Ajuda assinar xml xades-bes hash 256 C#

carlostpaiva · 21 de Julho de 2022

Bom dia
Meu caro Senhores, preciso assinar um xml com cumprir com o padrão XMLDSig, deve cumprir também com o padrão XAdES-BES. em c#, neste formato
envio um exemplo
Por favor preciso urgente ja tentei de varias maneiras so que da erro de reference mal formatado

Código:

 XmlDocument doc = new XmlDocument();
                
            doc.PreserveWhitespace = false;
            doc.Load(UID);
            XmlElement df = doc.DocumentElement;


            const string signedPropsIdSuffix = "-signedprops";

            var signedXml = new SignedXml(doc)
            {
                SigningKey = cert.GetRSAPrivateKey()
            };
            signedXml.SignedInfo.CanonicalizationMethod = "http://www.w3.org/2001/10/xml-exc-c14n#";
            signedXml.SignedInfo.SignatureMethod = "http://www.w3.org/2001/04/xmldsig-more#rsa-sha256";

            var idKeyInfo = "xmldsig-" + Guid.NewGuid();
            var idKeyInfoProps = "xmldsig-" + Guid.NewGuid() + signedPropsIdSuffix;
            var idterceiro = "#xmldsig-" + Guid.NewGuid() + "-keyinfo";

            #region keyinfo

            var keyInfo = new KeyInfo();
            var keydata = new KeyInfoX509Data(cert, X509IncludeOption.None);
            keydata.AddIssuerSerial(cert.Issuer, cert.SerialNumber);
            keyInfo.AddClause(keydata);
            keyInfo.Id = idKeyInfo;
            signedXml.KeyInfo = keyInfo;

            #endregion keyinfo

            #region References

            //var transform = new XmlDsigEnvelopedSignatureTransform() { Algorithm = "http://www.w3.org/2001/10/xml-exc-c14n#" };
            var transform = new XmlDsigExcC14NTransform();
            var references = new List<Reference>();

            // first reference
            var keyInfoReference = new Reference();
            keyInfoReference.Id = "xmldsig-" + Guid.NewGuid();
            keyInfoReference.Uri = "#" + df.GetAttribute("Id");
            keyInfoReference.DigestMethod = "http://www.w3.org/2001/04/xmlenc#sha256";
            keyInfoReference.AddTransform(transform);
            references.Add(keyInfoReference);

            //second reference

            var keyInfoReference2 = new Reference();           
            keyInfoReference2.Uri = "#xmldsig-" + Guid.NewGuid();
            keyInfoReference2.DigestMethod = "http://www.w3.org/2001/04/xmlenc#sha256";
            keyInfoReference2.AddTransform(transform);
            references.Add(keyInfoReference2);

            //third reference
            var signaturePropertiesReference = new Reference();
            signaturePropertiesReference.Type = "http://uri.etsi.org/01903/v1.3.2#SignedProperties";
            signaturePropertiesReference.Uri = "#" + idKeyInfoProps;
            signaturePropertiesReference.DigestMethod = "http://www.w3.org/2001/04/xmlenc#sha256";
            signaturePropertiesReference.AddTransform(transform);
            references.Add(signaturePropertiesReference);

           

            foreach (Reference reference in references)
            {
                signedXml.AddReference(reference);
            }

            #endregion

            #region 4. Set up <ds:Object> with <QualifiyingProperties> inside that includes SigningTime

            var URI = "http://uri.etsi.org/01903/v1.3.2#";
            XmlElement qualifyingPropertiesRoot = doc.CreateElement("xades", "QualifyingProperties", URI);

            XmlElement signaturePropertiesRoot = doc.CreateElement("xades", "SignedProperties", URI);
            signaturePropertiesRoot.SetAttribute("Id", idKeyInfoProps);

            XmlElement SignedSignatureProperties = doc.CreateElement("xades", "SignedSignatureProperties", URI);
            XmlElement timestamp = doc.CreateElement("xades", "SigningTime", URI);
            timestamp.InnerText = DateTime.Now.ToString("yyyy-MM-ddTHH:mm:sszzz");    // primero de la lista

            signaturePropertiesRoot.AppendChild(SignedSignatureProperties);
            SignedSignatureProperties.AppendChild(timestamp);
            qualifyingPropertiesRoot.AppendChild(signaturePropertiesRoot);

            var qualifyingPropertiesObject = new System.Security.Cryptography.Xml.DataObject
            {
                Data = qualifyingPropertiesRoot.SelectNodes("."),
                //Id = idKeyInfoProps
            };

            signedXml.AddObject(qualifyingPropertiesObject);
            #endregion

            SignedXml tmp = new SignedXml(doc)
            {
                SigningKey = signedXml.SigningKey,
                KeyInfo = signedXml.KeyInfo,
            };

            foreach (System.Security.Cryptography.Xml.DataObject obj in signedXml.Signature.ObjectList)
            {
                tmp.AddObject(obj);
            }

            tmp.AddReference(new Reference(""));
            tmp.ComputeSignature();

            XmlTextWriter prettyOut = new XmlTextWriter(System.Console.Out);
            prettyOut.Formatting = System.Xml.Formatting.Indented;

          
            doc.WriteTo(prettyOut);
           

            XmlElement elem = tmp.GetXml();
            doc.DocumentElement.AppendChild(elem);
          
            doc.WriteTo(prettyOut);
           

            signedXml.ComputeSignature();
            doc.DocumentElement.RemoveChild(elem);
            doc.DocumentElement.AppendChild(signedXml.GetXml());
          
           
            doc.Save(UID);

xml assinado como este
<?xml version="1.0" encoding="UTF-8"?>
<Dfe xmlns="urn:cv:efatura:xsd:v1.0" DocumentTypeCode="01" Id="CV3220712253095794000010100000013109784241060" Version="1.0">
  <Invoice>
    <LedCode>1</LedCode>
    <Serie>0</Serie>
    <DocumentNumber>131</DocumentNumber>
    <IssueDate>2022-07-12</IssueDate>
    <IssueTime>10:27:29</IssueTime>
    <TaxPointDate>2022-07-12</TaxPointDate>
    <EmitterParty>
      <TaxId CountryCode="CV">253095794</TaxId>
      <Name>Economia e Gestao, Lda.</Name>
      <Address CountryCode="CV">
        <AddressDetail> S. Nicolau 5300003</AddressDetail>
        <AddressCode>CV774741741037410319</AddressCode>
      </Address>
      <Contacts>
        <Telefax>2635652</Telefax>
        <Email>[email protected]</Email>
      </Contacts>
    </EmitterParty>
    <ReceiverParty>
      <TaxId CountryCode="CV">253309859</TaxId>
      <Name>DANI</Name>
      <Address CountryCode="CV">
        <AddressDetail>PLATO</AddressDetail>
        <AddressCode>CV774741741037410321</AddressCode>
      </Address>
      <Contacts>
        <Telephone>2613990</Telephone>
        <Telefax>2613990</Telefax>
        <Email>[email protected]</Email>
      </Contacts>
    </ReceiverParty>
    <Lines>
      <Line LineTypeCode="N">
        <Quantity UnitCode="EA">1</Quantity>
        <Price>20000</Price>
        <PriceExtension>20000</PriceExtension>
        <NetTotal>20000</NetTotal>
        <Tax TaxTypeCode="IVA">
          <TaxPercentage>15</TaxPercentage>
        </Tax>
        <Item>
          <Description>CONTABILIDADE E ACESSORIA FISCAL</Description>
          <EmitterIdentification>ServiçosConta</EmitterIdentification>
        </Item>
      </Line>
    </Lines>
    <Totals>
      <PriceExtensionTotalAmount>20000</PriceExtensionTotalAmount>
      <ChargeTotalAmount>0</ChargeTotalAmount>
      <DiscountTotalAmount>0</DiscountTotalAmount>
      <NetTotalAmount>20000</NetTotalAmount>
      <TaxTotalAmount>3000</TaxTotalAmount>
      <PayableAmount>23000</PayableAmount>
    </Totals>
    <Payments>
      <PaymentDueDate>2022-07-11</PaymentDueDate>
      <PaymentTerms>
        <Note>O valor a ser Pago como:</Note>
      </PaymentTerms>
    </Payments>
  </Invoice>
  <Transmission>
    <IssueMode>2</IssueMode>
    <TransmitterTaxId CountryCode="CV">253095794</TransmitterTaxId>
    <Software>
      <Code>GESTCLI</Code>
      <Name>Gest Client</Name>
      <Version>1.0.0.0</Version>
    </Software>
    <Contingency>
      <IssueDate>2022-07-12</IssueDate>
      <IssueTime>10:27:30</IssueTime>
      <ReasonTypeCode>3</ReasonTypeCode>
    </Contingency>
  </Transmission>
  <RepositoryCode>3</RepositoryCode>
<ds:Signature xmlns:ds="http://www.w3.org/2000/09/xmldsig#" Id="xmldsig-f1b6eecc-42fd-47f1-b640-d9a2a007785a">
<ds:SignedInfo>
<ds:CanonicalizationMethod Algorithm="http://www.w3.org/TR/2001/REC-xml-c14n-20010315"></ds:CanonicalizationMethod>
<ds:SignatureMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#rsa-sha256"></ds:SignatureMethod>
<ds:Reference Id="xmldsig-f1b6eecc-42fd-47f1-b640-d9a2a007785a-ref0" URI="#CV3220712253095794000010100000013109784241060">
<ds:Transforms>
<ds:Transform Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped-signature"></ds:Transform>
<ds:Transform Algorithm="http://www.w3.org/TR/2001/REC-xml-c14n-20010315"></ds:Transform>
</ds:Transforms>
<ds:DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></ds:DigestMethod>
<ds:DigestValue>PXYHSI2eUW2CUjsDi6tzHHlnd2ZimyXm0Xu88oZ2RgU=</ds:DigestValue>
</ds:Reference>
<ds:Reference URI="#xmldsig-f1b6eecc-42fd-47f1-b640-d9a2a007785a-keyinfo">
<ds:Transforms>
<ds:Transform Algorithm="http://www.w3.org/TR/2001/REC-xml-c14n-20010315"></ds:Transform>
</ds:Transforms>
<ds:DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></ds:DigestMethod>
<ds:DigestValue>Dmkj+lvf0XAAiQs0IrVoSnwbSyuuTK9pY8ZFUBj0s3I=</ds:DigestValue>
</ds:Reference>
<ds:Reference Type="http://uri.etsi.org/01903#SignedProperties" URI="#xmldsig-f1b6eecc-42fd-47f1-b640-d9a2a007785a-signedprops">
<ds:Transforms>
<ds:Transform Algorithm="http://www.w3.org/TR/2001/REC-xml-c14n-20010315"></ds:Transform>
</ds:Transforms>
<ds:DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></ds:DigestMethod>
<ds:DigestValue>u79XW0/MWp/wga8zbP2bxzttVqdp1loib9rdlG9UawU=</ds:DigestValue>
</ds:Reference>
</ds:SignedInfo>
<ds:SignatureValue Id="xmldsig-f1b6eecc-42fd-47f1-b640-d9a2a007785a-sigvalue">
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</ds:SignatureValue>
<ds:KeyInfo xmlns:ds="http://www.w3.org/2000/09/xmldsig#" Id="xmldsig-f1b6eecc-42fd-47f1-b640-d9a2a007785a-keyinfo">
<ds:X509Data>
<ds:X509Certificate>
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</ds:X509Certificate>
<ds:X509IssuerSerial>
<ds:X509IssuerName>cn=TesteSispCA</ds:X509IssuerName>
<ds:X509SerialNumber>6914550136583706561</ds:X509SerialNumber>
</ds:X509IssuerSerial>
<ds:X509SubjectName>c=CV,o=Economia E Gestao Sociedade Unipessoal,2.5.4.97=CV-253095794,ou=Fatura Eletronica,cn=AB,1.2.840.113549.1.9.1</ds:X509SubjectName>
</ds:X509Data>
</ds:KeyInfo>
<ds:Object><xades:QualifyingProperties xmlns:xades="http://uri.etsi.org/01903/v1.3.2#" xmlns:xades141="http://uri.etsi.org/01903/v1.4.1#" Target="#xmldsig-f1b6eecc-42fd-47f1-b640-d9a2a007785a"><xades:SignedProperties Id="xmldsig-f1b6eecc-42fd-47f1-b640-d9a2a007785a-signedprops"><xades:SignedSignatureProperties><xades:SigningTime>2022-07-12T11:29:15.545-01:00</xades:SigningTime><xades:SigningCertificate><xades:Cert><xades:CertDigest><ds:DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></ds:DigestMethod><ds:DigestValue>6/OH7zBR7dT/W6fwYi/WR58ld3jabGYQOKSPpwOuxF0=</ds:DigestValue></xades:CertDigest><xades:IssuerSerial><ds:X509IssuerName>cn=TesteSispCA</ds:X509IssuerName><ds:X509SerialNumber>6914550136583706561</ds:X509SerialNumber></xades:IssuerSerial></xades:Cert></xades:SigningCertificate></xades:SignedSignatureProperties></xades:SignedProperties><xades:UnsignedProperties><xades:UnsignedSignatureProperties><xades:SignatureTimeStamp><ds:CanonicalizationMethod Algorithm="http://www.w3.org/TR/2001/REC-xml-c14n-20010315"></ds:CanonicalizationMethod><xades:EncapsulatedTimeStamp>MIIVZQYJKoZIhvcNAQcCoIIVVjCCFVICAQMxDzANBglghkgBZQMEAgEFADCB8AYLKoZIhvcNAQkQ
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w2ucLAPygE1v</xades:EncapsulatedTimeStamp></xades:SignatureTimeStamp></xades:UnsignedSignatureProperties></xades:UnsignedProperties></xades:QualifyingProperties></ds:Object>
</ds:Signature></Dfe>

fabiog123 · 14 de Setembro de 2022

Olá
Encontrou solução?

Kiian · 15 de Setembro de 2022

Está a fazer o E-Fatura de Cabo Verde? Eu tinha implementado uma versão disto em Python. Acho que os gajos de CV têm um middleware qualquer que trata disto tudo.
De qualquer das formas, dêm uma vista de olhos nisto @fabiog123 @carlostpaiva
https://github.com/giosil/xades

Phantom78 · 2 de Abril de 2024

carlostpaiva disse:

Bom dia
Meu caro Senhores, preciso assinar um xml com cumprir com o padrão XMLDSig, deve cumprir também com o padrão XAdES-BES. em c#, neste formato
envio um exemplo
Por favor preciso urgente ja tentei de varias maneiras so que da erro de reference mal formatado

Código:

 XmlDocument doc = new XmlDocument();
               
            doc.PreserveWhitespace = false;
            doc.Load(UID);
            XmlElement df = doc.DocumentElement;


            const string signedPropsIdSuffix = "-signedprops";

            var signedXml = new SignedXml(doc)
            {
                SigningKey = cert.GetRSAPrivateKey()
            };
            signedXml.SignedInfo.CanonicalizationMethod = "http://www.w3.org/2001/10/xml-exc-c14n#";
            signedXml.SignedInfo.SignatureMethod = "http://www.w3.org/2001/04/xmldsig-more#rsa-sha256";

            var idKeyInfo = "xmldsig-" + Guid.NewGuid();
            var idKeyInfoProps = "xmldsig-" + Guid.NewGuid() + signedPropsIdSuffix;
            var idterceiro = "#xmldsig-" + Guid.NewGuid() + "-keyinfo";

            #region keyinfo

            var keyInfo = new KeyInfo();
            var keydata = new KeyInfoX509Data(cert, X509IncludeOption.None);
            keydata.AddIssuerSerial(cert.Issuer, cert.SerialNumber);
            keyInfo.AddClause(keydata);
            keyInfo.Id = idKeyInfo;
            signedXml.KeyInfo = keyInfo;

            #endregion keyinfo

            #region References

            //var transform = new XmlDsigEnvelopedSignatureTransform() { Algorithm = "http://www.w3.org/2001/10/xml-exc-c14n#" };
            var transform = new XmlDsigExcC14NTransform();
            var references = new List<Reference>();

            // first reference
            var keyInfoReference = new Reference();
            keyInfoReference.Id = "xmldsig-" + Guid.NewGuid();
            keyInfoReference.Uri = "#" + df.GetAttribute("Id");
            keyInfoReference.DigestMethod = "http://www.w3.org/2001/04/xmlenc#sha256";
            keyInfoReference.AddTransform(transform);
            references.Add(keyInfoReference);

            //second reference

            var keyInfoReference2 = new Reference();          
            keyInfoReference2.Uri = "#xmldsig-" + Guid.NewGuid();
            keyInfoReference2.DigestMethod = "http://www.w3.org/2001/04/xmlenc#sha256";
            keyInfoReference2.AddTransform(transform);
            references.Add(keyInfoReference2);

            //third reference
            var signaturePropertiesReference = new Reference();
            signaturePropertiesReference.Type = "http://uri.etsi.org/01903/v1.3.2#SignedProperties";
            signaturePropertiesReference.Uri = "#" + idKeyInfoProps;
            signaturePropertiesReference.DigestMethod = "http://www.w3.org/2001/04/xmlenc#sha256";
            signaturePropertiesReference.AddTransform(transform);
            references.Add(signaturePropertiesReference);

          

            foreach (Reference reference in references)
            {
                signedXml.AddReference(reference);
            }

            #endregion

            #region 4. Set up <ds:Object> with <QualifiyingProperties> inside that includes SigningTime

            var URI = "http://uri.etsi.org/01903/v1.3.2#";
            XmlElement qualifyingPropertiesRoot = doc.CreateElement("xades", "QualifyingProperties", URI);

            XmlElement signaturePropertiesRoot = doc.CreateElement("xades", "SignedProperties", URI);
            signaturePropertiesRoot.SetAttribute("Id", idKeyInfoProps);

            XmlElement SignedSignatureProperties = doc.CreateElement("xades", "SignedSignatureProperties", URI);
            XmlElement timestamp = doc.CreateElement("xades", "SigningTime", URI);
            timestamp.InnerText = DateTime.Now.ToString("yyyy-MM-ddTHH:mm:sszzz");    // primero de la lista

            signaturePropertiesRoot.AppendChild(SignedSignatureProperties);
            SignedSignatureProperties.AppendChild(timestamp);
            qualifyingPropertiesRoot.AppendChild(signaturePropertiesRoot);

            var qualifyingPropertiesObject = new System.Security.Cryptography.Xml.DataObject
            {
                Data = qualifyingPropertiesRoot.SelectNodes("."),
                //Id = idKeyInfoProps
            };

            signedXml.AddObject(qualifyingPropertiesObject);
            #endregion

            SignedXml tmp = new SignedXml(doc)
            {
                SigningKey = signedXml.SigningKey,
                KeyInfo = signedXml.KeyInfo,
            };

            foreach (System.Security.Cryptography.Xml.DataObject obj in signedXml.Signature.ObjectList)
            {
                tmp.AddObject(obj);
            }

            tmp.AddReference(new Reference(""));
            tmp.ComputeSignature();

            XmlTextWriter prettyOut = new XmlTextWriter(System.Console.Out);
            prettyOut.Formatting = System.Xml.Formatting.Indented;

         
            doc.WriteTo(prettyOut);
          

            XmlElement elem = tmp.GetXml();
            doc.DocumentElement.AppendChild(elem);
         
            doc.WriteTo(prettyOut);
          

            signedXml.ComputeSignature();
            doc.DocumentElement.RemoveChild(elem);
            doc.DocumentElement.AppendChild(signedXml.GetXml());
         
          
            doc.Save(UID);

xml assinado como este
<?xml version="1.0" encoding="UTF-8"?>
<Dfe xmlns="urn:cv:efatura:xsd:v1.0" DocumentTypeCode="01" Id="CV3220712253095794000010100000013109784241060" Version="1.0">
  <Invoice>
    <LedCode>1</LedCode>
    <Serie>0</Serie>
    <DocumentNumber>131</DocumentNumber>
    <IssueDate>2022-07-12</IssueDate>
    <IssueTime>10:27:29</IssueTime>
    <TaxPointDate>2022-07-12</TaxPointDate>
    <EmitterParty>
      <TaxId CountryCode="CV">253095794</TaxId>
      <Name>Economia e Gestao, Lda.</Name>
      <Address CountryCode="CV">
        <AddressDetail> S. Nicolau 5300003</AddressDetail>
        <AddressCode>CV774741741037410319</AddressCode>
      </Address>
      <Contacts>
        <Telefax>2635652</Telefax>
        <Email>[email protected]</Email>
      </Contacts>
    </EmitterParty>
    <ReceiverParty>
      <TaxId CountryCode="CV">253309859</TaxId>
      <Name>DANI</Name>
      <Address CountryCode="CV">
        <AddressDetail>PLATO</AddressDetail>
        <AddressCode>CV774741741037410321</AddressCode>
      </Address>
      <Contacts>
        <Telephone>2613990</Telephone>
        <Telefax>2613990</Telefax>
        <Email>[email protected]</Email>
      </Contacts>
    </ReceiverParty>
    <Lines>
      <Line LineTypeCode="N">
        <Quantity UnitCode="EA">1</Quantity>
        <Price>20000</Price>
        <PriceExtension>20000</PriceExtension>
        <NetTotal>20000</NetTotal>
        <Tax TaxTypeCode="IVA">
          <TaxPercentage>15</TaxPercentage>
        </Tax>
        <Item>
          <Description>CONTABILIDADE E ACESSORIA FISCAL</Description>
          <EmitterIdentification>ServiçosConta</EmitterIdentification>
        </Item>
      </Line>
    </Lines>
    <Totals>
      <PriceExtensionTotalAmount>20000</PriceExtensionTotalAmount>
      <ChargeTotalAmount>0</ChargeTotalAmount>
      <DiscountTotalAmount>0</DiscountTotalAmount>
      <NetTotalAmount>20000</NetTotalAmount>
      <TaxTotalAmount>3000</TaxTotalAmount>
      <PayableAmount>23000</PayableAmount>
    </Totals>
    <Payments>
      <PaymentDueDate>2022-07-11</PaymentDueDate>
      <PaymentTerms>
        <Note>O valor a ser Pago como:</Note>
      </PaymentTerms>
    </Payments>
  </Invoice>
  <Transmission>
    <IssueMode>2</IssueMode>
    <TransmitterTaxId CountryCode="CV">253095794</TransmitterTaxId>
    <Software>
      <Code>GESTCLI</Code>
      <Name>Gest Client</Name>
      <Version>1.0.0.0</Version>
    </Software>
    <Contingency>
      <IssueDate>2022-07-12</IssueDate>
      <IssueTime>10:27:30</IssueTime>
      <ReasonTypeCode>3</ReasonTypeCode>
    </Contingency>
  </Transmission>
  <RepositoryCode>3</RepositoryCode>
<ds:Signature xmlns:ds="http://www.w3.org/2000/09/xmldsig#" Id="xmldsig-f1b6eecc-42fd-47f1-b640-d9a2a007785a">
<ds:SignedInfo>
<ds:CanonicalizationMethod Algorithm="http://www.w3.org/TR/2001/REC-xml-c14n-20010315"></ds:CanonicalizationMethod>
<ds:SignatureMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#rsa-sha256"></ds:SignatureMethod>
<ds:Reference Id="xmldsig-f1b6eecc-42fd-47f1-b640-d9a2a007785a-ref0" URI="#CV3220712253095794000010100000013109784241060">
<ds:Transforms>
<ds:Transform Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped-signature"></ds:Transform>
<ds:Transform Algorithm="http://www.w3.org/TR/2001/REC-xml-c14n-20010315"></ds:Transform>
</ds:Transforms>
<ds:DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></ds:DigestMethod>
<ds:DigestValue>PXYHSI2eUW2CUjsDi6tzHHlnd2ZimyXm0Xu88oZ2RgU=</ds:DigestValue>
</ds:Reference>
<ds:Reference URI="#xmldsig-f1b6eecc-42fd-47f1-b640-d9a2a007785a-keyinfo">
<ds:Transforms>
<ds:Transform Algorithm="http://www.w3.org/TR/2001/REC-xml-c14n-20010315"></ds:Transform>
</ds:Transforms>
<ds:DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></ds:DigestMethod>
<ds:DigestValue>Dmkj+lvf0XAAiQs0IrVoSnwbSyuuTK9pY8ZFUBj0s3I=</ds:DigestValue>
</ds:Reference>
<ds:Reference Type="http://uri.etsi.org/01903#SignedProperties" URI="#xmldsig-f1b6eecc-42fd-47f1-b640-d9a2a007785a-signedprops">
<ds:Transforms>
<ds:Transform Algorithm="http://www.w3.org/TR/2001/REC-xml-c14n-20010315"></ds:Transform>
</ds:Transforms>
<ds:DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"></ds:DigestMethod>
<ds:DigestValue>u79XW0/MWp/wga8zbP2bxzttVqdp1loib9rdlG9UawU=</ds:DigestValue>
</ds:Reference>
</ds:SignedInfo>
<ds:SignatureValue Id="xmldsig-f1b6eecc-42fd-47f1-b640-d9a2a007785a-sigvalue">
iKpRgQsRfVkDTnDRN+XzppGCrmkOwlOJjdFmcRkphRbvxShN4GxPCJ+zQWvuoliIoWIR6XjgsPrz&#xD;
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</ds:SignatureValue>
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<ds:X509Data>
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w2ucLAPygE1v</xades:EncapsulatedTimeStamp></xades:SignatureTimeStamp></xades:UnsignedSignatureProperties></xades:UnsignedProperties></xades:QualifyingProperties></ds:Object>
</ds:Signature></Dfe>

Boa noite,

Estou agora com esta tarefa em mãos, por curiosidade, faltava canonizar o XML?

Ajuda assinar xml xades-bes hash 256 C#

carlostpaiva

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