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(Classic ASP) Create JPK_VAT XaDES-BES Signed XML

Demonstrates how to sign XML for JPK_VAT.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<%
' This example requires the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

' This example will sign the following XML document:

' <?xml version="1.0" encoding="utf-8"?>
' <InitUpload xmlns="http://e-dokumenty.mf.gov.pl">
'     <DocumentType>JPK</DocumentType>
'     <Version>01.02.01.20160617</Version>
'     <EncryptionKey algorithm="RSA" encoding="Base64" mode="ECB" padding="PKCS#1">...</EncryptionKey>
'     <DocumentList>
'         <Document>
'             <FormCode schemaVersion="1-1" systemCode="JPK_VAT (3)">JPK_VAT</FormCode>
'             <FileName>JPK_VAT_3_v1-1_20181208.xml</FileName>
'             <ContentLength>8736</ContentLength>
'             <HashValue algorithm="SHA-256" encoding="Base64">JEEI1pItwh6dj/Xe1uts/x61qnjZ4DLHpkRMhmf1oQQ=</HashValue>
'             <FileSignatureList filesNumber="1">
'                 <Packaging>
'                     <SplitZip mode="zip" type="split"/>
'                 </Packaging>
'                 <Encryption>
'                     <AES block="16" mode="CBC" padding="PKCS#7" size="256">
'                         <IV bytes="16" encoding="Base64">FFsCRAPYJD3J6cRvd44UDA==</IV>
'                     </AES>
'                 </Encryption>
'                 <FileSignature>
'                     <OrdinalNumber>1</OrdinalNumber>
'                     <FileName>JPK_VAT_3_v1-1_20181208-000.xml.zip.aes</FileName>
'                     <ContentLength>16</ContentLength>
'                     <HashValue algorithm="MD5" encoding="Base64">BX2DTD3ASC/zF6aq/012Cg==</HashValue>
'                 </FileSignature>
'             </FileSignatureList>
'         </Document>
'     </DocumentList>
' </InitUpload>

' First we build the XML to be signed.
' 
' Use this online tool to generate the code from sample XML: 
' Generate Code to Create XML

success = 1
' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Xml")
set xmlToSign = Server.CreateObject("Chilkat.Xml")
xmlToSign.Tag = "InitUpload"
success = xmlToSign.AddAttribute("xmlns","http://e-dokumenty.mf.gov.pl")
xmlToSign.UpdateChildContent "DocumentType","JPK"
xmlToSign.UpdateChildContent "Version","01.02.01.20160617"
success = xmlToSign.UpdateAttrAt("EncryptionKey",1,"algorithm","RSA")
success = xmlToSign.UpdateAttrAt("EncryptionKey",1,"encoding","Base64")
success = xmlToSign.UpdateAttrAt("EncryptionKey",1,"mode","ECB")
success = xmlToSign.UpdateAttrAt("EncryptionKey",1,"padding","PKCS#1")
xmlToSign.UpdateChildContent "EncryptionKey","..."
success = xmlToSign.UpdateAttrAt("DocumentList|Document|FormCode",1,"schemaVersion","1-1")
success = xmlToSign.UpdateAttrAt("DocumentList|Document|FormCode",1,"systemCode","JPK_VAT (3)")
xmlToSign.UpdateChildContent "DocumentList|Document|FormCode","JPK_VAT"
xmlToSign.UpdateChildContent "DocumentList|Document|FileName","JPK_VAT_3_v1-1_20181208.xml"
xmlToSign.UpdateChildContent "DocumentList|Document|ContentLength","8736"
success = xmlToSign.UpdateAttrAt("DocumentList|Document|HashValue",1,"algorithm","SHA-256")
success = xmlToSign.UpdateAttrAt("DocumentList|Document|HashValue",1,"encoding","Base64")
xmlToSign.UpdateChildContent "DocumentList|Document|HashValue","JEEI1pItwh6dj/Xe1uts/x61qnjZ4DLHpkRMhmf1oQQ="
success = xmlToSign.UpdateAttrAt("DocumentList|Document|FileSignatureList",1,"filesNumber","1")
success = xmlToSign.UpdateAttrAt("DocumentList|Document|FileSignatureList|Packaging|SplitZip",1,"mode","zip")
success = xmlToSign.UpdateAttrAt("DocumentList|Document|FileSignatureList|Packaging|SplitZip",1,"type","split")
success = xmlToSign.UpdateAttrAt("DocumentList|Document|FileSignatureList|Encryption|AES",1,"block","16")
success = xmlToSign.UpdateAttrAt("DocumentList|Document|FileSignatureList|Encryption|AES",1,"mode","CBC")
success = xmlToSign.UpdateAttrAt("DocumentList|Document|FileSignatureList|Encryption|AES",1,"padding","PKCS#7")
success = xmlToSign.UpdateAttrAt("DocumentList|Document|FileSignatureList|Encryption|AES",1,"size","256")
success = xmlToSign.UpdateAttrAt("DocumentList|Document|FileSignatureList|Encryption|AES|IV",1,"bytes","16")
success = xmlToSign.UpdateAttrAt("DocumentList|Document|FileSignatureList|Encryption|AES|IV",1,"encoding","Base64")
xmlToSign.UpdateChildContent "DocumentList|Document|FileSignatureList|Encryption|AES|IV","FFsCRAPYJD3J6cRvd44UDA=="
xmlToSign.UpdateChildContent "DocumentList|Document|FileSignatureList|FileSignature|OrdinalNumber","1"
xmlToSign.UpdateChildContent "DocumentList|Document|FileSignatureList|FileSignature|FileName","JPK_VAT_3_v1-1_20181208-000.xml.zip.aes"
xmlToSign.UpdateChildContent "DocumentList|Document|FileSignatureList|FileSignature|ContentLength","16"
success = xmlToSign.UpdateAttrAt("DocumentList|Document|FileSignatureList|FileSignature|HashValue",1,"algorithm","MD5")
success = xmlToSign.UpdateAttrAt("DocumentList|Document|FileSignatureList|FileSignature|HashValue",1,"encoding","Base64")
xmlToSign.UpdateChildContent "DocumentList|Document|FileSignatureList|FileSignature|HashValue","BX2DTD3ASC/zF6aq/012Cg=="

' Also see the online tool to generate the code from sample already-signed XML: 
' Generate XML Signature Creation Code from an Already-Signed XML Sample

' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.XmlDSigGen")
set gen = Server.CreateObject("Chilkat.XmlDSigGen")

gen.SigLocation = "InitUpload"
gen.SigId = "id-1234"
gen.SigNamespacePrefix = "ds"
gen.SigNamespaceUri = "http://www.w3.org/2000/09/xmldsig#"
gen.SignedInfoCanonAlg = "EXCL_C14N"
gen.SignedInfoDigestMethod = "sha256"

' Create an Object to be added to the Signature.
' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Xml")
set object1 = Server.CreateObject("Chilkat.Xml")
object1.Tag = "xades:QualifyingProperties"
success = object1.AddAttribute("Target","#id-1234")
success = object1.AddAttribute("xmlns:xades","http://uri.etsi.org/01903/v1.3.2#")
success = object1.UpdateAttrAt("xades:SignedProperties",1,"Id","xades-id-1234")
object1.UpdateChildContent "xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningTime","TO BE GENERATED BY CHILKAT"
success = object1.UpdateAttrAt("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificateV2|xades:Cert|xades:CertDigest|ds:DigestMethod",1,"Algorithm","http://www.w3.org/2001/04/xmlenc#sha256")
object1.UpdateChildContent "xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificateV2|xades:Cert|xades:CertDigest|ds:DigestValue","TO BE GENERATED BY CHILKAT"
object1.UpdateChildContent "xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificateV2|xades:Cert|xades:IssuerSerialV2","TO BE GENERATED BY CHILKAT"
success = object1.UpdateAttrAt("xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat",1,"ObjectReference","#r-id-1")
object1.UpdateChildContent "xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:MimeType","text/xml"

success = gen.AddObject("",object1.GetXml(),"","")

' -------- Reference 1 --------
' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Xml")
set xml1 = Server.CreateObject("Chilkat.Xml")
xml1.Tag = "ds:Transforms"
success = xml1.UpdateAttrAt("ds:Transform",1,"Algorithm","http://www.w3.org/TR/1999/REC-xpath-19991116")
xml1.UpdateChildContent "ds:Transform|ds:XPath","not(ancestor-or-self::ds:Signature)"
success = xml1.UpdateAttrAt("ds:Transform[1]",1,"Algorithm","http://www.w3.org/2001/10/xml-exc-c14n#")

success = gen.AddSameDocRef2("","sha256",xml1,"")
success = gen.SetRefIdAttr("","r-id-1")

' -------- Reference 2 --------
' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Xml")
set xml2 = Server.CreateObject("Chilkat.Xml")
xml2.Tag = "ds:Transforms"
success = xml2.UpdateAttrAt("ds:Transform",1,"Algorithm","http://www.w3.org/2001/10/xml-exc-c14n#")

success = gen.AddObjectRef2("xades-id-1234","sha256",xml2,"http://uri.etsi.org/01903#SignedProperties")

' Provide a certificate + private key. (PFX password is test123)
' See Load Certificate on Smartcard for an example showing how to load the cert from a smartcard..
' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Cert")
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...
' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.StringBuilder")
set sbXml = Server.CreateObject("Chilkat.StringBuilder")
success = xmlToSign.GetXmlSb(sbXml)

gen.Behaviors = "IndentedSignature,TransformSignatureXPath,IssuerSerialHex"

' 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("qa_output/signedXml.xml","utf-8",0)

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

' ----------------------------------------
' Verify the signature we just produced...
' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.XmlDSig")
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

verified = verifier.VerifySignature(1)
If (verified <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( verifier.LastErrorText) & "</pre>"
    Response.End
End If

Response.Write "<pre>" & Server.HTMLEncode( "This signature was successfully verified.") & "</pre>"

%>
</body>
</html>
 

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