<?xml version="1.0" encoding="UTF-8"?>
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<wsdl:definitions 
    targetNamespace="http://schemas.xmlsoap.org/ws/2002/12/secext" 
    xmlns:wsse="http://schemas.xmlsoap.org/ws/2002/12/secext" 
    xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/" 
    xmlns:xs="http://www.w3.org/2001/XMLSchema"
>
<!-- this is the WS-I BP-compliant way to import a schema -->
	<wsdl:types>
	    <xs:schema>
	        <xs:import namespace="http://schemas.xmlsoap.org/ws/2002/12/secext" schemaLocation="secext.xsd"/>
	    </xs:schema>
	</wsdl:types>
	
<!-- WS-Trust defines exactly two GEDs, here they are -->
	<wsdl:message name="RequestSecurityTokenMsg">
		<wsdl:part name="request" element="wsse:RequestSecurityToken" />
	</wsdl:message>
	<wsdl:message name="RequestSecurityTokenResponseMsg">
		<wsdl:part name="response" element="wsse:RequestSecurityTokenResponse" />
	</wsdl:message>
	
<!-- This portType models the full request/response the Security Token Service:

         request        |        request       |       req/challenge       | 
     A  ==========> B   |   A  ==========> B   |   A  ===============> B   |  
         response       |       challenge      |       chall/answer        |
       <==========      |     <==========      |     <===============      |   . . . 
                        |        answer        |          answer           |
                        |      ==========>     |      ===============>     |
                        |       response       |         response          |
                        |     <==========      |     <===============      |  
 -->	
        
        <wsdl:portType name="WSSecurityRequester">
	        <wsdl:operation name="SecurityTokenResponse">
		        <wsdl:input message="wsse:RequestSecurityTokenResponseMsg"/>
	        </wsdl:operation>
	        <wsdl:operation name="Challenge">
		        <wsdl:input message="wsse:RequestSecurityTokenResponseMsg"/>
		        <wsdl:output message="wsse:RequestSecurityTokenResponseMsg"/>
	        </wsdl:operation>
        </wsdl:portType>
	
<!-- These portTypes model the individual message exchanges -->	
	
	<wsdl:portType name="SecurityTokenRequestService">
	        <wsdl:operation name="RequestSecurityToken">
		        <wsdl:input message="wsse:RequestSecurityTokenMsg"/>
	        </wsdl:operation>
        </wsdl:portType>

        <wsdl:portType name="SecurityTokenService">
	        <wsdl:operation name="RequestSecurityToken">
		        <wsdl:input message="wsse:RequestSecurityTokenMsg"/>
		        <wsdl:output message="wsse:RequestSecurityTokenResponseMsg"/>
	        </wsdl:operation>
        </wsdl:portType>
</wsdl:definitions>