<wst:RequestSecurityToken
        xmlns:wst="http://docs.oasis-open.org/ws-sx/ws-trust/200512">
  <wst:SecondaryParameters>
    <trust:TokenType xmlns:trust="http://docs.oasis-open.org/ws-sx/ws-trust/200512">
      urn:oasis:names:tc:SAML:2.0:assertion
    </trust:TokenType>
  </wst:SecondaryParameters>
  <wst:RequestType>http://docs.oasis-open.org/ws-sx/ws-trust/200512/Issue
  </wst:RequestType>
  <wst:KeyType>http://docs.oasis-open.org/ws-sx/ws-trust/200512/SymmetricKey
  </wst:KeyType>
  <wst:KeySize>256</wst:KeySize>
  <wst:Entropy>
    <wst:BinarySecret
            Type="http://docs.oasis-open.org/ws-sx/ws-trust/200512/Nonce">IwQnJtnT6rioPQRuoOq2vj+lME/xvDy+ZXkRR7dxRTk=
    </wst:BinarySecret>
  </wst:Entropy>
  <wst:ComputedKeyAlgorithm>http://docs.oasis-open.org/ws-sx/ws-trust/200512/CK/PSHA1
  </wst:ComputedKeyAlgorithm>
</wst:RequestSecurityToken>