Java

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

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

import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    boolean success = false;

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

    CkCrypt2 crypt = new CkCrypt2();
    crypt.put_VerboseLogging(true);

    CkCert cert = new CkCert();
    // Use your smart card user PIN for signing.
    cert.put_SmartCardPin("0000");

    success = cert.LoadFromSmartcard("");
    if (success == false) {
        System.out.println(cert.lastErrorText());
        return;
        }

    success = crypt.SetSigningCert(cert);
    if (success == false) {
        System.out.println(crypt.lastErrorText());
        return;
        }

    // 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(true);

    crypt.put_HashAlgorithm("sha256");

    CkJsonObject signedAttrs = new CkJsonObject();
    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>

    String inputXmlPath = "c:/someDir/e-Invoice.xml";
    String outputP7mPath = "c:/someDir/signed.p7m";

    // Create the CAdES-BES attached signature, which contains the original data.
    success = crypt.CreateP7M(inputXmlPath,outputP7mPath);
    if (success == false) {
        System.out.println(crypt.lastErrorText());
        return;
        }

    System.out.println("Success.");
  }
}