<schema xmlns='http://www.w3.org/2001/XMLSchema' version='1.0'        xmlns:xenc='http://www.w3.org/2001/04/xmlenc#'        xmlns:xenc11='http://www.w3.org/2009/xmlenc11#'        xmlns:ds='http://www.w3.org/2000/09/xmldsig#'        targetNamespace='http://www.w3.org/2009/xmlenc11#'        elementFormDefault='qualified'>	<import namespace='http://www.w3.org/2000/09/xmldsig#'			schemaLocation='xmldsig-core-schema.xsd'/>	<import namespace='http://www.w3.org/2001/04/xmlenc#'			schemaLocation='xenc-schema.xsd.xml'/>	<element name="ConcatKDFParams" type="xenc11:ConcatKDFParamsType"/>	<complexType name="ConcatKDFParamsType">		<sequence>			<element ref="ds:DigestMethod"/>		</sequence>		<attribute name="AlgorithmID" type="hexBinary"/>		<attribute name="PartyUInfo" type="hexBinary"/>		<attribute name="PartyVInfo" type="hexBinary"/>		<attribute name="SuppPubInfo" type="hexBinary"/>		<attribute name="SuppPrivInfo" type="hexBinary"/>	</complexType>	<element name="DerivedKey" type="xenc11:DerivedKeyType"/>	<complexType name="DerivedKeyType">		<sequence>			<element ref="xenc11:KeyDerivationMethod" minOccurs="0"/>			<element ref="xenc:ReferenceList" minOccurs="0"/>			<element name="DerivedKeyName" type="string" minOccurs="0"/>			<element name="MasterKeyName" type="string" minOccurs="0"/>		</sequence>		<attribute name="Recipient" type="string" use="optional"/>		<attribute name="Id" type="ID" use="optional"/>		<attribute name="Type" type="anyURI" use="optional"/>	</complexType>	<element name="KeyDerivationMethod" type="xenc11:KeyDerivationMethodType"/>	<complexType name="KeyDerivationMethodType">		<sequence>			<any namespace="##any" minOccurs="0" maxOccurs="unbounded"/>		</sequence>		<attribute name="Algorithm" type="anyURI" use="required"/>	</complexType>	<element name="PBKDF2-params" type="xenc11:PBKDF2ParameterType"/>	<complexType name="AlgorithmIdentifierType">		<sequence>			<element name="Parameters" type="anyType" minOccurs="0"/>		</sequence>        <attribute name="Algorithm" type="anyURI" use="required" />	</complexType>	<complexType name="PRFAlgorithmIdentifierType">		<complexContent>          <restriction base="xenc11:AlgorithmIdentifierType">            <attribute name="Algorithm" type="anyURI" use="required" />          </restriction>        </complexContent>	</complexType>	<complexType name="PBKDF2ParameterType">		<sequence>			<element name="Salt">				<complexType>					<choice>						<element name="Specified" type="base64Binary"/>						<element name="OtherSource" type="xenc11:AlgorithmIdentifierType"/>					</choice>				</complexType>			</element>			<element name="IterationCount" type="positiveInteger"/>			<element name="KeyLength" type="positiveInteger"/>			<element name="PRF" type="xenc11:PRFAlgorithmIdentifierType"/>		</sequence>	</complexType>    <element name="MGF" type="xenc11:MGFType"/>    <complexType name="MGFType">      <complexContent>        <restriction base="xenc11:AlgorithmIdentifierType">          <attribute name="Algorithm" type="anyURI" use="required" />        </restriction>      </complexContent>    </complexType></schema>