<?xml version="1.0" encoding="utf-8"?>
<!--
<!DOCTYPE schema
  PUBLIC "-//W3C//DTD XMLSchema 200102//EN" "http://www.w3.org/2001/XMLSchema.dtd"
 [
   <!ATTLIST schema 
     xmlns:ds CDATA #FIXED "http://www.w3.org/2000/09/xmldsig#">
   <!ENTITY dsig 'http://www.w3.org/2000/09/xmldsig#'>
   <!ENTITY % p ''>
   <!ENTITY % s ''>
  ]>
-->
<!-- Schema for XML Signatures
    http://www.w3.org/2000/09/xmldsig#
    $Revision: 4 $ on $Date: 2004-12-16 12:08:17 -0500 (Thu, 16 Dec 2004) $ by $Author: marcgratacos $

    Copyright 2001 The Internet Society and W3C (Massachusetts Institute
    of Technology, Institut National de Recherche en Informatique et en
    Automatique, Keio University). All Rights Reserved.
    http://www.w3.org/Consortium/Legal/

    This document is governed by the W3C Software License [1] as described
    in the FAQ [2].

    [1] http://www.w3.org/Consortium/Legal/copyright-software-19980720
    [2] http://www.w3.org/Consortium/Legal/IPR-FAQ-20000620.html#DTD
-->
<schema targetNamespace="http://www.w3.org/2000/09/xmldsig#" elementFormDefault="qualified" version="0.1" xmlns="http://www.w3.org/2001/XMLSchema" xmlns:ds="http://www.w3.org/2000/09/xmldsig#">
<!-- Basic Types Defined for Signatures -->
  <simpleType name="CryptoBinary">
    <restriction base="base64Binary" />
  </simpleType>
<!-- Start Signature -->
  <element name="Signature" type="ds:SignatureType" />
  <complexType name="SignatureType">
    <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 name="SignatureValue" type="ds:SignatureValueType" />
  <complexType name="SignatureValueType">
    <simpleContent>
      <extension base="base64Binary">
        <attribute name="Id" type="ID" use="optional" />
      </extension>
    </simpleContent>
  </complexType>
<!-- Start SignedInfo -->
  <element name="SignedInfo" type="ds:SignedInfoType" />
  <complexType name="SignedInfoType">
    <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 name="CanonicalizationMethod" type="ds:CanonicalizationMethodType" />
  <complexType name="CanonicalizationMethodType" mixed="true">
    <sequence>
      <any namespace="##any" minOccurs="0" maxOccurs="unbounded" />
<!-- (0,unbounded) elements from (1,1) namespace -->
    </sequence>
    <attribute name="Algorithm" type="anyURI" use="required" />
  </complexType>
  <element name="SignatureMethod" type="ds:SignatureMethodType" />
  <complexType name="SignatureMethodType" mixed="true">
    <sequence>
      <element name="HMACOutputLength" type="ds:HMACOutputLengthType" minOccurs="0" />
      <any namespace="##other" minOccurs="0" maxOccurs="unbounded" />
<!-- (0,unbounded) elements from (1,1) external namespace -->
    </sequence>
    <attribute name="Algorithm" type="anyURI" use="required" />
  </complexType>
<!-- Start Reference -->
  <element name="Reference" type="ds:ReferenceType" />
  <complexType name="ReferenceType">
    <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="anyURI" use="optional" />
    <attribute name="Type" type="anyURI" use="optional" />
  </complexType>
  <element name="Transforms" type="ds:TransformsType" />
  <complexType name="TransformsType">
    <sequence>
      <element ref="ds:Transform" maxOccurs="unbounded" />
    </sequence>
  </complexType>
  <element name="Transform" type="ds:TransformType" />
  <complexType name="TransformType" mixed="true">
    <choice minOccurs="0" maxOccurs="unbounded">
      <any namespace="##other" processContents="lax" />
<!-- (1,1) elements from (0,unbounded) namespaces -->
      <element name="XPath" type="string" />
    </choice>
    <attribute name="Algorithm" type="anyURI" use="required" />
  </complexType>
<!-- End Reference -->
  <element name="DigestMethod" type="ds:DigestMethodType" />
  <complexType name="DigestMethodType" mixed="true">
    <sequence>
      <any namespace="##other" processContents="lax" minOccurs="0" maxOccurs="unbounded" />
    </sequence>
    <attribute name="Algorithm" type="anyURI" use="required" />
  </complexType>
  <element name="DigestValue" type="ds:DigestValueType" />
  <simpleType name="DigestValueType">
    <restriction base="base64Binary" />
  </simpleType>
<!-- End SignedInfo -->
<!-- Start KeyInfo -->
  <element name="KeyInfo" type="ds:KeyInfoType" />
  <complexType name="KeyInfoType" mixed="true">
    <choice maxOccurs="unbounded">
      <element ref="ds:KeyName" />
      <element ref="ds:KeyValue" />
      <element ref="ds:RetrievalMethod" />
      <element ref="ds:X509Data" />
      <element ref="ds:PGPData" />
      <element ref="ds:SPKIData" />
      <element ref="ds:MgmtData" />
      <any namespace="##other" processContents="lax" />
<!-- (1,1) elements from (0,unbounded) namespaces -->
    </choice>
    <attribute name="Id" type="ID" use="optional" />
  </complexType>
  <element name="KeyName" type="string" />
  <element name="MgmtData" type="string" />
  <element name="KeyValue" type="ds:KeyValueType" />
  <complexType name="KeyValueType" mixed="true">
    <choice>
      <element ref="ds:DSAKeyValue" />
      <element ref="ds:RSAKeyValue" />
      <any namespace="##other" processContents="lax" />
    </choice>
  </complexType>
  <element name="RetrievalMethod" type="ds:RetrievalMethodType" />
  <complexType name="RetrievalMethodType">
    <sequence>
      <element ref="ds:Transforms" minOccurs="0" />
    </sequence>
    <attribute name="URI" type="anyURI" />
    <attribute name="Type" type="anyURI" use="optional" />
  </complexType>
<!-- Start X509Data -->
  <element name="X509Data" type="ds:X509DataType" />
  <complexType name="X509DataType">
    <sequence maxOccurs="unbounded">
      <choice>
        <element name="X509IssuerSerial" type="ds:X509IssuerSerialType" />
        <element name="X509SKI" type="base64Binary" />
        <element name="X509SubjectName" type="string" />
        <element name="X509Certificate" type="base64Binary" />
        <element name="X509CRL" type="base64Binary" />
        <any namespace="##other" processContents="lax" />
      </choice>
    </sequence>
  </complexType>
  <complexType name="X509IssuerSerialType">
    <sequence>
      <element name="X509IssuerName" type="string" />
      <element name="X509SerialNumber" type="integer" />
    </sequence>
  </complexType>
<!-- End X509Data -->
<!-- Begin PGPData -->
  <element name="PGPData" type="ds:PGPDataType" />
  <complexType name="PGPDataType">
    <choice>
      <sequence>
        <element name="PGPKeyID" type="base64Binary" />
        <element name="PGPKeyPacket" type="base64Binary" minOccurs="0" />
        <any namespace="##other" processContents="lax" minOccurs="0" maxOccurs="unbounded" />
      </sequence>
      <sequence>
        <element name="PGPKeyPacket" type="base64Binary" />
        <any namespace="##other" processContents="lax" minOccurs="0" maxOccurs="unbounded" />
      </sequence>
    </choice>
  </complexType>
<!-- End PGPData -->
<!-- Begin SPKIData -->
  <element name="SPKIData" type="ds:SPKIDataType" />
  <complexType name="SPKIDataType">
    <sequence maxOccurs="unbounded">
      <element name="SPKISexp" type="base64Binary" />
      <any namespace="##other" processContents="lax" minOccurs="0" />
    </sequence>
  </complexType>
<!-- End SPKIData -->
<!-- End KeyInfo -->
<!-- Start Object (Manifest, SignatureProperty) -->
  <element name="Object" type="ds:ObjectType" />
  <complexType name="ObjectType" mixed="true">
    <sequence minOccurs="0" 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="anyURI" use="optional" />
<!-- add a grep facet -->
  </complexType>
  <element name="Manifest" type="ds:ManifestType" />
  <complexType name="ManifestType">
    <sequence>
      <element ref="ds:Reference" maxOccurs="unbounded" />
    </sequence>
    <attribute name="Id" type="ID" use="optional" />
  </complexType>
  <element name="SignatureProperties" type="ds:SignaturePropertiesType" />
  <complexType name="SignaturePropertiesType">
    <sequence>
      <element ref="ds:SignatureProperty" maxOccurs="unbounded" />
    </sequence>
    <attribute name="Id" type="ID" use="optional" />
  </complexType>
  <element name="SignatureProperty" type="ds:SignaturePropertyType" />
  <complexType name="SignaturePropertyType" mixed="true">
    <choice maxOccurs="unbounded">
      <any namespace="##other" processContents="lax" />
<!-- (1,1) elements from (1,unbounded) namespaces -->
    </choice>
    <attribute name="Target" type="anyURI" use="required" />
    <attribute name="Id" type="ID" use="optional" />
  </complexType>
<!-- End Object (Manifest, SignatureProperty) -->
<!-- Start Algorithm Parameters -->
  <simpleType name="HMACOutputLengthType">
    <restriction base="integer" />
  </simpleType>
<!-- Start KeyValue Element-types -->
  <element name="DSAKeyValue" type="ds:DSAKeyValueType" />
  <complexType name="DSAKeyValueType">
    <sequence>
      <sequence minOccurs="0">
        <element name="P" type="ds:CryptoBinary" />
        <element name="Q" type="ds:CryptoBinary" />
      </sequence>
      <element name="G" type="ds:CryptoBinary" minOccurs="0" />
      <element name="Y" type="ds:CryptoBinary" />
      <element name="J" type="ds:CryptoBinary" minOccurs="0" />
      <sequence minOccurs="0">
        <element name="Seed" type="ds:CryptoBinary" />
        <element name="PgenCounter" type="ds:CryptoBinary" />
      </sequence>
    </sequence>
  </complexType>
  <element name="RSAKeyValue" type="ds:RSAKeyValueType" />
  <complexType name="RSAKeyValueType">
    <sequence>
      <element name="Modulus" type="ds:CryptoBinary" />
      <element name="Exponent" type="ds:CryptoBinary" />
    </sequence>
  </complexType>
<!-- End KeyValue Element-types -->
<!-- End Signature -->
</schema>

