<?xml version="1.0" encoding="UTF-8"?>

   <schema targetNamespace="urn:ietf:params:xml:ns:secDNS-1.0"
           xmlns:secDNS="urn:ietf:params:xml:ns:secDNS-1.0"
           xmlns="http://www.w3.org/2001/XMLSchema"
           elementFormDefault="qualified">

     <annotation>
       <documentation>
         Extensible Provisioning Protocol v1.0
         domain name extension schema for provisioning
         DNS security (DNSSEC) extensions.
       </documentation>
     </annotation>

   <!--
   Child elements found in EPP commands.
   -->
     <element name="create" type="secDNS:dsType"/>
     <element name="update" type="secDNS:updateType"/>

   <!--
   Child elements of the <create> command.
   -->
     <complexType name="dsType">
       <sequence>
         <element name="dsData" type="secDNS:dsDataType"
          maxOccurs="unbounded"/>
       </sequence>
     </complexType>

     <complexType name="dsDataType">
       <sequence>
         <element name="keyTag" type="unsignedShort"/>
         <element name="alg" type="unsignedByte"/>
         <element name="digestType" type="unsignedByte"/>
         <element name="digest" type="hexBinary"/>
         <element name="maxSigLife" type="secDNS:maxSigLifeType"
          minOccurs="0"/>
         <element name="keyData" type="secDNS:keyDataType"
          minOccurs="0"/>
       </sequence>
     </complexType>

     <simpleType name="maxSigLifeType">
       <restriction base="int">
         <minInclusive value="1"/>
       </restriction>
     </simpleType>

     <complexType name="keyDataType">
       <sequence>
         <element name="flags" type="unsignedShort"/>
         <element name="protocol" type="unsignedByte"/>
         <element name="alg" type="unsignedByte"/>
         <element name="pubKey" type="secDNS:keyType"/>
       </sequence>
     </complexType>

     <simpleType name="keyType">
       <restriction base="base64Binary">
         <minLength value="1"/>
       </restriction>
     </simpleType>

   <!--
   Child elements of the <update> command.
   -->
     <complexType name="updateType">
       <choice>
         <element name="add" type="secDNS:dsType"/>
         <element name="chg" type="secDNS:dsType"/>
         <element name="rem" type="secDNS:remType"/>
       </choice>
       <attribute name="urgent" type="boolean" default="false"/>
     </complexType>

     <complexType name="remType">
       <sequence>
         <element name="keyTag" type="unsignedShort"
          maxOccurs="unbounded"/>
       </sequence>
     </complexType>

   <!--
   Child response elements.
   -->
     <element name="infData" type="secDNS:dsType"/>

   <!--
   End of schema.
   -->
   </schema>

