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Unicode C++

TicketBAI Sign XML Example 2

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Second example to demonstrate how to sign XML for TicketBAI.

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Unicode C++ 
#include <CkXmlW.h>
#include <CkXmlDSigGenW.h>
#include <CkCertW.h>
#include <CkStringBuilderW.h>
#include <CkXmlDSigW.h>

void ChilkatSample(void)
    {
    bool success = false;

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

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

    CkXmlDSigGenW gen;

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

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

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

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

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

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

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

    // Provide a certificate + private key. (PFX password is test123)
    CkCertW cert;
    success = cert.LoadPfxFile(L"qa_data/pfx/cert_test123.pfx",L"test123");
    if (success != true) {
        wprintf(L"%s\n",cert.lastErrorText());
        return;
    }

    gen.SetX509Cert(cert,true);

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

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

    gen.put_Behaviors(L"IndentedSignature,TransformSignatureXPath");

    // Sign the XML...
    success = gen.CreateXmlDSigSb(sbXml);
    if (success != true) {
        wprintf(L"%s\n",gen.lastErrorText());
        return;
    }

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

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

    wprintf(L"%s\n",sbXml.getAsString());

    // ----------------------------------------
    // Verify the signatures we just produced...
    CkXmlDSigW verifier;
    success = verifier.LoadSignatureSb(sbXml);
    if (success != true) {
        wprintf(L"%s\n",verifier.lastErrorText());
        return;
    }

    int numSigs = verifier.get_NumSignatures();
    int verifyIdx = 0;
    while (verifyIdx < numSigs) {
        verifier.put_Selector(verifyIdx);
        bool verified = verifier.VerifySignature(true);
        if (verified != true) {
            wprintf(L"%s\n",verifier.lastErrorText());
            return;
        }

        verifyIdx = verifyIdx + 1;
    }

    wprintf(L"All signatures were successfully verified.\n");
    }