<schema xmlns='http://www.w3.org/2001/XMLSchema' version='1.0'        xmlns:xenc='http://www.w3.org/2001/04/xmlenc#'        xmlns:ds='http://www.w3.org/2000/09/xmldsig#'        targetNamespace='http://www.w3.org/2001/04/xmlenc#'        elementFormDefault='qualified'>  <import namespace='http://www.w3.org/2000/09/xmldsig#'          schemaLocation='xmldsig-core-schema.xsd'/>  <complexType name='EncryptedType' abstract='true'>    <sequence>      <element name='EncryptionMethod' type='xenc:EncryptionMethodType'       minOccurs='0'/>      <element ref='ds:KeyInfo' minOccurs='0'/>      <element ref='xenc:CipherData'/>      <element ref='xenc:EncryptionProperties' minOccurs='0'/>    </sequence>    <attribute name='Id' type='ID' use='optional'/>    <attribute name='Type' type='anyURI' use='optional'/>    <attribute name='MimeType' type='string' use='optional'/>    <attribute name='Encoding' type='anyURI' use='optional'/>  </complexType>    <complexType name='EncryptionMethodType' mixed='true'>    <sequence>      <element name='KeySize' minOccurs='0' type='xenc:KeySizeType'/>      <element name='OAEPparams' minOccurs='0' type='base64Binary'/>      <any namespace='##other' minOccurs='0' maxOccurs='unbounded'/>    </sequence>    <attribute name='Algorithm' type='anyURI' use='required'/>  </complexType>    <simpleType name='KeySizeType'>      <restriction base="integer"/>    </simpleType>  <element name='CipherData' type='xenc:CipherDataType'/>  <complexType name='CipherDataType'>     <choice>       <element name='CipherValue' type='base64Binary'/>       <element ref='xenc:CipherReference'/>     </choice>    </complexType>   <element name='CipherReference' type='xenc:CipherReferenceType'/>   <complexType name='CipherReferenceType'>       <choice>         <element name='Transforms' type='xenc:TransformsType' minOccurs='0'/>       </choice>       <attribute name='URI' type='anyURI' use='required'/>   </complexType>     <complexType name='TransformsType'>       <sequence>         <element ref='ds:Transform' maxOccurs='unbounded'/>       </sequence>     </complexType>  <element name='EncryptedData' type='xenc:EncryptedDataType'/>  <complexType name='EncryptedDataType'>    <complexContent>      <extension base='xenc:EncryptedType'>       </extension>    </complexContent>  </complexType>  <!-- Children of ds:KeyInfo -->  <element name='EncryptedKey' type='xenc:EncryptedKeyType'/>  <complexType name='EncryptedKeyType'>    <complexContent>      <extension base='xenc:EncryptedType'>        <sequence>          <element ref='xenc:ReferenceList' minOccurs='0'/>          <element name='CarriedKeyName' type='string' minOccurs='0'/>        </sequence>        <attribute name='Recipient' type='string'         use='optional'/>      </extension>    </complexContent>  </complexType>    <element name="AgreementMethod" type="xenc:AgreementMethodType"/>    <complexType name="AgreementMethodType" mixed="true">      <sequence>        <element name="KA-Nonce" minOccurs="0" type="base64Binary"/>        <!-- <element ref="ds:DigestMethod" minOccurs="0"/> -->        <any namespace="##other" minOccurs="0" maxOccurs="unbounded"/>        <element name="OriginatorKeyInfo" minOccurs="0" type="ds:KeyInfoType"/>        <element name="RecipientKeyInfo" minOccurs="0" type="ds:KeyInfoType"/>      </sequence>      <attribute name="Algorithm" type="anyURI" use="required"/>    </complexType>  <!-- End Children of ds:KeyInfo -->  <element name='ReferenceList'>    <complexType>      <choice minOccurs='1' maxOccurs='unbounded'>        <element name='DataReference' type='xenc:ReferenceType'/>        <element name='KeyReference' type='xenc:ReferenceType'/>      </choice>    </complexType>  </element>  <complexType name='ReferenceType'>    <sequence>      <any namespace='##other' minOccurs='0' maxOccurs='unbounded'/>    </sequence>    <attribute name='URI' type='anyURI' use='required'/>  </complexType>  <element name='EncryptionProperties' type='xenc:EncryptionPropertiesType'/>  <complexType name='EncryptionPropertiesType'>    <sequence>      <element ref='xenc:EncryptionProperty' maxOccurs='unbounded'/>    </sequence>    <attribute name='Id' type='ID' use='optional'/>  </complexType>    <element name='EncryptionProperty' type='xenc:EncryptionPropertyType'/>    <complexType name='EncryptionPropertyType' mixed='true'>      <choice maxOccurs='unbounded'>        <any namespace='##other' processContents='lax'/>      </choice>      <attribute name='Target' type='anyURI' use='optional'/>      <attribute name='Id' type='ID' use='optional'/>      <anyAttribute namespace="http://www.w3.org/XML/1998/namespace"/>    </complexType></schema>