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C

Create sii.cl Factura Electrónica (Chile Servicio de Impuestos Internos)

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Demonstrates how to sign an XML invoice according to Chilean Internal Revenue Service regulations.

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C
#include <C_CkXmlDSigGen.h>
#include <C_CkCert.h>
#include <C_CkStringBuilder.h>
#include <C_CkXmlDSig.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkXmlDSigGen gen;
    HCkCert cert;
    HCkStringBuilder sbXml;
    HCkXmlDSig verifier;
    int numSigs;
    int verifyIdx;
    BOOL verified;

    success = FALSE;

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

    // See: Apply 2nd Signature to sii.cl Factura Electr�nica (Chile Servicio de Impuestos Internos)
    // for an example showing how to apply a 2nd signature.

    // We want to sign XML that looks like the following:

    // <?xml version="1.0" encoding="iso-8859-1"?>
    // <DTE version="1.0" xmlns="http://www.sii.cl/SiiDte">
    //     <Documento ID="F13T34">
    //         <Encabezado>
    //             <IdDoc>
    //                 <TipoDTE>34</TipoDTE>
    //                 <Folio>13</Folio>
    //                 <FchEmis>2020-07-17</FchEmis>
    //                 <FmaPago>1</FmaPago>
    //                 <FchVenc>2020-07-17</FchVenc>
    //             </IdDoc>
    //             <Emisor>
    //                 <RUTEmisor>...</RUTEmisor>
    //                 <RznSoc>...</RznSoc>
    //                 <GiroEmis>...</GiroEmis>
    //                 <Acteco>...</Acteco>
    //                 <DirOrigen>...</DirOrigen>
    //                 <CmnaOrigen>...</CmnaOrigen>
    //                 <CiudadOrigen>...</CiudadOrigen>
    //             </Emisor>
    //             <Receptor>
    //                 <RUTRecep>...</RUTRecep>
    //                 <RznSocRecep>...</RznSocRecep>
    //                 <GiroRecep>...</GiroRecep>
    //                 <Contacto/>
    //                 <DirRecep>...</DirRecep>
    //                 <CmnaRecep>...</CmnaRecep>
    //                 <CiudadRecep>...</CiudadRecep>
    //             </Receptor>
    //             <Totales>
    //                 <MntExe>14999</MntExe>
    //                 <MntTotal>14999</MntTotal>
    //             </Totales>
    //         </Encabezado>
    //         <Detalle>
    //             <NroLinDet>1</NroLinDet>
    //             <CdgItem>
    //                 <TpoCodigo>INT</TpoCodigo>
    //                 <VlrCodigo>1</VlrCodigo>
    //             </CdgItem>
    //             <NmbItem>Atenci�n profesional mes de Junio 2020</NmbItem>
    //             <QtyItem>1</QtyItem>
    //             <UnmdItem>UNI</UnmdItem>
    //             <PrcItem>14999</PrcItem>
    //             <MontoItem>14999</MontoItem>
    //         </Detalle>
    //         <TED version="1.0">
    //             <DD>
    //                 <RE>99972220-K</RE>
    //                 <TD>34</TD>
    //                 <F>13</F>
    //                 <FE>2020-07-17</FE>
    //                 <RR>99942999-2</RR>
    //                 <RSR>...</RSR>
    //                 <MNT>14999</MNT>
    //                 <IT1>Atencion profesional mes de Junio 2020</IT1>
    //                 <CAF version="1.0">
    //                     <DA>
    //                         <RE>99972220-K</RE>
    //                         <RS>...</RS>
    //                         <TD>34</TD>
    //                         <RNG>
    //                             <D>3</D>
    //                             <H>12</H>
    //                         </RNG>
    //                         <FA>2019-10-10</FA>
    //                         <RSAPK>
    //                             <M>2zHVYpcVNQRvS2yFuqdrh...TEQZx/m0t9HVTgWKZvlc6LSQ==</M>
    //                             <E>Aw==</E>
    //                         </RSAPK>
    //                         <IDK>300</IDK>
    //                     </DA>
    //                     <FRMA algoritmo="SHA1withRSA">LaVkjISGu...sBtsQL1jR9lw==</FRMA>
    //                 </CAF>
    //                 <TSTED>2020-07-17T13:19:10</TSTED>
    //             </DD>
    //             <FRMT algoritmo="SHA1withRSA">LxZr6zmXRZIfTz7...IXS6sp4vfz2fIsA==</FRMT>
    //         </TED>
    //         <TmstFirma>2020-07-17T13:19:10</TmstFirma>
    //     </Documento>
    // </DTE>

    success = TRUE;

    gen = CkXmlDSigGen_Create();

    CkXmlDSigGen_putSigLocation(gen,"DTE");
    CkXmlDSigGen_putSigLocationMod(gen,0);
    CkXmlDSigGen_putSigNamespacePrefix(gen,"");
    CkXmlDSigGen_putSigNamespaceUri(gen,"http://www.w3.org/2000/09/xmldsig#");
    CkXmlDSigGen_putSignedInfoCanonAlg(gen,"C14N");
    CkXmlDSigGen_putSignedInfoDigestMethod(gen,"sha1");

    // -------- Reference 1 --------
    CkXmlDSigGen_AddSameDocRef(gen,"F13T34","sha1","","","");

    // Provide a certificate + private key. (PFX password is test123)
    cert = CkCert_Create();
    success = CkCert_LoadPfxFile(cert,"qa_data/pfx/cert_test123.pfx","test123");
    if (success != TRUE) {
        printf("%s\n",CkCert_lastErrorText(cert));
        CkXmlDSigGen_Dispose(gen);
        CkCert_Dispose(cert);
        return;
    }

    CkXmlDSigGen_SetX509Cert(gen,cert,TRUE);

    CkXmlDSigGen_putKeyInfoType(gen,"X509Data+KeyValue");
    CkXmlDSigGen_putX509Type(gen,"Certificate");

    // Load XML to be signed...
    sbXml = CkStringBuilder_Create();
    success = CkStringBuilder_LoadFile(sbXml,"qa_data/xml_dsig/sii_cl/xmlToSign.xml","iso-8859-1");
    if (success == FALSE) {
        printf("Failed to load XML file.\n");
        CkXmlDSigGen_Dispose(gen);
        CkCert_Dispose(cert);
        CkStringBuilder_Dispose(sbXml);
        return;
    }

    CkXmlDSigGen_putBehaviors(gen,"IndentedSignature");

    // Sign the XML...
    success = CkXmlDSigGen_CreateXmlDSigSb(gen,sbXml);
    if (success != TRUE) {
        printf("%s\n",CkXmlDSigGen_lastErrorText(gen));
        CkXmlDSigGen_Dispose(gen);
        CkCert_Dispose(cert);
        CkStringBuilder_Dispose(sbXml);
        return;
    }

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

    // Save the signed XML to a file.
    success = CkStringBuilder_WriteFile(sbXml,"qa_data/xml_dsig/sii_cl/signed1.xml","iso-8859-1",FALSE);

    printf("%s\n",CkStringBuilder_getAsString(sbXml));

    // ----------------------------------------
    // Verify the signatures we just produced...
    verifier = CkXmlDSig_Create();
    success = CkXmlDSig_LoadSignatureSb(verifier,sbXml);
    if (success != TRUE) {
        printf("%s\n",CkXmlDSig_lastErrorText(verifier));
        CkXmlDSigGen_Dispose(gen);
        CkCert_Dispose(cert);
        CkStringBuilder_Dispose(sbXml);
        CkXmlDSig_Dispose(verifier);
        return;
    }

    numSigs = CkXmlDSig_getNumSignatures(verifier);
    verifyIdx = 0;
    while (verifyIdx < numSigs) {
        CkXmlDSig_putSelector(verifier,verifyIdx);
        verified = CkXmlDSig_VerifySignature(verifier,TRUE);
        if (verified != TRUE) {
            printf("%s\n",CkXmlDSig_lastErrorText(verifier));
            CkXmlDSigGen_Dispose(gen);
            CkCert_Dispose(cert);
            CkStringBuilder_Dispose(sbXml);
            CkXmlDSig_Dispose(verifier);
            return;
        }

        verifyIdx = verifyIdx + 1;
    }

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


    CkXmlDSigGen_Dispose(gen);
    CkCert_Dispose(cert);
    CkStringBuilder_Dispose(sbXml);
    CkXmlDSig_Dispose(verifier);

    }