(DataFlex) Get Public Key from Certificate PEM

Loads a certificate from a PEM file and gets the cert's public key.

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

Use ChilkatAx-win32.pkg

Procedure Test
    Handle hoCert
    Boolean iSuccess
    Variant vPubkey
    Handle hoPubkey
    String sTemp1
    Boolean bTemp1

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

    Get ComLoadFromFile Of hoCert "qa_data/certs/someCert.pem" To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoCert To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Get the certificate's public key:
    Get ComExportPublicKey Of hoCert To vPubkey
    If (IsComObject(vPubkey)) Begin
        Get Create (RefClass(cComChilkatPublicKey)) To hoPubkey
        Set pvComObject Of hoPubkey To vPubkey
    End
    Get ComLastMethodSuccess Of hoCert To bTemp1
    If (bTemp1 <> True) Begin
        Get ComLastErrorText Of hoCert To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get ComGetPem Of hoPubkey False To sTemp1
    Showln sTemp1

    // OK.. we have the public key which can be used in other Chilkat classes/methods...

    Send Destroy of hoPubkey


End_Procedure