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(Lianja) 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 Lianja Extension Download

Chilkat Lianja Extension

// 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>

llSuccess = .T.

// Create the XML to be signed...

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

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

loGen = createobject("CkXmlDSigGen")

loGen.SigLocation = "Dfe"
loGen.SigLocationMod = 0
loGen.SigId = "xmldsig-cbd86598-e75e-4ae4-9a27-3b4ee2a789ac"
loGen.SigNamespacePrefix = "ds"
loGen.SigNamespaceUri = "http://www.w3.org/2000/09/xmldsig#"
loGen.SigValueId = "xmldsig-cbd86598-e75e-4ae4-9a27-3b4ee2a789ac-sigvalue"
loGen.SignedInfoCanonAlg = "C14N"
loGen.SignedInfoDigestMethod = "sha256"

// Set the KeyInfoId before adding references..
loGen.KeyInfoId = "xmldsig-cbd86598-e75e-4ae4-9a27-3b4ee2a789ac-keyinfo"

// Create an Object to be added to the Signature.
loObject1 = createobject("CkXml")
loObject1.Tag = "xades:QualifyingProperties"
loObject1.AddAttribute("xmlns:xades","http://uri.etsi.org/01903/v1.3.2#")
loObject1.AddAttribute("xmlns:xades141","http://uri.etsi.org/01903/v1.4.1#")
loObject1.AddAttribute("Target","#xmldsig-cbd86598-e75e-4ae4-9a27-3b4ee2a789ac")
loObject1.UpdateAttrAt("xades:SignedProperties",.T.,"Id","xmldsig-cbd86598-e75e-4ae4-9a27-3b4ee2a789ac-signedprops")
loObject1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningTime","TO BE GENERATED BY CHILKAT")
loObject1.UpdateAttrAt("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificateV2|xades:Cert|xades:CertDigest|ds:DigestMethod",.T.,"Algorithm","http://www.w3.org/2001/04/xmlenc#sha256")
loObject1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificateV2|xades:Cert|xades:CertDigest|ds:DigestValue","TO BE GENERATED BY CHILKAT")
loObject1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificateV2|xades:Cert|xades:IssuerSerialV2","TO BE GENERATED BY CHILKAT")
loObject1.UpdateAttrAt("xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat",.T.,"ObjectReference","#xmldsig-cbd86598-e75e-4ae4-9a27-3b4ee2a789ac-ref0")
loObject1.UpdateChildContent("xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:Description","DFE Signature")
loObject1.UpdateChildContent("xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:ObjectIdentifier|xades:Identifier","efatura-uri")
loObject1.UpdateChildContent("xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:ObjectIdentifier|xades:DocumentationReferences|xades:DocumentationReference","https://efatura.cv")
loObject1.UpdateChildContent("xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:MimeType","text/xml")
loObject1.UpdateChildContent("xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:Encoding","UTF-8")
loObject1.UpdateChildContent("xades:SignedProperties|xades:SignedDataObjectProperties|xades:CommitmentTypeIndication|xades:CommitmentTypeId|xades:Identifier","http://uri.etsi.org/01903/v1.2.2#ProofOfApproval")
loObject1.UpdateChildContent("xades:SignedProperties|xades:SignedDataObjectProperties|xades:CommitmentTypeIndication|xades:CommitmentTypeId|xades:Description","Indicates that the signer has approved the content of the signed data object")
loObject1.UpdateChildContent("xades:SignedProperties|xades:SignedDataObjectProperties|xades:CommitmentTypeIndication|xades:AllSignedDataObjects","")
loObject1.UpdateChildContent("xades:SignedProperties|xades:SignedDataObjectProperties|xades:CommitmentTypeIndication[1]|xades:CommitmentTypeId|xades:Identifier","http://uri.etsi.org/01903/v1.2.2#ProofOfOrigin")
loObject1.UpdateChildContent("xades:SignedProperties|xades:SignedDataObjectProperties|xades:CommitmentTypeIndication[1]|xades:CommitmentTypeId|xades:Description","Indicates that the signer recognizes to have created, approved and sent the signed data object")
loObject1.UpdateChildContent("xades:SignedProperties|xades:SignedDataObjectProperties|xades:CommitmentTypeIndication[1]|xades:ObjectReference","#xmldsig-cbd86598-e75e-4ae4-9a27-3b4ee2a789ac-ref0")
loObject1.UpdateChildContent("xades:SignedProperties|xades:SignedDataObjectProperties|xades:CommitmentTypeIndication[1]|xades:CommitmentTypeQualifiers|xades:CommitmentTypeQualifier","CV-FE-123456789")

loGen.AddObject("",loObject1.GetXml(),"","")

// -------- Reference 1 --------
loGen.AddSameDocRef("CV2210818123456789000010100000000546735014601","sha256","","","")
loGen.SetRefIdAttr("CV2210818123456789000010100000000546735014601","xmldsig-cbd86598-e75e-4ae4-9a27-3b4ee2a789ac-ref0")

// -------- Reference 2 --------
loGen.AddSameDocRef("xmldsig-cbd86598-e75e-4ae4-9a27-3b4ee2a789ac-keyinfo","sha256","C14N","","")

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

// Provide a certificate + private key. (PFX password is test123)
loCert = createobject("CkCert")
llSuccess = loCert.LoadPfxFile("qa_data/pfx/cert_test123.pfx","test123")
if (llSuccess <> .T.) then
    ? loCert.LastErrorText
    release loXmlToSign
    release loGen
    release loObject1
    release loCert
    return
endif

loGen.SetX509Cert(loCert,.T.)

loGen.KeyInfoType = "X509Data"
loGen.X509Type = "IssuerSerial,SubjectName,Certificate"

// Load XML to be signed...
loSbXml = createobject("CkStringBuilder")
loXmlToSign.GetXmlSb(loSbXml)

// Note: The last keyword (Base64Cr13Entity) requires Chilkat v9.5.0.89 or later.
loGen.Behaviors = "IndentedSignature,Base64Cr13Entity,ForceAddEnvelopedSignatureTransform,Base64Cr13Entity"

// Sign the XML...
llSuccess = loGen.CreateXmlDSigSb(loSbXml)
if (llSuccess <> .T.) then
    ? loGen.LastErrorText
    release loXmlToSign
    release loGen
    release loObject1
    release loCert
    release loSbXml
    return
endif

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

// Save the signed XML to a file.
llSuccess = loSbXml.WriteFile("qa_output/signedXml.xml","utf-8",.F.)

? loSbXml.GetAsString()

// ----------------------------------------
// Verify the signatures we just produced...
loVerifier = createobject("CkXmlDSig")
llSuccess = loVerifier.LoadSignatureSb(loSbXml)
if (llSuccess <> .T.) then
    ? loVerifier.LastErrorText
    release loXmlToSign
    release loGen
    release loObject1
    release loCert
    release loSbXml
    release loVerifier
    return
endif

lnNumSigs = loVerifier.NumSignatures
lnVerifyIdx = 0
do while lnVerifyIdx < lnNumSigs
    loVerifier.Selector = lnVerifyIdx
    llVerified = loVerifier.VerifySignature(.T.)
    if (llVerified <> .T.) then
        ? loVerifier.LastErrorText
        release loXmlToSign
        release loGen
        release loObject1
        release loCert
        release loSbXml
        release loVerifier
        return
    endif

    lnVerifyIdx = lnVerifyIdx + 1
enddo
? "All signatures were successfully verified."


release loXmlToSign
release loGen
release loObject1
release loCert
release loSbXml
release loVerifier
 

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