private void LoadCertificateButton_Click(object sender, EventArgs e)
{
using OpenFileDialog openFileDialog = new OpenFileDialog
{
InitialDirectory = "C:\\",
Filter = "X509 Certificate|*.crt",
FilterIndex = 1,
RestoreDirectory = true
};
if (openFileDialog.ShowDialog() == DialogResult.OK)
{
using var stream = openFileDialog.OpenFile();
if (stream != null)
{
using BinaryReader reader = new BinaryReader(stream);
byte[] fileContent = reader.ReadBytes(Convert.ToInt32(stream.Length));
if (X509CertificateController.IsValid(fileContent))
{
m_Certificate = fileContent;
var signAlg = X509CertificateController.GetCertificateParameters(m_Certificate);
X509CertificateParser parser = new X509CertificateParser();
CertificateRichTextBox.Text = parser.ReadCertificate(m_Certificate).ToString();
}
else
{
DebugRichTextBox.Text = "Current certificate is not valid!";
}
}
}
}
private void VerifyCertificateButton_Click(object sender, EventArgs e)
{
if (m_Certificate != null && m_Certificate.Length != 0)
{
if (X509CertificateController.IsValid(m_Certificate))
{
Valid();
}
else
{
Invalid();
}
}
}