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(Ruby) 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 Ruby Downloads

install from rubygems.org

gem install chilkat

or download... Ruby Library for Windows, MacOS, Linux, Alpine Linux

require 'chilkat'

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

gen = Chilkat::CkXmlDSigGen.new()

gen.put_SigLocation("Dfe")
gen.put_SigLocationMod(0)
gen.put_SigId("xmldsig-cbd86598-e75e-4ae4-9a27-3b4ee2a789ac")
gen.put_SigNamespacePrefix("ds")
gen.put_SigNamespaceUri("http://www.w3.org/2000/09/xmldsig#")
gen.put_SigValueId("xmldsig-cbd86598-e75e-4ae4-9a27-3b4ee2a789ac-sigvalue")
gen.put_SignedInfoCanonAlg("C14N")
gen.put_SignedInfoDigestMethod("sha256")

# Set the KeyInfoId before adding references..
gen.put_KeyInfoId("xmldsig-cbd86598-e75e-4ae4-9a27-3b4ee2a789ac-keyinfo")

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

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

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

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

# -------- Reference 3 --------
gen.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)
cert = Chilkat::CkCert.new()
success = cert.LoadPfxFile("qa_data/pfx/cert_test123.pfx","test123")
if (success != true)
    print cert.lastErrorText() + "\n";
    exit
end

gen.SetX509Cert(cert,true)

gen.put_KeyInfoType("X509Data")
gen.put_X509Type("IssuerSerial,SubjectName,Certificate")

# Load XML to be signed...
sbXml = Chilkat::CkStringBuilder.new()
xmlToSign.GetXmlSb(sbXml)

# Note: The last keyword (Base64Cr13Entity) requires Chilkat v9.5.0.89 or later.
gen.put_Behaviors("IndentedSignature,Base64Cr13Entity,ForceAddEnvelopedSignatureTransform,Base64Cr13Entity")

# Sign the XML...
success = gen.CreateXmlDSigSb(sbXml)
if (success != true)
    print gen.lastErrorText() + "\n";
    exit
end

# -----------------------------------------------

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

print sbXml.getAsString() + "\n";

# ----------------------------------------
# Verify the signatures we just produced...
verifier = Chilkat::CkXmlDSig.new()
success = verifier.LoadSignatureSb(sbXml)
if (success != true)
    print verifier.lastErrorText() + "\n";
    exit
end

numSigs = verifier.get_NumSignatures()
verifyIdx = 0
while verifyIdx < numSigs
    verifier.put_Selector(verifyIdx)
    verified = verifier.VerifySignature(true)
    if (verified != true)
        print verifier.lastErrorText() + "\n";
        exit
    end

    verifyIdx = verifyIdx + 1
end
print "All signatures were successfully verified." + "\n";
 

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