C
C
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.Chilkat C Downloads
#include <C_CkCrypt2.h>
#include <C_CkCert.h>
#include <C_CkJsonObject.h>
void ChilkatSample(void)
{
BOOL success;
HCkCrypt2 crypt;
HCkCert cert;
HCkJsonObject signedAttrs;
const char *inputXmlPath;
const char *outputP7mPath;
success = FALSE;
// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
crypt = CkCrypt2_Create();
CkCrypt2_putVerboseLogging(crypt,TRUE);
cert = CkCert_Create();
// Use your smart card user PIN for signing.
CkCert_putSmartCardPin(cert,"0000");
success = CkCert_LoadFromSmartcard(cert,"");
if (success == FALSE) {
printf("%s\n",CkCert_lastErrorText(cert));
CkCrypt2_Dispose(crypt);
CkCert_Dispose(cert);
return;
}
success = CkCrypt2_SetSigningCert(crypt,cert);
if (success == FALSE) {
printf("%s\n",CkCrypt2_lastErrorText(crypt));
CkCrypt2_Dispose(crypt);
CkCert_Dispose(cert);
return;
}
// The CadesEnabled property applies to all methods that create PKCS7 signatures.
// To create a CAdES-BES signature, set this property equal to true.
CkCrypt2_putCadesEnabled(crypt,TRUE);
CkCrypt2_putHashAlgorithm(crypt,"sha256");
signedAttrs = CkJsonObject_Create();
CkJsonObject_UpdateInt(signedAttrs,"contentType",1);
CkJsonObject_UpdateInt(signedAttrs,"signingTime",1);
CkJsonObject_UpdateInt(signedAttrs,"messageDigest",1);
CkJsonObject_UpdateInt(signedAttrs,"signingCertificateV2",1);
CkCrypt2_putSigningAttributes(crypt,CkJsonObject_emit(signedAttrs));
// 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 = CkCrypt2_CreateP7M(crypt,inputXmlPath,outputP7mPath);
if (success == FALSE) {
printf("%s\n",CkCrypt2_lastErrorText(crypt));
CkCrypt2_Dispose(crypt);
CkCert_Dispose(cert);
CkJsonObject_Dispose(signedAttrs);
return;
}
printf("Success.\n");
CkCrypt2_Dispose(crypt);
CkCert_Dispose(cert);
CkJsonObject_Dispose(signedAttrs);
}