private void UpdateSecuritySettings()
{
translator.SecuritySuite = Ciphering.SecuritySuite;
translator.Security = Ciphering.Security;
translator.SystemTitle = Ciphering.SystemTitle;
translator.ServerSystemTitle = Ciphering.ServerSystemTitle;
translator.BlockCipherKey = Ciphering.BlockCipherKey;
translator.AuthenticationKey = Ciphering.AuthenticationKey;
translator.InvocationCounter = Ciphering.InvocationCounter;
translator.DedicatedKey = Ciphering.DedicatedKey;
translator.Keys.Clear();
translator.Keys.AddRange(Ciphering.KeyPairs);
if (!string.IsNullOrEmpty(Ciphering.ClientSigningKey))
{
KeyValuePair <GXPkcs8, GXx509Certificate> it = FindKey(Ciphering.ClientSigningKey);
GXPrivateKey pk = null;
if (it.Key != null)
{
pk = it.Key.PrivateKey;
pk.SystemTitle = it.Value != null?GXAsn1Converter.SystemTitleFromSubject(it.Value.Subject) : null;
}
translator.SigningKeyPair = new KeyValuePair <GXPublicKey, GXPrivateKey>(translator.SigningKeyPair.Key, pk);
}
if (!string.IsNullOrEmpty(Ciphering.ServerSigningKey))
{
KeyValuePair <GXPkcs8, GXx509Certificate> it = FindKey(Ciphering.ServerSigningKey);
GXPublicKey pub = null;
if (it.Value != null)
{
pub = it.Value.PublicKey;
pub.SystemTitle = it.Value != null?GXAsn1Converter.SystemTitleFromSubject(it.Value.Subject) : null;
}
translator.SigningKeyPair = new KeyValuePair <GXPublicKey, GXPrivateKey>(pub, translator.SigningKeyPair.Value);
}
}
private void AddCertificate(GXx509Certificate cert, string path, string st)
{
ListViewItem li = new ListViewItem(cert.PublicKey.Scheme.ToString());
string tmp = GXDLMSTranslator.ToHex(GXAsn1Converter.SystemTitleFromSubject(cert.Subject));
tmp += ((int)cert.KeyUsage).ToString();
object tmp2 = keys[tmp];
//Show duplicate certificates.
if (tmp2 == null)
{
keys[tmp] = cert.KeyUsage;
duplicate[tmp] = li;
}
else
{
((ListViewItem)duplicate[tmp]).BackColor = Color.Yellow;
li.BackColor = Color.Yellow;
}
li.StateImageIndex = li.ImageIndex = 0;
li.SubItems.Add(cert.SerialNumber.ToString());
li.SubItems.Add(cert.Subject);
li.SubItems.Add(cert.ValidFrom + "-" + cert.ValidTo);
StringBuilder sb = new StringBuilder();
foreach (KeyUsage it in Enum.GetValues(typeof(KeyUsage)))
{
if (((int)it & (int)cert.KeyUsage) != 0)
{
sb.Append(it);
sb.Append(", ");
}
}
if (sb.Length != 0)
{
sb.Length -= 2;
}
li.SubItems.Add(sb.ToString());
li.SubItems.Add(Path.GetFileNameWithoutExtension(path));
li.SubItems.Add(cert.Description);
CertificatesList.Items.Add(li);
li.Tag = path;
if (st != null && cert.Subject.Contains(st))
{
li.Selected = true;
}
Certificates.Add(cert);
}
/// <summary>
/// Update private and public keys to the translator.
/// </summary>
private void GetKeys()
{
if (updateUI)
{
if (ClientSigningKeysCb.SelectedItem is KeyValuePair <GXPkcs8, GXx509Certificate> cs)
{
ClientSigningKey = cs.Key.ToDer();
}
else
{
ClientSigningKey = null;
}
if (ClientAgreementKeysCb.SelectedItem is KeyValuePair <GXPkcs8, GXx509Certificate> ca)
{
ClientAgreementKey = ca.Key.ToDer();
}
else
{
ClientAgreementKey = null;
}
if (ServerSigningKeysCb.SelectedItem is KeyValuePair <GXPkcs8, GXx509Certificate> ss)
{
ServerSigningKey = ss.Value.ToDer();
}
else
{
ServerSigningKey = null;
}
if (ServerAgreementKeysCb.SelectedItem is KeyValuePair <GXPkcs8, GXx509Certificate> sa)
{
ServerAgreementKey = sa.Value.ToDer();
}
else
{
ServerAgreementKey = null;
}
bool check = _checkSystemTitle;
if (check)
{
string st;
if (SystemTitleAsciiCb.Checked)
{
st = GXDLMSTranslator.ToHex(ASCIIEncoding.ASCII.GetBytes(SystemTitleTb.Text), false);
}
else
{
st = SystemTitleTb.Text.Replace(" ", "");
}
if (check && (ClientSigningKeysCb.SelectedItem is KeyValuePair <GXPkcs8, GXx509Certificate> cv) && cv.Value != null)
{
string certificateSt = GXDLMSTranslator.ToHex(GXAsn1Converter.SystemTitleFromSubject(cv.Value.Subject), false);
if (st != certificateSt)
{
if (MessageBox.Show(Parent, string.Format("System title '{0}' of the client is different than in the certificate '{1}'. Do you want to update the system title from the certificate?", SystemTitleTb.Text, certificateSt), "", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Question) == DialogResult.Yes)
{
SystemTitleAsciiCb.Checked = false;
SystemTitleTb.Text = certificateSt;
check = false;
}
}
}
if (check && (ClientAgreementKeysCb.SelectedItem is KeyValuePair <GXPkcs8, GXx509Certificate> ck) && ck.Value != null)
{
string certificateSt = GXDLMSTranslator.ToHex(GXAsn1Converter.SystemTitleFromSubject(ck.Value.Subject), false);
if (st != certificateSt)
{
if (MessageBox.Show(Parent, string.Format("System title '{0}' of the client is different than in the certificate '{1}'. Do you want to update the system title from the certificate?", SystemTitleTb.Text, certificateSt), "", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Question) == DialogResult.Yes)
{
SystemTitleAsciiCb.Checked = false;
SystemTitleTb.Text = certificateSt;
check = false;
}
}
}
if (check && ServerSigningKeysCb.SelectedItem is KeyValuePair <GXPkcs8, GXx509Certificate> sv)
{
string certificateSt = GXDLMSTranslator.ToHex(GXAsn1Converter.SystemTitleFromSubject(sv.Value.Subject), false);
if (ServerSystemTitleTb.Text.Replace(" ", "") != certificateSt)
{
if (MessageBox.Show(Parent, string.Format("System title '{0}' of the server is different than in the certificate '{1}'. Do you want to update the system title from the certificate?", ServerSystemTitleTb.Text, certificateSt), "", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Question) == DialogResult.Yes)
{
ServerSystemTitleTb.Text = certificateSt;
check = false;
}
}
}
if (check && ServerAgreementKeysCb.SelectedItem is KeyValuePair <GXPkcs8, GXx509Certificate> sk)
{
string certificateSt = GXDLMSTranslator.ToHex(GXAsn1Converter.SystemTitleFromSubject(sk.Value.Subject), false);
if (ServerSystemTitleTb.Text.Replace(" ", "") != certificateSt)
{
if (MessageBox.Show(Parent, string.Format("System title '{0}' of the server is different than in the certificate '{1}'. Do you want to update the system title from the certificate?", ServerSystemTitleTb.Text, certificateSt), "", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Question) == DialogResult.Yes)
{
ServerSystemTitleTb.Text = certificateSt;
check = false;
}
}
}
}
}
}