<ds:Signature xmlns:ds="http://www.w3.org/2000/09/xmldsig#" Id="def456">
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    <ds:CanonicalizationMethod Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#" />
    <ds:SignatureMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#rsa-sha256" />
    <ds:Reference Id="ghi789" Type="urn:some:type" URI="#_1e280ee704fb1d8d9dec4bd6c1889ec96942921153">
      <ds:Transforms>
        <ds:Transform Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped-signature" />
        <ds:Transform Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#" />
      </ds:Transforms>
      <ds:DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256" />
      <ds:DigestValue>/CTj03d1DB5e2t7CTo9BEzCf5S9NRzwnBgZRlm32REI=</ds:DigestValue>
    </ds:Reference>
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    <ds:KeyName>testkey</ds:KeyName>
    <ds:X509Data>
      <ds:X509Certificate>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</ds:X509Certificate>
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    </ds:X509Data>
    <ssp:Chunk xmlns:ssp="urn:x-simplesamlphp:namespace">some</ssp:Chunk>
  </ds:KeyInfo>
  <ds:Object>
    <ssp:Chunk xmlns:ssp="urn:x-simplesamlphp:namespace">Some</ssp:Chunk>
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</ds:Signature>