<?xml version="1.0" encoding="utf-8"?>

<schema xmlns="http://www.w3.org/2001/XMLSchema"
        xmlns:dsp="http://www.w3.org/2009/xmldsig-properties"
        targetNamespace="http://www.w3.org/2009/xmldsig-properties"
        version="0.1" elementFormDefault="qualified">

  <element name="Profile" type="dsp:ProfileType"/> 
  <complexType name="ProfileType">
    <attribute name="URI" type="anyURI"/>
  </complexType>

  <element name="Role" type="dsp:RoleType"/> 
  <complexType name="RoleType">
    <attribute name="URI" type="anyURI"/>
  </complexType>

  <element name="Identifier" type="string"/>

  <element name="Created" type="dateTime"/>

  <element name="Expires" type="dateTime"/>

  <element name="ReplayProtect" type="dsp:ReplayProtectType"/>
  <complexType name="ReplayProtectType" >
    <sequence>
      <element name="timestamp" type="dateTime"/>
      <element name="nonce" type="dsp:NonceValueType"/>
    </sequence>
  </complexType>

  <complexType name="NonceValueType">
    <simpleContent>
      <extension base="string">
        <attribute name="EncodingType" type="anyURI"/>
      </extension>
    </simpleContent>
  </complexType>

</schema>