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(PowerShell) Apply 2nd Signature to sii.cl Factura Electrónica (Chile Servicio de Impuestos Internos)Demonstrates how to apply the 2nd signature an XML invoice according to Chilean Internal Revenue Service regulations.
Add-Type -Path "C:\chilkat\ChilkatDotNet47-x64\ChilkatDotNet47.dll" # This example assumes the Chilkat API to have been previously unlocked. # See Global Unlock Sample for sample code. # In this example: Create sii.cl Factura Electr�nica (Chile Servicio de Impuestos Internos) # We signed XML structured like this: # <?xml version="1.0" encoding="iso-8859-1"?> # <DTE version="1.0" xmlns="http://www.sii.cl/SiiDte"> # <Documento ID="F11T22"> # ... # </Documento> # </DTE> # To get a signature like this: # <?xml version="1.0" encoding="iso-8859-1"?> # <DTE version="1.0" xmlns="http://www.sii.cl/SiiDte"> # <Documento ID="F11T22"> # ... # </Documento> # <Signature xmlns="http://www.w3.org/2000/09/xmldsig#"> # .. # </Signature> # </DTE> # Now we wish to wrap the result of the 1st example in the following and sign again: # <?xml version="1.0" encoding="iso-8859-1"?> # <EnvioDTE version="1.0" xmlns="http://www.sii.cl/SiiDte" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.sii.cl/SiiDte EnvioDTE_v10.xsd"> # <SetDTE ID="NDTECHILE"> # <Caratula version="1.0"> # <RutEmisor>...</RutEmisor> # <RutEnvia>...</RutEnvia> # <RutReceptor>...</RutReceptor> # <FchResol>2014-08-22</FchResol> # <NroResol>80</NroResol> # <TmstFirmaEnv>2020-07-17T13:19:10</TmstFirmaEnv> # <SubTotDTE> # <TpoDTE>34</TpoDTE> # <NroDTE>1</NroDTE> # </SubTotDTE> # </Caratula> # <DTE version="1.0" xmlns="http://www.sii.cl/SiiDte"> # <Documento ID="F11T22">...</Documento> # <Signature xmlns="http://www.w3.org/2000/09/xmldsig#">..</Signature> # </DTE> # </SetDTE> # </EnvioDTE> # The result will be this: # <?xml version="1.0" encoding="iso-8859-1"?> # <EnvioDTE version="1.0" xmlns="http://www.sii.cl/SiiDte" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.sii.cl/SiiDte EnvioDTE_v10.xsd"> # <SetDTE ID="NDTECHILE"> # <Caratula version="1.0"> # <RutEmisor>...</RutEmisor> # <RutEnvia>...</RutEnvia> # <RutReceptor>...</RutReceptor> # <FchResol>2014-08-22</FchResol> # <NroResol>80</NroResol> # <TmstFirmaEnv>2020-07-17T13:19:10</TmstFirmaEnv> # <SubTotDTE> # <TpoDTE>34</TpoDTE> # <NroDTE>1</NroDTE> # </SubTotDTE> # </Caratula> # <DTE version="1.0" xmlns="http://www.sii.cl/SiiDte"> # <Documento ID="F11T22">...</Documento> # <Signature xmlns="http://www.w3.org/2000/09/xmldsig#">..</Signature> # </DTE> # </SetDTE> # <Signature xmlns="http://www.w3.org/2000/09/xmldsig#">..</Signature> # </EnvioDTE> $gen = New-Object Chilkat.XmlDSigGen $gen.SigLocation = "EnvioDTE" $gen.SigLocationMod = 0 $gen.SigNamespacePrefix = "" $gen.SigNamespaceUri = "http://www.w3.org/2000/09/xmldsig#" $gen.SignedInfoCanonAlg = "C14N" $gen.SignedInfoDigestMethod = "sha1" # -------- Reference 1 -------- $gen.AddSameDocRef("NDTECHILE","sha1","","","") # Provide a certificate + private key. (PFX password is test123) $cert = New-Object Chilkat.Cert $success = $cert.LoadPfxFile("qa_data/pfx/cert_test123.pfx","test123") if ($success -ne $true) { $($cert.LastErrorText) exit } $gen.SetX509Cert($cert,$true) $gen.KeyInfoType = "X509Data+KeyValue" $gen.X509Type = "Certificate" # Here's the part where we must be very careful not to disturb the existing signature. # We want to encapsulate the existing signed XML like this: # <?xml version="1.0" encoding="iso-8859-1"?> # <EnvioDTE version="1.0" xmlns="http://www.sii.cl/SiiDte" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.sii.cl/SiiDte EnvioDTE_v10.xsd"> # <SetDTE ID="NDTECHILE"> # <Caratula version="1.0"> # <RutEmisor>...</RutEmisor> # <RutEnvia>...</RutEnvia> # <RutReceptor>...</RutReceptor> # <FchResol>2014-08-22</FchResol> # <NroResol>80</NroResol> # <TmstFirmaEnv>2020-07-17T13:19:10</TmstFirmaEnv> # <SubTotDTE> # <TpoDTE>34</TpoDTE> # <NroDTE>1</NroDTE> # </SubTotDTE> # </Caratula> # <EXISTING_SIGNED_XML>HERE</EXISTING_SIGNED_XML> # </SetDTE> # <Signature xmlns="http://www.w3.org/2000/09/xmldsig#">..</Signature> # </EnvioDTE> $xml = New-Object Chilkat.Xml $xml.Tag = "EnvioDTE" $xml.AddAttribute("version","1.0") $xml.AddAttribute("xmlns","http://www.sii.cl/SiiDte") $xml.AddAttribute("xmlns:xsi","http://www.w3.org/2001/XMLSchema-instance") $xml.AddAttribute("xsi:schemaLocation","http://www.sii.cl/SiiDte EnvioDTE_v10.xsd") $xml.UpdateAttrAt("SetDTE",$true,"ID","NDTECHILE") $xml.UpdateAttrAt("SetDTE|Caratula",$true,"version","1.0") $xml.UpdateChildContent("SetDTE|Caratula|RutEmisor","...") $xml.UpdateChildContent("SetDTE|Caratula|RutEnvia","...") $xml.UpdateChildContent("SetDTE|Caratula|RutReceptor","...") $xml.UpdateChildContent("SetDTE|Caratula|FchResol","2014-08-22") $xml.UpdateChildContent("SetDTE|Caratula|NroResol","80") $xml.UpdateChildContent("SetDTE|Caratula|TmstFirmaEnv","2020-07-17T13:19:10") $xml.UpdateChildContent("SetDTE|Caratula|SubTotDTE|TpoDTE","34") $xml.UpdateChildContent("SetDTE|Caratula|SubTotDTE|NroDTE","1") $xml.UpdateChildContent("SetDTE|EXISTING_SIGNED_XML","HERE") $sbXml = New-Object Chilkat.StringBuilder $xml.GetXmlSb($sbXml) # Load our existing signed XML. # We cannot load it into a Chilkat XML object because we cannot allow anything to change, # not even indentation or whitespace. $sbExisting = New-Object Chilkat.StringBuilder $sbExisting.LoadFile("qa_data/xml_dsig/sii_cl/signed1.xml","iso-8859-1") # However, we must remove the XML declarator, and we can trim the whitespace at the very front and back (i.e. whitespace completely outside the document). $numReplaced = $sbExisting.Replace("<?xml version=`"1.0`" encoding=`"iso-8859-1`"?>","") $sbExisting.Trim() # Insert the existing signed XML into the new XML document to be signed. $numReplaced = $sbXml.Replace("<EXISTING_SIGNED_XML>HERE</EXISTING_SIGNED_XML>",$sbExisting.GetAsString()) # We now have the XML document ready for the 2nd signature to be applied... # Make sure we add the "SignExistingSignatures" behavior so that this signature includes the original signature in the digest. $gen.Behaviors = "IndentedSignature,SignExistingSignatures" # Sign the XML... $success = $gen.CreateXmlDSigSb($sbXml) if ($success -ne $true) { $($gen.LastErrorText) exit } # ----------------------------------------------- # Change the XML declarator to indicate iso-8859-1 (because we'll be saving using iso-8859-1) $numReplaced = $sbXml.Replace("encoding=`"utf-8`"?>","encoding=`"iso-8859-1`"?>") # Save the signed XML to a file. $success = $sbXml.WriteFile("qa_data/xml_dsig/sii_cl/signed2.xml","iso-8859-1",$false) $($sbXml.GetAsString()) |
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