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(Unicode C++) UBL XAdES Enveloped Signature

Demonstrates how to create a UBL XAdES enveloped signature.

Note: This example requires Chilkat v9.5.0.80 or greater.

Chilkat C/C++ Library Downloads

MS Visual C/C++

Linux/CentOS C/C++

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MAC OS X C/C++

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iOS C/C++

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#include <CkXmlW.h>
#include <CkXmlDSigGenW.h>
#include <CkCertW.h>
#include <CkStringBuilderW.h>
#include <CkXmlDSigW.h>

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

    bool 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

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

    CkXmlDSigGenW gen;

    gen.put_SigLocation(L"CreditNote|ext:UBLExtensions|ext:UBLExtension|ext:ExtensionContent|sig:UBLDocumentSignatures|sac:SignatureInformation");
    gen.put_SigLocationMod(0);
    gen.put_SigId(L"Signature-7f4c4719515a4a0a8ce4d1b983a2ec69");
    gen.put_SigNamespacePrefix(L"");
    gen.put_SigNamespaceUri(L"http://www.w3.org/2000/09/xmldsig#");
    gen.put_SignedInfoCanonAlg(L"C14N");
    gen.put_SignedInfoDigestMethod(L"sha256");

    // Create an Object to be added to the Signature.
    CkXmlW object1;
    object1.put_Tag(L"xades:QualifyingProperties");
    object1.AddAttribute(L"xmlns:ds",L"http://www.w3.org/2000/09/xmldsig#");
    object1.AddAttribute(L"xmlns:xades",L"http://uri.etsi.org/01903/v1.3.2#");
    object1.AddAttribute(L"Target",L"#Signature-7f4c4719515a4a0a8ce4d1b983a2ec69");
    object1.UpdateAttrAt(L"xades:SignedProperties",true,L"Id",L"SignedProperties-6573207f4ad64b49b0310f7a9e2dfadc");
    object1.UpdateChildContent(L"xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningTime",L"TO BE GENERATED BY CHILKAT");
    object1.UpdateAttrAt(L"xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert|xades:CertDigest|ds:DigestMethod",true,L"Algorithm",L"http://www.w3.org/2000/09/xmldsig#sha1");
    object1.UpdateChildContent(L"xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert|xades:CertDigest|ds:DigestValue",L"TO BE GENERATED BY CHILKAT");
    object1.UpdateChildContent(L"xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert|xades:IssuerSerial|ds:X509IssuerName",L"TO BE GENERATED BY CHILKAT");
    object1.UpdateChildContent(L"xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert|xades:IssuerSerial|ds:X509SerialNumber",L"TO BE GENERATED BY CHILKAT");
    object1.UpdateAttrAt(L"xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat",true,L"ObjectReference",L"");
    object1.UpdateChildContent(L"xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:Description",L"document");
    object1.UpdateChildContent(L"xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:MimeType",L"application/xml");
    object1.UpdateChildContent(L"xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:Encoding",L"UTF-8");

    gen.AddObject(L"",object1.getXml(),L"",L"");

    // -------- Reference 1 --------
    gen.AddSameDocRef(L"",L"sha256",L"",L"",L"");

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

    // Provide a certificate + private key. (PFX password is test123)
    CkCertW cert;
    success = cert.LoadPfxFile(L"qa_data/pfx/cert_test123.pfx",L"test123");
    if (success != true) {
        wprintf(L"%s\n",cert.lastErrorText());
        return;
    }

    gen.SetX509Cert(cert,true);

    gen.put_KeyInfoType(L"X509Data+KeyValue");
    gen.put_X509Type(L"IssuerSerial,SubjectName,SKI,Certificate");

    // Load XML to be signed...
    CkStringBuilderW sbXml;
    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.put_Behaviors(L"IndentedSignature,UBLDocumentSignatures");

    // Sign the XML...
    success = gen.CreateXmlDSigSb(sbXml);
    if (success != true) {
        wprintf(L"%s\n",gen.lastErrorText());
        return;
    }

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

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

    wprintf(L"%s\n",sbXml.getAsString());

    // ----------------------------------------
    // Verify the signature we just produced...
    CkXmlDSigW verifier;
    success = verifier.LoadSignatureSb(sbXml);
    if (success != true) {
        wprintf(L"%s\n",verifier.lastErrorText());
        return;
    }

    // We should have just one signature..
    int numSigs = verifier.get_NumSignatures();
    int verifyIdx = 0;
    while (verifyIdx < numSigs) {
        verifier.put_Selector(verifyIdx);
        bool verified = verifier.VerifySignature(true);
        if (verified != true) {
            wprintf(L"%s\n",verifier.lastErrorText());
            return;
        }

        verifyIdx = verifyIdx + 1;
    }

    wprintf(L"The signature was successfully verified.\n");
    }

 

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