Sample code for 30+ languages & platforms
Xojo Plugin

UBL XAdES Enveloped Signature

See more XAdES Examples

Demonstrates how to create a UBL XAdES enveloped signature.

Chilkat Xojo Plugin Downloads

Xojo Plugin
Dim success As Boolean
success = False

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

success = True

// 
// The following code creates the XML document to be signed.
// (It is also possible to simply load the XML into the Chilkat XML object by calling the LoadXml method.)

// A sample (already signed) of this XML is available here:  External link: credit-note-en16931-xades-signed.xml

// Also, you may use this online tool to generate code from sample XML: 
// Generate Code to Create XML

Dim xmlToSign As New Chilkat.Xml
xmlToSign.Tag = "CreditNote"
success = xmlToSign.AddAttribute("xmlns","urn:oasis:names:specification:ubl:schema:xsd:CreditNote-2")
success = xmlToSign.AddAttribute("xmlns:cac","urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2")
success = xmlToSign.AddAttribute("xmlns:cbc","urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2")
success = xmlToSign.AddAttribute("xmlns:ext","urn:oasis:names:specification:ubl:schema:xsd:CommonExtensionComponents-2")
success = xmlToSign.UpdateAttrAt("ext:UBLExtensions|ext:UBLExtension",True,"xmlns:sac","urn:oasis:names:specification:ubl:schema:xsd:SignatureAggregateComponents-2")
success = xmlToSign.UpdateAttrAt("ext:UBLExtensions|ext:UBLExtension",True,"xmlns:sig","urn:oasis:names:specification:ubl:schema:xsd:CommonSignatureComponents-2")
xmlToSign.UpdateChildContent "ext:UBLExtensions|ext:UBLExtension|ext:ExtensionContent|sig:UBLDocumentSignatures|sac:SignatureInformation",""
xmlToSign.UpdateChildContent "cbc:CustomizationID","urn:cen.eu:en16931:2017"
xmlToSign.UpdateChildContent "cbc:ProfileID","P1"
xmlToSign.UpdateChildContent "cbc:ID","c2ad1540-cf12-4e83-b47c-906aac70242e"
xmlToSign.UpdateChildContent "cbc:IssueDate","2009-12-15"
success = xmlToSign.UpdateAttrAt("cbc:Note",True,"languageID","en")
xmlToSign.UpdateChildContent "cbc:Note","Ordered in our booth at the convention."
success = xmlToSign.UpdateAttrAt("cbc:DocumentCurrencyCode",True,"listAgencyID","6")
success = xmlToSign.UpdateAttrAt("cbc:DocumentCurrencyCode",True,"listID","ISO 4217 Alpha")
xmlToSign.UpdateChildContent "cbc:DocumentCurrencyCode","HRK"
xmlToSign.UpdateChildContent "cbc:AccountingCost","Project cost code 123"
xmlToSign.UpdateChildContent "cac:InvoicePeriod|cbc:StartDate","2009-11-01"
xmlToSign.UpdateChildContent "cac:InvoicePeriod|cbc:EndDate","2009-11-30"
xmlToSign.UpdateChildContent "cac:OrderReference|cbc:ID","123"
xmlToSign.UpdateChildContent "cac:ContractDocumentReference|cbc:ID","Contract321"
xmlToSign.UpdateChildContent "cac:ContractDocumentReference|cbc:DocumentType","Framework agreement"
xmlToSign.UpdateChildContent "cac:AdditionalDocumentReference|cbc:ID","Doc1"
xmlToSign.UpdateChildContent "cac:AdditionalDocumentReference|cbc:DocumentType","Timesheet"
xmlToSign.UpdateChildContent "cac:AdditionalDocumentReference|cac:Attachment|cac:ExternalReference|cbc:URI","http://www.suppliersite.eu/sheet001.html"
xmlToSign.UpdateChildContent "cac:AdditionalDocumentReference[1]|cbc:ID","Doc2"
xmlToSign.UpdateChildContent "cac:AdditionalDocumentReference[1]|cbc:DocumentType","Drawing"
success = xmlToSign.UpdateAttrAt("cac:AdditionalDocumentReference[1]|cac:Attachment|cbc:EmbeddedDocumentBinaryObject",True,"mimeCode","application/pdf")
xmlToSign.UpdateChildContent "cac:AdditionalDocumentReference[1]|cac:Attachment|cbc:EmbeddedDocumentBinaryObject","UjBsR09EbGhjZ0dTQUxNQUFBUUNBRU1tQ1p0dU1GUXhEUzhi"
xmlToSign.UpdateChildContent "cac:AccountingSupplierParty|cac:Party|cac:PartyIdentification|cbc:ID","9934:18683136487::HR99:276"
xmlToSign.UpdateChildContent "cac:AccountingSupplierParty|cac:Party|cac:PostalAddress|cbc:StreetName","KATANCICEVA"
xmlToSign.UpdateChildContent "cac:AccountingSupplierParty|cac:Party|cac:PostalAddress|cbc:CityName","ZAGREB"
xmlToSign.UpdateChildContent "cac:AccountingSupplierParty|cac:Party|cac:PostalAddress|cbc:PostalZone","10000"
xmlToSign.UpdateChildContent "cac:AccountingSupplierParty|cac:Party|cac:PostalAddress|cac:Country|cbc:IdentificationCode","HR"
xmlToSign.UpdateChildContent "cac:AccountingSupplierParty|cac:Party|cac:PartyTaxScheme|cbc:CompanyID","HR18683136487"
xmlToSign.UpdateChildContent "cac:AccountingSupplierParty|cac:Party|cac:PartyTaxScheme|cac:TaxScheme|cbc:ID","FRE"
xmlToSign.UpdateChildContent "cac:AccountingSupplierParty|cac:Party|cac:PartyLegalEntity|cbc:RegistrationName","MINISTARSTVO FINANCIJA"
xmlToSign.UpdateChildContent "cac:AccountingSupplierParty|cac:Party|cac:Contact|cbc:Name","JURAJ MARKOVIC"
xmlToSign.UpdateChildContent "cac:AccountingSupplierParty|cac:Party|cac:Contact|cbc:ElectronicMail","juraj.markovic@fina.hr"
xmlToSign.UpdateChildContent "cac:AccountingCustomerParty|cac:Party|cac:PartyIdentification|cbc:ID","9934:49811265576::HR99:NOVO1"
xmlToSign.UpdateChildContent "cac:AccountingCustomerParty|cac:Party|cac:PostalAddress|cbc:StreetName","GETALDICEVA 4"
xmlToSign.UpdateChildContent "cac:AccountingCustomerParty|cac:Party|cac:PostalAddress|cbc:CityName","ZAGREB"
xmlToSign.UpdateChildContent "cac:AccountingCustomerParty|cac:Party|cac:PostalAddress|cbc:PostalZone","10000"
xmlToSign.UpdateChildContent "cac:AccountingCustomerParty|cac:Party|cac:PostalAddress|cac:Country|cbc:IdentificationCode","HR"
xmlToSign.UpdateChildContent "cac:AccountingCustomerParty|cac:Party|cac:PartyTaxScheme|cbc:CompanyID","HR49811265576"
xmlToSign.UpdateChildContent "cac:AccountingCustomerParty|cac:Party|cac:PartyTaxScheme|cac:TaxScheme|cbc:ID","VAT"
xmlToSign.UpdateChildContent "cac:AccountingCustomerParty|cac:Party|cac:PartyLegalEntity|cbc:RegistrationName","NOVO1"
xmlToSign.UpdateChildContent "cac:Delivery|cac:DeliveryLocation|cac:Address|cac:Country|cbc:IdentificationCode","HR"
xmlToSign.UpdateChildContent "cac:PaymentMeans|cbc:PaymentMeansCode","30"
xmlToSign.UpdateChildContent "cac:PaymentMeans|cbc:InstructionNote","Neki opis placanja"
xmlToSign.UpdateChildContent "cac:PaymentMeans|cbc:PaymentID","HR00 12456"
xmlToSign.UpdateChildContent "cac:PaymentMeans|cac:PayeeFinancialAccount|cbc:ID","HR1210010051863000160"
xmlToSign.UpdateChildContent "cac:PaymentTerms|cbc:Note","Neki uvjeti placanja"
success = xmlToSign.UpdateAttrAt("cac:TaxTotal|cbc:TaxAmount",True,"currencyID","HRK")
xmlToSign.UpdateChildContent "cac:TaxTotal|cbc:TaxAmount","25.00"
success = xmlToSign.UpdateAttrAt("cac:TaxTotal|cac:TaxSubtotal|cbc:TaxableAmount",True,"currencyID","HRK")
xmlToSign.UpdateChildContent "cac:TaxTotal|cac:TaxSubtotal|cbc:TaxableAmount","100.00"
success = xmlToSign.UpdateAttrAt("cac:TaxTotal|cac:TaxSubtotal|cbc:TaxAmount",True,"currencyID","HRK")
xmlToSign.UpdateChildContent "cac:TaxTotal|cac:TaxSubtotal|cbc:TaxAmount","25.00"
xmlToSign.UpdateChildContent "cac:TaxTotal|cac:TaxSubtotal|cac:TaxCategory|cbc:ID","S"
xmlToSign.UpdateChildContent "cac:TaxTotal|cac:TaxSubtotal|cac:TaxCategory|cbc:Percent","25"
xmlToSign.UpdateChildContent "cac:TaxTotal|cac:TaxSubtotal|cac:TaxCategory|cac:TaxScheme|cbc:ID","VAT"
success = xmlToSign.UpdateAttrAt("cac:LegalMonetaryTotal|cbc:LineExtensionAmount",True,"currencyID","HRK")
xmlToSign.UpdateChildContent "cac:LegalMonetaryTotal|cbc:LineExtensionAmount","100.00"
success = xmlToSign.UpdateAttrAt("cac:LegalMonetaryTotal|cbc:TaxExclusiveAmount",True,"currencyID","HRK")
xmlToSign.UpdateChildContent "cac:LegalMonetaryTotal|cbc:TaxExclusiveAmount","100.00"
success = xmlToSign.UpdateAttrAt("cac:LegalMonetaryTotal|cbc:TaxInclusiveAmount",True,"currencyID","HRK")
xmlToSign.UpdateChildContent "cac:LegalMonetaryTotal|cbc:TaxInclusiveAmount","125.00"
success = xmlToSign.UpdateAttrAt("cac:LegalMonetaryTotal|cbc:PayableAmount",True,"currencyID","HRK")
xmlToSign.UpdateChildContent "cac:LegalMonetaryTotal|cbc:PayableAmount","125.00"
xmlToSign.UpdateChildContent "cac:CreditNoteLine|cbc:ID","1"
success = xmlToSign.UpdateAttrAt("cac:CreditNoteLine|cbc:CreditedQuantity",True,"unitCode","H87")
xmlToSign.UpdateChildContent "cac:CreditNoteLine|cbc:CreditedQuantity","1.000"
success = xmlToSign.UpdateAttrAt("cac:CreditNoteLine|cbc:LineExtensionAmount",True,"currencyID","HRK")
xmlToSign.UpdateChildContent "cac:CreditNoteLine|cbc:LineExtensionAmount","100.00"
xmlToSign.UpdateChildContent "cac:CreditNoteLine|cac:Item|cbc:Description","Neki detaljniji opis proizvoda ide ovdje"
xmlToSign.UpdateChildContent "cac:CreditNoteLine|cac:Item|cbc:Name","Neki proizvod"
xmlToSign.UpdateChildContent "cac:CreditNoteLine|cac:Item|cac:OriginCountry|cbc:IdentificationCode","HR"
xmlToSign.UpdateChildContent "cac:CreditNoteLine|cac:Item|cac:ClassifiedTaxCategory|cbc:ID","S"
xmlToSign.UpdateChildContent "cac:CreditNoteLine|cac:Item|cac:ClassifiedTaxCategory|cbc:Percent","25"
xmlToSign.UpdateChildContent "cac:CreditNoteLine|cac:Item|cac:ClassifiedTaxCategory|cac:TaxScheme|cbc:ID","VAT"
xmlToSign.UpdateChildContent "cac:CreditNoteLine|cac:Item|cac:AdditionalItemProperty|cbc:Name","Boja"
xmlToSign.UpdateChildContent "cac:CreditNoteLine|cac:Item|cac:AdditionalItemProperty|cbc:Value","Plava"
xmlToSign.UpdateChildContent "cac:CreditNoteLine|cac:Item|cac:AdditionalItemProperty[1]|cbc:Name","Masa"
xmlToSign.UpdateChildContent "cac:CreditNoteLine|cac:Item|cac:AdditionalItemProperty[1]|cbc:Value","1,2 Kg"
success = xmlToSign.UpdateAttrAt("cac:CreditNoteLine|cac:Price|cbc:PriceAmount",True,"currencyID","HRK")
xmlToSign.UpdateChildContent "cac:CreditNoteLine|cac:Price|cbc:PriceAmount","100.000000"
success = xmlToSign.UpdateAttrAt("cac:CreditNoteLine|cac:Price|cbc:BaseQuantity",True,"unitCode","H87")
xmlToSign.UpdateChildContent "cac:CreditNoteLine|cac:Price|cbc:BaseQuantity","1.000"

// Use this online tool to generate XAdES code from a sample signed XML: 
// Generate Code to Creaet XAdES from Sample XAdES

// The following code was generated by the online tool.

Dim gen As New Chilkat.XmlDSigGen

gen.SigLocation = "CreditNote|ext:UBLExtensions|ext:UBLExtension|ext:ExtensionContent|sig:UBLDocumentSignatures|sac:SignatureInformation"
gen.SigLocationMod = 0
gen.SigId = "Signature-7f4c4719515a4a0a8ce4d1b983a2ec69"
gen.SigNamespacePrefix = ""
gen.SigNamespaceUri = "http://www.w3.org/2000/09/xmldsig#"
gen.SignedInfoCanonAlg = "C14N"
gen.SignedInfoDigestMethod = "sha256"

// Create an Object to be added to the Signature.
Dim object1 As New Chilkat.Xml
object1.Tag = "xades:QualifyingProperties"
success = object1.AddAttribute("xmlns:ds","http://www.w3.org/2000/09/xmldsig#")
success = object1.AddAttribute("xmlns:xades","http://uri.etsi.org/01903/v1.3.2#")
success = object1.AddAttribute("Target","#Signature-7f4c4719515a4a0a8ce4d1b983a2ec69")
success = object1.UpdateAttrAt("xades:SignedProperties",True,"Id","SignedProperties-6573207f4ad64b49b0310f7a9e2dfadc")
object1.UpdateChildContent "xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningTime","TO BE GENERATED BY CHILKAT"
// Note: It may be that http://www.w3.org/2001/04/xmlenc#sha256 is needed in the following line instead of http://www.w3.org/2000/09/xmldsig#sha1
success = object1.UpdateAttrAt("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificateV2|xades:Cert|xades:CertDigest|ds:DigestMethod",True,"Algorithm","http://www.w3.org/2000/09/xmldsig#sha1")
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",True,"ObjectReference","")
object1.UpdateChildContent "xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:Description","document"
object1.UpdateChildContent "xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:MimeType","application/xml"
object1.UpdateChildContent "xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:Encoding","UTF-8"

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

// -------- Reference 1 --------
success = gen.AddSameDocRef("","sha256","","","")

// -------- Reference 2 --------
success = gen.AddObjectRef("SignedProperties-6573207f4ad64b49b0310f7a9e2dfadc","sha256","","","http://uri.etsi.org/01903#SignedProperties")

// Provide a certificate + private key. (PFX password is test123)
Dim cert As New Chilkat.Cert
success = cert.LoadPfxFile("qa_data/pfx/cert_test123.pfx","test123")
If (success <> True) Then
    System.DebugLog(cert.LastErrorText)
    Return
End If

success = gen.SetX509Cert(cert,True)

gen.KeyInfoType = "X509Data+KeyValue"
gen.X509Type = "IssuerSerial,SubjectName,SKI,Certificate"

// Load XML to be signed...
Dim sbXml As New Chilkat.StringBuilder
success = xmlToSign.GetXmlSb(sbXml)

// Adding the "UBLDocumentSignatures" behavior causes the following Transform to be used for the 
// first Reference:   
//   <Transform Algorithm="http://www.w3.org/TR/1999/REC-xpath-19991116"><XPath>count(ancestor-or-self::sig:UBLDocumentSignatures | here()/ancestor::sig:UBLDocumentSignatures[1]) &gt; count(ancestor-or-self::sig:UBLDocumentSignatures)</XPath></Transform>
gen.Behaviors = "IndentedSignature,UBLDocumentSignatures"

// Sign the XML...
success = gen.CreateXmlDSigSb(sbXml)
If (success <> True) Then
    System.DebugLog(gen.LastErrorText)
    Return
End If

// -----------------------------------------------

// Save the signed XML to a file.
success = sbXml.WriteFile("qa_output/signedXml.xml","utf-8",False)

System.DebugLog(sbXml.GetAsString())

// ----------------------------------------
// Verify the signature we just produced...
Dim verifier As New Chilkat.XmlDSig
success = verifier.LoadSignatureSb(sbXml)
If (success <> True) Then
    System.DebugLog(verifier.LastErrorText)
    Return
End If

// We should have just one signature..
Dim numSigs As Int32
numSigs = verifier.NumSignatures
Dim verifyIdx As Int32
verifyIdx = 0
While verifyIdx < numSigs
    verifier.Selector = verifyIdx
    Dim verified As Boolean
    verified = verifier.VerifySignature(True)
    If (verified <> True) Then
        System.DebugLog(verifier.LastErrorText)
        Return
    End If

    verifyIdx = verifyIdx + 1
Wend

System.DebugLog("The signature was successfully verified.")