(PHP ActiveX) 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 Note: The php_com_dotnet.dll may need to be enabled inside of php.ini.

<?php

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

// For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.Crypt2')
$crypt = new COM("Chilkat.Crypt2");
$crypt->VerboseLogging = 1;

// For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.Cert')
$cert = new COM("Chilkat.Cert");
// Use your smart card user PIN for signing.
$cert->SmartCardPin = '0000';

$success = $cert->LoadFromSmartcard('');
if ($success == 0) {
    print $cert->LastErrorText . "\n";
    exit;
}

$success = $crypt->SetSigningCert($cert);
if ($success == 0) {
    print $crypt->LastErrorText . "\n";
    exit;
}

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

$crypt->HashAlgorithm = 'sha256';

// For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.JsonObject')
$signedAttrs = new COM("Chilkat.JsonObject");
$signedAttrs->UpdateInt('contentType',1);
$signedAttrs->UpdateInt('signingTime',1);
$signedAttrs->UpdateInt('messageDigest',1);
$signedAttrs->UpdateInt('signingCertificateV2',1);
$crypt->SigningAttributes = $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>

$inputXmlPath = 'c:/someDir/e-Invoice.xml';
$outputP7mPath = 'c:/someDir/signed.p7m';

// Create the CAdES-BES attached signature, which contains the original data.
$success = $crypt->CreateP7M($inputXmlPath,$outputP7mPath);
if ($success == 0) {
    print $crypt->LastErrorText . "\n";
    exit;
}

print 'Success.' . "\n";

?>