Xbase++

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

See more CAdES Examples

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

LOCAL nSuccess
LOCAL oCrypt
LOCAL oCert
LOCAL oSignedAttrs
LOCAL cInputXmlPath
LOCAL cOutputP7mPath

nSuccess := 0

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

oCrypt := CreateObject("Chilkat.Crypt2")
oCrypt:VerboseLogging := 1

oCert := CreateObject("Chilkat.Cert")
//  Use your smart card user PIN for signing.
oCert:SmartCardPin := "0000"

nSuccess := oCert:LoadFromSmartcard("")
IF (nSuccess == 0)
    ? oCert:LastErrorText
    oCrypt:destroy()
    oCert:destroy()
    RETURN
ENDIF

nSuccess := oCrypt:SetSigningCert(oCert)
IF (nSuccess == 0)
    ? oCrypt:LastErrorText
    oCrypt:destroy()
    oCert:destroy()
    RETURN
ENDIF

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

oCrypt:HashAlgorithm := "sha256"

oSignedAttrs := CreateObject("Chilkat.JsonObject")
oSignedAttrs:UpdateInt("contentType", 1)
oSignedAttrs:UpdateInt("signingTime", 1)
oSignedAttrs:UpdateInt("messageDigest", 1)
oSignedAttrs:UpdateInt("signingCertificateV2", 1)
oCrypt:SigningAttributes := oSignedAttrs: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>

cInputXmlPath := "c:/someDir/e-Invoice.xml"
cOutputP7mPath := "c:/someDir/signed.p7m"

//  Create the CAdES-BES attached signature, which contains the original data.
nSuccess := oCrypt:CreateP7M(cInputXmlPath, cOutputP7mPath)
IF (nSuccess == 0)
    ? oCrypt:LastErrorText
    oCrypt:destroy()
    oCert:destroy()
    oSignedAttrs:destroy()
    RETURN
ENDIF

? "Success."

oCrypt:destroy()
oCert:destroy()
oSignedAttrs:destroy()