<?xml version="1.0" encoding="UTF-8"?>
<FOO xmlns="http://www.foo.org/foo">
foo
<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/2000/09/xmldsig#rsa-sha1"/>
    <Reference URI="">
      <Transforms><Transform Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped-signature"/>
        <Transform Algorithm="http://www.w3.org/TR/2001/REC-xml-c14n-20010315"/>
      </Transforms>
      <DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1"/>
      <DigestValue>1wFIlW0si1FB2G8Ak7LdC9YWZuE=</DigestValue>
    </Reference>
  </SignedInfo>
  <SignatureValue>oAhBlLby9ysCpZZ3A+APjRX6Pf763RwgBxv5MBUfPrBgO9w9ZUCmaVNm8s3VmcoBxCzA+yaHMw0X
wi8YdLtfvQ==</SignatureValue><KeyInfo>
    <KeyValue>
    <RSAKeyValue>
        <Modulus>19GikKwZG8NFt6TRwnD1zUbj7dIp5WYj8gqk4KUIio7pd9//vVnPzF2QLBUjb2PK6DJf0kZkUpHv
7RwklU9snQ==</Modulus>
        <Exponent>EQ==</Exponent>
      </RSAKeyValue>
    </KeyValue>
  </KeyInfo>
</Signature></FOO>