private void SelectCert(X509Certificate2 cert)
{
txtCert.Text = CertificateHelper.CertificateName(cert);
selectedCertificate = cert;
btnCertActions.Enabled = true;
issuerCertificate = null;
try
{
var chain = new X509Chain();
chain.Build(selectedCertificate);
if (chain.ChainElements.Count > 1)
{
issuerCertificate = chain.ChainElements[1].Certificate;
X509Store store = new X509Store(StoreName.My, StoreLocation.LocalMachine);
store.Open(OpenFlags.ReadOnly);
var issuerWithPrivateKey = store.Certificates.Find(X509FindType.FindByThumbprint, issuerCertificate.Thumbprint, true).OfType <X509Certificate2>().Where(c => c.HasPrivateKey).FirstOrDefault();
store.Close();
if (issuerWithPrivateKey != null)
{
issuerCertificate = issuerWithPrivateKey;
}
}
}
catch (Exception ex)
{
this.ShowError(ex);
}
}
private void SelectCA(X509Certificate2 ca)
{
txtCA.Text = CertificateHelper.CertificateName(ca);
selectedCA = ca;
}