<Signature xmlns="http://www.w3.org/2000/09/xmldsig#">
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    <CanonicalizationMethod 
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    <SignatureMethod Algorithm="http://www.w3.org/2000/09/xmldsig#rsa-sha1" />
    <Reference>
      <Transforms>
        <Transform Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"/>
      </Transforms>
      <DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1" />
    </Reference>
  </SignedInfo>
</Signature>
