public static bool Show(Window owner, string title, string prompt, out string password)
{
var dialog = new PasswordDialog()
{
Owner = owner,
Title = title,
};
dialog.label.Text = prompt;
if (dialog.ShowDialog() == true)
{
password = dialog.passwordBox.Password;
return(true);
}
else
{
password = null;
return(false);
}
}
private void buttonGenerate_Click(object sender, RoutedEventArgs e)
{
// TODO Validate
X509Certificate2 issuerCertificate;
if (false == string.IsNullOrWhiteSpace(textBoxIssuer_CertificatePath.Text))
{
string issuerPassword;
if (false == PasswordDialog.Show(
this,
"Issuer Certificate Password",
"Please enter the password of the issuer certificate:",
out issuerPassword
))
{
return;
}
try
{
issuerCertificate = new X509Certificate2(textBoxIssuer_CertificatePath.Text.Trim(), issuerPassword);
}
catch (CryptographicException exc)
{
MessageBox.Show(
this,
"Could not load the certificate of the issuer:\n" + exc.Message,
"Error",
MessageBoxButton.OK,
MessageBoxImage.Error
);
return;
}
}
else
{
issuerCertificate = null;
}
string outputPassword;
if (false == PasswordDialog.Show(
this,
"New Certificate Password",
"Please enter a password for the NEW certificate:",
out outputPassword
))
{
return;
}
var outputPath = textBoxSaveTo_Path.Text.Trim();
var subjectName = new X501DistinguishedName()
{
CommonName = textBoxCommonName.Text.TrimToNull(),
Organization = textBoxOrganization.Text.TrimToNull(),
OrganizationalUnit = textBoxOrganizationalUnit.Text.TrimToNull(),
Locality = textBoxLocality.Text.TrimToNull(),
StateOrProvince = textBoxState.Text.TrimToNull(),
Country = (dropDownListCountry.SelectedValue as string ?? dropDownListCountry.Text).TrimToNull() // "SelectedValue" is null if text is entered manually
};
var subjectAlternativeNames = textBoxSubjectAltNames.Text
.Split(new char[] { '\n', '\r' })
.Select(x => x.Trim())
.Where(x => x.Length > 0)
.ToList();
if (subjectAlternativeNames.Count > 0 && false == subjectAlternativeNames.Contains(subjectName.CommonName, StringComparer.InvariantCultureIgnoreCase))
{
// Check if the common name seems like a DNS name
if (Regex.IsMatch(subjectName.CommonName, @"^(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])\.)*([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9\-]*[A-Za-z0-9])$"))
{
subjectAlternativeNames.Insert(0, subjectName.CommonName);
}
}
var options = new Options()
{
subjectName = subjectName.ToString(),
subjectAlternativeNames = subjectAlternativeNames.ToArray(),
keySize = int.Parse(dropDownListKeySize.SelectedValue as string),
serialNumber = Guid.NewGuid().ToByteArray(),
basicKeyUsages = FindLogicalChildren <CheckBox>(checkBoxListBasicKeyUsages)
.Where(x => x.IsChecked == true)
.Select(x => (BasicKeyUsages)x.Tag)
.DefaultIfEmpty() // The "Aggregate" method requires at least one value
.Aggregate((x, y) => x | y),
basicKeyUsagesCritical = checkBoxBasicKeyUsages_Critical.IsChecked == true,
extendedUsages = FindLogicalChildren <CheckBox>(checkBoxListExtendedKeyUsages)
.Where(x => x.IsChecked == true)
.Select(x => (string)x.Tag)
.ToList(),
extendedUsagesCritical = checkBoxExtendedKeyUsages_Critical.IsChecked == true,
fromDate = DateTime.SpecifyKind(textBoxPeriod_From.SelectedDate.Value, DateTimeKind.Utc),
toDate = DateTime.SpecifyKind(textBoxPeriod_To.SelectedDate.Value, DateTimeKind.Utc),
isCA = checkBoxCA.IsChecked == true,
caLength = int.Parse(dropDownListCA_MaxPathLength.SelectedValue as string),
issuerCertificate = issuerCertificate,
outputFile = System.IO.Path.HasExtension(outputPath) ? outputPath : System.IO.Path.ChangeExtension(outputPath, ".pfx"),
outputPassword = outputPassword,
outputCertFile = System.IO.Path.ChangeExtension(outputPath, ".cer"),
};
// Check if some of the output files exist
if (File.Exists(options.outputFile))
{
var result = MessageBox.Show(
this,
string.Format("'{0}' already exists. Overwrite?", options.outputFile),
"Overwrite PKCS#12 File",
MessageBoxButton.YesNo,
MessageBoxImage.Question
);
if (result != MessageBoxResult.Yes)
{
return;
}
}
if (File.Exists(options.outputCertFile))
{
var result = MessageBox.Show(
this,
string.Format("'{0}' already exists. Overwrite?", options.outputCertFile),
"Overwrite X.509 Certificate File",
MessageBoxButton.YesNo,
MessageBoxImage.Question
);
if (result != MessageBoxResult.Yes)
{
return;
}
}
panelMain.IsEnabled = false;
Task.Factory
.StartNew(() => GenerateCertificate(options))
.ContinueWith(GenerateCompleted, TaskScheduler.FromCurrentSynchronizationContext());
}
