<?xml version="1.0" encoding="UTF-8"?>
<schema targetNamespace="http://www.w3.org/2000/09/xmldsig#" xmlns:ds="http://www.w3.org/2000/09/xmldsig#" xmlns="http://www.w3.org/2000/10/XMLSchema" elementFormDefault="qualified" version="0.1">
	<!-- Basic Types Defined for Signatures -->
	<simpleType name="CryptoBinary">
		<restriction base="binary">
			<encoding value="base64"/>
		</restriction>
	</simpleType>
	<!-- Start Signature -->
	<element name="Signature">
		<complexType>
			<sequence>
				<element ref="ds:SignedInfo"/>
				<element ref="ds:SignatureValue"/>
				<element ref="ds:KeyInfo" minOccurs="0"/>
				<element ref="ds:Object" minOccurs="0" maxOccurs="unbounded"/>
			</sequence>
			<attribute name="Id" type="ID" use="optional"/>
		</complexType>
	</element>
	<!-- Start SignedInfo -->
	<element name="SignedInfo">
		<complexType>
			<sequence>
				<element ref="ds:CanonicalizationMethod"/>
				<element ref="ds:SignatureMethod"/>
				<element ref="ds:Reference" maxOccurs="unbounded"/>
			</sequence>
			<attribute name="Id" type="ID" use="optional"/>
		</complexType>
	</element>
	<element name="CanonicalizationMethod">
		<complexType>
			<sequence>
				<any namespace="##any" minOccurs="0" maxOccurs="unbounded"/>
			</sequence>
			<attribute name="Algorithm" type="uriReference" use="required"/>
		</complexType>
	</element>
	<element name="SignatureMethod">
		<complexType>
			<sequence>
				<any namespace="##any" minOccurs="0" maxOccurs="unbounded"/>
			</sequence>
			<attribute name="Algorithm" type="uriReference" use="required"/>
		</complexType>
	</element>
	<element name="SignatureValue" type="ds:CryptoBinary"/>
	<!-- Start Reference -->
	<element name="Reference">
		<complexType>
			<sequence>
				<element ref="ds:Transforms" minOccurs="0"/>
				<element ref="ds:DigestMethod"/>
				<element ref="ds:DigestValue"/>
			</sequence>
			<attribute name="Id" type="ID" use="optional"/>
			<attribute name="URI" type="uriReference" use="optional"/>
			<attribute name="Type" type="uriReference" use="optional"/>
		</complexType>
	</element>
	<element name="Transforms">
		<complexType>
			<sequence>
				<element ref="ds:Transform" maxOccurs="unbounded"/>
			</sequence>
		</complexType>
	</element>
	<element name="Transform">
		<complexType>
			<choice maxOccurs="unbounded">
				<any namespace="##other" processContents="lax" minOccurs="0" maxOccurs="unbounded"/>
				<element name="XSLT" type="string"/>
				<element name="XPath" type="string"/>
				<!-- should be an xsl:stylesheet element -->
			</choice>
			<attribute name="Algorithm" type="uriReference" use="required"/>
		</complexType>
	</element>
	<!-- End Reference -->
	<element name="DigestMethod">
		<complexType>
			<sequence>
				<any namespace="##any" processContents="lax" minOccurs="0" maxOccurs="unbounded"/>
			</sequence>
			<attribute name="Algorithm" type="uriReference" use="required"/>
		</complexType>
	</element>
	<element name="DigestValue" type="ds:CryptoBinary"/>
	<!-- End SignedInfo -->
	<!-- Start KeyInfo -->
	<element name="KeyInfo">
		<complexType>
			<choice maxOccurs="unbounded">
				<any namespace="##other" processContents="lax" minOccurs="0" maxOccurs="unbounded"/>
				<element name="KeyName" type="string"/>
				<element ref="ds:KeyValue"/>
				<element ref="ds:RetrievalMethod"/>
				<element ref="ds:X509Data"/>
				<element ref="ds:PGPData"/>
				<element ref="ds:SPKIData"/>
				<element name="MgmtData" type="string"/>
			</choice>
			<attribute name="Id" type="ID" use="optional"/>
		</complexType>
	</element>
	<element name="KeyValue">
		<complexType mixed="true">
			<choice>
				<any namespace="##other" processContents="lax" minOccurs="0" maxOccurs="unbounded"/>
				<element ref="ds:DSAKeyValue"/>
				<element ref="ds:RSAKeyValue"/>
			</choice>
		</complexType>
	</element>
	<element name="RetrievalMethod">
		<complexType>
			<sequence>
				<element ref="ds:Transforms" minOccurs="0"/>
			</sequence>
			<attribute name="URI" type="uriReference"/>
			<attribute name="Type" type="uriReference" use="optional"/>
		</complexType>
	</element>
	<!-- Start X509Data -->
	<element name="X509Data">
		<complexType>
			<choice>
				<sequence maxOccurs="unbounded">
					<choice>
						<element ref="ds:X509IssuerSerial"/>
						<element name="X509SKI" type="ds:CryptoBinary"/>
						<element name="X509SubjectName" type="string"/>
						<element name="X509Certificate" type="ds:CryptoBinary"/>
					</choice>
				</sequence>
				<element name="X509CRL" type="ds:CryptoBinary"/>
			</choice>
		</complexType>
	</element>
	<element name="X509IssuerSerial">
		<complexType>
			<sequence>
				<element name="X509IssuerName" type="string"/>
				<element name="X509SerialNumber" type="integer"/>
			</sequence>
		</complexType>
	</element>
	<!-- End X509Data -->
	<!-- Begin PGPData -->
	<element name="PGPData">
		<complexType>
			<choice>
				<any namespace="##other" processContents="lax" minOccurs="0" maxOccurs="unbounded"/>
				<sequence>
					<element name="PGPKeyID" type="string"/>
					<element name="PGPKeyPacket" type="ds:CryptoBinary"/>
				</sequence>
			</choice>
		</complexType>
	</element>
	<!-- End PGPData -->
	<!-- Begin SPKIData -->
	<element name="SPKIData" type="string"/>
	<!-- End SPKIData -->
	<!-- End KeyInfo -->
	<!-- Start Object (Manifest, SignatureProperty) -->
	<element name="Object">
		<complexType mixed="true">
			<sequence maxOccurs="unbounded">
				<any namespace="##any" processContents="lax"/>
			</sequence>
			<attribute name="Id" type="ID" use="optional"/>
			<attribute name="MimeType" type="string" use="optional"/>
			<attribute name="Encoding" type="uriReference" use="optional"/>
			<!-- add a grep facet -->
		</complexType>
	</element>
	<element name="Manifest">
		<complexType>
			<sequence>
				<element ref="ds:Reference" maxOccurs="unbounded"/>
			</sequence>
			<attribute name="Id" type="ID" use="optional"/>
		</complexType>
	</element>
	<element name="SignatureProperties">
		<complexType>
			<sequence>
				<element ref="ds:SignatureProperty" maxOccurs="unbounded"/>
			</sequence>
			<attribute name="Id" type="ID" use="optional"/>
		</complexType>
	</element>
	<element name="SignatureProperty">
		<complexType mixed="true">
			<choice minOccurs="0" maxOccurs="unbounded">
				<any namespace="##other" processContents="lax" minOccurs="0" maxOccurs="unbounded"/>
			</choice>
			<attribute name="Target" type="uriReference" use="required"/>
			<attribute name="Id" type="ID" use="optional"/>
		</complexType>
	</element>
	<!-- End Object (Manifest, SignatureProperty) -->
	<!-- Start Algorithm Parameters -->
	<element name="HMACOutputLength" type="integer"/>
	<!-- Start KeyValue Element-types -->
	<element name="DSAKeyValue">
		<complexType>
			<sequence>
				<sequence>
					<element name="P" type="ds:CryptoBinary"/>
					<element name="Q" type="ds:CryptoBinary"/>
					<element name="G" type="ds:CryptoBinary"/>
					<element name="Y" type="ds:CryptoBinary"/>
					<element name="J" type="ds:CryptoBinary" minOccurs="0"/>
				</sequence>
				<sequence minOccurs="0">
					<element name="Seed" type="ds:CryptoBinary"/>
					<element name="PgenCounter" type="ds:CryptoBinary"/>
				</sequence>
			</sequence>
		</complexType>
	</element>
	<element name="RSAKeyValue">
		<complexType>
			<sequence>
				<element name="Modulus" type="ds:CryptoBinary"/>
				<element name="Exponent" type="ds:CryptoBinary"/>
			</sequence>
		</complexType>
	</element>
	<!-- End KeyValue Element-types -->
	<!-- End Signature -->
</schema>

