pyopenadr/pyopenadr/templates/signatures/SignedInfo.xml

  <SignedInfo>
    <CanonicalizationMethod Algorithm="http://www.w3.org/TR/2001/REC-xml-c14n-20010315" />
    <SignatureMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#rsa-sha256" />{% for reference in references %}
    <Reference URI="#{{ reference.id }}">
      <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256" />
      <DigestValue>{{ reference.digest_value }}</DigestValue>
    </Reference>{% endfor %}
  </SignedInfo>