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(DataFlex) UBL XAdES Enveloped Signature

Demonstrates how to create a UBL XAdES enveloped signature.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

Use ChilkatAx-9.5.0-win32.pkg

Procedure Test
    Boolean iSuccess
    Handle hoXmlToSign
    Handle hoGen
    Handle hoObject1
    Variant vCert
    Handle hoCert
    Variant vSbXml
    Handle hoSbXml
    Handle hoVerifier
    Integer iNumSigs
    Integer iVerifyIdx
    Boolean iVerified
    String sTemp1

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

    Move True To iSuccess

    // 
    // 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

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

    Get Create (RefClass(cComChilkatXmlDSigGen)) To hoGen
    If (Not(IsComObjectCreated(hoGen))) Begin
        Send CreateComObject of hoGen
    End

    Set ComSigLocation Of hoGen To "CreditNote|ext:UBLExtensions|ext:UBLExtension|ext:ExtensionContent|sig:UBLDocumentSignatures|sac:SignatureInformation"
    Set ComSigLocationMod Of hoGen To 0
    Set ComSigId Of hoGen To "Signature-7f4c4719515a4a0a8ce4d1b983a2ec69"
    Set ComSigNamespacePrefix Of hoGen To ""
    Set ComSigNamespaceUri Of hoGen To "http://www.w3.org/2000/09/xmldsig#"
    Set ComSignedInfoCanonAlg Of hoGen To "C14N"
    Set ComSignedInfoDigestMethod Of hoGen To "sha256"

    // Create an Object to be added to the Signature.
    Get Create (RefClass(cComChilkatXml)) To hoObject1
    If (Not(IsComObjectCreated(hoObject1))) Begin
        Send CreateComObject of hoObject1
    End
    Set ComTag Of hoObject1 To "xades:QualifyingProperties"
    Get ComAddAttribute Of hoObject1 "xmlns:ds" "http://www.w3.org/2000/09/xmldsig#" To iSuccess
    Get ComAddAttribute Of hoObject1 "xmlns:xades" "http://uri.etsi.org/01903/v1.3.2#" To iSuccess
    Get ComAddAttribute Of hoObject1 "Target" "#Signature-7f4c4719515a4a0a8ce4d1b983a2ec69" To iSuccess
    Get ComUpdateAttrAt Of hoObject1 "xades:SignedProperties" True "Id" "SignedProperties-6573207f4ad64b49b0310f7a9e2dfadc" To iSuccess
    Send ComUpdateChildContent To hoObject1 "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
    Get ComUpdateAttrAt Of hoObject1 "xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert|xades:CertDigest|ds:DigestMethod" True "Algorithm" "http://www.w3.org/2000/09/xmldsig#sha1" To iSuccess
    Send ComUpdateChildContent To hoObject1 "xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert|xades:CertDigest|ds:DigestValue" "TO BE GENERATED BY CHILKAT"
    Send ComUpdateChildContent To hoObject1 "xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert|xades:IssuerSerial|ds:X509IssuerName" "TO BE GENERATED BY CHILKAT"
    Send ComUpdateChildContent To hoObject1 "xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert|xades:IssuerSerial|ds:X509SerialNumber" "TO BE GENERATED BY CHILKAT"
    Get ComUpdateAttrAt Of hoObject1 "xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat" True "ObjectReference" "" To iSuccess
    Send ComUpdateChildContent To hoObject1 "xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:Description" "document"
    Send ComUpdateChildContent To hoObject1 "xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:MimeType" "application/xml"
    Send ComUpdateChildContent To hoObject1 "xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:Encoding" "UTF-8"

    Get ComGetXml Of hoObject1 To sTemp1
    Get ComAddObject Of hoGen "" sTemp1 "" "" To iSuccess

    // -------- Reference 1 --------
    Get ComAddSameDocRef Of hoGen "" "sha256" "" "" "" To iSuccess

    // -------- Reference 2 --------
    Get ComAddObjectRef Of hoGen "SignedProperties-6573207f4ad64b49b0310f7a9e2dfadc" "sha256" "" "" "http://uri.etsi.org/01903#SignedProperties" To iSuccess

    // Provide a certificate + private key. (PFX password is test123)
    Get Create (RefClass(cComChilkatCert)) To hoCert
    If (Not(IsComObjectCreated(hoCert))) Begin
        Send CreateComObject of hoCert
    End
    Get ComLoadPfxFile Of hoCert "qa_data/pfx/cert_test123.pfx" "test123" To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoCert To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get pvComObject of hoCert to vCert
    Get ComSetX509Cert Of hoGen vCert True To iSuccess

    Set ComKeyInfoType Of hoGen To "X509Data+KeyValue"
    Set ComX509Type Of hoGen To "IssuerSerial,SubjectName,SKI,Certificate"

    // Load XML to be signed...
    Get Create (RefClass(cComChilkatStringBuilder)) To hoSbXml
    If (Not(IsComObjectCreated(hoSbXml))) Begin
        Send CreateComObject of hoSbXml
    End
    Get pvComObject of hoSbXml to vSbXml
    Get ComGetXmlSb Of hoXmlToSign vSbXml To iSuccess

    // 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>
    Set ComBehaviors Of hoGen To "IndentedSignature,UBLDocumentSignatures"

    // Sign the XML...
    Get pvComObject of hoSbXml to vSbXml
    Get ComCreateXmlDSigSb Of hoGen vSbXml To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoGen To sTemp1
        Showln sTemp1
        Procedure_Return
    End

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

    // Save the signed XML to a file.
    Get ComWriteFile Of hoSbXml "qa_output/signedXml.xml" "utf-8" False To iSuccess

    Get ComGetAsString Of hoSbXml To sTemp1
    Showln sTemp1

    // ----------------------------------------
    // Verify the signature we just produced...
    Get Create (RefClass(cComChilkatXmlDSig)) To hoVerifier
    If (Not(IsComObjectCreated(hoVerifier))) Begin
        Send CreateComObject of hoVerifier
    End
    Get pvComObject of hoSbXml to vSbXml
    Get ComLoadSignatureSb Of hoVerifier vSbXml To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoVerifier To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // We should have just one signature..
    Get ComNumSignatures Of hoVerifier To iNumSigs
    Move 0 To iVerifyIdx
    While (iVerifyIdx < iNumSigs)
        Set ComSelector Of hoVerifier To iVerifyIdx
        Get ComVerifySignature Of hoVerifier True To iVerified
        If (iVerified <> True) Begin
            Get ComLastErrorText Of hoVerifier To sTemp1
            Showln sTemp1
            Procedure_Return
        End

        Move (iVerifyIdx + 1) To iVerifyIdx
    Loop

    Showln "The signature was successfully verified."


End_Procedure
 

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