Visual Basic 6.0
Create sii.cl Factura Electrónica (Chile Servicio de Impuestos Internos)

Demonstrates how to sign an XML invoice according to Chilean Internal Revenue Service regulations.
Chilkat Visual Basic 6.0 Downloads

Visual Basic 6.0
Dim success As Long
success = 0

' This example assumes the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

' See: Apply 2nd Signature to sii.cl Factura Electr�nica (Chile Servicio de Impuestos Internos)
' for an example showing how to apply a 2nd signature.

' We want to sign XML that looks like the following:

' <?xml version="1.0" encoding="iso-8859-1"?>
' <DTE version="1.0" xmlns="http://www.sii.cl/SiiDte">
'     <Documento ID="F13T34">
'         <Encabezado>
'             <IdDoc>
'                 <TipoDTE>34</TipoDTE>
'                 <Folio>13</Folio>
'                 <FchEmis>2020-07-17</FchEmis>
'                 <FmaPago>1</FmaPago>
'                 <FchVenc>2020-07-17</FchVenc>
'             </IdDoc>
'             <Emisor>
'                 <RUTEmisor>...</RUTEmisor>
'                 <RznSoc>...</RznSoc>
'                 <GiroEmis>...</GiroEmis>
'                 <Acteco>...</Acteco>
'                 <DirOrigen>...</DirOrigen>
'                 <CmnaOrigen>...</CmnaOrigen>
'                 <CiudadOrigen>...</CiudadOrigen>
'             </Emisor>
'             <Receptor>
'                 <RUTRecep>...</RUTRecep>
'                 <RznSocRecep>...</RznSocRecep>
'                 <GiroRecep>...</GiroRecep>
'                 <Contacto/>
'                 <DirRecep>...</DirRecep>
'                 <CmnaRecep>...</CmnaRecep>
'                 <CiudadRecep>...</CiudadRecep>
'             </Receptor>
'             <Totales>
'                 <MntExe>14999</MntExe>
'                 <MntTotal>14999</MntTotal>
'             </Totales>
'         </Encabezado>
'         <Detalle>
'             <NroLinDet>1</NroLinDet>
'             <CdgItem>
'                 <TpoCodigo>INT</TpoCodigo>
'                 <VlrCodigo>1</VlrCodigo>
'             </CdgItem>
'             <NmbItem>Atenci�n profesional mes de Junio 2020</NmbItem>
'             <QtyItem>1</QtyItem>
'             <UnmdItem>UNI</UnmdItem>
'             <PrcItem>14999</PrcItem>
'             <MontoItem>14999</MontoItem>
'         </Detalle>
'         <TED version="1.0">
'             <DD>
'                 <RE>99972220-K</RE>
'                 <TD>34</TD>
'                 <F>13</F>
'                 <FE>2020-07-17</FE>
'                 <RR>99942999-2</RR>
'                 <RSR>...</RSR>
'                 <MNT>14999</MNT>
'                 <IT1>Atencion profesional mes de Junio 2020</IT1>
'                 <CAF version="1.0">
'                     <DA>
'                         <RE>99972220-K</RE>
'                         <RS>...</RS>
'                         <TD>34</TD>
'                         <RNG>
'                             <D>3</D>
'                             <H>12</H>
'                         </RNG>
'                         <FA>2019-10-10</FA>
'                         <RSAPK>
'                             <M>2zHVYpcVNQRvS2yFuqdrh...TEQZx/m0t9HVTgWKZvlc6LSQ==</M>
'                             <E>Aw==</E>
'                         </RSAPK>
'                         <IDK>300</IDK>
'                     </DA>
'                     <FRMA algoritmo="SHA1withRSA">LaVkjISGu...sBtsQL1jR9lw==</FRMA>
'                 </CAF>
'                 <TSTED>2020-07-17T13:19:10</TSTED>
'             </DD>
'             <FRMT algoritmo="SHA1withRSA">LxZr6zmXRZIfTz7...IXS6sp4vfz2fIsA==</FRMT>
'         </TED>
'         <TmstFirma>2020-07-17T13:19:10</TmstFirma>
'     </Documento>
' </DTE>

success = 1

Dim gen As New ChilkatXmlDSigGen

gen.SigLocation = "DTE"
gen.SigLocationMod = 0
gen.SigNamespacePrefix = ""
gen.SigNamespaceUri = "http://www.w3.org/2000/09/xmldsig#"
gen.SignedInfoCanonAlg = "C14N"
gen.SignedInfoDigestMethod = "sha1"

' -------- Reference 1 --------
success = gen.AddSameDocRef("F13T34","sha1","","","")

' Provide a certificate + private key. (PFX password is test123)
Dim cert As New ChilkatCert
success = cert.LoadPfxFile("qa_data/pfx/cert_test123.pfx","test123")
If (success <> 1) Then
    Debug.Print cert.LastErrorText
    Exit Sub
End If

success = gen.SetX509Cert(cert,1)

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

' Load XML to be signed...
Dim sbXml As New ChilkatStringBuilder
success = sbXml.LoadFile("qa_data/xml_dsig/sii_cl/xmlToSign.xml","iso-8859-1")
If (success = 0) Then
    Debug.Print "Failed to load XML file."
    Exit Sub
End If

gen.Behaviors = "IndentedSignature"

' Sign the XML...
success = gen.CreateXmlDSigSb(sbXml)
If (success <> 1) Then
    Debug.Print gen.LastErrorText
    Exit Sub
End If

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

' Save the signed XML to a file.
success = sbXml.WriteFile("qa_data/xml_dsig/sii_cl/signed1.xml","iso-8859-1",0)

Debug.Print sbXml.GetAsString()

' ----------------------------------------
' Verify the signatures we just produced...
Dim verifier As New ChilkatXmlDSig
success = verifier.LoadSignatureSb(sbXml)
If (success <> 1) Then
    Debug.Print verifier.LastErrorText
    Exit Sub
End If

Dim numSigs As Long
numSigs = verifier.NumSignatures
Dim verifyIdx As Long
verifyIdx = 0
Do While verifyIdx < numSigs
    verifier.Selector = verifyIdx
    Dim verified As Long
    verified = verifier.VerifySignature(1)
    If (verified <> 1) Then
        Debug.Print verifier.LastErrorText
        Exit Sub
    End If

    verifyIdx = verifyIdx + 1
Loop
Debug.Print "All signatures were successfully verified."