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Classic ASP

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).

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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<%
success = 0

success = 1

' Create the XML to be signed...

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

set xmlToSign = Server.CreateObject("Chilkat.Xml")
xmlToSign.Tag = "rDE"
success = xmlToSign.AddAttribute("xmlns","http://ekuatia.set.gov.py/sifen/xsd")
success = xmlToSign.AddAttribute("xmlns:xsi","http://www.w3.org/2001/XMLSchema-instance")
success = xmlToSign.AddAttribute("xsi:schemaLocation","http://ekuatia.set.gov.py/sifen/xsd siRecepDE_v150.xsd")
xmlToSign.UpdateChildContent "dVerFor","150"
success = xmlToSign.UpdateAttrAt("DE",1,"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"

set gen = Server.CreateObject("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 --------
set xml1 = Server.CreateObject("Chilkat.Xml")
xml1.Tag = "Transforms"
success = xml1.UpdateAttrAt("Transform",1,"Algorithm","http://www.w3.org/2000/09/xmldsig#enveloped-signature")
success = xml1.UpdateAttrAt("Transform[1]",1,"Algorithm","http://www.w3.org/2001/10/xml-exc-c14n#")

success = gen.AddSameDocRef2("01800228774059001001501012022091516941989060","sha256",xml1,"")

' Provide a certificate + private key. (PFX password is test123)
set cert = Server.CreateObject("Chilkat.Cert")
success = cert.LoadPfxFile("qa_data/pfx/cert_test123.pfx","test123")
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( cert.LastErrorText) & "</pre>"
    Response.End
End If

success = gen.SetX509Cert(cert,1)

gen.KeyInfoType = "X509Data"
gen.X509Type = "Certificate"

' Load XML to be signed...
set sbXml = Server.CreateObject("Chilkat.StringBuilder")
success = xmlToSign.GetXmlSb(sbXml)

gen.Behaviors = "IndentedSignature"

' Sign the XML...
success = gen.CreateXmlDSigSb(sbXml)
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( gen.LastErrorText) & "</pre>"
    Response.End
End If

' -----------------------------------------------

' Save the signed XML to a file.
success = sbXml.WriteFile("c:/temp/qa_output/signedXml.xml","utf-8",0)

Response.Write "<pre>" & Server.HTMLEncode( sbXml.GetAsString()) & "</pre>"

' ----------------------------------------
' Verify the signatures we just produced...
set verifier = Server.CreateObject("Chilkat.XmlDSig")
success = verifier.LoadSignatureSb(sbXml)
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( verifier.LastErrorText) & "</pre>"
    Response.End
End If

numSigs = verifier.NumSignatures
verifyIdx = 0
Do While verifyIdx < numSigs
    verifier.Selector = verifyIdx
    verified = verifier.VerifySignature(1)
    If (verified <> 1) Then
        Response.Write "<pre>" & Server.HTMLEncode( verifier.LastErrorText) & "</pre>"
        Response.End
    End If

    verifyIdx = verifyIdx + 1
Loop
Response.Write "<pre>" & Server.HTMLEncode( "All signatures were successfully verified.") & "</pre>"

%>
</body>
</html>