<wsp:Policyxmlns:wsp=="http://schemas.xmlsoap.org/ws/2004/09/policy"
xmlns:wsse="http://schemas.xmlsoap.org/ws/2002/12/secext">
<wsp:ExactlyOne>
<wsp:All>
  <wsse:SecurityToken>
  <wsse:TokenType>wsse:x509v3</wsse:TokenType>
  </wsse:SecurityToken>
  <wsse:EncryptedParts>
<wsse:Body />
</wsse:EncryptedParts>
<wsse:SignedParts>
  <wsse:Body />
</wsse:SignedParts>
</wsp:All>
</wsp:ExactlyOne>
</wsp:Policy>
Algorithm 2: WS-Policy source.