Load DER encoded X.509 Certificate (.cer, .crt)

Loads a digital certificate from a binary DER encoded X.509 Certificate (.cer, .crt) and fetches information about the cert.

Download: Chilkat .NET Assemblies

Chilkat.Cert cert = new Chilkat.Cert();

bool success;

//  LoadFromFile will load virtually any certificate format file.
//  It will auto-recognize the format and load appropiately.
success = cert.LoadFromFile("/Users/chilkat/testData/cer/chilkat_ssl.cer");
if (success != true) {
    textBox1.Text += cert.LastErrorText + "\r\n";
    return;
}

//  DN = "Distinguished Name"
textBox1.Text += "SubjectDN:" + cert.SubjectDN + "\r\n";

textBox1.Text += "Common Name:" + cert.SubjectCN + "\r\n";
textBox1.Text += "Issuer Common Name:" + cert.IssuerCN + "\r\n";

textBox1.Text += "Serial Number:" + cert.SerialNumber + "\r\n";