gistfile1.xml

<library>
  <book Id="_0">
    <name>Harry Potter</name>
  </book>
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    <SignedInfo>
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      <SignatureMethod Algorithm="http://www.w3.org/2000/09/xmldsig#rsa-sha1" />
      <Reference URI="#_0">
        <Transforms>
          <Transform Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#" />
        </Transforms>
        <DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1" />
        <DigestValue>cdiS43aFDQMnb3X8yaIUej3+z9Q=</DigestValue>
      </Reference>
    </SignedInfo>
    <SignatureValue>vhWzpQyIYuncHUZV9W...[long base64 removed]...</SignatureValue>
  </Signature>
</library>