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(JavaScript) Paraguay E-Invoicing Signed XML (SIFEN)
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).
var 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
var xmlToSign = new CkXml();
xmlToSign.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");
var gen = new CkXmlDSigGen();
gen.SigLocation = "rDE";
gen.SigLocationMod = 0;
gen.SigNamespacePrefix = "";
gen.SigNamespaceUri = "http://www.w3.org/2000/09/xmldsig#";
gen.SignedInfoCanonAlg = "C14N";
gen.SignedInfoDigestMethod = "sha256";
// -------- Reference 1 --------
var xml1 = new CkXml();
xml1.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)
var cert = new CkCert();
success = cert.LoadPfxFile("qa_data/pfx/cert_test123.pfx","test123");
if (success !== true) {
console.log(cert.LastErrorText);
return;
}
gen.SetX509Cert(cert,true);
gen.KeyInfoType = "X509Data";
gen.X509Type = "Certificate";
// Load XML to be signed...
var sbXml = new CkStringBuilder();
xmlToSign.GetXmlSb(sbXml);
gen.Behaviors = "IndentedSignature";
// Sign the XML...
success = gen.CreateXmlDSigSb(sbXml);
if (success !== true) {
console.log(gen.LastErrorText);
return;
}
// -----------------------------------------------
// Save the signed XML to a file.
success = sbXml.WriteFile("c:/temp/qa_output/signedXml.xml","utf-8",false);
console.log(sbXml.GetAsString());
// ----------------------------------------
// Verify the signatures we just produced...
var verifier = new CkXmlDSig();
success = verifier.LoadSignatureSb(sbXml);
if (success !== true) {
console.log(verifier.LastErrorText);
return;
}
var numSigs = verifier.NumSignatures;
var verifyIdx = 0;
while (verifyIdx < numSigs) {
verifier.Selector = verifyIdx;
var verified = verifier.VerifySignature(true);
if (verified !== true) {
console.log(verifier.LastErrorText);
return;
}
verifyIdx = verifyIdx+1;
}
console.log("All signatures were successfully verified.");
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