_->commentEdit->text());
 
-    if (expire_check_box_->checkState() != 0U) {
-      gen_key_info_->SetNonExpired(true);
-      if (gen_subkey_info_ != nullptr) gen_subkey_info_->SetNonExpired(true);
-    } else {
-      gen_key_info_->SetExpireTime(date_edit_->dateTime());
-      if (gen_subkey_info_ != nullptr) {
-        gen_subkey_info_->SetExpireTime(date_edit_->dateTime());
-      }
+  if (ui_->noPassphraseCheckBox->checkState() != 0U) {
+    gen_key_info_->SetNonPassPhrase(true);
+    if (gen_subkey_info_ != nullptr) {
+      gen_subkey_info_->SetNonPassPhrase(true);
     }
+  }
 
-    if (!GetSettings()
-             .value("gnupg/use_pinentry_as_password_input_dialog",
-                    QString::fromLocal8Bit(qgetenv("container")) != "flatpak")
-             .toBool() &&
-        !no_pass_phrase_check_box_->isChecked()) {
-      SetCacheValue("PinentryContext", "NEW_PASSPHRASE");
+  if (ui_->pExpireCheckBox->checkState() != 0U) {
+    gen_key_info_->SetNonExpired(true);
+    if (gen_subkey_info_ != nullptr) gen_subkey_info_->SetNonExpired(true);
+  } else {
+    gen_key_info_->SetExpireTime(ui_->pValidityPeriodDateTimeEdit->dateTime());
+    if (gen_subkey_info_ != nullptr) {
+      gen_subkey_info_->SetExpireTime(
+          ui_->sValidityPeriodDateTimeEdit->dateTime());
     }
+  }
 
-    auto selected_gpg_context_channel = gpg_contexts_combo_box_->currentIndex();
-    LOG_D() << "try to generate key at gpg context channel: "
-            << selected_gpg_context_channel;
-
-    GpgOperaHelper::WaitForOpera(
-        this, tr("Generating"),
-        [this, gen_key_info = this->gen_key_info_,
-         selected_gpg_context_channel](const OperaWaitingHd& hd) {
-          GpgKeyOpera::GetInstance(selected_gpg_context_channel)
-              .GenerateKeyWithSubkey(
-                  gen_key_info, gen_subkey_info_,
-                  [this, hd](GpgError err, const DataObjectPtr&) {
-                    // stop showing waiting dialog
-                    hd();
-
-                    if (CheckGpgError(err) == GPG_ERR_USER_1) {
-                      QMessageBox::critical(this, tr("Error"),
-                                            tr("Unknown error occurred"));
-                      return;
-                    }
-
-                    CommonUtils::RaiseMessageBox(this->parentWidget() != nullptr
-                                                     ? this->parentWidget()
-                                                     : this,
-                                                 err);
-                    if (CheckGpgError(err) == GPG_ERR_NO_ERROR) {
-                      emit SignalKeyGenerated();
-                    }
-                  });
-        });
-
-    this->done(0);
+  if (!GetSettings()
+           .value("gnupg/use_pinentry_as_password_input_dialog",
+                  QString::fromLocal8Bit(qgetenv("container")) != "flatpak")
+           .toBool() &&
+      !ui_->noPassphraseCheckBox->isChecked()) {
+    SetCacheValue("PinentryContext", "NEW_PASSPHRASE");
+  }
 
-  } else {
-    /**
-     * create error message
-     */
-    error_label_->setAutoFillBackground(true);
-    QPalette error = error_label_->palette();
-    error.setColor(QPalette::Window, "#ff8080");
-    error_label_->setPalette(error);
-    error_label_->setText(err_string);
-
-    this->show();
+  LOG_D() << "try to generate key at gpg context channel: " << channel_;
+
+  GpgOperaHelper::WaitForOpera(
+      this, tr("Generating"),
+      [this, gen_key_info = this->gen_key_info_](const OperaWaitingHd& hd) {
+        GpgKeyOpera::GetInstance(channel_).GenerateKeyWithSubkey(
+            gen_key_info, gen_subkey_info_,
+            [this, hd](GpgError err, const DataObjectPtr&) {
+              // stop showing waiting dialog
+              hd();
+
+              if (CheckGpgError(err) == GPG_ERR_USER_1) {
+                QMessageBox::critical(this, tr("Error"),
+                                      tr("Unknown error occurred"));
+                return;
+              }
+
+              CommonUtils::RaiseMessageBox(
+                  this->parentWidget() != nullptr ? this->parentWidget() : this,
+                  err);
+              if (CheckGpgError(err) == GPG_ERR_NO_ERROR) {
+                emit SignalKeyGenerated();
+              }
+            });
+      });
+
+  this->done(0);
+}
+
+void KeyGenDialog::refresh_widgets_state() {
+  ui_->pAlgoComboBox->blockSignals(true);
+  ui_->pAlgoComboBox->setCurrentText(gen_key_info_->GetAlgo().Name());
+  ui_->pAlgoComboBox->blockSignals(false);
+
+  ui_->pKeyLengthComboBox->blockSignals(true);
+  SetKeyLengthComboxBoxByAlgo(
+      ui_->pKeyLengthComboBox,
+      SearchAlgoByName(ui_->pAlgoComboBox->currentText(),
+                       supported_primary_key_algos_));
+  ui_->pKeyLengthComboBox->setCurrentText(
+      QString::number(gen_key_info_->GetKeyLength()));
+  ui_->pKeyLengthComboBox->blockSignals(false);
+
+  ui_->pEncrCheckBox->blockSignals(true);
+  ui_->pEncrCheckBox->setCheckState(
+      gen_key_info_->IsAllowEncryption() ? Qt::Checked : Qt::Unchecked);
+  ui_->pEncrCheckBox->setEnabled(gen_key_info_->IsAllowChangeEncryption());
+  ui_->pEncrCheckBox->blockSignals(false);
+
+  ui_->pSignCheckBox->blockSignals(true);
+  ui_->pSignCheckBox->setCheckState(
+      gen_key_info_->IsAllowSigning() ? Qt::Checked : Qt::Unchecked);
+  ui_->pSignCheckBox->setEnabled(gen_key_info_->IsAllowChangeSigning());
+  ui_->pSignCheckBox->blockSignals(false);
+
+  ui_->pAuthCheckBox->blockSignals(true);
+  ui_->pAuthCheckBox->setCheckState(
+      gen_key_info_->IsAllowAuthentication() ? Qt::Checked : Qt::Unchecked);
+  ui_->pAuthCheckBox->setEnabled(gen_key_info_->IsAllowChangeAuthentication());
+  ui_->pAuthCheckBox->blockSignals(false);
+
+  ui_->noPassphraseCheckBox->setEnabled(gen_key_info_->IsAllowNoPassPhrase());
+
+  ui_->pValidityPeriodDateTimeEdit->blockSignals(true);
+  ui_->pValidityPeriodDateTimeEdit->setDateTime(gen_key_info_->GetExpireTime());
+  ui_->pValidityPeriodDateTimeEdit->setDisabled(gen_key_info_->IsNonExpired());
+  ui_->pValidityPeriodDateTimeEdit->blockSignals(false);
+
+  ui_->pExpireCheckBox->blockSignals(true);
+  ui_->pExpireCheckBox->setChecked(gen_key_info_->IsNonExpired());
+  ui_->pExpireCheckBox->blockSignals(false);
+
+  if (gen_subkey_info_ == nullptr) {
+    ui_->tab_3->setDisabled(true);
+
+    ui_->sAlgoComboBox->blockSignals(true);
+    ui_->sAlgoComboBox->setCurrentText(tr("None"));
+    ui_->sAlgoComboBox->blockSignals(false);
+
+    ui_->sKeyLengthComboBox->blockSignals(true);
+    ui_->sKeyLengthComboBox->clear();
+    ui_->sKeyLengthComboBox->blockSignals(false);
+
+    ui_->sEncrCheckBox->blockSignals(true);
+    ui_->sEncrCheckBox->setCheckState(Qt::Unchecked);
+    ui_->sEncrCheckBox->blockSignals(false);
+
+    ui_->sSignCheckBox->blockSignals(true);
+    ui_->sSignCheckBox->setCheckState(Qt::Unchecked);
+    ui_->sSignCheckBox->blockSignals(false);
+
+    ui_->sAuthCheckBox->blockSignals(true);
+    ui_->sAuthCheckBox->setCheckState(Qt::Unchecked);
+    ui_->sAuthCheckBox->blockSignals(false);
+
+    ui_->sValidityPeriodDateTimeEdit->blockSignals(true);
+    ui_->sValidityPeriodDateTimeEdit->setDateTime(QDateTime::currentDateTime());
+    ui_->sValidityPeriodDateTimeEdit->setDisabled(true);
+    ui_->sValidityPeriodDateTimeEdit->blockSignals(false);
+
+    ui_->sExpireCheckBox->blockSignals(true);
+    ui_->sExpireCheckBox->setCheckState(Qt::Unchecked);
+    ui_->sExpireCheckBox->blockSignals(false);
+    return;
   }
+
+  ui_->tab_3->setDisabled(false);
+
+  ui_->sAlgoComboBox->blockSignals(true);
+  ui_->sAlgoComboBox->setCurrentText(gen_subkey_info_->GetAlgo().Name());
+  ui_->sAlgoComboBox->blockSignals(false);
+
+  ui_->sKeyLengthComboBox->blockSignals(true);
+  SetKeyLengthComboxBoxByAlgo(
+      ui_->sKeyLengthComboBox,
+      SearchAlgoByName(ui_->sAlgoComboBox->currentText(),
+                       supported_subkey_algos_));
+  ui_->sKeyLengthComboBox->setCurrentText(
+      QString::number(gen_subkey_info_->GetKeyLength()));
+  ui_->sKeyLengthComboBox->blockSignals(false);
+
+  ui_->sEncrCheckBox->blockSignals(true);
+  ui_->sEncrCheckBox->setCheckState(
+      gen_subkey_info_->IsAllowEncryption() ? Qt::Checked : Qt::Unchecked);
+  ui_->sEncrCheckBox->setEnabled(gen_subkey_info_->IsAllowChangeEncryption());
+  ui_->sEncrCheckBox->blockSignals(false);
+
+  ui_->sSignCheckBox->blockSignals(true);
+  ui_->sSignCheckBox->setCheckState(
+      gen_subkey_info_->IsAllowSigning() ? Qt::Checked : Qt::Unchecked);
+  ui_->sSignCheckBox->setEnabled(gen_subkey_info_->IsAllowChangeSigning());
+  ui_->sSignCheckBox->blockSignals(false);
+
+  ui_->sAuthCheckBox->blockSignals(true);
+  ui_->sAuthCheckBox->setCheckState(
+      gen_subkey_info_->IsAllowAuthentication() ? Qt::Checked : Qt::Unchecked);
+  ui_->sAuthCheckBox->setEnabled(
+      gen_subkey_info_->IsAllowChangeAuthentication());
+  ui_->sAuthCheckBox->blockSignals(false);
+
+  ui_->sValidityPeriodDateTimeEdit->blockSignals(true);
+  ui_->sValidityPeriodDateTimeEdit->setDateTime(
+      gen_subkey_info_->GetExpireTime());
+  ui_->sValidityPeriodDateTimeEdit->setDisabled(
+      gen_subkey_info_->IsNonExpired());
+  ui_->sValidityPeriodDateTimeEdit->blockSignals(false);
+
+  ui_->sExpireCheckBox->blockSignals(true);
+  ui_->sExpireCheckBox->setChecked(gen_subkey_info_->IsNonExpired());
+  ui_->sExpireCheckBox->blockSignals(false);
 }
 
-void KeyGenDialog::slot_expire_box_changed() {}
+void KeyGenDialog::set_signal_slot_config() {
+  connect(ui_->generateButton, &QPushButton::clicked, this,
+          &KeyGenDialog::slot_key_gen_accept);
+
+  connect(ui_->pExpireCheckBox, &QCheckBox::stateChanged, this,
+          [this](int state) {
+            ui_->pValidityPeriodDateTimeEdit->setDisabled(state == Qt::Checked);
+
+            slot_set_easy_valid_date_2_custom();
+          });
+  connect(ui_->sExpireCheckBox, &QCheckBox::stateChanged, this,
+          [this](int state) {
+            ui_->sValidityPeriodDateTimeEdit->setDisabled(state == Qt::Checked);
+
+            slot_set_easy_valid_date_2_custom();
+          });
+
+  connect(ui_->pEncrCheckBox, &QCheckBox::stateChanged, this,
+          [this](int state) {
+            gen_key_info_->SetAllowEncryption(state == Qt::Checked);
+          });
+  connect(ui_->pSignCheckBox, &QCheckBox::stateChanged, this,
+          [this](int state) {
+            gen_key_info_->SetAllowSigning(state == Qt::Checked);
+          });
+  connect(ui_->pAuthCheckBox, &QCheckBox::stateChanged, this,
+          [this](int state) {
+            gen_key_info_->SetAllowAuthentication(state == Qt::Checked);
+          });
+
+  connect(ui_->sEncrCheckBox, &QCheckBox::stateChanged, this,
+          [this](int state) {
+            gen_subkey_info_->SetAllowEncryption(state == Qt::Checked);
+          });
+  connect(ui_->sSignCheckBox, &QCheckBox::stateChanged, this,
+          [this](int state) {
+            gen_subkey_info_->SetAllowSigning(state == Qt::Checked);
+          });
+  connect(ui_->sAuthCheckBox, &QCheckBox::stateChanged, this,
+          [this](int state) {
+            gen_subkey_info_->SetAllowAuthentication(state == Qt::Checked);
+          });
+
+  connect(ui_->noPassphraseCheckBox, &QCheckBox::stateChanged, this,
+          [this](int state) -> void {
+            gen_key_info_->SetNonPassPhrase(state != 0);
+            if (gen_subkey_info_ != nullptr) {
+              gen_subkey_info_->SetNonPassPhrase(state != 0);
+            }
+          });
+
+  connect(ui_->pAlgoComboBox, &QComboBox::currentTextChanged, this,
+          [=](const QString&) {
+            sync_gen_key_info();
+            slot_set_easy_key_algo_2_custom();
+            refresh_widgets_state();
+          });
 
-auto KeyGenDialog::create_key_usage_group_box() -> QGroupBox* {
-  auto* group_box = new QGroupBox(this);
-  auto* grid = new QGridLayout(this);
+  connect(ui_->sAlgoComboBox, &QComboBox::currentTextChanged, this,
+          [=](const QString&) {
+            sync_gen_subkey_info();
+            slot_set_easy_key_algo_2_custom();
+            refresh_widgets_state();
+          });
 
-  group_box->setTitle(tr("Key Usage"));
+  connect(ui_->easyAlgoComboBox, &QComboBox::currentTextChanged, this,
+          &KeyGenDialog::slot_easy_mode_changed);
 
-  auto* encrypt = new QCheckBox(tr("Encryption"), group_box);
-  encrypt->setTristate(false);
+  connect(ui_->easyValidityPeriodComboBox, &QComboBox::currentTextChanged, this,
+          &KeyGenDialog::slot_easy_valid_date_changed);
 
-  auto* sign = new QCheckBox(tr("Signing"), group_box);
-  sign->setTristate(false);
+  connect(ui_->pValidityPeriodDateTimeEdit, &QDateTimeEdit::dateTimeChanged,
+          this, [=](const QDateTime& dt) {
+            gen_key_info_->SetExpireTime(dt);
 
-  auto* cert = new QCheckBox(tr("Certification"), group_box);
-  cert->setTristate(false);
+            slot_set_easy_valid_date_2_custom();
+          });
 
-  auto* auth = new QCheckBox(tr("Authentication"), group_box);
-  auth->setTristate(false);
+  connect(ui_->sValidityPeriodDateTimeEdit, &QDateTimeEdit::dateTimeChanged,
+          this, [=](const QDateTime& dt) {
+            gen_subkey_info_->SetExpireTime(dt);
 
-  key_usage_check_boxes_.push_back(encrypt);
-  key_usage_check_boxes_.push_back(sign);
-  key_usage_check_boxes_.push_back(cert);
-  key_usage_check_boxes_.push_back(auth);
+            slot_set_easy_valid_date_2_custom();
+          });
 
-  grid->addWidget(encrypt, 0, 0);
-  grid->addWidget(sign, 0, 1);
-  grid->addWidget(cert, 1, 0);
-  grid->addWidget(auth, 1, 1);
+  connect(ui_->keyDBIndexComboBox, &QComboBox::currentIndexChanged, this,
+          [=](int index) { channel_ = index; });
 
-  group_box->setLayout(grid);
+  connect(this, &KeyGenDialog::SignalKeyGenerated,
+          UISignalStation::GetInstance(),
+          &UISignalStation::SignalKeyDatabaseRefresh);
+}
 
-  return group_box;
+auto KeyGenDialog::check_email_address(const QString& str) -> bool {
+  return re_email_.match(str).hasMatch();
 }
 
-void KeyGenDialog::slot_encryption_box_changed(int state) {
-  if (state == 0) {
-    gen_key_info_->SetAllowEncryption(false);
-  } else {
-    gen_key_info_->SetAllowEncryption(true);
+void KeyGenDialog::sync_gen_key_info() {
+  auto [found, algo] = GetAlgoByName(ui_->pAlgoComboBox->currentText(),
+
+                                     supported_primary_key_algos_);
+
+  ui_->generateButton->setDisabled(!found);
+
+  if (found) {
+    gen_key_info_->SetAlgo(algo);
   }
 }
 
-void KeyGenDialog::slot_signing_box_changed(int state) {
-  if (state == 0) {
-    gen_key_info_->SetAllowSigning(false);
-  } else {
-    gen_key_info_->SetAllowSigning(true);
+void KeyGenDialog::sync_gen_subkey_info() {
+  if (gen_subkey_info_ != nullptr) {
+    auto [s_found, algo] = GetAlgoByName(ui_->sAlgoComboBox->currentText(),
+                                         supported_subkey_algos_);
+
+    ui_->generateButton->setDisabled(!s_found);
+    if (s_found) gen_subkey_info_->SetAlgo(algo);
   }
 }
 
-void KeyGenDialog::slot_certification_box_changed(int state) {
-  if (state == 0) {
-    gen_key_info_->SetAllowCertification(false);
-  } else {
-    gen_key_info_->SetAllowCertification(true);
+void KeyGenDialog::slot_easy_mode_changed(const QString& mode) {
+  if (mode == "RSA") {
+    auto [found, algo] = GenKeyInfo::SearchPrimaryKeyAlgo("rsa2048");
+    if (found) gen_key_info_->SetAlgo(algo);
+
+    gen_subkey_info_ = nullptr;
   }
-}
 
-void KeyGenDialog::slot_authentication_box_changed(int state) {
-  if (state == 0) {
-    gen_key_info_->SetAllowAuthentication(false);
-  } else {
-    gen_key_info_->SetAllowAuthentication(true);
+  else if (mode == "DSA") {
+    auto [found, algo] = GenKeyInfo::SearchPrimaryKeyAlgo("dsa2048");
+    if (found) gen_key_info_->SetAlgo(algo);
+
+    if (gen_subkey_info_ == nullptr) {
+      gen_subkey_info_ = QSharedPointer<GenKeyInfo>::create(true);
+    }
+
+    auto [s_found, s_algo] = GenKeyInfo::SearchSubKeyAlgo("elg2048");
+    if (s_found) gen_subkey_info_->SetAlgo(s_algo);
   }
-}
 
-void KeyGenDialog::slot_activated_key_type(int index) {
-  // check
-  assert(gen_key_info_->GetSupportedKeyAlgo().size() >
-         static_cast<size_t>(index));
+  else if (mode == "ECC (25519)") {
+    auto [found, algo] = GenKeyInfo::SearchPrimaryKeyAlgo("ed25519");
+    if (found) gen_key_info_->SetAlgo(algo);
 
-  const auto [name, key_algo, subkey_algo] =
-      gen_key_info_->GetSupportedKeyAlgo()[index];
+    if (gen_subkey_info_ == nullptr) {
+      gen_subkey_info_ = QSharedPointer<GenKeyInfo>::create(true);
+    }
+
+    auto [s_found, s_algo] = GenKeyInfo::SearchSubKeyAlgo("cv25519");
+    if (s_found) gen_subkey_info_->SetAlgo(s_algo);
+  }
 
-  assert(!key_algo.isEmpty());
-  gen_key_info_->SetAlgo(key_algo);
+  else {
+    auto [found, algo] = GenKeyInfo::SearchPrimaryKeyAlgo("rsa2048");
+    if (found) gen_key_info_->SetAlgo(algo);
 
-  if (!subkey_algo.isEmpty()) {
     if (gen_subkey_info_ == nullptr) {
-      gen_subkey_info_ = SecureCreateSharedObject<GenKeyInfo>(true);
+      gen_subkey_info_ = QSharedPointer<GenKeyInfo>::create(true);
     }
-    gen_subkey_info_->SetAlgo(subkey_algo);
-  } else {
-    gen_subkey_info_ = nullptr;
+
+    auto [s_found, s_algo] = GenKeyInfo::SearchSubKeyAlgo("rsa2048");
+    if (s_found) gen_subkey_info_->SetAlgo(s_algo);
   }
 
   refresh_widgets_state();
 }
 
-void KeyGenDialog::refresh_widgets_state() {
-  if (gen_key_info_->IsAllowEncryption() ||
-      (gen_subkey_info_ != nullptr && gen_subkey_info_->IsAllowEncryption())) {
-    key_usage_check_boxes_[0]->setCheckState(Qt::CheckState::Checked);
-  } else {
-    key_usage_check_boxes_[0]->setCheckState(Qt::CheckState::Unchecked);
+void KeyGenDialog::slot_easy_valid_date_changed(const QString& mode) {
+  if (mode == tr("3 Months")) {
+    gen_key_info_->SetNonExpired(false);
+    gen_key_info_->SetExpireTime(QDateTime::currentDateTime().addMonths(3));
   }
 
-  if (gen_key_info_->IsAllowChangeEncryption() ||
-      (gen_subkey_info_ != nullptr &&
-       gen_subkey_info_->IsAllowChangeEncryption())) {
-    key_usage_check_boxes_[0]->setDisabled(false);
-  } else {
-    key_usage_check_boxes_[0]->setDisabled(true);
+  else if (mode == tr("6 Months")) {
+    gen_key_info_->SetNonExpired(false);
+    gen_key_info_->SetExpireTime(QDateTime::currentDateTime().addMonths(6));
   }
 
-  if (gen_key_info_->IsAllowSigning() ||
-      (gen_subkey_info_ != nullptr && gen_subkey_info_->IsAllowSigning())) {
-    key_usage_check_boxes_[1]->setCheckState(Qt::CheckState::Checked);
-  } else {
-    key_usage_check_boxes_[1]->setCheckState(Qt::CheckState::Unchecked);
+  else if (mode == tr("1 Year")) {
+    gen_key_info_->SetNonExpired(false);
+    gen_key_info_->SetExpireTime(QDateTime::currentDateTime().addYears(1));
   }
 
-  if (gen_key_info_->IsAllowChangeSigning() ||
-      (gen_subkey_info_ != nullptr &&
-       gen_subkey_info_->IsAllowChangeSigning())) {
-    key_usage_check_boxes_[1]->setDisabled(false);
-  } else {
-    key_usage_check_boxes_[1]->setDisabled(true);
+  else if (mode == tr("2 Years")) {
+    gen_key_info_->SetNonExpired(false);
+    gen_key_info_->SetExpireTime(QDateTime::currentDateTime().addYears(2));
   }
 
-  if (gen_key_info_->IsAllowCertification() ||
-      (gen_subkey_info_ != nullptr &&
-       gen_subkey_info_->IsAllowCertification())) {
-    key_usage_check_boxes_[2]->setCheckState(Qt::CheckState::Checked);
-  } else {
-    key_usage_check_boxes_[2]->setCheckState(Qt::CheckState::Unchecked);
+  else if (mode == tr("5 Years")) {
+    gen_key_info_->SetNonExpired(false);
+    gen_key_info_->SetExpireTime(QDateTime::currentDateTime().addYears(5));
   }
 
-  if (gen_key_info_->IsAllowChangeCertification() ||
-      (gen_subkey_info_ != nullptr &&
-       gen_subkey_info_->IsAllowChangeCertification())) {
-    key_usage_check_boxes_[2]->setDisabled(false);
-  } else {
-    key_usage_check_boxes_[2]->setDisabled(true);
-  }
+  else if (mode == tr("10 Years")) {
+    gen_key_info_->SetNonExpired(false);
+    gen_key_info_->SetExpireTime(QDateTime::currentDateTime().addYears(10));
 
-  if (gen_key_info_->IsAllowAuthentication() ||
-      (gen_subkey_info_ != nullptr &&
-       gen_subkey_info_->IsAllowAuthentication())) {
-    key_usage_check_boxes_[3]->setCheckState(Qt::CheckState::Checked);
-  } else {
-    key_usage_check_boxes_[3]->setCheckState(Qt::CheckState::Unchecked);
   }
 
-  if (gen_key_info_->IsAllowChangeAuthentication() ||
-      (gen_subkey_info_ != nullptr &&
-       gen_subkey_info_->IsAllowChangeAuthentication())) {
-    key_usage_check_boxes_[3]->setDisabled(false);
-  } else {
-    key_usage_check_boxes_[3]->setDisabled(true);
+  else if (mode == tr("Non Expired")) {
+    gen_key_info_->SetNonExpired(true);
+    gen_key_info_->SetExpireTime(QDateTime::currentDateTime());
   }
 
-  if (gen_key_info_->IsAllowNoPassPhrase()) {
-    no_pass_phrase_check_box_->setDisabled(false);
-  } else {
-    no_pass_phrase_check_box_->setDisabled(true);
+  else {
+    gen_key_info_->SetNonExpired(false);
+    gen_key_info_->SetExpireTime(QDateTime::currentDateTime().addYears(2));
   }
 
-  if (gen_key_info_->GetSuggestMinKeySize() == -1 ||
-      gen_key_info_->GetSuggestMaxKeySize() == -1) {
-    key_size_spin_box_->setDisabled(true);
-    key_size_spin_box_->setRange(0, 0);
-    key_size_spin_box_->setValue(0);
-    key_size_spin_box_->setSingleStep(0);
-  } else {
-    key_size_spin_box_->setDisabled(false);
-    key_size_spin_box_->setRange(gen_key_info_->GetSuggestMinKeySize(),
-                                 gen_key_info_->GetSuggestMaxKeySize());
-    key_size_spin_box_->setValue(gen_key_info_->GetKeyLength());
-    key_size_spin_box_->setSingleStep(gen_key_info_->GetSizeChangeStep());
+  if (gen_subkey_info_ != nullptr) {
+    gen_subkey_info_->SetExpireTime(gen_key_info_->GetExpireTime());
+    gen_subkey_info_->SetNonExpired(gen_key_info_->IsNonExpired());
   }
-}
-
-void KeyGenDialog::set_signal_slot() {
-  connect(button_box_, &QDialogButtonBox::accepted, this,
-          &KeyGenDialog::slot_key_gen_accept);
-  connect(button_box_, &QDialogButtonBox::rejected, this,
-          &KeyGenDialog::reject);
-
-  connect(expire_check_box_, &QCheckBox::stateChanged, this, [this]() {
-    date_edit_->setDisabled(expire_check_box_->checkState() != 0U);
-  });
-
-  connect(key_usage_check_boxes_[0], &QCheckBox::stateChanged, this,
-          &KeyGenDialog::slot_encryption_box_changed);
-  connect(key_usage_check_boxes_[1], &QCheckBox::stateChanged, this,
-          &KeyGenDialog::slot_signing_box_changed);
-  connect(key_usage_check_boxes_[2], &QCheckBox::stateChanged, this,
-          &KeyGenDialog::slot_certification_box_changed);
-  connect(key_usage_check_boxes_[3], &QCheckBox::stateChanged, this,
-          &KeyGenDialog::slot_authentication_box_changed);
 
-  connect(key_type_combo_box_, qOverload<int>(&QComboBox::currentIndexChanged),
-          this, &KeyGenDialog::slot_activated_key_type);
-
-  connect(no_pass_phrase_check_box_, &QCheckBox::stateChanged, this,
-          [this](int state) -> void {
-            gen_key_info_->SetNonPassPhrase(state != 0);
-            if (gen_subkey_info_ != nullptr) {
-              gen_subkey_info_->SetNonPassPhrase(state != 0);
-            }
-          });
+  refresh_widgets_state();
 }
 
-auto KeyGenDialog::check_email_address(const QString& str) -> bool {
-  return re_email_.match(str).hasMatch();
+void KeyGenDialog::slot_set_easy_valid_date_2_custom() {
+  ui_->easyValidityPeriodComboBox->blockSignals(true);
+  ui_->easyValidityPeriodComboBox->setCurrentText(tr("Custom"));
+  ui_->easyValidityPeriodComboBox->blockSignals(false);
 }
 
-auto KeyGenDialog::create_basic_info_group_box() -> QGroupBox* {
-  error_label_ = new QLabel();
-  name_edit_ = new QLineEdit(this);
-  email_edit_ = new QLineEdit(this);
-  comment_edit_ = new QLineEdit(this);
-  key_size_spin_box_ = new QSpinBox(this);
-  key_type_combo_box_ = new QComboBox(this);
-  gpg_contexts_combo_box_ = new QComboBox(this);
-
-  auto gpg_context_index_list =
-      Module::ListRTChildKeys("core", "gpgme.ctx.list");
-
-  for (auto& context_index : gpg_context_index_list) {
-    const auto grt_key_prefix = QString("gpgme.ctx.list.%1").arg(context_index);
-    auto channel = Module::RetrieveRTValueTypedOrDefault(
-        "core", grt_key_prefix + ".channel", -1);
-    auto database_name = Module::RetrieveRTValueTypedOrDefault(
-        "core", grt_key_prefix + ".database_name", QString{});
-    gpg_contexts_combo_box_->addItem(
-        QString("%1: %2").arg(channel).arg(database_name));
-  }
-  gpg_contexts_combo_box_->setCurrentIndex(default_gpg_context_channel_);
-
-  for (const auto& algo : GenKeyInfo::GetSupportedKeyAlgo()) {
-    key_type_combo_box_->addItem(std::get<0>(algo));
-  }
-  if (!GenKeyInfo::GetSupportedKeyAlgo().empty()) {
-    key_type_combo_box_->setCurrentIndex(0);
-  }
-
-  date_edit_ =
-      new QDateTimeEdit(QDateTime::currentDateTime().addYears(2), this);
-  date_edit_->setMinimumDateTime(QDateTime::currentDateTime());
-  date_edit_->setMaximumDateTime(max_date_time_);
-  date_edit_->setDisplayFormat("dd/MM/yyyy hh:mm:ss");
-  date_edit_->setCalendarPopup(true);
-  date_edit_->setEnabled(true);
-
-  expire_check_box_ = new QCheckBox(this);
-  expire_check_box_->setCheckState(Qt::Unchecked);
-
-  no_pass_phrase_check_box_ = new QCheckBox(this);
-  no_pass_phrase_check_box_->setCheckState(Qt::Unchecked);
-
-  auto* vbox1 = new QGridLayout;
-
-  vbox1->addWidget(new QLabel(tr("Key Database") + ": "), 0, 0);
-  vbox1->addWidget(new QLabel(tr("Name") + ": "), 1, 0);
-  vbox1->addWidget(new QLabel(tr("Email Address") + ": "), 2, 0);
-  vbox1->addWidget(new QLabel(tr("Comment") + ": "), 3, 0);
-  vbox1->addWidget(new QLabel(tr("Expiration Date") + ": "), 4, 0);
-  vbox1->addWidget(new QLabel(tr("Never Expire") + ": "), 4, 3);
-  vbox1->addWidget(new QLabel(tr("KeySize (in Bit)") + ": "), 5, 0);
-  vbox1->addWidget(new QLabel(tr("Key Type") + ": "), 6, 0);
-  vbox1->addWidget(new QLabel(tr("Non Pass Phrase")), 7, 0);
-
-  vbox1->addWidget(gpg_contexts_combo_box_, 0, 1, 1, 3);
-  vbox1->addWidget(name_edit_, 1, 1, 1, 3);
-  vbox1->addWidget(email_edit_, 2, 1, 1, 3);
-  vbox1->addWidget(comment_edit_, 3, 1, 1, 3);
-  vbox1->addWidget(date_edit_, 4, 1);
-  vbox1->addWidget(expire_check_box_, 4, 2);
-  vbox1->addWidget(key_size_spin_box_, 5, 1);
-  vbox1->addWidget(key_type_combo_box_, 6, 1);
-  vbox1->addWidget(no_pass_phrase_check_box_, 7, 1);
-
-  auto* basic_info_group_box = new QGroupBox();
-  basic_info_group_box->setLayout(vbox1);
-  basic_info_group_box->setTitle(tr("Basic Information"));
-
-  return basic_info_group_box;
+void KeyGenDialog::slot_set_easy_key_algo_2_custom() {
+  ui_->easyAlgoComboBox->blockSignals(true);
+  ui_->easyAlgoComboBox->setCurrentText(tr("Custom"));
+  ui_->easyAlgoComboBox->blockSignals(false);
 }
-
 }  // namespace GpgFrontend::UI
diff --git a/src/ui/dialog/key_generate/KeygenDialog.h b/src/ui/dialog/key_generate/KeygenDialog.h
index dbb5048e..fd827ecd 100644
--- a/src/ui/dialog/key_generate/KeygenDialog.h
+++ b/src/ui/dialog/key_generate/KeygenDialog.h
@@ -35,6 +35,8 @@
 #include "ui/GpgFrontendUI.h"
 #include "ui/dialog/GeneralDialog.h"
 
+class Ui_KeyGenDialog;
+
 namespace GpgFrontend::UI {
 
 /**
@@ -61,131 +63,95 @@ class KeyGenDialog : public GeneralDialog {
    */
   void SignalKeyGenerated();
 
- private:
-  /**
-   * @brief Create a key usage group box object
-   *
-   * @return QGroupBox*
-   */
-  QGroupBox* create_key_usage_group_box();
+ private slots:
 
   /**
-   * @brief Create a basic info group box object
-   *
-   * @return QGroupBox*
+   * @details check all lineedits for false entries. Show error, when there
+   * is one, otherwise generate the key
    */
-  QGroupBox* create_basic_info_group_box();
+  void slot_key_gen_accept();
 
   /**
    * @brief
    *
+   * @param mode
    */
-  QRegularExpression re_email_{
-      R"((?:[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*|"(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21\x23-\x5b\x5d-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])*")@(?:(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?|\[(?:(?:(2(5[0-5]|[0-4][0-9])|1[0-9][0-9]|[1-9]?[0-9]))\.){3}(?:(2(5[0-5]|[0-4][0-9])|1[0-9][0-9]|[1-9]?[0-9])|[a-z0-9-]*[a-z0-9]:(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21-\x5a\x53-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])+)\]))"};
+  void slot_easy_mode_changed(const QString& mode);
 
   /**
    * @brief
    *
+   * @param mode
    */
-  QStringList error_messages_;  ///< List of errors occurring when checking
-                                ///< entries of line edits
-
-  std::shared_ptr<GenKeyInfo> gen_key_info_ =
-      SecureCreateSharedObject<GenKeyInfo>();              ///<
-  std::shared_ptr<GenKeyInfo> gen_subkey_info_ = nullptr;  ///<
-
-  QDialogButtonBox* button_box_;     ///< Box for standard buttons
-  QLabel* error_label_{};            ///< Label containing error message
-  QLineEdit* name_edit_{};           ///< Line edit for the keys name
-  QLineEdit* email_edit_{};          ///< Line edit for the keys email
-  QLineEdit* comment_edit_{};        ///< Line edit for the keys comment
-  QSpinBox* key_size_spin_box_{};    ///< Spinbox for the keys size (in bit)
-  QComboBox* key_type_combo_box_{};  ///< Combobox for Key type
-  QDateTimeEdit* date_edit_{};       ///< Date edit for expiration date
-  QCheckBox* expire_check_box_{};    ///< Checkbox, if key should expire
-  QCheckBox* no_pass_phrase_check_box_{};
-  QGroupBox* key_usage_group_box_{};  ///< Group of Widgets detecting the usage
-                                      ///< of the Key
-  QDateTime max_date_time_;           ///<
-  QContainer<QCheckBox*> key_usage_check_boxes_;  ///< ENCR, SIGN, CERT, AUTH
-  QComboBox* gpg_contexts_combo_box_{};
-
-  int default_gpg_context_channel_;
+  void slot_easy_valid_date_changed(const QString& mode);
 
   /**
    * @brief
    *
    */
-  void generate_key_dialog();
+  void slot_set_easy_valid_date_2_custom();
 
   /**
-   * @details Refresh widgets state by GenKeyInfo
+   * @brief
+   *
    */
-  void refresh_widgets_state();
+  void slot_set_easy_key_algo_2_custom();
 
+ private:
   /**
-   * @brief Set the signal slot object
+   * @brief
    *
    */
-  void set_signal_slot();
+  QRegularExpression re_email_{
+      R"((?:[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*|"(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21\x23-\x5b\x5d-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])*")@(?:(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?|\[(?:(?:(2(5[0-5]|[0-4][0-9])|1[0-9][0-9]|[1-9]?[0-9]))\.){3}(?:(2(5[0-5]|[0-4][0-9])|1[0-9][0-9]|[1-9]?[0-9])|[a-z0-9-]*[a-z0-9]:(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21-\x5a\x53-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])+)\]))"};
 
   /**
    * @brief
    *
-   * @param str
-   * @return true
-   * @return false
    */
-  bool check_email_address(const QString& str);
+  QStringList error_messages_;  ///< List of errors occurring when checking
+                                ///< entries of line edits
 
- private slots:
+  QSharedPointer<Ui_KeyGenDialog> ui_;
+  QSharedPointer<GenKeyInfo> gen_key_info_;     ///<
+  QSharedPointer<GenKeyInfo> gen_subkey_info_;  ///<
 
-  /**
-   * @details when expirebox was checked/unchecked, enable/disable the
-   * expiration date box
-   */
-  void slot_expire_box_changed();
+  QContainer<KeyAlgo> supported_primary_key_algos_;
+  QContainer<KeyAlgo> supported_subkey_algos_;
 
-  /**
-   * @details check all lineedits for false entries. Show error, when there is
-   * one, otherwise generate the key
-   */
-  void slot_key_gen_accept();
+  int channel_;
 
   /**
-   * @brief
-   *
-   * @param state
+   * @details Refresh widgets state by GenKeyInfo
    */
-  void slot_encryption_box_changed(int state);
+  void refresh_widgets_state();
 
   /**
-   * @brief
+   * @brief Set the signal slot object
    *
-   * @param state
    */
-  void slot_signing_box_changed(int state);
+  void set_signal_slot_config();
 
   /**
    * @brief
    *
-   * @param state
+   * @param str
+   * @return true
+   * @return false
    */
-  void slot_certification_box_changed(int state);
+  auto check_email_address(const QString& str) -> bool;
 
   /**
    * @brief
    *
-   * @param state
    */
-  void slot_authentication_box_changed(int state);
+  void sync_gen_key_info();
 
   /**
    * @brief
    *
-   * @param index
    */
-  void slot_activated_key_type(int index);
+  void sync_gen_subkey_info();
 };
 
 }  // namespace GpgFrontend::UI
diff --git a/src/ui/dialog/key_generate/SubkeyGenerateDialog.cpp b/src/ui/dialog/key_generate/SubkeyGenerateDialog.cpp
index 527d335b..b55e4b28 100644
--- a/src/ui/dialog/key_generate/SubkeyGenerateDialog.cpp
+++ b/src/ui/dialog/key_generate/SubkeyGenerateDialog.cpp
@@ -128,7 +128,7 @@ QGroupBox* SubkeyGenerateDialog::create_basic_info_group_box() {
   no_pass_phrase_check_box_ = new QCheckBox(this);
 
   for (const auto& algo : GenKeyInfo::GetSupportedSubkeyAlgo()) {
-    key_type_combo_box_->addItem(std::get<0>(algo));
+    key_type_combo_box_->addItem(algo.Name());
   }
   if (!GenKeyInfo::GetSupportedSubkeyAlgo().empty()) {
     key_type_combo_box_->setCurrentIndex(0);
@@ -249,20 +249,6 @@ void SubkeyGenerateDialog::refresh_widgets_state() {
   } else {
     key_usage_check_boxes_[3]->setDisabled(true);
   }
-
-  if (gen_key_info_->GetSuggestMinKeySize() == -1 ||
-      gen_key_info_->GetSuggestMaxKeySize() == -1) {
-    key_size_spin_box_->setDisabled(true);
-    key_size_spin_box_->setRange(0, 0);
-    key_size_spin_box_->setValue(0);
-    key_size_spin_box_->setSingleStep(0);
-  } else {
-    key_size_spin_box_->setDisabled(false);
-    key_size_spin_box_->setRange(gen_key_info_->GetSuggestMinKeySize(),
-                                 gen_key_info_->GetSuggestMaxKeySize());
-    key_size_spin_box_->setValue(gen_key_info_->GetKeyLength());
-    key_size_spin_box_->setSingleStep(gen_key_info_->GetSizeChangeStep());
-  }
 }
 
 void SubkeyGenerateDialog::slot_key_gen_accept() {
@@ -280,8 +266,6 @@ void SubkeyGenerateDialog::slot_key_gen_accept() {
   auto err_string = err_stream.readAll();
 
   if (err_string.isEmpty()) {
-    gen_key_info_->SetKeyLength(key_size_spin_box_->value());
-
     if (expire_check_box_->checkState() != 0U) {
       gen_key_info_->SetNonExpired(true);
     } else {
@@ -364,8 +348,7 @@ void SubkeyGenerateDialog::slot_activated_key_type(int index) {
   // check
   assert(gen_key_info_->GetSupportedSubkeyAlgo().size() >
          static_cast<size_t>(index));
-  gen_key_info_->SetAlgo(
-      std::get<2>(gen_key_info_->GetSupportedSubkeyAlgo()[index]));
+  gen_key_info_->SetAlgo(gen_key_info_->GetSupportedSubkeyAlgo()[index]);
   refresh_widgets_state();
 }
 
diff --git a/src/ui/dialog/key_generate/SubkeyGenerateDialog.h b/src/ui/dialog/key_generate/SubkeyGenerateDialog.h
index fc3c51c9..b8c525bd 100644
--- a/src/ui/dialog/key_generate/SubkeyGenerateDialog.h
+++ b/src/ui/dialog/key_generate/SubkeyGenerateDialog.h
@@ -60,8 +60,8 @@ class SubkeyGenerateDialog : public GeneralDialog {
   int current_gpg_context_channel_;  ///<
   GpgKey key_;                       ///<
 
-  std::shared_ptr<GenKeyInfo> gen_key_info_ =
-      SecureCreateSharedObject<GenKeyInfo>(true);  ///<
+  QSharedPointer<GenKeyInfo> gen_key_info_ =
+      QSharedPointer<GenKeyInfo>::create(true);  ///<
 
   QGroupBox* key_usage_group_box_{};
   QDialogButtonBox* button_box_;     ///< Box for standard buttons
@@ -80,14 +80,14 @@ class SubkeyGenerateDialog : public GeneralDialog {
    *
    * @return QGroupBox*
    */
-  QGroupBox* create_key_usage_group_box();
+  auto create_key_usage_group_box() -> QGroupBox*;
 
   /**
    * @brief Create a basic info group box object
    *
    * @return QGroupBox*
    */
-  QGroupBox* create_basic_info_group_box();
+  auto create_basic_info_group_box() -> QGroupBox*;
   /**
    * @brief Set the signal slot object
    *
diff --git a/src/ui/main_window/KeyMgmt.cpp b/src/ui/main_window/KeyMgmt.cpp
index 2a027bfd..f4b06f86 100644
--- a/src/ui/main_window/KeyMgmt.cpp
+++ b/src/ui/main_window/KeyMgmt.cpp
@@ -41,7 +41,7 @@
 #include "ui/UserInterfaceUtils.h"
 #include "ui/dialog/import_export/ExportKeyPackageDialog.h"
 #include "ui/dialog/import_export/KeyImportDetailDialog.h"
-#include "ui/dialog/key_generate/KeygenDialog.h"
+#include "ui/dialog/key_generate/KeyGenDialog.h"
 #include "ui/dialog/key_generate/SubkeyGenerateDialog.h"
 #include "ui/dialog/keypair_details/KeyDetailsDialog.h"
 #include "ui/function/GpgOperaHelper.h"
diff --git a/src/ui/main_window/MainWindowSlotUI.cpp b/src/ui/main_window/MainWindowSlotUI.cpp
index c8c68aef..acc8f5a8 100644
--- a/src/ui/main_window/MainWindowSlotUI.cpp
+++ b/src/ui/main_window/MainWindowSlotUI.cpp
@@ -33,9 +33,11 @@
 #include "core/model/SettingsObject.h"
 #include "ui/UserInterfaceUtils.h"
 #include "ui/dialog/Wizard.h"
+#include "ui/dialog/settings/SettingsDialog.h"
 #include "ui/main_window/KeyMgmt.h"
 #include "ui/struct/settings_object/AppearanceSO.h"
 #include "ui/widgets/TextEdit.h"
+
 namespace GpgFrontend::UI {
 
 void MainWindow::SlotSetStatusBarText(const QString& text) {