private void OnGenerateButtonClick(object?sender, EventArgs e)
{
if (_MerchantCertificateRadioButton.Checked)
{
_LastGeneratedRSAPrivateKey = new RSACng(2048);
_LastGeneratedECDsaPrivateKey?.Dispose();
_LastGeneratedECDsaPrivateKey = null;
CertificateRequest CertificateRequest = new CertificateRequest(
$"E={_EmailAddressTextBox.Text}, CN={_CommonNameTextBox.Text}, O=US",
_LastGeneratedRSAPrivateKey,
HashAlgorithmName.SHA256,
RSASignaturePadding.Pkcs1);
_LastGeneratedCSRContent = CertificateRequest.CreateSigningRequest();
}
else
{
_LastGeneratedECDsaPrivateKey = new ECDsaCng(256);
_LastGeneratedRSAPrivateKey?.Dispose();
_LastGeneratedRSAPrivateKey = null;
CertificateRequest CertificateRequest = new CertificateRequest(
$"E={_EmailAddressTextBox.Text}, CN={_CommonNameTextBox.Text}, O=US",
_LastGeneratedECDsaPrivateKey,
HashAlgorithmName.SHA256);
_LastGeneratedCSRContent = CertificateRequest.CreateSigningRequest();
}
_CertificateSigningRequestContentTextBox.Text = CertificateExtensions.EncodeDERDataInPEMFormat(_LastGeneratedCSRContent, "CERTIFICATE REQUEST");
_ExportCertificateSigningRequestButton.Enabled = true;
}
private void OnImportAndCombineButtonClick(object?sender, EventArgs e)
{
using OpenFileDialog OpenFileDialog = new OpenFileDialog
{
Title = "Open Certificate",
FileName = _MerchantCertificateRadioButton.Checked ? "merchant_id.cer" : "apple_pay.cer",
Filter = "Certificates (*.cer)|*.cer"
};
if (OpenFileDialog.ShowDialog() == DialogResult.OK)
{
_LastImportedSignedCertificate?.Dispose();
_LastImportedSignedCertificate = new X509Certificate2(OpenFileDialog.FileName);
_CertificateContentTextBox.Text = CertificateExtensions.EncodeDERDataInPEMFormat(_LastImportedSignedCertificate.Export(X509ContentType.Cert), "CERTIFICATE");
_SaveCertificateButton.Enabled = true;
}
}