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SII XML Digital Signature
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Example for SII XML Digital Signature.Chilkat Go Downloads
success := false
success = true
// Load the XML to be signed.
xmlToSign := chilkat.NewXml()
success = xmlToSign.LoadXmlFile("c:/aaworkarea/eduardo/sii_unsigned.xml")
if success == false {
fmt.Println(xmlToSign.LastErrorText())
xmlToSign.DisposeXml()
return
}
// The sample XML to be signed looks like this:
// <?xml version="1.0" encoding="ISO-8859-1"?>
// <EnvioDTE 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" version="1.0">
// <SetDTE ID="SetDocF0T33_20240425_170512">
// <Caratula version="1.0">
// <RutEmisor>99999999-4</RutEmisor>
// <RutEnvia>12345678-6</RutEnvia>
// <RutReceptor>888888000-K</RutReceptor>
// <FchResol>2014-08-22</FchResol>
// <NroResol>80</NroResol>
// <TmstFirmaEnv>2024-04-25T17:05:13</TmstFirmaEnv>
// <SubTotDTE>
// <TpoDTE>33</TpoDTE>
// <NroDTE>1</NroDTE>
// </SubTotDTE>
// </Caratula>
// <DTE version="1.0">
// <Documento ID="F555T55">
// ...
// </Documento>
// </EnvioDTE>
gen := chilkat.NewXmlDSigGen()
gen.SetSigLocation("EnvioDTE|SetDTE|DTE")
gen.SetSigLocationMod(0)
gen.SetSigNamespacePrefix("")
gen.SetSigNamespaceUri("http://www.w3.org/2000/09/xmldsig#")
gen.SetSignedInfoCanonAlg("C14N")
gen.SetSignedInfoDigestMethod("sha1")
// -------- Reference 1 --------
xml1 := chilkat.NewXml()
xml1.SetTag("Transforms")
xml1.UpdateAttrAt("Transform",true,"Algorithm","http://www.w3.org/TR/2001/REC-xml-c14n-20010315")
gen.AddSameDocRef2("F511T33","sha1",xml1,"")
// Provide a certificate + private key. (PFX password is test123)
cert := chilkat.NewCert()
success = cert.LoadPfxFile("qa_data/pfx/cert_test123.pfx","test123")
if success != true {
fmt.Println(cert.LastErrorText())
xmlToSign.DisposeXml()
gen.DisposeXmlDSigGen()
xml1.DisposeXml()
cert.DisposeCert()
return
}
gen.SetX509Cert(cert,true)
gen.SetKeyInfoType("X509Data+KeyValue")
gen.SetX509Type("Certificate")
// Load XML to be signed...
sbXml := chilkat.NewStringBuilder()
xmlToSign.GetXmlSb(sbXml)
gen.SetBehaviors("IndentedSignature")
// Sign the XML...
success = gen.CreateXmlDSigSb(sbXml)
if success != true {
fmt.Println(gen.LastErrorText())
xmlToSign.DisposeXml()
gen.DisposeXmlDSigGen()
xml1.DisposeXml()
cert.DisposeCert()
sbXml.DisposeStringBuilder()
return
}
// -----------------------------------------------
// Save the signed XML to a file.
success = sbXml.WriteFile("c:/temp/qa_output/signedXml.xml","utf-8",false)
fmt.Println(*sbXml.GetAsString())
// ----------------------------------------
// Verify the signatures we just produced...
verifier := chilkat.NewXmlDSig()
success = verifier.LoadSignatureSb(sbXml)
if success != true {
fmt.Println(verifier.LastErrorText())
xmlToSign.DisposeXml()
gen.DisposeXmlDSigGen()
xml1.DisposeXml()
cert.DisposeCert()
sbXml.DisposeStringBuilder()
verifier.DisposeXmlDSig()
return
}
numSigs := verifier.NumSignatures()
verifyIdx := 0
for verifyIdx < numSigs {
verifier.SetSelector(verifyIdx)
verified := verifier.VerifySignature(true)
if verified != true {
fmt.Println(verifier.LastErrorText())
xmlToSign.DisposeXml()
gen.DisposeXmlDSigGen()
xml1.DisposeXml()
cert.DisposeCert()
sbXml.DisposeStringBuilder()
verifier.DisposeXmlDSig()
return
}
verifyIdx = verifyIdx + 1
}
fmt.Println("All signatures were successfully verified.")
xmlToSign.DisposeXml()
gen.DisposeXmlDSigGen()
xml1.DisposeXml()
cert.DisposeCert()
sbXml.DisposeStringBuilder()
verifier.DisposeXmlDSig()