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(VB.NET) Paraguay E-Invoicing Signed XML (SIFEN)See more XML Digital Signatures ExamplesDemonstrates 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).
Dim success As Boolean = True ' Create the XML to be signed... ' Use this online tool to generate code from sample XML: ' Generate Code to Create XML Dim xmlToSign As New Chilkat.Xml 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 electrnica") 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 mercadera") 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","Operacin 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") Dim gen As New Chilkat.XmlDSigGen 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 -------- Dim xml1 As New Chilkat.Xml 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) Dim cert As New Chilkat.Cert success = cert.LoadPfxFile("qa_data/pfx/cert_test123.pfx","test123") If (success <> True) Then Debug.WriteLine(cert.LastErrorText) Exit Sub End If gen.SetX509Cert(cert,True) gen.KeyInfoType = "X509Data" gen.X509Type = "Certificate" ' Load XML to be signed... Dim sbXml As New Chilkat.StringBuilder xmlToSign.GetXmlSb(sbXml) gen.Behaviors = "IndentedSignature" ' Sign the XML... success = gen.CreateXmlDSigSb(sbXml) If (success <> True) Then Debug.WriteLine(gen.LastErrorText) Exit Sub End If ' ----------------------------------------------- ' Save the signed XML to a file. success = sbXml.WriteFile("c:/temp/qa_output/signedXml.xml","utf-8",False) Debug.WriteLine(sbXml.GetAsString()) ' ---------------------------------------- ' Verify the signatures we just produced... Dim verifier As New Chilkat.XmlDSig success = verifier.LoadSignatureSb(sbXml) If (success <> True) Then Debug.WriteLine(verifier.LastErrorText) Exit Sub End If Dim numSigs As Integer = verifier.NumSignatures Dim verifyIdx As Integer = 0 While verifyIdx < numSigs verifier.Selector = verifyIdx Dim verified As Boolean = verifier.VerifySignature(True) If (verified <> True) Then Debug.WriteLine(verifier.LastErrorText) Exit Sub End If verifyIdx = verifyIdx + 1 End While Debug.WriteLine("All signatures were successfully verified.") |
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