From a0b61080b066210cbf9f57ec0f0827f8cbbb2c3f Mon Sep 17 00:00:00 2001
From: Tim van Dijen <tvdijen@gmail.com>
Date: Wed, 26 Sep 2018 12:26:21 +0200
Subject: [PATCH] Fix externally referenced schema files

---
 .../oasis-sstc-saml-schema-assertion-1.1.xsd  |   2 +-
 .../oasis-sstc-saml-schema-protocol-1.1.xsd   |   2 +-
 schemas/saml-schema-assertion-2.0.xsd         |   4 +-
 schemas/saml-schema-metadata-2.0.xsd          |   6 +-
 schemas/saml-schema-protocol-2.0.xsd          |   2 +-
 schemas/xenc-schema.xsd                       | 146 ++++++++
 schemas/xml.xsd                               | 287 ++++++++++++++++
 schemas/xmldsig-core-schema.xsd               | 318 ++++++++++++++++++
 8 files changed, 759 insertions(+), 8 deletions(-)
 create mode 100644 schemas/xenc-schema.xsd
 create mode 100644 schemas/xml.xsd
 create mode 100644 schemas/xmldsig-core-schema.xsd

diff --git a/schemas/oasis-sstc-saml-schema-assertion-1.1.xsd b/schemas/oasis-sstc-saml-schema-assertion-1.1.xsd
index dee3a3e26..1516399bf 100644
--- a/schemas/oasis-sstc-saml-schema-assertion-1.1.xsd
+++ b/schemas/oasis-sstc-saml-schema-assertion-1.1.xsd
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <schema targetNamespace="urn:oasis:names:tc:SAML:1.0:assertion" xmlns:ds="http://www.w3.org/2000/09/xmldsig#" xmlns:saml="urn:oasis:names:tc:SAML:1.0:assertion" xmlns="http://www.w3.org/2001/XMLSchema" elementFormDefault="unqualified" attributeFormDefault="unqualified" version="1.1">
-	<import namespace="http://www.w3.org/2000/09/xmldsig#" schemaLocation="http://www.w3.org/TR/xmldsig-core/xmldsig-core-schema.xsd"/>
+	<import namespace="http://www.w3.org/2000/09/xmldsig#" schemaLocation="xmldsig-core-schema.xsd"/>
 	<annotation>
 		<documentation>
                 Document identifier: oasis-sstc-saml-schema-assertion-1.1
diff --git a/schemas/oasis-sstc-saml-schema-protocol-1.1.xsd b/schemas/oasis-sstc-saml-schema-protocol-1.1.xsd
index 8bea3a944..ea4407725 100644
--- a/schemas/oasis-sstc-saml-schema-protocol-1.1.xsd
+++ b/schemas/oasis-sstc-saml-schema-protocol-1.1.xsd
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <schema targetNamespace="urn:oasis:names:tc:SAML:1.0:protocol" xmlns:ds="http://www.w3.org/2000/09/xmldsig#" xmlns:saml="urn:oasis:names:tc:SAML:1.0:assertion" xmlns:samlp="urn:oasis:names:tc:SAML:1.0:protocol" xmlns="http://www.w3.org/2001/XMLSchema" elementFormDefault="unqualified" attributeFormDefault="unqualified" version="1.1">
 	<import namespace="urn:oasis:names:tc:SAML:1.0:assertion" schemaLocation="oasis-sstc-saml-schema-assertion-1.1.xsd"/>
-	<import namespace="http://www.w3.org/2000/09/xmldsig#" schemaLocation="http://www.w3.org/TR/xmldsig-core/xmldsig-core-schema.xsd"/>
+	<import namespace="http://www.w3.org/2000/09/xmldsig#" schemaLocation="xmldsig-core-schema.xsd"/>
 	<annotation>
 		<documentation>
                 Document identifier: oasis-sstc-saml-schema-protocol-1.1
diff --git a/schemas/saml-schema-assertion-2.0.xsd b/schemas/saml-schema-assertion-2.0.xsd
index 9bbfa26e3..2b2f7b801 100644
--- a/schemas/saml-schema-assertion-2.0.xsd
+++ b/schemas/saml-schema-assertion-2.0.xsd
@@ -10,9 +10,9 @@
     blockDefault="substitution"
     version="2.0">
     <import namespace="http://www.w3.org/2000/09/xmldsig#"
-        schemaLocation="http://www.w3.org/TR/2002/REC-xmldsig-core-20020212/xmldsig-core-schema.xsd"/>
+        schemaLocation="xmldsig-core-schema.xsd"/>
     <import namespace="http://www.w3.org/2001/04/xmlenc#"
-        schemaLocation="http://www.w3.org/TR/2002/REC-xmlenc-core-20021210/xenc-schema.xsd"/>
+        schemaLocation="xenc-schema.xsd"/>
     <annotation>
         <documentation>
             Document identifier: saml-schema-assertion-2.0
diff --git a/schemas/saml-schema-metadata-2.0.xsd b/schemas/saml-schema-metadata-2.0.xsd
index 923b598bf..b656d4f41 100644
--- a/schemas/saml-schema-metadata-2.0.xsd
+++ b/schemas/saml-schema-metadata-2.0.xsd
@@ -11,13 +11,13 @@
     blockDefault="substitution"
     version="2.0">
     <import namespace="http://www.w3.org/2000/09/xmldsig#"
-        schemaLocation="http://www.w3.org/TR/2002/REC-xmldsig-core-20020212/xmldsig-core-schema.xsd"/>
+        schemaLocation="xmldsig-core-schema.xsd"/>
     <import namespace="http://www.w3.org/2001/04/xmlenc#"
-        schemaLocation="http://www.w3.org/TR/2002/REC-xmlenc-core-20021210/xenc-schema.xsd"/>
+        schemaLocation="xenc-schema.xsd"/>
     <import namespace="urn:oasis:names:tc:SAML:2.0:assertion"
         schemaLocation="saml-schema-assertion-2.0.xsd"/>
     <import namespace="http://www.w3.org/XML/1998/namespace"
-        schemaLocation="http://www.w3.org/2001/xml.xsd"/>
+        schemaLocation="xml.xsd"/>
     <annotation>
         <documentation>
             Document identifier: saml-schema-metadata-2.0
diff --git a/schemas/saml-schema-protocol-2.0.xsd b/schemas/saml-schema-protocol-2.0.xsd
index 13656b18a..7fa6f489d 100644
--- a/schemas/saml-schema-protocol-2.0.xsd
+++ b/schemas/saml-schema-protocol-2.0.xsd
@@ -12,7 +12,7 @@
     <import namespace="urn:oasis:names:tc:SAML:2.0:assertion"
         schemaLocation="saml-schema-assertion-2.0.xsd"/>
     <import namespace="http://www.w3.org/2000/09/xmldsig#"
-        schemaLocation="http://www.w3.org/TR/2002/REC-xmldsig-core-20020212/xmldsig-core-schema.xsd"/>
+        schemaLocation="xmldsig-core-schema.xsd"/>
     <annotation>
         <documentation>
             Document identifier: saml-schema-protocol-2.0
diff --git a/schemas/xenc-schema.xsd b/schemas/xenc-schema.xsd
new file mode 100644
index 000000000..d61229fd5
--- /dev/null
+++ b/schemas/xenc-schema.xsd
@@ -0,0 +1,146 @@
+<?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:xenc CDATA #FIXED 'http://www.w3.org/2001/04/xmlenc#'
+     xmlns:ds CDATA #FIXED 'http://www.w3.org/2000/09/xmldsig#'>
+   <!ENTITY xenc 'http://www.w3.org/2001/04/xmlenc#'>
+   <!ENTITY % p ''>
+   <!ENTITY % s ''>
+  ]>
+
+<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>
+
diff --git a/schemas/xml.xsd b/schemas/xml.xsd
new file mode 100644
index 000000000..aea7d0db0
--- /dev/null
+++ b/schemas/xml.xsd
@@ -0,0 +1,287 @@
+<?xml version='1.0'?>
+<?xml-stylesheet href="../2008/09/xsd.xsl" type="text/xsl"?>
+<xs:schema targetNamespace="http://www.w3.org/XML/1998/namespace" 
+  xmlns:xs="http://www.w3.org/2001/XMLSchema" 
+  xmlns   ="http://www.w3.org/1999/xhtml"
+  xml:lang="en">
+
+ <xs:annotation>
+  <xs:documentation>
+   <div>
+    <h1>About the XML namespace</h1>
+
+    <div class="bodytext">
+     <p>
+      This schema document describes the XML namespace, in a form
+      suitable for import by other schema documents.
+     </p>
+     <p>
+      See <a href="http://www.w3.org/XML/1998/namespace.html">
+      http://www.w3.org/XML/1998/namespace.html</a> and
+      <a href="http://www.w3.org/TR/REC-xml">
+      http://www.w3.org/TR/REC-xml</a> for information 
+      about this namespace.
+     </p>
+     <p>
+      Note that local names in this namespace are intended to be
+      defined only by the World Wide Web Consortium or its subgroups.
+      The names currently defined in this namespace are listed below.
+      They should not be used with conflicting semantics by any Working
+      Group, specification, or document instance.
+     </p>
+     <p>   
+      See further below in this document for more information about <a
+      href="#usage">how to refer to this schema document from your own
+      XSD schema documents</a> and about <a href="#nsversioning">the
+      namespace-versioning policy governing this schema document</a>.
+     </p>
+    </div>
+   </div>
+  </xs:documentation>
+ </xs:annotation>
+
+ <xs:attribute name="lang">
+  <xs:annotation>
+   <xs:documentation>
+    <div>
+     
+      <h3>lang (as an attribute name)</h3>
+      <p>
+       denotes an attribute whose value
+       is a language code for the natural language of the content of
+       any element; its value is inherited.  This name is reserved
+       by virtue of its definition in the XML specification.</p>
+     
+    </div>
+    <div>
+     <h4>Notes</h4>
+     <p>
+      Attempting to install the relevant ISO 2- and 3-letter
+      codes as the enumerated possible values is probably never
+      going to be a realistic possibility.  
+     </p>
+     <p>
+      See BCP 47 at <a href="http://www.rfc-editor.org/rfc/bcp/bcp47.txt">
+       http://www.rfc-editor.org/rfc/bcp/bcp47.txt</a>
+      and the IANA language subtag registry at
+      <a href="http://www.iana.org/assignments/language-subtag-registry">
+       http://www.iana.org/assignments/language-subtag-registry</a>
+      for further information.
+     </p>
+     <p>
+      The union allows for the 'un-declaration' of xml:lang with
+      the empty string.
+     </p>
+    </div>
+   </xs:documentation>
+  </xs:annotation>
+  <xs:simpleType>
+   <xs:union memberTypes="xs:language">
+    <xs:simpleType>    
+     <xs:restriction base="xs:string">
+      <xs:enumeration value=""/>
+     </xs:restriction>
+    </xs:simpleType>
+   </xs:union>
+  </xs:simpleType>
+ </xs:attribute>
+
+ <xs:attribute name="space">
+  <xs:annotation>
+   <xs:documentation>
+    <div>
+     
+      <h3>space (as an attribute name)</h3>
+      <p>
+       denotes an attribute whose
+       value is a keyword indicating what whitespace processing
+       discipline is intended for the content of the element; its
+       value is inherited.  This name is reserved by virtue of its
+       definition in the XML specification.</p>
+     
+    </div>
+   </xs:documentation>
+  </xs:annotation>
+  <xs:simpleType>
+   <xs:restriction base="xs:NCName">
+    <xs:enumeration value="default"/>
+    <xs:enumeration value="preserve"/>
+   </xs:restriction>
+  </xs:simpleType>
+ </xs:attribute>
+ 
+ <xs:attribute name="base" type="xs:anyURI"> <xs:annotation>
+   <xs:documentation>
+    <div>
+     
+      <h3>base (as an attribute name)</h3>
+      <p>
+       denotes an attribute whose value
+       provides a URI to be used as the base for interpreting any
+       relative URIs in the scope of the element on which it
+       appears; its value is inherited.  This name is reserved
+       by virtue of its definition in the XML Base specification.</p>
+     
+     <p>
+      See <a
+      href="http://www.w3.org/TR/xmlbase/">http://www.w3.org/TR/xmlbase/</a>
+      for information about this attribute.
+     </p>
+    </div>
+   </xs:documentation>
+  </xs:annotation>
+ </xs:attribute>
+ 
+ <xs:attribute name="id" type="xs:ID">
+  <xs:annotation>
+   <xs:documentation>
+    <div>
+     
+      <h3>id (as an attribute name)</h3> 
+      <p>
+       denotes an attribute whose value
+       should be interpreted as if declared to be of type ID.
+       This name is reserved by virtue of its definition in the
+       xml:id specification.</p>
+     
+     <p>
+      See <a
+      href="http://www.w3.org/TR/xml-id/">http://www.w3.org/TR/xml-id/</a>
+      for information about this attribute.
+     </p>
+    </div>
+   </xs:documentation>
+  </xs:annotation>
+ </xs:attribute>
+
+ <xs:attributeGroup name="specialAttrs">
+  <xs:attribute ref="xml:base"/>
+  <xs:attribute ref="xml:lang"/>
+  <xs:attribute ref="xml:space"/>
+  <xs:attribute ref="xml:id"/>
+ </xs:attributeGroup>
+
+ <xs:annotation>
+  <xs:documentation>
+   <div>
+   
+    <h3>Father (in any context at all)</h3> 
+
+    <div class="bodytext">
+     <p>
+      denotes Jon Bosak, the chair of 
+      the original XML Working Group.  This name is reserved by 
+      the following decision of the W3C XML Plenary and 
+      XML Coordination groups:
+     </p>
+     <blockquote>
+       <p>
+	In appreciation for his vision, leadership and
+	dedication the W3C XML Plenary on this 10th day of
+	February, 2000, reserves for Jon Bosak in perpetuity
+	the XML name "xml:Father".
+       </p>
+     </blockquote>
+    </div>
+   </div>
+  </xs:documentation>
+ </xs:annotation>
+
+ <xs:annotation>
+  <xs:documentation>
+   <div xml:id="usage" id="usage">
+    <h2><a name="usage">About this schema document</a></h2>
+
+    <div class="bodytext">
+     <p>
+      This schema defines attributes and an attribute group suitable
+      for use by schemas wishing to allow <code>xml:base</code>,
+      <code>xml:lang</code>, <code>xml:space</code> or
+      <code>xml:id</code> attributes on elements they define.
+     </p>
+     <p>
+      To enable this, such a schema must import this schema for
+      the XML namespace, e.g. as follows:
+     </p>
+     <pre>
+          &lt;schema . . .>
+           . . .
+           &lt;import namespace="http://www.w3.org/XML/1998/namespace"
+                      schemaLocation="http://www.w3.org/2001/xml.xsd"/>
+     </pre>
+     <p>
+      or
+     </p>
+     <pre>
+           &lt;import namespace="http://www.w3.org/XML/1998/namespace"
+                      schemaLocation="http://www.w3.org/2009/01/xml.xsd"/>
+     </pre>
+     <p>
+      Subsequently, qualified reference to any of the attributes or the
+      group defined below will have the desired effect, e.g.
+     </p>
+     <pre>
+          &lt;type . . .>
+           . . .
+           &lt;attributeGroup ref="xml:specialAttrs"/>
+     </pre>
+     <p>
+      will define a type which will schema-validate an instance element
+      with any of those attributes.
+     </p>
+    </div>
+   </div>
+  </xs:documentation>
+ </xs:annotation>
+
+ <xs:annotation>
+  <xs:documentation>
+   <div id="nsversioning" xml:id="nsversioning">
+    <h2><a name="nsversioning">Versioning policy for this schema document</a></h2>
+    <div class="bodytext">
+     <p>
+      In keeping with the XML Schema WG's standard versioning
+      policy, this schema document will persist at
+      <a href="http://www.w3.org/2009/01/xml.xsd">
+       http://www.w3.org/2009/01/xml.xsd</a>.
+     </p>
+     <p>
+      At the date of issue it can also be found at
+      <a href="http://www.w3.org/2001/xml.xsd">
+       http://www.w3.org/2001/xml.xsd</a>.
+     </p>
+     <p>
+      The schema document at that URI may however change in the future,
+      in order to remain compatible with the latest version of XML
+      Schema itself, or with the XML namespace itself.  In other words,
+      if the XML Schema or XML namespaces change, the version of this
+      document at <a href="http://www.w3.org/2001/xml.xsd">
+       http://www.w3.org/2001/xml.xsd 
+      </a> 
+      will change accordingly; the version at 
+      <a href="http://www.w3.org/2009/01/xml.xsd">
+       http://www.w3.org/2009/01/xml.xsd 
+      </a> 
+      will not change.
+     </p>
+     <p>
+      Previous dated (and unchanging) versions of this schema 
+      document are at:
+     </p>
+     <ul>
+      <li><a href="http://www.w3.org/2009/01/xml.xsd">
+	http://www.w3.org/2009/01/xml.xsd</a></li>
+      <li><a href="http://www.w3.org/2007/08/xml.xsd">
+	http://www.w3.org/2007/08/xml.xsd</a></li>
+      <li><a href="http://www.w3.org/2004/10/xml.xsd">
+	http://www.w3.org/2004/10/xml.xsd</a></li>
+      <li><a href="http://www.w3.org/2001/03/xml.xsd">
+	http://www.w3.org/2001/03/xml.xsd</a></li>
+     </ul>
+    </div>
+   </div>
+  </xs:documentation>
+ </xs:annotation>
+
+</xs:schema>
+
diff --git a/schemas/xmldsig-core-schema.xsd b/schemas/xmldsig-core-schema.xsd
new file mode 100644
index 000000000..df126b30e
--- /dev/null
+++ b/schemas/xmldsig-core-schema.xsd
@@ -0,0 +1,318 @@
+<?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: 1.1 $ on $Date: 2002/02/08 20:32:26 $ by $Author: reagle $
+
+    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 xmlns="http://www.w3.org/2001/XMLSchema"
+        xmlns:ds="http://www.w3.org/2000/09/xmldsig#"
+        targetNamespace="http://www.w3.org/2000/09/xmldsig#"
+        version="0.1" elementFormDefault="qualified"> 
+
+<!-- Basic Types Defined for Signatures -->
+
+<simpleType name="CryptoBinary">
+  <restriction base="base64Binary">
+  </restriction>
+</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" minOccurs="0" type="ds:HMACOutputLengthType"/>
+      <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 processContents="lax" namespace="##other"/>
+    <!-- (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"/> <!-- add a grep facet -->
+  <attribute name="Encoding" type="anyURI" use="optional"/> 
+</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>
-- 
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