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Paraguay E-Invoicing Signed XML (SIFEN)

See more XML Digital Signatures Examples

Demonstrates how to sign XML for e-invoicing -- SISTEMA INTEGRADO DE FACTURACIÓN ELECTRÓNICA NACIONAL (SIFEN). This is for signing XML files that need to be submitted to a government agency (Country Paraguay, SIFEN / EKUATIA, Sistema Nacional de Facturacion Electrónica).

Chilkat C++ Downloads

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

void ChilkatSample(void)
    {
    bool success = false;

    success = true;

    //  Create the XML to be signed...

    //  Use this online tool to generate code from sample XML: 
    //  Generate Code to Create XML

    CkXml xmlToSign;
    xmlToSign.put_Tag("rDE");
    xmlToSign.AddAttribute("xmlns","http://ekuatia.set.gov.py/sifen/xsd");
    xmlToSign.AddAttribute("xmlns:xsi","http://www.w3.org/2001/XMLSchema-instance");
    xmlToSign.AddAttribute("xsi:schemaLocation","http://ekuatia.set.gov.py/sifen/xsd siRecepDE_v150.xsd");
    xmlToSign.UpdateChildContent("dVerFor","150");
    xmlToSign.UpdateAttrAt("DE",true,"Id","01800228774059001001501012022091519999999990");
    xmlToSign.UpdateChildContent("DE|dDVId","0");
    xmlToSign.UpdateChildContent("DE|dFecFirma","2022-09-15T10:23:05");
    xmlToSign.UpdateChildContent("DE|dSisFact","1");
    xmlToSign.UpdateChildContent("DE|gOpeDE|iTipEmi","1");
    xmlToSign.UpdateChildContent("DE|gOpeDE|dDesTipEmi","Normal");
    xmlToSign.UpdateChildContent("DE|gOpeDE|dCodSeg","999999999");
    xmlToSign.UpdateChildContent("DE|gOpeDE|dInfoEmi","GENERADA DE PEDIDO 131043202");
    xmlToSign.UpdateChildContent("DE|gTimb|iTiDE","1");
    xmlToSign.UpdateChildContent("DE|gTimb|dDesTiDE","Factura electr�nica");
    xmlToSign.UpdateChildContent("DE|gTimb|dNumTim","18889014");
    xmlToSign.UpdateChildContent("DE|gTimb|dEst","059");
    xmlToSign.UpdateChildContent("DE|gTimb|dPunExp","001");
    xmlToSign.UpdateChildContent("DE|gTimb|dNumDoc","0015010");
    xmlToSign.UpdateChildContent("DE|gTimb|dFeIniT","2022-05-25");
    xmlToSign.UpdateChildContent("DE|gDatGralOpe|dFeEmiDE","2022-09-15T10:22:57");
    xmlToSign.UpdateChildContent("DE|gDatGralOpe|gOpeCom|iTipTra","1");
    xmlToSign.UpdateChildContent("DE|gDatGralOpe|gOpeCom|dDesTipTra","Venta de mercader�a");
    xmlToSign.UpdateChildContent("DE|gDatGralOpe|gOpeCom|iTImp","1");
    xmlToSign.UpdateChildContent("DE|gDatGralOpe|gOpeCom|dDesTImp","IVA");
    xmlToSign.UpdateChildContent("DE|gDatGralOpe|gOpeCom|cMoneOpe","PYG");
    xmlToSign.UpdateChildContent("DE|gDatGralOpe|gOpeCom|dDesMoneOpe","Guarani");
    xmlToSign.UpdateChildContent("DE|gDatGralOpe|gEmis|dRucEm","80022877");
    xmlToSign.UpdateChildContent("DE|gDatGralOpe|gEmis|dDVEmi","4");
    xmlToSign.UpdateChildContent("DE|gDatGralOpe|gEmis|iTipCont","1");
    xmlToSign.UpdateChildContent("DE|gDatGralOpe|gEmis|cTipReg","1");
    xmlToSign.UpdateChildContent("DE|gDatGralOpe|gEmis|dNomEmi","ABCDEF SA");
    xmlToSign.UpdateChildContent("DE|gDatGralOpe|gEmis|dNomFanEmi","ABCDEF SA");
    xmlToSign.UpdateChildContent("DE|gDatGralOpe|gEmis|dDirEmi","Jos� Abcde Xyz N� 666 e/Abxyz123");
    xmlToSign.UpdateChildContent("DE|gDatGralOpe|gEmis|dNumCas","0");
    xmlToSign.UpdateChildContent("DE|gDatGralOpe|gEmis|dCompDir1","N/A");
    xmlToSign.UpdateChildContent("DE|gDatGralOpe|gEmis|dCompDir2","N/A");
    xmlToSign.UpdateChildContent("DE|gDatGralOpe|gEmis|cDepEmi","12");
    xmlToSign.UpdateChildContent("DE|gDatGralOpe|gEmis|dDesDepEmi","CENTRAL");
    xmlToSign.UpdateChildContent("DE|gDatGralOpe|gEmis|cDisEmi","153");
    xmlToSign.UpdateChildContent("DE|gDatGralOpe|gEmis|dDesDisEmi","CAPIATA");
    xmlToSign.UpdateChildContent("DE|gDatGralOpe|gEmis|cCiuEmi","1234");
    xmlToSign.UpdateChildContent("DE|gDatGralOpe|gEmis|dDesCiuEmi","CAPIATA");
    xmlToSign.UpdateChildContent("DE|gDatGralOpe|gEmis|dTelEmi","(022) 1111 000");
    xmlToSign.UpdateChildContent("DE|gDatGralOpe|gEmis|dEmailE","somebody@example.com.py");
    xmlToSign.UpdateChildContent("DE|gDatGralOpe|gEmis|dDenSuc","PUNTO 99");
    xmlToSign.UpdateChildContent("DE|gDatGralOpe|gEmis|gActEco|cActEco","47721");
    xmlToSign.UpdateChildContent("DE|gDatGralOpe|gEmis|gActEco|dDesActEco","COMERCIO AL POR MENOR DE PRODUCTOS");
    xmlToSign.UpdateChildContent("DE|gDatGralOpe|gDatRec|iNatRec","1");
    xmlToSign.UpdateChildContent("DE|gDatGralOpe|gDatRec|iTiOpe","2");
    xmlToSign.UpdateChildContent("DE|gDatGralOpe|gDatRec|cPaisRec","PRY");
    xmlToSign.UpdateChildContent("DE|gDatGralOpe|gDatRec|dDesPaisRe","Paraguay");
    xmlToSign.UpdateChildContent("DE|gDatGralOpe|gDatRec|iTiContRec","2");
    xmlToSign.UpdateChildContent("DE|gDatGralOpe|gDatRec|dRucRec","80082971");
    xmlToSign.UpdateChildContent("DE|gDatGralOpe|gDatRec|dDVRec","9");
    xmlToSign.UpdateChildContent("DE|gDatGralOpe|gDatRec|dNomRec","XXXXXXX");
    xmlToSign.UpdateChildContent("DE|gDatGralOpe|gDatRec|dNomFanRec","XXXXXXX");
    xmlToSign.UpdateChildContent("DE|gDatGralOpe|gDatRec|dNumCasRec","0");
    xmlToSign.UpdateChildContent("DE|gDatGralOpe|gDatRec|dCodCliente","9999999");
    xmlToSign.UpdateChildContent("DE|gDtipDE|gCamFE|iIndPres","1");
    xmlToSign.UpdateChildContent("DE|gDtipDE|gCamFE|dDesIndPres","Operaci�n presencial");
    xmlToSign.UpdateChildContent("DE|gDtipDE|gCamCond|iCondOpe","1");
    xmlToSign.UpdateChildContent("DE|gDtipDE|gCamCond|dDCondOpe","Contado");
    xmlToSign.UpdateChildContent("DE|gDtipDE|gCamCond|gPaConEIni|iTiPago","1");
    xmlToSign.UpdateChildContent("DE|gDtipDE|gCamCond|gPaConEIni|dDesTiPag","Efectivo");
    xmlToSign.UpdateChildContent("DE|gDtipDE|gCamCond|gPaConEIni|dMonTiPag","100000.0000");
    xmlToSign.UpdateChildContent("DE|gDtipDE|gCamCond|gPaConEIni|cMoneTiPag","PYG");
    xmlToSign.UpdateChildContent("DE|gDtipDE|gCamCond|gPaConEIni|dDMoneTiPag","Guarani");
    xmlToSign.UpdateChildContent("DE|gDtipDE|gCamCond|gPaConEIni[1]|iTiPago","1");
    xmlToSign.UpdateChildContent("DE|gDtipDE|gCamCond|gPaConEIni[1]|dDesTiPag","Efectivo");
    xmlToSign.UpdateChildContent("DE|gDtipDE|gCamCond|gPaConEIni[1]|dMonTiPag","73600.0000");
    xmlToSign.UpdateChildContent("DE|gDtipDE|gCamCond|gPaConEIni[1]|cMoneTiPag","PYG");
    xmlToSign.UpdateChildContent("DE|gDtipDE|gCamCond|gPaConEIni[1]|dDMoneTiPag","Guarani");
    xmlToSign.UpdateChildContent("DE|gDtipDE|gCamItem|dCodInt","818181");
    xmlToSign.UpdateChildContent("DE|gDtipDE|gCamItem|dDesProSer","Widget Abc Xyz");
    xmlToSign.UpdateChildContent("DE|gDtipDE|gCamItem|cUniMed","77");
    xmlToSign.UpdateChildContent("DE|gDtipDE|gCamItem|dDesUniMed","UNI");
    xmlToSign.UpdateChildContent("DE|gDtipDE|gCamItem|dCantProSer","2.0000");
    xmlToSign.UpdateChildContent("DE|gDtipDE|gCamItem|gValorItem|dPUniProSer","16500.0000");
    xmlToSign.UpdateChildContent("DE|gDtipDE|gCamItem|gValorItem|dTotBruOpeItem","33000.0000");
    xmlToSign.UpdateChildContent("DE|gDtipDE|gCamItem|gValorItem|gValorRestaItem|dDescItem","3300.0000");
    xmlToSign.UpdateChildContent("DE|gDtipDE|gCamItem|gValorItem|gValorRestaItem|dPorcDesIt","20.0000");
    xmlToSign.UpdateChildContent("DE|gDtipDE|gCamItem|gValorItem|gValorRestaItem|dTotOpeItem","26400.0000");
    xmlToSign.UpdateChildContent("DE|gDtipDE|gCamItem|gCamIVA|iAfecIVA","1");
    xmlToSign.UpdateChildContent("DE|gDtipDE|gCamItem|gCamIVA|dDesAfecIVA","Gravado IVA");
    xmlToSign.UpdateChildContent("DE|gDtipDE|gCamItem|gCamIVA|dPropIVA","100");
    xmlToSign.UpdateChildContent("DE|gDtipDE|gCamItem|gCamIVA|dTasaIVA","5");
    xmlToSign.UpdateChildContent("DE|gDtipDE|gCamItem|gCamIVA|dBasGravIVA","25142.8571");
    xmlToSign.UpdateChildContent("DE|gDtipDE|gCamItem|gCamIVA|dLiqIVAItem","1257.1429");
    xmlToSign.UpdateChildContent("DE|gTotSub|dSubExe","0.0000");
    xmlToSign.UpdateChildContent("DE|gTotSub|dSub5","26400.0000");
    xmlToSign.UpdateChildContent("DE|gTotSub|dSub10","0.0000");
    xmlToSign.UpdateChildContent("DE|gTotSub|dTotOpe","26400.0000");
    xmlToSign.UpdateChildContent("DE|gTotSub|dTotDesc","6600.0000");
    xmlToSign.UpdateChildContent("DE|gTotSub|dTotDescGlotem","0.0000");
    xmlToSign.UpdateChildContent("DE|gTotSub|dTotAntItem","0.0000");
    xmlToSign.UpdateChildContent("DE|gTotSub|dTotAnt","0.0000");
    xmlToSign.UpdateChildContent("DE|gTotSub|dPorcDescTotal","0.0000");
    xmlToSign.UpdateChildContent("DE|gTotSub|dDescTotal","6600.0000");
    xmlToSign.UpdateChildContent("DE|gTotSub|dAnticipo","0.0000");
    xmlToSign.UpdateChildContent("DE|gTotSub|dRedon","0.0000");
    xmlToSign.UpdateChildContent("DE|gTotSub|dTotGralOpe","26400.0000");
    xmlToSign.UpdateChildContent("DE|gTotSub|dIVA5","1257.1429");
    xmlToSign.UpdateChildContent("DE|gTotSub|dIVA10","0.0000");
    xmlToSign.UpdateChildContent("DE|gTotSub|dTotIVA","1257.1429");
    xmlToSign.UpdateChildContent("DE|gTotSub|dBaseGrav5","25142.8571");
    xmlToSign.UpdateChildContent("DE|gTotSub|dBaseGrav10","0.0000");
    xmlToSign.UpdateChildContent("DE|gTotSub|dTBasGraIVA","25142.8571");

    CkXmlDSigGen gen;

    gen.put_SigLocation("rDE");
    gen.put_SigLocationMod(0);
    gen.put_SigNamespacePrefix("");
    gen.put_SigNamespaceUri("http://www.w3.org/2000/09/xmldsig#");
    gen.put_SignedInfoCanonAlg("C14N");
    gen.put_SignedInfoDigestMethod("sha256");

    //  -------- Reference 1 --------
    CkXml xml1;
    xml1.put_Tag("Transforms");
    xml1.UpdateAttrAt("Transform",true,"Algorithm","http://www.w3.org/2000/09/xmldsig#enveloped-signature");
    xml1.UpdateAttrAt("Transform[1]",true,"Algorithm","http://www.w3.org/2001/10/xml-exc-c14n#");

    gen.AddSameDocRef2("01800228774059001001501012022091516941989060","sha256",xml1,"");

    //  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");
    gen.put_X509Type("Certificate");

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

    gen.put_Behaviors("IndentedSignature");

    //  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("c:/temp/qa_output/signedXml.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";
    }