(DataFlex) Import a PFX/P12 into the Windows Certificate Stores

Demonstrates how to import the certificates contained in a .pfx/.p12 to the Windows certificate stores.

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

Use ChilkatAx-win32.pkg

Procedure Test
    Handle hoPrimaryCert
    String sPfxPassword
    Boolean iSuccess
    Variant vCertChain
    Handle hoCertChain
    Boolean iChainReachesRoot
    Variant vCert
    Handle hoCert
    Integer i
    Integer iNumCerts
    Handle hoCertStoreCU
    Handle hoCertStoreCA
    Handle hoCertStoreRootCA
    Boolean iReadOnlyFlag
    Boolean iAllSuccess
    String sTemp1
    Boolean bTemp1

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

    // Load a PFX file into a certificate object.
    // The cert object will contain the certificate from the PFX that has a private key.
    // The certs in the chain of authentication (if contained in the PFX) are also loaded,
    // and can be accessed by getting the certificate chain (see below).
    // If the PFX did not include the issuer certs in the chain of authentication, then Chilkat will
    // automatically try to construct the issuer chain from the CA and intermedicate CA certs
    // already installed on the Windows system.
    Move "myPfxPassword" To sPfxPassword
    Get ComLoadPfxFile Of hoPrimaryCert "qa_data/pfx/somePfx.p12" sPfxPassword To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoPrimaryCert To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get ComGetCertChain Of hoPrimaryCert To vCertChain
    If (IsComObject(vCertChain)) Begin
        Get Create (RefClass(cComChilkatCertChain)) To hoCertChain
        Set pvComObject Of hoCertChain To vCertChain
    End
    Get ComLastMethodSuccess Of hoPrimaryCert To bTemp1
    If (bTemp1 = False) Begin
        Get ComLastErrorText Of hoPrimaryCert To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // If the certificate chain reaches the root CA cert, then the last cert in the chain
    // is the root CA cert.
    Get ComReachesRoot Of hoCertChain To iChainReachesRoot
    If (iChainReachesRoot = True) Begin
        Showln "The certificate chain reaches the root CA cert."
    End

    Move 0 To i
    Get ComNumCerts Of hoCertChain To iNumCerts
    While (i < iNumCerts)
        Get ComGetCert Of hoCertChain i To vCert
        If (IsComObject(vCert)) Begin
            Get Create (RefClass(cComChilkatCert)) To hoCert
            Set pvComObject Of hoCert To vCert
        End
        Get ComSubjectDN Of hoCert To sTemp1
        Showln "SubjectDN " i ": " sTemp1
        Get ComIssuerDN Of hoCert To sTemp1
        Showln "IssuerDN " i ": " sTemp1
        Showln "--"
        Send Destroy of hoCert
        Move (i + 1) To i
    Loop

    // The primary cert having the private key will be imported into the Current User "My" certificate store.
    // Any intermediate root certificates will be imported into certificate store for intermediate certificate authorities.
    // The root CA cert will be imported into the Root CA cert store.

    // Let's open each of these 3 certificate stores..
    Get Create (RefClass(cComChilkatCertStore)) To hoCertStoreCU
    If (Not(IsComObjectCreated(hoCertStoreCU))) Begin
        Send CreateComObject of hoCertStoreCU
    End
    Get Create (RefClass(cComChilkatCertStore)) To hoCertStoreCA
    If (Not(IsComObjectCreated(hoCertStoreCA))) Begin
        Send CreateComObject of hoCertStoreCA
    End
    Get Create (RefClass(cComChilkatCertStore)) To hoCertStoreRootCA
    If (Not(IsComObjectCreated(hoCertStoreRootCA))) Begin
        Send CreateComObject of hoCertStoreRootCA
    End
    Move False To iReadOnlyFlag

    // "CurrentUser" and "My" are the exact keywords to select your user account's certificate store.
    Get ComOpenWindowsStore Of hoCertStoreCU "CurrentUser" "My" iReadOnlyFlag To iSuccess
    If (iSuccess = False) Begin
        Showln "Failed to open the CurrentUser/My certificate store for read/write."
        Send Destroy of hoCertChain
        Procedure_Return
    End

    // Certificate store for intermediate certification authorities (CAs). 
    Get ComOpenWindowsStore Of hoCertStoreCA "CurrentUser" "CertificationAuthority" iReadOnlyFlag To iSuccess
    If (iSuccess = False) Begin
        Showln "Failed to open the CurrentUser/CertificationAuthority certificate store for read/write."
        Send Destroy of hoCertChain
        Procedure_Return
    End

    // Certificate store for trusted root certification authorities (CAs). 
    Get ComOpenWindowsStore Of hoCertStoreRootCA "CurrentUser" "Root" iReadOnlyFlag To iSuccess
    If (iSuccess = False) Begin
        Showln "Failed to open the CurrentUser/Root certificate store for read/write."
        Send Destroy of hoCertChain
        Procedure_Return
    End

    // Iterate over the certs in the chain and import each into the desired certificate store.
    Move True To iAllSuccess
    Move 0 To i
    While (i < iNumCerts)
        Get ComGetCert Of hoCertChain i To vCert
        If (IsComObject(vCert)) Begin
            Get Create (RefClass(cComChilkatCert)) To hoCert
            Set pvComObject Of hoCert To vCert
        End
        If (i = 0) Begin
            // Import the primary certificate into the CurrentUser/My certificate store.
            Get ComAddCertificate Of hoCertStoreCU vCert To iSuccess
            If (iSuccess = False) Begin
                Get ComLastErrorText Of hoCertStoreCU To sTemp1
                Showln sTemp1
                Move False To iAllSuccess
            End

        End
        Else Begin
            If ((i = (iNumCerts - 1)) And (iChainReachesRoot = True)) Begin
                // Add the root CA certificate to the CurrentUser/Root certificate store.
                // (Your application can obviously choose whether this should be done or not.  Perhaps you prompt the user.)

                // Note: If the root CA cert is already present in the Windows certificate store, Windows will display
                // a dialog to ask if it should be deleted.  Chilkat does not explicitly display dialogs.
                Get ComAddCertificate Of hoCertStoreRootCA vCert To iSuccess
                If (iSuccess = False) Begin
                    Get ComLastErrorText Of hoCertStoreRootCA To sTemp1
                    Showln sTemp1
                    Move False To iAllSuccess
                End

            End
            Else Begin
                // This is an intermediate CA certificate.
                Get ComAddCertificate Of hoCertStoreCA vCert To iSuccess
                If (iSuccess = False) Begin
                    Get ComLastErrorText Of hoCertStoreCA To sTemp1
                    Showln sTemp1
                    Move False To iAllSuccess
                End

            End

        End

        If (iSuccess = False) Begin
            Showln "Failed to import certificate."
        End

        Send Destroy of hoCert
        Move (i + 1) To i
    Loop

    Send Destroy of hoCertChain

    Showln "allSuccess = " iAllSuccess


End_Procedure