<xenc11:PBKDF2-params xmlns:xenc11="http://www.w3.org/2009/xmlenc11#">
  <xenc11:Salt>
    <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>
  <xenc11:IterationCount>3</xenc11:IterationCount>
  <xenc11:KeyLength>4096</xenc11:KeyLength>
  <xenc11:PRF Algorithm="urn:x-simplesamlphp:algorithm" />
</xenc11:PBKDF2-params>