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

Dim http As New Chilkat.Http()

Dim success As Boolean

'  Any string unlocks the component for the 1st 30-days.
success = http.UnlockComponent("Anything for 30-day trial")
If (success <> true) Then
    MsgBox(http.LastErrorText)
    Exit Sub
End If


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

'  Get the SSL cert for paypal.com
Dim cert As Chilkat.Cert
cert = http.GetServerSslCert("paypal.com",443)
If (cert Is Nothing ) Then
    MsgBox(http.LastErrorText)
Else
    MsgBox(cert.SubjectDN)

End If