Example #1
0
        /// <summary>
        /// Generate Certificate Signing Request (CSR) from private key.
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void CSRBtn_Click(object sender, EventArgs e)
        {
            try
            {
                if (SystemTitleTb.Text == "")
                {
                    throw new Exception("Invalid system title.");
                }
                byte[] st = GXDLMSTranslator.HexToBytes(SystemTitleTb.Text);
                if (st.Length != 8)
                {
                    throw new Exception("Invalid system title.");
                }

                OpenFileDialog dlg = new OpenFileDialog();
                dlg.Multiselect = false;
                if (string.IsNullOrEmpty(_path))
                {
                    dlg.InitialDirectory = Directory.GetCurrentDirectory();
                }
                else
                {
                    System.IO.FileInfo fi = new System.IO.FileInfo(_path);
                    dlg.InitialDirectory = fi.DirectoryName;
                    dlg.FileName         = fi.Name;
                }
                dlg.Filter        = Properties.Resources.PemFilterTxt;
                dlg.DefaultExt    = ".pem";
                dlg.ValidateNames = true;
                if (dlg.ShowDialog(Parent) == DialogResult.OK)
                {
                    string  path = dlg.FileName;
                    GXPkcs8 pk   = GXPkcs8.Load(path);
                    KeyValuePair <GXPublicKey, GXPrivateKey> kp = new KeyValuePair <GXPublicKey, GXPrivateKey>(pk.PublicKey, pk.PrivateKey);
                    //Generate certificate request and ask new x509Certificate.
                    GXPkcs10 pkc10 = GXPkcs10.CreateCertificateSigningRequest(kp, GXAsn1Converter.SystemTitleToSubject(st));
                    Pkcs10Tb.Text = pkc10.ToPem();
                    Pkcs10Tb.AppendText(Environment.NewLine);
                    Pkcs10Tb.AppendText(pkc10.ToString());
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(Parent, ex.Message);
            }
        }
Example #2
0
 public GXCertifigateGenerationForm(string address, GXPkcs10 pkc10, CertificateType type, byte[] systemTitle)
 {
     InitializeComponent();
     _address           = address;
     SystemTitleTb.Text = GXDLMSTranslator.ToHex(systemTitle, false);
     LoadBtn.Enabled    = CSRBtn.Enabled = false;
     Pkcs10Tb.Text      = pkc10.ToPem();
     Pkcs10Tb.AppendText(Environment.NewLine);
     Pkcs10Tb.AppendText(pkc10.ToString());
     if (type == CertificateType.DigitalSignature)
     {
         DigitalSignatureCb.Checked = true;
     }
     else if (type == CertificateType.KeyAgreement)
     {
         KeyAgreementCb.Checked = true;
     }
     else
     {
         ServerTlsCb.Checked = true;
     }
     ServerTlsCb.Enabled = KeyAgreementCb.Enabled = DigitalSignatureCb.Enabled = false;
 }