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(Unicode C) Cape Verde Fatura Eletrónica XML Digital Signature

See more XML Digital Signatures Examples

Demonstrates how to sign XML to create a signed invoice compatible with the Cape Verde Fatura Eletrónica requirements.

Note: This example requires Chilkat v9.5.0.89 or greater for a small feature to provide the ability produce mult-line base64 signature ending with 

Chilkat C/C++ Library Downloads

MS Visual C/C++

Linux/CentOS C/C++

Alpine Linux C/C++

MAC OS X C/C++

armhf/aarch64 C/C++

C++ Builder

iOS C/C++

Android C/C++

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MinGW C/C++

#include <C_CkXmlW.h>
#include <C_CkXmlDSigGenW.h>
#include <C_CkCertW.h>
#include <C_CkStringBuilderW.h>
#include <C_CkXmlDSigW.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkXmlW xmlToSign;
    HCkXmlDSigGenW gen;
    HCkXmlW object1;
    HCkCertW cert;
    HCkStringBuilderW sbXml;
    HCkXmlDSigW verifier;
    int numSigs;
    int verifyIdx;
    BOOL verified;

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

    // First create the following XML to be signed.  This can be created programmatically as shown in the code below, or 
    // you can simply load the XML to be signed from a file..

    // <?xml version="1.0" encoding="utf-8"?>
    // <Dfe xmlns="urn:cv:efatura:xsd:v1.0" DocumentTypeCode="1" Id="CV2210818123456789000010100000000546735014601" Version="1.0">
    //     <Invoice>
    //         <LedCode>1</LedCode>
    //         <Serie>SL</Serie>
    //         <DocumentNumber>5</DocumentNumber>
    //         <IssueDate>2021-08-30</IssueDate>
    //         <IssueTime>00:01:00</IssueTime>
    //         <TaxPointDate>2021-08-18</TaxPointDate>
    //         <EmitterParty>
    //             <TaxId CountryCode="CV">123456789</TaxId>
    //             <Name>Maria</Name>
    //             <Address CountryCode="CV">
    //                 <State>Estado do Emissor</State>
    //                 <City>Cidade do Emissor</City>
    //                 <Region>Regi�o do Emissor</Region>
    //                 <Street>Rua do Emissor</Street>
    //                 <StreetDetail>Detalhe da rua do Emissor</StreetDetail>
    //                 <BuildingName>Pr�dio do Emissor</BuildingName>
    //                 <BuildingNumber>1</BuildingNumber>
    //                 <BuildingFloor>2</BuildingFloor>
    //                 <PostalCode>7600</PostalCode>
    //                 <AddressDetail>Detalhe de endere�o do Emissor</AddressDetail>
    //                 <AddressCode>CV774999999999999319</AddressCode>
    //             </Address>
    //             <Contacts>
    //                 <Telephone>1234567</Telephone>
    //                 <Mobilephone>1234568</Mobilephone>
    //                 <Telefax>1234569</Telefax>
    //                 <Email>somebody@example.com</Email>
    //                 <Website>emissor.efatura.cv</Website>
    //             </Contacts>
    //         </EmitterParty>
    //         <ReceiverParty>
    //             <TaxId CountryCode="CV">123456789</TaxId>
    //             <Name>Nome do Recetor</Name>
    //             <Address CountryCode="CV">
    //                 <State>Estado do Recetor</State>
    //                 <City>Cidade do Recetor</City>
    //                 <Region>Regi�o do Recetor</Region>
    //                 <Street>Rua do Recetor</Street>
    //                 <StreetDetail>Detalhe da rua do Recetor</StreetDetail>
    //                 <BuildingName>Pr�dio do Recetor</BuildingName>
    //                 <BuildingNumber>2</BuildingNumber>
    //                 <BuildingFloor>3</BuildingFloor>
    //                 <PostalCode>7601</PostalCode>
    //                 <AddressDetail>Detalhe de endere�o do Recetor</AddressDetail>
    //                 <AddressCode>CV774999999999999319</AddressCode>
    //             </Address>
    //             <Contacts>
    //                 <Telephone>2234567</Telephone>
    //                 <Mobilephone>2234568</Mobilephone>
    //                 <Telefax>2234569</Telefax>
    //                 <Email>rector@efatura.cv</Email>
    //                 <Website>rector.efatura.cv</Website>
    //             </Contacts>
    //         </ReceiverParty>
    //         <Lines>
    //             <Line LineTypeCode="N">
    //                 <Id>01</Id>
    //                 <OrderLineReference>1</OrderLineReference>
    //                 <Quantity UnitCode="EA">3.15</Quantity>
    //                 <Price>123456</Price>
    //                 <PriceExtension>388886</PriceExtension>
    //                 <Discount>15</Discount>
    //                 <NetTotal>252776</NetTotal>
    //                 <Tax TaxTypeCode="IVA">
    //                     <TaxPercentage>15</TaxPercentage>
    //                 </Tax>
    //                 <Item>
    //                     <Description>Telem�vel</Description>
    //                     <Name>Telem�vel</Name>
    //                     <BrandName>Apple</BrandName>
    //                     <ModelName>iPhone X</ModelName>
    //                     <EmitterIdentification>TLMV</EmitterIdentification>
    //                     <StandardIdentification>
    //                         <GTIN>12345</GTIN>
    //                     </StandardIdentification>
    //                     <HazardousRiskIndicator>false</HazardousRiskIndicator>
    //                 </Item>
    //             </Line>
    //         </Lines>
    //         <Totals>
    //             <PriceExtensionTotalAmount>388886</PriceExtensionTotalAmount>
    //             <ChargeTotalAmount>0</ChargeTotalAmount>
    //             <DiscountTotalAmount>136110</DiscountTotalAmount>
    //             <NetTotalAmount>252776</NetTotalAmount>
    //             <Discount ValueType="P">20</Discount>
    //             <TaxTotalAmount>37916</TaxTotalAmount>
    //             <PayableAmount>290692</PayableAmount>
    //         </Totals>
    //         <References>
    //             <Reference>
    //                 <FiscalDocument IsOldDocument="false">CV1200520123456789000112345678901112345678901</FiscalDocument>
    //                 <PaymentAmount>12345</PaymentAmount>
    //                 <Tax TaxTypeCode="IR">
    //                     <TaxPercentage>10</TaxPercentage>
    //                 </Tax>
    //             </Reference>
    //             <Reference>
    //                 <FiscalDocument IsOldDocument="false">CV1200520123456789000112345678901112345678903</FiscalDocument>
    //                 <PaymentAmount>98765</PaymentAmount>
    //                 <Tax TaxTypeCode="IVA">
    //                     <TaxPercentage>15</TaxPercentage>
    //                 </Tax>
    //             </Reference>
    //         </References>
    //         <Payments>
    //             <PaymentDueDate>2021-12-31</PaymentDueDate>
    //             <PaymentTerms>
    //                 <Note>Juros de 12% a partir da data de vencimento</Note>
    //             </PaymentTerms>
    //             <PayeeFinancialAccount>
    //                 <NIB>123456789012345678901</NIB>
    //                 <Name>Nome da Conta 1</Name>
    //             </PayeeFinancialAccount>
    //             <PayeeFinancialAccount>
    //                 <NIB>123456789012345678902</NIB>
    //                 <Name>Nome da Conta 2</Name>
    //             </PayeeFinancialAccount>
    //         </Payments>
    //         <Note>Texto livre</Note>
    //     </Invoice>
    //     <Transmission>
    //         <IssueMode>2</IssueMode>
    //         <TransmitterTaxId CountryCode="CV">123456789</TransmitterTaxId>
    //         <Software>
    //             <Code>EMIPUB</Code>
    //             <Name>DNRE Emissor P�blico</Name>
    //             <Version>Build #53 12-07-2021 14:00:47 CVT - master</Version>
    //         </Software>
    //         <Contingency>
    //             <LedCode>1</LedCode>
    //             <IssueDate>2020-01-01</IssueDate>
    //             <IssueTime>01:02:03</IssueTime>
    //             <ReasonTypeCode>1</ReasonTypeCode>
    //         </Contingency>
    //     </Transmission>
    //     <RepositoryCode>2</RepositoryCode>
    // </Dfe>

    success = TRUE;

    // Create the XML to be signed...

    // Use this online tool to generate code from sample XML: 
    // Generate Code to Create XML

    xmlToSign = CkXmlW_Create();
    CkXmlW_putTag(xmlToSign,L"Dfe");
    CkXmlW_AddAttribute(xmlToSign,L"xmlns",L"urn:cv:efatura:xsd:v1.0");
    CkXmlW_AddAttribute(xmlToSign,L"DocumentTypeCode",L"1");
    CkXmlW_AddAttribute(xmlToSign,L"Id",L"CV2210818123456789000010100000000546735014601");
    CkXmlW_AddAttribute(xmlToSign,L"Version",L"1.0");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|LedCode",L"1");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|Serie",L"SL");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|DocumentNumber",L"5");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|IssueDate",L"2021-08-30");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|IssueTime",L"00:01:00");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|TaxPointDate",L"2021-08-18");
    CkXmlW_UpdateAttrAt(xmlToSign,L"Invoice|EmitterParty|TaxId",TRUE,L"CountryCode",L"CV");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|EmitterParty|TaxId",L"123456789");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|EmitterParty|Name",L"Maria");
    CkXmlW_UpdateAttrAt(xmlToSign,L"Invoice|EmitterParty|Address",TRUE,L"CountryCode",L"CV");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|EmitterParty|Address|State",L"Estado do Emissor");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|EmitterParty|Address|City",L"Cidade do Emissor");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|EmitterParty|Address|Region",L"Regi�o do Emissor");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|EmitterParty|Address|Street",L"Rua do Emissor");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|EmitterParty|Address|StreetDetail",L"Detalhe da rua do Emissor");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|EmitterParty|Address|BuildingName",L"Pr�dio do Emissor");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|EmitterParty|Address|BuildingNumber",L"1");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|EmitterParty|Address|BuildingFloor",L"2");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|EmitterParty|Address|PostalCode",L"7600");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|EmitterParty|Address|AddressDetail",L"Detalhe de endere�o do Emissor");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|EmitterParty|Address|AddressCode",L"CV774999999999999319");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|EmitterParty|Contacts|Telephone",L"1234567");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|EmitterParty|Contacts|Mobilephone",L"1234568");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|EmitterParty|Contacts|Telefax",L"1234569");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|EmitterParty|Contacts|Email",L"somebody@example.com");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|EmitterParty|Contacts|Website",L"emissor.efatura.cv");
    CkXmlW_UpdateAttrAt(xmlToSign,L"Invoice|ReceiverParty|TaxId",TRUE,L"CountryCode",L"CV");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|ReceiverParty|TaxId",L"123456789");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|ReceiverParty|Name",L"Nome do Recetor");
    CkXmlW_UpdateAttrAt(xmlToSign,L"Invoice|ReceiverParty|Address",TRUE,L"CountryCode",L"CV");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|ReceiverParty|Address|State",L"Estado do Recetor");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|ReceiverParty|Address|City",L"Cidade do Recetor");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|ReceiverParty|Address|Region",L"Regi�o do Recetor");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|ReceiverParty|Address|Street",L"Rua do Recetor");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|ReceiverParty|Address|StreetDetail",L"Detalhe da rua do Recetor");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|ReceiverParty|Address|BuildingName",L"Pr�dio do Recetor");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|ReceiverParty|Address|BuildingNumber",L"2");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|ReceiverParty|Address|BuildingFloor",L"3");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|ReceiverParty|Address|PostalCode",L"7601");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|ReceiverParty|Address|AddressDetail",L"Detalhe de endere�o do Recetor");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|ReceiverParty|Address|AddressCode",L"CV774999999999999319");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|ReceiverParty|Contacts|Telephone",L"2234567");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|ReceiverParty|Contacts|Mobilephone",L"2234568");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|ReceiverParty|Contacts|Telefax",L"2234569");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|ReceiverParty|Contacts|Email",L"rector@efatura.cv");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|ReceiverParty|Contacts|Website",L"rector.efatura.cv");
    CkXmlW_UpdateAttrAt(xmlToSign,L"Invoice|Lines|Line",TRUE,L"LineTypeCode",L"N");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|Lines|Line|Id",L"01");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|Lines|Line|OrderLineReference",L"1");
    CkXmlW_UpdateAttrAt(xmlToSign,L"Invoice|Lines|Line|Quantity",TRUE,L"UnitCode",L"EA");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|Lines|Line|Quantity",L"3.15");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|Lines|Line|Price",L"123456");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|Lines|Line|PriceExtension",L"388886");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|Lines|Line|Discount",L"15");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|Lines|Line|NetTotal",L"252776");
    CkXmlW_UpdateAttrAt(xmlToSign,L"Invoice|Lines|Line|Tax",TRUE,L"TaxTypeCode",L"IVA");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|Lines|Line|Tax|TaxPercentage",L"15");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|Lines|Line|Item|Description",L"Telem�vel");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|Lines|Line|Item|Name",L"Telem�vel");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|Lines|Line|Item|BrandName",L"Apple");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|Lines|Line|Item|ModelName",L"iPhone X");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|Lines|Line|Item|EmitterIdentification",L"TLMV");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|Lines|Line|Item|StandardIdentification|GTIN",L"12345");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|Lines|Line|Item|HazardousRiskIndicator",L"false");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|Totals|PriceExtensionTotalAmount",L"388886");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|Totals|ChargeTotalAmount",L"0");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|Totals|DiscountTotalAmount",L"136110");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|Totals|NetTotalAmount",L"252776");
    CkXmlW_UpdateAttrAt(xmlToSign,L"Invoice|Totals|Discount",TRUE,L"ValueType",L"P");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|Totals|Discount",L"20");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|Totals|TaxTotalAmount",L"37916");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|Totals|PayableAmount",L"290692");
    CkXmlW_UpdateAttrAt(xmlToSign,L"Invoice|References|Reference|FiscalDocument",TRUE,L"IsOldDocument",L"false");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|References|Reference|FiscalDocument",L"CV1200520123456789000112345678901112345678901");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|References|Reference|PaymentAmount",L"12345");
    CkXmlW_UpdateAttrAt(xmlToSign,L"Invoice|References|Reference|Tax",TRUE,L"TaxTypeCode",L"IR");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|References|Reference|Tax|TaxPercentage",L"10");
    CkXmlW_UpdateAttrAt(xmlToSign,L"Invoice|References|Reference[1]|FiscalDocument",TRUE,L"IsOldDocument",L"false");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|References|Reference[1]|FiscalDocument",L"CV1200520123456789000112345678901112345678903");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|References|Reference[1]|PaymentAmount",L"98765");
    CkXmlW_UpdateAttrAt(xmlToSign,L"Invoice|References|Reference[1]|Tax",TRUE,L"TaxTypeCode",L"IVA");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|References|Reference[1]|Tax|TaxPercentage",L"15");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|Payments|PaymentDueDate",L"2021-12-31");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|Payments|PaymentTerms|Note",L"Juros de 12% a partir da data de vencimento");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|Payments|PayeeFinancialAccount|NIB",L"123456789012345678901");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|Payments|PayeeFinancialAccount|Name",L"Nome da Conta 1");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|Payments|PayeeFinancialAccount[1]|NIB",L"123456789012345678902");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|Payments|PayeeFinancialAccount[1]|Name",L"Nome da Conta 2");
    CkXmlW_UpdateChildContent(xmlToSign,L"Invoice|Note",L"Texto livre");
    CkXmlW_UpdateChildContent(xmlToSign,L"Transmission|IssueMode",L"2");
    CkXmlW_UpdateAttrAt(xmlToSign,L"Transmission|TransmitterTaxId",TRUE,L"CountryCode",L"CV");
    CkXmlW_UpdateChildContent(xmlToSign,L"Transmission|TransmitterTaxId",L"123456789");
    CkXmlW_UpdateChildContent(xmlToSign,L"Transmission|Software|Code",L"EMIPUB");
    CkXmlW_UpdateChildContent(xmlToSign,L"Transmission|Software|Name",L"DNRE Emissor P�blico");
    CkXmlW_UpdateChildContent(xmlToSign,L"Transmission|Software|Version",L"Build #53 12-07-2021 14:00:47 CVT - master");
    CkXmlW_UpdateChildContent(xmlToSign,L"Transmission|Contingency|LedCode",L"1");
    CkXmlW_UpdateChildContent(xmlToSign,L"Transmission|Contingency|IssueDate",L"2020-01-01");
    CkXmlW_UpdateChildContent(xmlToSign,L"Transmission|Contingency|IssueTime",L"01:02:03");
    CkXmlW_UpdateChildContent(xmlToSign,L"Transmission|Contingency|ReasonTypeCode",L"1");
    CkXmlW_UpdateChildContent(xmlToSign,L"RepositoryCode",L"2");

    gen = CkXmlDSigGenW_Create();

    CkXmlDSigGenW_putSigLocation(gen,L"Dfe");
    CkXmlDSigGenW_putSigLocationMod(gen,0);
    CkXmlDSigGenW_putSigId(gen,L"xmldsig-cbd86598-e75e-4ae4-9a27-3b4ee2a789ac");
    CkXmlDSigGenW_putSigNamespacePrefix(gen,L"ds");
    CkXmlDSigGenW_putSigNamespaceUri(gen,L"http://www.w3.org/2000/09/xmldsig#");
    CkXmlDSigGenW_putSigValueId(gen,L"xmldsig-cbd86598-e75e-4ae4-9a27-3b4ee2a789ac-sigvalue");
    CkXmlDSigGenW_putSignedInfoCanonAlg(gen,L"C14N");
    CkXmlDSigGenW_putSignedInfoDigestMethod(gen,L"sha256");

    // Set the KeyInfoId before adding references..
    CkXmlDSigGenW_putKeyInfoId(gen,L"xmldsig-cbd86598-e75e-4ae4-9a27-3b4ee2a789ac-keyinfo");

    // Create an Object to be added to the Signature.
    object1 = CkXmlW_Create();
    CkXmlW_putTag(object1,L"xades:QualifyingProperties");
    CkXmlW_AddAttribute(object1,L"xmlns:xades",L"http://uri.etsi.org/01903/v1.3.2#");
    CkXmlW_AddAttribute(object1,L"xmlns:xades141",L"http://uri.etsi.org/01903/v1.4.1#");
    CkXmlW_AddAttribute(object1,L"Target",L"#xmldsig-cbd86598-e75e-4ae4-9a27-3b4ee2a789ac");
    CkXmlW_UpdateAttrAt(object1,L"xades:SignedProperties",TRUE,L"Id",L"xmldsig-cbd86598-e75e-4ae4-9a27-3b4ee2a789ac-signedprops");
    CkXmlW_UpdateChildContent(object1,L"xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningTime",L"TO BE GENERATED BY CHILKAT");
    CkXmlW_UpdateAttrAt(object1,L"xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificateV2|xades:Cert|xades:CertDigest|ds:DigestMethod",TRUE,L"Algorithm",L"http://www.w3.org/2001/04/xmlenc#sha256");
    CkXmlW_UpdateChildContent(object1,L"xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificateV2|xades:Cert|xades:CertDigest|ds:DigestValue",L"TO BE GENERATED BY CHILKAT");
    CkXmlW_UpdateChildContent(object1,L"xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificateV2|xades:Cert|xades:IssuerSerialV2",L"TO BE GENERATED BY CHILKAT");
    CkXmlW_UpdateAttrAt(object1,L"xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat",TRUE,L"ObjectReference",L"#xmldsig-cbd86598-e75e-4ae4-9a27-3b4ee2a789ac-ref0");
    CkXmlW_UpdateChildContent(object1,L"xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:Description",L"DFE Signature");
    CkXmlW_UpdateChildContent(object1,L"xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:ObjectIdentifier|xades:Identifier",L"efatura-uri");
    CkXmlW_UpdateChildContent(object1,L"xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:ObjectIdentifier|xades:DocumentationReferences|xades:DocumentationReference",L"https://efatura.cv");
    CkXmlW_UpdateChildContent(object1,L"xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:MimeType",L"text/xml");
    CkXmlW_UpdateChildContent(object1,L"xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:Encoding",L"UTF-8");
    CkXmlW_UpdateChildContent(object1,L"xades:SignedProperties|xades:SignedDataObjectProperties|xades:CommitmentTypeIndication|xades:CommitmentTypeId|xades:Identifier",L"http://uri.etsi.org/01903/v1.2.2#ProofOfApproval");
    CkXmlW_UpdateChildContent(object1,L"xades:SignedProperties|xades:SignedDataObjectProperties|xades:CommitmentTypeIndication|xades:CommitmentTypeId|xades:Description",L"Indicates that the signer has approved the content of the signed data object");
    CkXmlW_UpdateChildContent(object1,L"xades:SignedProperties|xades:SignedDataObjectProperties|xades:CommitmentTypeIndication|xades:AllSignedDataObjects",L"");
    CkXmlW_UpdateChildContent(object1,L"xades:SignedProperties|xades:SignedDataObjectProperties|xades:CommitmentTypeIndication[1]|xades:CommitmentTypeId|xades:Identifier",L"http://uri.etsi.org/01903/v1.2.2#ProofOfOrigin");
    CkXmlW_UpdateChildContent(object1,L"xades:SignedProperties|xades:SignedDataObjectProperties|xades:CommitmentTypeIndication[1]|xades:CommitmentTypeId|xades:Description",L"Indicates that the signer recognizes to have created, approved and sent the signed data object");
    CkXmlW_UpdateChildContent(object1,L"xades:SignedProperties|xades:SignedDataObjectProperties|xades:CommitmentTypeIndication[1]|xades:ObjectReference",L"#xmldsig-cbd86598-e75e-4ae4-9a27-3b4ee2a789ac-ref0");
    CkXmlW_UpdateChildContent(object1,L"xades:SignedProperties|xades:SignedDataObjectProperties|xades:CommitmentTypeIndication[1]|xades:CommitmentTypeQualifiers|xades:CommitmentTypeQualifier",L"CV-FE-123456789");

    CkXmlDSigGenW_AddObject(gen,L"",CkXmlW_getXml(object1),L"",L"");

    // -------- Reference 1 --------
    CkXmlDSigGenW_AddSameDocRef(gen,L"CV2210818123456789000010100000000546735014601",L"sha256",L"",L"",L"");
    CkXmlDSigGenW_SetRefIdAttr(gen,L"CV2210818123456789000010100000000546735014601",L"xmldsig-cbd86598-e75e-4ae4-9a27-3b4ee2a789ac-ref0");

    // -------- Reference 2 --------
    CkXmlDSigGenW_AddSameDocRef(gen,L"xmldsig-cbd86598-e75e-4ae4-9a27-3b4ee2a789ac-keyinfo",L"sha256",L"C14N",L"",L"");

    // -------- Reference 3 --------
    CkXmlDSigGenW_AddObjectRef(gen,L"xmldsig-cbd86598-e75e-4ae4-9a27-3b4ee2a789ac-signedprops",L"sha256",L"C14N",L"",L"http://uri.etsi.org/01903#SignedProperties");

    // Provide a certificate + private key. (PFX password is test123)
    cert = CkCertW_Create();
    success = CkCertW_LoadPfxFile(cert,L"qa_data/pfx/cert_test123.pfx",L"test123");
    if (success != TRUE) {
        wprintf(L"%s\n",CkCertW_lastErrorText(cert));
        CkXmlW_Dispose(xmlToSign);
        CkXmlDSigGenW_Dispose(gen);
        CkXmlW_Dispose(object1);
        CkCertW_Dispose(cert);
        return;
    }

    CkXmlDSigGenW_SetX509Cert(gen,cert,TRUE);

    CkXmlDSigGenW_putKeyInfoType(gen,L"X509Data");
    CkXmlDSigGenW_putX509Type(gen,L"IssuerSerial,SubjectName,Certificate");

    // Load XML to be signed...
    sbXml = CkStringBuilderW_Create();
    CkXmlW_GetXmlSb(xmlToSign,sbXml);

    // Note: The last keyword (Base64Cr13Entity) requires Chilkat v9.5.0.89 or later.
    CkXmlDSigGenW_putBehaviors(gen,L"IndentedSignature,Base64Cr13Entity,ForceAddEnvelopedSignatureTransform,Base64Cr13Entity");

    // Sign the XML...
    success = CkXmlDSigGenW_CreateXmlDSigSb(gen,sbXml);
    if (success != TRUE) {
        wprintf(L"%s\n",CkXmlDSigGenW_lastErrorText(gen));
        CkXmlW_Dispose(xmlToSign);
        CkXmlDSigGenW_Dispose(gen);
        CkXmlW_Dispose(object1);
        CkCertW_Dispose(cert);
        CkStringBuilderW_Dispose(sbXml);
        return;
    }

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

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

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

    // ----------------------------------------
    // Verify the signatures we just produced...
    verifier = CkXmlDSigW_Create();
    success = CkXmlDSigW_LoadSignatureSb(verifier,sbXml);
    if (success != TRUE) {
        wprintf(L"%s\n",CkXmlDSigW_lastErrorText(verifier));
        CkXmlW_Dispose(xmlToSign);
        CkXmlDSigGenW_Dispose(gen);
        CkXmlW_Dispose(object1);
        CkCertW_Dispose(cert);
        CkStringBuilderW_Dispose(sbXml);
        CkXmlDSigW_Dispose(verifier);
        return;
    }

    numSigs = CkXmlDSigW_getNumSignatures(verifier);
    verifyIdx = 0;
    while (verifyIdx < numSigs) {
        CkXmlDSigW_putSelector(verifier,verifyIdx);
        verified = CkXmlDSigW_VerifySignature(verifier,TRUE);
        if (verified != TRUE) {
            wprintf(L"%s\n",CkXmlDSigW_lastErrorText(verifier));
            CkXmlW_Dispose(xmlToSign);
            CkXmlDSigGenW_Dispose(gen);
            CkXmlW_Dispose(object1);
            CkCertW_Dispose(cert);
            CkStringBuilderW_Dispose(sbXml);
            CkXmlDSigW_Dispose(verifier);
            return;
        }

        verifyIdx = verifyIdx + 1;
    }

    wprintf(L"All signatures were successfully verified.\n");


    CkXmlW_Dispose(xmlToSign);
    CkXmlDSigGenW_Dispose(gen);
    CkXmlW_Dispose(object1);
    CkCertW_Dispose(cert);
    CkStringBuilderW_Dispose(sbXml);
    CkXmlDSigW_Dispose(verifier);

    }
 

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