Get SSL Server Certificate

Demonstrates how to retrieve the SSL server certificate for a site. This method establishes an SSL/TLS connection with a web server for the purpose of retrieving the SSL certificate, which may then be examined via the Chilkat certificate API.

Download: Chilkat .NET Assemblies

Chilkat.Http http = new Chilkat.Http();

bool success;

//  Any string unlocks the component for the 1st 30-days.
success = http.UnlockComponent("Anything for 30-day trial");
if (success != true) {
    MessageBox.Show(http.LastErrorText);
    return;
}

//  Notice:  The GetServerSslCert method is available in any
//  release dated after 7-April-2009

//  Get the SSL cert for paypal.com
Chilkat.Cert cert = null;
cert = http.GetServerSslCert("paypal.com",443);
if (cert == null ) {
    MessageBox.Show(http.LastErrorText);
}
else {
    MessageBox.Show(cert.SubjectDN);

}