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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.

Chilkat Unicode C Downloads

Unicode C
#include <C_CkXmlW.h>
#include <C_CkXmlDSigGenW.h>
#include <C_CkCertW.h>
#include <C_CkStringBuilderW.h>
#include <C_CkXmlDSigW.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkXmlW xmlToSign;
    HCkXmlDSigGenW gen;
    HCkXmlW object1;
    HCkCertW cert;
    HCkStringBuilderW sbXml;
    HCkXmlDSigW verifier;
    int numSigs;
    int verifyIdx;
    BOOL verified;

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

    gen = CkXmlDSigGenW_Create();

    CkXmlDSigGenW_putSigLocation(gen,L"T:TicketBai");
    CkXmlDSigGenW_putSigLocationMod(gen,0);
    CkXmlDSigGenW_putSigId(gen,L"Signature-43861174-a0e6-45f9-afbf-8b48c46c6c13-Signature");
    CkXmlDSigGenW_putSigNamespacePrefix(gen,L"ds");
    CkXmlDSigGenW_putSigNamespaceUri(gen,L"http://www.w3.org/2000/09/xmldsig#");
    CkXmlDSigGenW_putSigValueId(gen,L"Signature-43861174-a0e6-45f9-afbf-8b48c46c6c13-SignatureValue");
    CkXmlDSigGenW_putSignedInfoCanonAlg(gen,L"C14N");
    CkXmlDSigGenW_putSignedInfoDigestMethod(gen,L"sha256");

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

    // Create an Object to be added to the Signature.
    object1 = CkXmlW_Create();
    CkXmlW_putTag(object1,L"xades:QualifyingProperties");
    CkXmlW_AddAttribute(object1,L"xmlns:xades",L"http://uri.etsi.org/01903/v1.3.2#");
    CkXmlW_AddAttribute(object1,L"Id",L"Signature-43861174-a0e6-45f9-afbf-8b48c46c6c13-QualifyingProperties");
    CkXmlW_AddAttribute(object1,L"Target",L"#Signature-43861174-a0e6-45f9-afbf-8b48c46c6c13-Signature");
    CkXmlW_AddAttribute(object1,L"xmlns:ds",L"http://www.w3.org/2000/09/xmldsig#");
    CkXmlW_UpdateAttrAt(object1,L"xades:SignedProperties",TRUE,L"Id",L"Signature-43861174-a0e6-45f9-afbf-8b48c46c6c13-SignedProperties");
    CkXmlW_UpdateChildContent(object1,L"xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningTime",L"TO BE GENERATED BY CHILKAT");
    CkXmlW_UpdateAttrAt(object1,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");
    CkXmlW_UpdateChildContent(object1,L"xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificateV2|xades:Cert|xades:CertDigest|ds:DigestValue",L"TO BE GENERATED BY CHILKAT");
    CkXmlW_UpdateChildContent(object1,L"xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificateV2|xades:Cert|xades:IssuerSerialV2",L"TO BE GENERATED BY CHILKAT");
    CkXmlW_UpdateChildContent(object1,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");
    CkXmlW_UpdateChildContent(object1,L"xades:SignedProperties|xades:SignedSignatureProperties|xades:SignaturePolicyIdentifier|xades:SignaturePolicyId|xades:SigPolicyId|xades:Description",L"");
    CkXmlW_UpdateAttrAt(object1,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");
    CkXmlW_UpdateChildContent(object1,L"xades:SignedProperties|xades:SignedSignatureProperties|xades:SignaturePolicyIdentifier|xades:SignaturePolicyId|xades:SigPolicyHash|ds:DigestValue",L"Quzn98x3PMbSHwbUzaj5f5KOpiH0u8bvmwbbbNkO9Es=");
    CkXmlW_UpdateChildContent(object1,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");
    CkXmlW_UpdateAttrAt(object1,L"xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat",TRUE,L"ObjectReference",L"#Reference-43b5c8a3-7ce0-4056-bdbe-d2076d8ac825");
    CkXmlW_UpdateChildContent(object1,L"xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:Description",L"");
    CkXmlW_UpdateAttrAt(object1,L"xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:ObjectIdentifier|xades:Identifier",TRUE,L"Qualifier",L"OIDAsURN");
    CkXmlW_UpdateChildContent(object1,L"xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:ObjectIdentifier|xades:Identifier",L"urn:oid:1.2.840.10003.5.109.10");
    CkXmlW_UpdateChildContent(object1,L"xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:ObjectIdentifier|xades:Description",L"");
    CkXmlW_UpdateChildContent(object1,L"xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:MimeType",L"text/xml");
    CkXmlW_UpdateChildContent(object1,L"xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:Encoding",L"");

    CkXmlDSigGenW_AddObject(gen,L"",CkXmlW_getXml(object1),L"",L"");

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

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

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

    // Provide a certificate + private key. (PFX password is test123)
    cert = CkCertW_Create();
    success = CkCertW_LoadPfxFile(cert,L"qa_data/pfx/cert_test123.pfx",L"test123");
    if (success != TRUE) {
        wprintf(L"%s\n",CkCertW_lastErrorText(cert));
        CkXmlW_Dispose(xmlToSign);
        CkXmlDSigGenW_Dispose(gen);
        CkXmlW_Dispose(object1);
        CkCertW_Dispose(cert);
        return;
    }

    CkXmlDSigGenW_SetX509Cert(gen,cert,TRUE);

    CkXmlDSigGenW_putKeyInfoType(gen,L"X509Data+KeyValue");
    CkXmlDSigGenW_putX509Type(gen,L"Certificate");

    // Load XML to be signed...
    sbXml = CkStringBuilderW_Create();
    CkXmlW_GetXmlSb(xmlToSign,sbXml);

    CkXmlDSigGenW_putBehaviors(gen,L"IndentedSignature,TransformSignatureXPath");

    // Sign the XML...
    success = CkXmlDSigGenW_CreateXmlDSigSb(gen,sbXml);
    if (success != TRUE) {
        wprintf(L"%s\n",CkXmlDSigGenW_lastErrorText(gen));
        CkXmlW_Dispose(xmlToSign);
        CkXmlDSigGenW_Dispose(gen);
        CkXmlW_Dispose(object1);
        CkCertW_Dispose(cert);
        CkStringBuilderW_Dispose(sbXml);
        return;
    }

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

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

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

    // ----------------------------------------
    // Verify the signatures we just produced...
    verifier = CkXmlDSigW_Create();
    success = CkXmlDSigW_LoadSignatureSb(verifier,sbXml);
    if (success != TRUE) {
        wprintf(L"%s\n",CkXmlDSigW_lastErrorText(verifier));
        CkXmlW_Dispose(xmlToSign);
        CkXmlDSigGenW_Dispose(gen);
        CkXmlW_Dispose(object1);
        CkCertW_Dispose(cert);
        CkStringBuilderW_Dispose(sbXml);
        CkXmlDSigW_Dispose(verifier);
        return;
    }

    numSigs = CkXmlDSigW_getNumSignatures(verifier);
    verifyIdx = 0;
    while (verifyIdx < numSigs) {
        CkXmlDSigW_putSelector(verifier,verifyIdx);
        verified = CkXmlDSigW_VerifySignature(verifier,TRUE);
        if (verified != TRUE) {
            wprintf(L"%s\n",CkXmlDSigW_lastErrorText(verifier));
            CkXmlW_Dispose(xmlToSign);
            CkXmlDSigGenW_Dispose(gen);
            CkXmlW_Dispose(object1);
            CkCertW_Dispose(cert);
            CkStringBuilderW_Dispose(sbXml);
            CkXmlDSigW_Dispose(verifier);
            return;
        }

        verifyIdx = verifyIdx + 1;
    }

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


    CkXmlW_Dispose(xmlToSign);
    CkXmlDSigGenW_Dispose(gen);
    CkXmlW_Dispose(object1);
    CkCertW_Dispose(cert);
    CkStringBuilderW_Dispose(sbXml);
    CkXmlDSigW_Dispose(verifier);

    }