<?xml version="1.0" encoding="UTF-8"?>
<Envelope xmlns="urn:envelope">
  <Data>
	Hello, World!
  </Data>
  <Signature xmlns="http://www.w3.org/2000/09/xmldsig#">
    <SignedInfo>
      <CanonicalizationMethod Algorithm="http://www.w3.org/TR/2001/REC-xml-c14n-20010315"/>
      <SignatureMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#ecdsa-sha384"/>
      <Reference URI="">
        <Transforms>
          <Transform Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped-signature"/>
	        <Transform Algorithm="http://www.w3.org/TR/1999/REC-xpath-19991116">
	          <XPath xmlns:dsig="http://www.w3.org/2000/09/xmldsig#">not(ancestor-or-self::dsig:Signature)</XPath>
	        </Transform>
        </Transforms>
        <DigestMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#sha384"/>
        <DigestValue>KWY6fYC7HAkpMGN1mD/luDV8Mt3J3r4F0u0h6tKpVu+Z5/y7dM3gh9PHJ4BzTfv2</DigestValue>
      </Reference>
    </SignedInfo>
    <SignatureValue>Ab2lrjESCEepUsX4lZDwEnO12M/zVzTxsIJRzqYve7NECYLg/qV9Sir4ptL7/agu
vC971IP6hxciO+BVXrNXfcTPANd/QrlIyXu931lgp0z2QZc8ZDDPzPNpfdlAyH8E
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    <KeyInfo>
      <KeyName>EcdsaSecp521r1</KeyName>
    </KeyInfo>
  </Signature>
</Envelope>
