(Perl) 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 Perl Downloads Perl Module for Windows, MacOS, Linux, Alpine Linux, Solaris

use chilkat();

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

$crypt = chilkat::CkCrypt2->new();
$crypt->put_VerboseLogging(1);

$cert = chilkat::CkCert->new();
# Use your smart card user PIN for signing.
$cert->put_SmartCardPin("0000");

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

$success = $crypt->SetSigningCert($cert);
if ($success == 0) {
    print $crypt->lastErrorText() . "\r\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->put_CadesEnabled(1);

$crypt->put_HashAlgorithm("sha256");

$signedAttrs = chilkat::CkJsonObject->new();
$signedAttrs->UpdateInt("contentType",1);
$signedAttrs->UpdateInt("signingTime",1);
$signedAttrs->UpdateInt("messageDigest",1);
$signedAttrs->UpdateInt("signingCertificateV2",1);
$crypt->put_SigningAttributes($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() . "\r\n";
    exit;
}

print "Success." . "\r\n";