(C++) TicketBAI Sign XML Example 2

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Second example to demonstrate how to sign XML for TicketBAI.

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#include <CkXml.h>
#include <CkXmlDSigGen.h>
#include <CkCert.h>
#include <CkStringBuilder.h>
#include <CkXmlDSig.h>

void ChilkatSample(void)
    {
    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    bool success = true;
    // Create the XML to be signed...
    CkXml xmlToSign;
    xmlToSign.put_Tag("T:TicketBai");
    xmlToSign.AddAttribute("xmlns:T","urn:ticketbai:emision");
    xmlToSign.UpdateChildContent("Cabecera|IDVersionTBAI","1.2");
    xmlToSign.UpdateChildContent("Sujetos|Emisor|NIF","79732487C");
    xmlToSign.UpdateChildContent("Sujetos|Emisor|ApellidosNombreRazonSocial","ARRIOLA LEJARDI ANE");
    xmlToSign.UpdateChildContent("Sujetos|Destinatarios|IDDestinatario|NIF","A48012363");
    xmlToSign.UpdateChildContent("Sujetos|Destinatarios|IDDestinatario|ApellidosNombreRazonSocial","ACADEMIA ESKOLA");
    xmlToSign.UpdateChildContent("Factura|CabeceraFactura|SerieFactura","A2022");
    xmlToSign.UpdateChildContent("Factura|CabeceraFactura|NumFactura","0400");
    xmlToSign.UpdateChildContent("Factura|CabeceraFactura|FechaExpedicionFactura","12-05-2022");
    xmlToSign.UpdateChildContent("Factura|CabeceraFactura|HoraExpedicionFactura","12:20:15");
    xmlToSign.UpdateChildContent("Factura|DatosFactura|DescripcionFactura","Venta maquinaria y existencias");
    xmlToSign.UpdateChildContent("Factura|DatosFactura|ImporteTotalFactura","1936.00");
    xmlToSign.UpdateChildContent("Factura|DatosFactura|Claves|IDClave|ClaveRegimenIvaOpTrascendencia","01");
    xmlToSign.UpdateChildContent("Factura|TipoDesglose|DesgloseFactura|Sujeta|NoExenta|DetalleNoExenta|TipoNoExenta","S1");
    xmlToSign.UpdateChildContent("Factura|TipoDesglose|DesgloseFactura|Sujeta|NoExenta|DetalleNoExenta|DesgloseIVA|DetalleIVA|BaseImponible","1600.00");
    xmlToSign.UpdateChildContent("Factura|TipoDesglose|DesgloseFactura|Sujeta|NoExenta|DetalleNoExenta|DesgloseIVA|DetalleIVA|TipoImpositivo","21.00");
    xmlToSign.UpdateChildContent("Factura|TipoDesglose|DesgloseFactura|Sujeta|NoExenta|DetalleNoExenta|DesgloseIVA|DetalleIVA|CuotaImpuesto","336.00");
    xmlToSign.UpdateChildContent("HuellaTBAI|EncadenamientoFacturaAnterior|SerieFacturaAnterior","A2022");
    xmlToSign.UpdateChildContent("HuellaTBAI|EncadenamientoFacturaAnterior|NumFacturaAnterior","0399");
    xmlToSign.UpdateChildContent("HuellaTBAI|EncadenamientoFacturaAnterior|FechaExpedicionFacturaAnterior","06-05-2022");
    xmlToSign.UpdateChildContent("HuellaTBAI|EncadenamientoFacturaAnterior|SignatureValueFirmaFacturaAnterior","KdxKFNXeNJuBZNjgvKEa9lICamXs9MHuin6R+yuFHZw9aMewuBvdhaMr7g0eUz8aNYEa1elpCTr7aLgVZjQrFQK/TjIg353iAVxA");
    xmlToSign.UpdateChildContent("HuellaTBAI|Software|LicenciaTBAI","TBAIPRUEBA");
    xmlToSign.UpdateChildContent("HuellaTBAI|Software|EntidadDesarrolladora|NIF","A48119820");
    xmlToSign.UpdateChildContent("HuellaTBAI|Software|Nombre","DFBTBAI");
    xmlToSign.UpdateChildContent("HuellaTBAI|Software|Version","1.04.00");
    xmlToSign.UpdateChildContent("HuellaTBAI|NumSerieDispositivo","GP4FC5J");

    CkXmlDSigGen gen;

    gen.put_SigLocation("T:TicketBai");
    gen.put_SigLocationMod(0);
    gen.put_SigId("Signature-43861174-a0e6-45f9-afbf-8b48c46c6c13-Signature");
    gen.put_SigNamespacePrefix("ds");
    gen.put_SigNamespaceUri("http://www.w3.org/2000/09/xmldsig#");
    gen.put_SigValueId("Signature-43861174-a0e6-45f9-afbf-8b48c46c6c13-SignatureValue");
    gen.put_SignedInfoCanonAlg("C14N");
    gen.put_SignedInfoDigestMethod("sha256");

    // Set the KeyInfoId before adding references..
    gen.put_KeyInfoId("Signature-43861174-a0e6-45f9-afbf-8b48c46c6c13-KeyInfo");

    // Create an Object to be added to the Signature.
    CkXml object1;
    object1.put_Tag("xades:QualifyingProperties");
    object1.AddAttribute("xmlns:xades","http://uri.etsi.org/01903/v1.3.2#");
    object1.AddAttribute("Id","Signature-43861174-a0e6-45f9-afbf-8b48c46c6c13-QualifyingProperties");
    object1.AddAttribute("Target","#Signature-43861174-a0e6-45f9-afbf-8b48c46c6c13-Signature");
    object1.AddAttribute("xmlns:ds","http://www.w3.org/2000/09/xmldsig#");
    object1.UpdateAttrAt("xades:SignedProperties",true,"Id","Signature-43861174-a0e6-45f9-afbf-8b48c46c6c13-SignedProperties");
    object1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningTime","TO BE GENERATED BY CHILKAT");
    object1.UpdateAttrAt("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificateV2|xades:Cert|xades:CertDigest|ds:DigestMethod",true,"Algorithm","http://www.w3.org/2001/04/xmlenc#sha512");
    object1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificateV2|xades:Cert|xades:CertDigest|ds:DigestValue","TO BE GENERATED BY CHILKAT");
    object1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificateV2|xades:Cert|xades:IssuerSerialV2","TO BE GENERATED BY CHILKAT");
    object1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SignaturePolicyIdentifier|xades:SignaturePolicyId|xades:SigPolicyId|xades:Identifier","https://www.batuz.eus/fitxategiak/batuz/ticketbai/sinadura_elektronikoaren_zehaztapenak_especificaciones_de_la_firma_electronica_v1_0.pdf");
    object1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SignaturePolicyIdentifier|xades:SignaturePolicyId|xades:SigPolicyId|xades:Description","");
    object1.UpdateAttrAt("xades:SignedProperties|xades:SignedSignatureProperties|xades:SignaturePolicyIdentifier|xades:SignaturePolicyId|xades:SigPolicyHash|ds:DigestMethod",true,"Algorithm","http://www.w3.org/2001/04/xmlenc#sha256");
    object1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SignaturePolicyIdentifier|xades:SignaturePolicyId|xades:SigPolicyHash|ds:DigestValue","Quzn98x3PMbSHwbUzaj5f5KOpiH0u8bvmwbbbNkO9Es=");
    object1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SignaturePolicyIdentifier|xades:SignaturePolicyId|xades:SigPolicyQualifiers|xades:SigPolicyQualifier|xades:SPURI","https://www.batuz.eus/fitxategiak/batuz/ticketbai/sinadura_elektronikoaren_zehaztapenak_especificaciones_de_la_firma_electronica_v1_0.pdf");
    object1.UpdateAttrAt("xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat",true,"ObjectReference","#Reference-43b5c8a3-7ce0-4056-bdbe-d2076d8ac825");
    object1.UpdateChildContent("xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:Description","");
    object1.UpdateAttrAt("xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:ObjectIdentifier|xades:Identifier",true,"Qualifier","OIDAsURN");
    object1.UpdateChildContent("xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:ObjectIdentifier|xades:Identifier","urn:oid:1.2.840.10003.5.109.10");
    object1.UpdateChildContent("xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:ObjectIdentifier|xades:Description","");
    object1.UpdateChildContent("xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:MimeType","text/xml");
    object1.UpdateChildContent("xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:Encoding","");

    gen.AddObject("",object1.getXml(),"","");

    // -------- Reference 1 --------
    gen.AddSameDocRef("","sha512","C14N","","http://www.w3.org/2000/09/xmldsig#Object");
    gen.SetRefIdAttr("","Reference-43b5c8a3-7ce0-4056-bdbe-d2076d8ac825");

    // -------- Reference 2 --------
    gen.AddObjectRef("Signature-43861174-a0e6-45f9-afbf-8b48c46c6c13-SignedProperties","sha512","","","http://uri.etsi.org/01903#SignedProperties");

    // -------- Reference 3 --------
    gen.AddSameDocRef("Signature-43861174-a0e6-45f9-afbf-8b48c46c6c13-KeyInfo","sha512","","","");

    // Provide a certificate + private key. (PFX password is test123)
    CkCert cert;
    success = cert.LoadPfxFile("qa_data/pfx/cert_test123.pfx","test123");
    if (success != true) {
        std::cout << cert.lastErrorText() << "\r\n";
        return;
    }

    gen.SetX509Cert(cert,true);

    gen.put_KeyInfoType("X509Data+KeyValue");
    gen.put_X509Type("Certificate");

    // Load XML to be signed...
    CkStringBuilder sbXml;
    xmlToSign.GetXmlSb(sbXml);

    gen.put_Behaviors("IndentedSignature,TransformSignatureXPath");

    // Sign the XML...
    success = gen.CreateXmlDSigSb(sbXml);
    if (success != true) {
        std::cout << gen.lastErrorText() << "\r\n";
        return;
    }

    // -----------------------------------------------

    // Save the signed XML to a file.
    success = sbXml.WriteFile("qa_output/signedXml_2.xml","utf-8",false);

    std::cout << sbXml.getAsString() << "\r\n";

    // ----------------------------------------
    // Verify the signatures we just produced...
    CkXmlDSig verifier;
    success = verifier.LoadSignatureSb(sbXml);
    if (success != true) {
        std::cout << verifier.lastErrorText() << "\r\n";
        return;
    }

    int numSigs = verifier.get_NumSignatures();
    int verifyIdx = 0;
    while (verifyIdx < numSigs) {
        verifier.put_Selector(verifyIdx);
        bool verified = verifier.VerifySignature(true);
        if (verified != true) {
            std::cout << verifier.lastErrorText() << "\r\n";
            return;
        }

        verifyIdx = verifyIdx + 1;
    }

    std::cout << "All signatures were successfully verified." << "\r\n";
    }