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Create JPK_VAT XaDES-BES Signed XML

See more XAdES Examples

Demonstrates how to sign XML for JPK_VAT.

Chilkat PowerBuilder Downloads

PowerBuilder
integer li_rc
integer li_Success
oleobject loo_XmlToSign
oleobject loo_Gen
oleobject loo_Object1
oleobject loo_Xml1
oleobject loo_Xml2
oleobject loo_Cert
oleobject loo_SbXml
oleobject loo_Verifier
integer li_Verified

li_Success = 0

// 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

li_Success = 1
loo_XmlToSign = create oleobject
li_rc = loo_XmlToSign.ConnectToNewObject("Chilkat.Xml")
if li_rc < 0 then
    destroy loo_XmlToSign
    MessageBox("Error","Connecting to COM object failed")
    return
end if
loo_XmlToSign.Tag = "InitUpload"
loo_XmlToSign.AddAttribute("xmlns","http://e-dokumenty.mf.gov.pl")
loo_XmlToSign.UpdateChildContent("DocumentType","JPK")
loo_XmlToSign.UpdateChildContent("Version","01.02.01.20160617")
loo_XmlToSign.UpdateAttrAt("EncryptionKey",1,"algorithm","RSA")
loo_XmlToSign.UpdateAttrAt("EncryptionKey",1,"encoding","Base64")
loo_XmlToSign.UpdateAttrAt("EncryptionKey",1,"mode","ECB")
loo_XmlToSign.UpdateAttrAt("EncryptionKey",1,"padding","PKCS#1")
loo_XmlToSign.UpdateChildContent("EncryptionKey","...")
loo_XmlToSign.UpdateAttrAt("DocumentList|Document|FormCode",1,"schemaVersion","1-1")
loo_XmlToSign.UpdateAttrAt("DocumentList|Document|FormCode",1,"systemCode","JPK_VAT (3)")
loo_XmlToSign.UpdateChildContent("DocumentList|Document|FormCode","JPK_VAT")
loo_XmlToSign.UpdateChildContent("DocumentList|Document|FileName","JPK_VAT_3_v1-1_20181208.xml")
loo_XmlToSign.UpdateChildContent("DocumentList|Document|ContentLength","8736")
loo_XmlToSign.UpdateAttrAt("DocumentList|Document|HashValue",1,"algorithm","SHA-256")
loo_XmlToSign.UpdateAttrAt("DocumentList|Document|HashValue",1,"encoding","Base64")
loo_XmlToSign.UpdateChildContent("DocumentList|Document|HashValue","JEEI1pItwh6dj/Xe1uts/x61qnjZ4DLHpkRMhmf1oQQ=")
loo_XmlToSign.UpdateAttrAt("DocumentList|Document|FileSignatureList",1,"filesNumber","1")
loo_XmlToSign.UpdateAttrAt("DocumentList|Document|FileSignatureList|Packaging|SplitZip",1,"mode","zip")
loo_XmlToSign.UpdateAttrAt("DocumentList|Document|FileSignatureList|Packaging|SplitZip",1,"type","split")
loo_XmlToSign.UpdateAttrAt("DocumentList|Document|FileSignatureList|Encryption|AES",1,"block","16")
loo_XmlToSign.UpdateAttrAt("DocumentList|Document|FileSignatureList|Encryption|AES",1,"mode","CBC")
loo_XmlToSign.UpdateAttrAt("DocumentList|Document|FileSignatureList|Encryption|AES",1,"padding","PKCS#7")
loo_XmlToSign.UpdateAttrAt("DocumentList|Document|FileSignatureList|Encryption|AES",1,"size","256")
loo_XmlToSign.UpdateAttrAt("DocumentList|Document|FileSignatureList|Encryption|AES|IV",1,"bytes","16")
loo_XmlToSign.UpdateAttrAt("DocumentList|Document|FileSignatureList|Encryption|AES|IV",1,"encoding","Base64")
loo_XmlToSign.UpdateChildContent("DocumentList|Document|FileSignatureList|Encryption|AES|IV","FFsCRAPYJD3J6cRvd44UDA==")
loo_XmlToSign.UpdateChildContent("DocumentList|Document|FileSignatureList|FileSignature|OrdinalNumber","1")
loo_XmlToSign.UpdateChildContent("DocumentList|Document|FileSignatureList|FileSignature|FileName","JPK_VAT_3_v1-1_20181208-000.xml.zip.aes")
loo_XmlToSign.UpdateChildContent("DocumentList|Document|FileSignatureList|FileSignature|ContentLength","16")
loo_XmlToSign.UpdateAttrAt("DocumentList|Document|FileSignatureList|FileSignature|HashValue",1,"algorithm","MD5")
loo_XmlToSign.UpdateAttrAt("DocumentList|Document|FileSignatureList|FileSignature|HashValue",1,"encoding","Base64")
loo_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

loo_Gen = create oleobject
li_rc = loo_Gen.ConnectToNewObject("Chilkat.XmlDSigGen")

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

// Create an Object to be added to the Signature.
loo_Object1 = create oleobject
li_rc = loo_Object1.ConnectToNewObject("Chilkat.Xml")

loo_Object1.Tag = "xades:QualifyingProperties"
loo_Object1.AddAttribute("Target","#id-1234")
loo_Object1.AddAttribute("xmlns:xades","http://uri.etsi.org/01903/v1.3.2#")
loo_Object1.UpdateAttrAt("xades:SignedProperties",1,"Id","xades-id-1234")
loo_Object1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningTime","TO BE GENERATED BY CHILKAT")
loo_Object1.UpdateAttrAt("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificateV2|xades:Cert|xades:CertDigest|ds:DigestMethod",1,"Algorithm","http://www.w3.org/2001/04/xmlenc#sha256")
loo_Object1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificateV2|xades:Cert|xades:CertDigest|ds:DigestValue","TO BE GENERATED BY CHILKAT")
loo_Object1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificateV2|xades:Cert|xades:IssuerSerialV2","TO BE GENERATED BY CHILKAT")
loo_Object1.UpdateAttrAt("xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat",1,"ObjectReference","#r-id-1")
loo_Object1.UpdateChildContent("xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:MimeType","text/xml")

loo_Gen.AddObject("",loo_Object1.GetXml(),"","")

// -------- Reference 1 --------
loo_Xml1 = create oleobject
li_rc = loo_Xml1.ConnectToNewObject("Chilkat.Xml")

loo_Xml1.Tag = "ds:Transforms"
loo_Xml1.UpdateAttrAt("ds:Transform",1,"Algorithm","http://www.w3.org/TR/1999/REC-xpath-19991116")
loo_Xml1.UpdateChildContent("ds:Transform|ds:XPath","not(ancestor-or-self::ds:Signature)")
loo_Xml1.UpdateAttrAt("ds:Transform[1]",1,"Algorithm","http://www.w3.org/2001/10/xml-exc-c14n#")

loo_Gen.AddSameDocRef2("","sha256",loo_Xml1,"")
loo_Gen.SetRefIdAttr("","r-id-1")

// -------- Reference 2 --------
loo_Xml2 = create oleobject
li_rc = loo_Xml2.ConnectToNewObject("Chilkat.Xml")

loo_Xml2.Tag = "ds:Transforms"
loo_Xml2.UpdateAttrAt("ds:Transform",1,"Algorithm","http://www.w3.org/2001/10/xml-exc-c14n#")

loo_Gen.AddObjectRef2("xades-id-1234","sha256",loo_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..
loo_Cert = create oleobject
li_rc = loo_Cert.ConnectToNewObject("Chilkat.Cert")

li_Success = loo_Cert.LoadPfxFile("qa_data/pfx/cert_test123.pfx","test123")
if li_Success <> 1 then
    Write-Debug loo_Cert.LastErrorText
    destroy loo_XmlToSign
    destroy loo_Gen
    destroy loo_Object1
    destroy loo_Xml1
    destroy loo_Xml2
    destroy loo_Cert
    return
end if

loo_Gen.SetX509Cert(loo_Cert,1)

loo_Gen.KeyInfoType = "X509Data"
loo_Gen.X509Type = "Certificate"

// Load XML to be signed...
loo_SbXml = create oleobject
li_rc = loo_SbXml.ConnectToNewObject("Chilkat.StringBuilder")

loo_XmlToSign.GetXmlSb(loo_SbXml)

loo_Gen.Behaviors = "IndentedSignature,TransformSignatureXPath,IssuerSerialHex"

// Sign the XML...
li_Success = loo_Gen.CreateXmlDSigSb(loo_SbXml)
if li_Success <> 1 then
    Write-Debug loo_Gen.LastErrorText
    destroy loo_XmlToSign
    destroy loo_Gen
    destroy loo_Object1
    destroy loo_Xml1
    destroy loo_Xml2
    destroy loo_Cert
    destroy loo_SbXml
    return
end if

// Save the signed XMl to a file.
li_Success = loo_SbXml.WriteFile("qa_output/signedXml.xml","utf-8",0)

Write-Debug loo_SbXml.GetAsString()

// ----------------------------------------
// Verify the signature we just produced...
loo_Verifier = create oleobject
li_rc = loo_Verifier.ConnectToNewObject("Chilkat.XmlDSig")

li_Success = loo_Verifier.LoadSignatureSb(loo_SbXml)
if li_Success <> 1 then
    Write-Debug loo_Verifier.LastErrorText
    destroy loo_XmlToSign
    destroy loo_Gen
    destroy loo_Object1
    destroy loo_Xml1
    destroy loo_Xml2
    destroy loo_Cert
    destroy loo_SbXml
    destroy loo_Verifier
    return
end if

li_Verified = loo_Verifier.VerifySignature(1)
if li_Verified <> 1 then
    Write-Debug loo_Verifier.LastErrorText
    destroy loo_XmlToSign
    destroy loo_Gen
    destroy loo_Object1
    destroy loo_Xml1
    destroy loo_Xml2
    destroy loo_Cert
    destroy loo_SbXml
    destroy loo_Verifier
    return
end if

Write-Debug "This signature was successfully verified."


destroy loo_XmlToSign
destroy loo_Gen
destroy loo_Object1
destroy loo_Xml1
destroy loo_Xml2
destroy loo_Cert
destroy loo_SbXml
destroy loo_Verifier