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(DataFlex) 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

Use ChilkatAx-9.5.0-win32.pkg

Procedure Test
    Handle hoCrypt
    Variant vCert
    Handle hoCert
    Boolean iSuccess
    Handle hoSignedAttrs
    String sInputXmlPath
    String sOutputP7mPath
    String sTemp1

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

    Get Create (RefClass(cComChilkatCrypt2)) To hoCrypt
    If (Not(IsComObjectCreated(hoCrypt))) Begin
        Send CreateComObject of hoCrypt
    End
    Set ComVerboseLogging Of hoCrypt To True

    Get Create (RefClass(cComChilkatCert)) To hoCert
    If (Not(IsComObjectCreated(hoCert))) Begin
        Send CreateComObject of hoCert
    End
    // Use your smart card user PIN for signing.
    Set ComSmartCardPin Of hoCert To "0000"

    Get ComLoadFromSmartcard Of hoCert "" To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoCert To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get pvComObject of hoCert to vCert
    Get ComSetSigningCert Of hoCrypt vCert To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoCrypt To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // The CadesEnabled property applies to all methods that create PKCS7 signatures. 
    // To create a CAdES-BES signature, set this property equal to true.
    Set ComCadesEnabled Of hoCrypt To True

    Set ComHashAlgorithm Of hoCrypt To "sha256"

    Get Create (RefClass(cComChilkatJsonObject)) To hoSignedAttrs
    If (Not(IsComObjectCreated(hoSignedAttrs))) Begin
        Send CreateComObject of hoSignedAttrs
    End
    Get ComUpdateInt Of hoSignedAttrs "contentType" 1 To iSuccess
    Get ComUpdateInt Of hoSignedAttrs "signingTime" 1 To iSuccess
    Get ComUpdateInt Of hoSignedAttrs "messageDigest" 1 To iSuccess
    Get ComUpdateInt Of hoSignedAttrs "signingCertificateV2" 1 To iSuccess
    Get ComEmit Of hoSignedAttrs To sTemp1
    Set ComSigningAttributes Of hoCrypt To sTemp1

    // 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>

    Move "c:/someDir/e-Invoice.xml" To sInputXmlPath
    Move "c:/someDir/signed.p7m" To sOutputP7mPath

    // Create the CAdES-BES attached signature, which contains the original data.
    Get ComCreateP7M Of hoCrypt sInputXmlPath sOutputP7mPath To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoCrypt To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Showln "Success."


End_Procedure

 

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