<?xml version="1.0" encoding="UTF-8"?>
<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#hmac-sha512"/>
    <Reference URI="#object">
      <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha512"/>
      <DigestValue></DigestValue>
    </Reference>
  </SignedInfo>
  <SignatureValue>
  </SignatureValue>
  <KeyInfo>
    <KeyName>mykey</KeyName>
  </KeyInfo>
  <Object Id="object">some text</Object>
</Signature>
