(PowerBuilder) Italian FatturaPA (e-Invoice) Signed XML (CADES-BES P7M) using USB SmartCard Reader

Demonstrates Italian e-Invoice (FatturaPA) signing by using a private key stored on a USB smartcard reader.

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

integer li_rc
oleobject loo_Crypt
oleobject loo_Cert
integer li_Success
oleobject loo_SignedAttrs
string ls_InputXmlPath
string ls_OutputP7mPath

// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

loo_Crypt = create oleobject
// Use "Chilkat_9_5_0.Crypt2" for versions of Chilkat < 10.0.0
li_rc = loo_Crypt.ConnectToNewObject("Chilkat.Crypt2")
if li_rc < 0 then
    destroy loo_Crypt
    MessageBox("Error","Connecting to COM object failed")
    return
end if
loo_Crypt.VerboseLogging = 1

loo_Cert = create oleobject
// Use "Chilkat_9_5_0.Cert" for versions of Chilkat < 10.0.0
li_rc = loo_Cert.ConnectToNewObject("Chilkat.Cert")

// Use your smart card user PIN for signing.
loo_Cert.SmartCardPin = "0000"

li_Success = loo_Cert.LoadFromSmartcard("")
if li_Success = 0 then
    Write-Debug loo_Cert.LastErrorText
    destroy loo_Crypt
    destroy loo_Cert
    return
end if

li_Success = loo_Crypt.SetSigningCert(loo_Cert)
if li_Success = 0 then
    Write-Debug loo_Crypt.LastErrorText
    destroy loo_Crypt
    destroy loo_Cert
    return
end if

// The CadesEnabled property applies to all methods that create PKCS7 signatures. 
// To create a CAdES-BES signature, set this property equal to true.
loo_Crypt.CadesEnabled = 1

loo_Crypt.HashAlgorithm = "sha256"

loo_SignedAttrs = create oleobject
// Use "Chilkat_9_5_0.JsonObject" for versions of Chilkat < 10.0.0
li_rc = loo_SignedAttrs.ConnectToNewObject("Chilkat.JsonObject")

loo_SignedAttrs.UpdateInt("contentType",1)
loo_SignedAttrs.UpdateInt("signingTime",1)
loo_SignedAttrs.UpdateInt("messageDigest",1)
loo_SignedAttrs.UpdateInt("signingCertificateV2",1)
loo_Crypt.SigningAttributes = loo_SignedAttrs.Emit()

// Load XML such as the following:
//  <p:FatturaElettronica xmlns:p="http://ivaservizi.agenziaentrate.gov.it/docs/xsd/fatture/v1.2" versione="FPR12">
//     <FatturaElettronicaHeader>
//        <DatiTrasmissione>
// 	...
//        </DatiTrasmissione>
//        <CedentePrestatore>
// 	...
//        </CedentePrestatore>
//        <CessionarioCommittente>
// 	...
//        </CessionarioCommittente>
//     </FatturaElettronicaHeader>
//     <FatturaElettronicaBody>
//        <DatiGenerali>
//           <DatiGeneraliDocumento>
// 		...
//           </DatiGeneraliDocumento>
//        </DatiGenerali>
//        <DatiBeniServizi>
// 	...
//        </DatiBeniServizi>
//     </FatturaElettronicaBody>
//  </p:FatturaElettronica>

ls_InputXmlPath = "c:/someDir/e-Invoice.xml"
ls_OutputP7mPath = "c:/someDir/signed.p7m"

// Create the CAdES-BES attached signature, which contains the original data.
li_Success = loo_Crypt.CreateP7M(ls_InputXmlPath,ls_OutputP7mPath)
if li_Success = 0 then
    Write-Debug loo_Crypt.LastErrorText
    destroy loo_Crypt
    destroy loo_Cert
    destroy loo_SignedAttrs
    return
end if

Write-Debug "Success."


destroy loo_Crypt
destroy loo_Cert
destroy loo_SignedAttrs