VB.NET

Get Issuer Certificate Information

See more Certificates Examples

A certificate contains information about its issuer. This example demonstrates how to get the issuer information from a certificate. VB.NET

Dim success As Boolean = False

Dim cert As New Chilkat.Cert

success = cert.LoadFromFile("qa_data/certs/sample.cer")
If (success = False) Then
    Debug.WriteLine(cert.LastErrorText)
    Exit Sub
End If


' Get issuer information:

' -----------------------------------------------------------------------
' (Not all subject fields may exist depending on the issuer certificate.)
' -----------------------------------------------------------------------

' Issuer DN (Distinguished Name, i.e. all the Issuer subject parts)
Debug.WriteLine("DN: " & cert.IssuerDN)

' Common Subject parts:
' Issuer Common Name
Debug.WriteLine("CN: " & cert.IssuerCN)

' Issuer Country
Debug.WriteLine("C: " & cert.IssuerC)

' Issuer Email address
Debug.WriteLine("E: " & cert.IssuerE)

' Issuer Locality
Debug.WriteLine("L: " & cert.IssuerL)

' Issuer Organization
Debug.WriteLine("O: " & cert.IssuerO)

' Issuer Organizational Unit
Debug.WriteLine("OU: " & cert.IssuerOU)

' Issuer State
Debug.WriteLine("S: " & cert.IssuerS)