(DataFlex) 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.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

Use ChilkatAx-win32.pkg

Procedure Test
    Handle hoCert
    Boolean iSuccess
    String sTemp1

    Get Create (RefClass(cComChilkatCert)) To hoCert
    If (Not(IsComObjectCreated(hoCert))) Begin
        Send CreateComObject of hoCert
    End

    Get ComLoadFromFile Of hoCert "qa_data/certs/sample.cer" To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoCert To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // 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)
    Get ComIssuerDN Of hoCert To sTemp1
    Showln "DN: " sTemp1

    // Common Subject parts:
    // Issuer Common Name
    Get ComIssuerCN Of hoCert To sTemp1
    Showln "CN: " sTemp1

    // Issuer Country
    Get ComIssuerC Of hoCert To sTemp1
    Showln "C: " sTemp1

    // Issuer Email address
    Get ComIssuerE Of hoCert To sTemp1
    Showln "E: " sTemp1

    // Issuer Locality
    Get ComIssuerL Of hoCert To sTemp1
    Showln "L: " sTemp1

    // Issuer Organization
    Get ComIssuerO Of hoCert To sTemp1
    Showln "O: " sTemp1

    // Issuer Organizational Unit
    Get ComIssuerOU Of hoCert To sTemp1
    Showln "OU: " sTemp1

    // Issuer State
    Get ComIssuerS Of hoCert To sTemp1
    Showln "S: " sTemp1


End_Procedure