<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE Envelope [
<!ATTLIST Invoice ID ID #IMPLIED>
]>
<Envelope>
  <Invoice ID="MyInvoice">
    <Client>Marge Simpson</Client>
    <Amount>847.63</Amount>
  </Invoice>
  <ds:Signature xmlns:ds="http://www.w3.org/2000/09/xmldsig#" Id="xmldsig-signature">
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      <ds:SignatureMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#rsa-sha256" />
      <ds:Reference URI="#MyInvoice" Id="xmldsig-ref0">
        <ds:Transforms>
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        </ds:Transforms>
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      </ds:Reference>
      <ds:Reference URI="#xmldsig-keyinfo">
        <ds:Transforms>
          <ds:Transform Algorithm="http://www.w3.org/TR/2001/REC-xml-c14n-20010315" />
        </ds:Transforms>
        <ds:DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256" />
        <ds:DigestValue>gETpjHP4SKV4Wgxpra3123ZhP8Nqfa556+PtxqP+EXw=</ds:DigestValue>
      </ds:Reference>
      <ds:Reference URI="#xmldsig-signedprops" Type="http://uri.etsi.org/01903#SignedProperties">
        <ds:Transforms>
          <ds:Transform Algorithm="http://www.w3.org/TR/2001/REC-xml-c14n-20010315" />
        </ds:Transforms>
        <ds:DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256" />
        <ds:DigestValue>i07ubwVc8oeOUo3QhaMmg/POnkytK2PxtC3KcYRMc24=</ds:DigestValue>
      </ds:Reference>
    </ds:SignedInfo>
    <ds:SignatureValue>WhC6WchlS239Jn/TTikj2dlWV+gR7B9ko38xrR9/jY3CMc13e4y900qDEHPaHeAvp6T+lDod/dKeSLkGIICBwWLOhcUpBaNs+ukGNWCMomcOms2nOaIeeaFTZId8PA1pv3UK9J9hGlfD8lftEi4/y8/WVAyEzmXGGRDRV7iktyY=</ds:SignatureValue>
    <ds:KeyInfo Id="xmldsig-keyinfo">
      <ds:KeyValue>
        <ds:RSAKeyValue>
          <ds:Modulus>
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          </ds:Modulus>
          <ds:Exponent>AQAB</ds:Exponent>
        </ds:RSAKeyValue>
      </ds:KeyValue>
      <ds:X509Data>
        <ds:X509Certificate>
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        </ds:X509Certificate>
      </ds:X509Data>
    </ds:KeyInfo>
    <ds:Object>
      <xades:QualifyingProperties xmlns:xades="http://uri.etsi.org/01903/v1.3.2#" Target="#xmldsig-signature">
        <xades:SignedProperties Id="xmldsig-signedprops">
          <xades:SignedSignatureProperties>
            <xades:SigningTime>2022-02-08T23:40:49.357+08:00</xades:SigningTime>
            <xades:SigningCertificate>
              <xades:Cert>
                <xades:CertDigest>
                  <ds:DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1" />
                  <ds:DigestValue>swxIhVBVwuZM4xlkktS4ODGms8s=</ds:DigestValue>
                </xades:CertDigest>
                <xades:IssuerSerial>
                  <ds:X509IssuerName>CN=CarlRSA</ds:X509IssuerName>
                  <ds:X509SerialNumber>93318145165434344057210696409401045936</ds:X509SerialNumber>
                </xades:IssuerSerial>
              </xades:Cert>
            </xades:SigningCertificate>
          </xades:SignedSignatureProperties>
          <xades:SignedDataObjectProperties>
            <xades:DataObjectFormat ObjectReference="#xmldsig-ref0">
              <xades:MimeType>text/xml</xades:MimeType>
              <xades:Encoding>UTF-8</xades:Encoding>
            </xades:DataObjectFormat>
          </xades:SignedDataObjectProperties>
        </xades:SignedProperties>
      </xades:QualifyingProperties>
    </ds:Object>
  </ds:Signature>
</Envelope>