<xenc11:Salt xmlns:xenc11="http://www.w3.org/2009/xmlenc11#">
  <xenc11:OtherSource Algorithm="urn:x-simplesamlphp:algorithm">
    <xenc11:Parameters xmlns:ssp="urn:x-simplesamlphp:namespace" ssp:attr1="testval1">
      <ssp:Chunk>Some</ssp:Chunk>
    </xenc11:Parameters>
  </xenc11:OtherSource>
</xenc11:Salt>