<?xml version="1.0" encoding="UTF-8"?>
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<xsd:schema 
  targetNamespace="http://schemas.xmlsoap.org/ws/2001/10/security" 
  xmlns:xsd="http://www.w3.org/2001/XMLSchema" 
  xmlns:ds="http://www.w3.org/2000/09/xmldsig#" 
  xmlns:enc="http://www.w3.org/2001/04/xmlenc#" 
  xmlns="http://schemas.xmlsoap.org/ws/2001/10/security" 
  elementFormDefault="qualified" 
  attributeFormDefault="unqualified" 
  version="0.1">
  
  <xsd:import namespace="http://www.w3.org/2001/04/xmlenc#" schemaLocation="http://www.w3.org/TR/xmlenc-core/xenc-schema.xsd"/>
  <xsd:import namespace="http://www.w3.org/2000/09/xmldsig#" schemaLocation="http://www.w3.org/TR/2001/PR-xmldsig-core-20010820/xmldsig-core-schema.xsd"/>
  <!--
    //
    // WS-Security includes the following elements used to extend ds:KeyInfo:
    //  - licenseLocation
    //
    -->
  <xsd:element name="licenseLocation" type="xsd:anyURI">
    <xsd:annotation>
      <xsd:documentation>
            This element is used within an XML Signature KeyInfo tag to
            provide a URI that points to a assertion/license that may be useful in
            determining the trust associated with an XML Signature.
       </xsd:documentation>
    </xsd:annotation>
  </xsd:element>
  <!--
    //
    // WS-Security includes the following top level SOAP Headers:
    //  - integrity
    //  - confidentiality
    //  - credentials
    //
    -->
  <!--
    //
    // WS-Security message integrity header
    //
    -->
  <xsd:element name="integrity">
    <xsd:annotation>
      <xsd:documentation>
            This element defines the WS-Security integrity header.
            It's purpose is to encapsulate the XML digital signatures 
            of the SOAP message that contains this header.  This header
            is designed to allow all valid SOAP attributes as well
            as other namespace qualified attributes that are appropriate
            in the context that this is being used within.
      </xsd:documentation>
    </xsd:annotation>
    <xsd:complexType>
      <xsd:sequence>
        <xsd:element ref="ds:Signature" minOccurs="0" maxOccurs="unbounded">
          <xsd:annotation>
            <xsd:documentation>
                            This element defines a reference to the XML Digital Signature
                            "Signature" element which is the top level element for
                            defining digital signatures of portions of an XML document.
             </xsd:documentation>
          </xsd:annotation>
        </xsd:element>
        <xsd:any namespace="##other" processContents="lax" minOccurs="0" maxOccurs="unbounded">
          <xsd:annotation>
            <xsd:documentation>
                            This free-form extension may include additional,
                             namespace-qualified XML.
            </xsd:documentation>
          </xsd:annotation>
        </xsd:any>
      </xsd:sequence>
      <xsd:anyAttribute namespace="##other" processContents="lax"/>
    </xsd:complexType>
  </xsd:element>
  <!--
    //
    // WS-Security encrypted attachment element
    //
    -->
  <xsd:element name="encryptedAttachment" type="enc:EncryptedDataType">
    <xsd:annotation>
      <xsd:documentation>
                This element mirrors the XML Encrypt EncryptedData element
                and is used for special semantics around encrypted attachments
      </xsd:documentation>
    </xsd:annotation>
  </xsd:element>
  <!--
    //
    // WS-Security message confidentiality header
    //
    -->
  <xsd:element name="confidentiality">
    <xsd:annotation>
      <xsd:documentation>
                This element defines the WS-Security confidentiality header.
                It's purpose is to identify encrypted attachments.  This header
                is designed to allow all valid SOAP attributes as well
                as other namespace qualified attributes that are appropriate
                in the context that this is being used within.
      </xsd:documentation>
    </xsd:annotation>
    <xsd:complexType>
      <xsd:sequence>
        <xsd:element ref="encryptedAttachment" minOccurs="0" maxOccurs="unbounded">
          <xsd:annotation>
            <xsd:documentation>
                      The encryptedAttachment element provides a reference and encryption
                      metadata for message attachments.
                    </xsd:documentation>
          </xsd:annotation>
        </xsd:element>
        <xsd:any namespace="##other" processContents="lax" minOccurs="0" maxOccurs="unbounded">
          <xsd:annotation>
            <xsd:documentation>
                            This free-form extension may include additional,
                            namespace qualified XML.
            </xsd:documentation>
          </xsd:annotation>
        </xsd:any>
      </xsd:sequence>
      <xsd:anyAttribute namespace="##other" processContents="lax"/>
    </xsd:complexType>
  </xsd:element>
  <!--
    //
    // WS-Security credentials header
    //
    -->
  <xsd:element name="credentials">
    <xsd:annotation>
      <xsd:documentation>
                This element defines the WS-Security credentials header.
                It's purpose is to encapsulate credentials that 
                are agreed to between the SOAP producer and consumer. Credentials
                have additional properties which are defined in the WS-Security
                specification located at:
                  http://msdn.microsoft.com/ws/2001/10/Security/.  This header
                is designed to allow all valid SOAP attributes as well
                as other namespace qualified attributes that are appropriate
                in the context that this is being used within.
       </xsd:documentation>
    </xsd:annotation>
    <xsd:complexType>
      <xsd:sequence>
        <xsd:any namespace="##other" processContents="lax" minOccurs="0" maxOccurs="unbounded">
          <xsd:annotation>
            <xsd:documentation>
                            This element is a placeholder that indicates where the
                            credential(s) contained in the WS-Security credentials tag belong.
            </xsd:documentation>
          </xsd:annotation>
        </xsd:any>
      </xsd:sequence>
      <xsd:anyAttribute namespace="##other" processContents="lax"/>
    </xsd:complexType>
  </xsd:element>
</xsd:schema>