<?xml version="1.0" encoding="UTF-8"?>
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<xsd:schema targetNamespace="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd" xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd" xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd" xmlns:wsse="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:ds="http://www.w3.org/2000/09/xmldsig#" elementFormDefault="qualified" attributeFormDefault="unqualified" blockDefault="#all" version="0.2">
    <xsd:import namespace="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd" schemaLocation="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd"/>
    <xsd:import namespace="http://www.w3.org/2000/09/xmldsig#" schemaLocation="http://www.w3.org/TR/xmldsig-core/xmldsig-core-schema.xsd"/>

    <xsd:complexType name="AttributedString">
        <xsd:annotation>
            <xsd:documentation>This type represents an element with arbitrary attributes.</xsd:documentation>
        </xsd:annotation>
        <xsd:simpleContent>
            <xsd:extension base="xsd:string">
                <xsd:attribute ref="wsu:Id"/>
                <xsd:anyAttribute namespace="##other" processContents="lax"/>
            </xsd:extension>
        </xsd:simpleContent>
    </xsd:complexType>
    <xsd:complexType name="PasswordString">
        <xsd:annotation>
            <xsd:documentation>This type is used for password elements per Section 4.1.</xsd:documentation>
        </xsd:annotation>
        <xsd:simpleContent>
            <xsd:extension base="wsse:AttributedString">
                <xsd:attribute name="Type" type="xsd:anyURI"/>
            </xsd:extension>
        </xsd:simpleContent>
    </xsd:complexType>
    <xsd:complexType name="EncodedString">
        <xsd:annotation>
            <xsd:documentation>This type is used for elements containing stringified binary data.</xsd:documentation>
        </xsd:annotation>
        <xsd:simpleContent>
            <xsd:extension base="wsse:AttributedString">
                <xsd:attribute name="EncodingType" type="xsd:anyURI"/>
            </xsd:extension>
        </xsd:simpleContent>
    </xsd:complexType>
    <xsd:complexType name="UsernameTokenType">
        <xsd:annotation>
            <xsd:documentation>This type represents a username token per Section 4.1</xsd:documentation>
        </xsd:annotation>
        <xsd:sequence>
            <xsd:element name="Username" type="wsse:AttributedString"/>
            <xsd:any processContents="lax" minOccurs="0" maxOccurs="unbounded"/>
        </xsd:sequence>
        <xsd:attribute ref="wsu:Id"/>
        <xsd:anyAttribute namespace="##other" processContents="lax"/>
    </xsd:complexType>
    <xsd:complexType name="BinarySecurityTokenType">
        <xsd:annotation>
            <xsd:documentation>A security token that is encoded in binary</xsd:documentation>
        </xsd:annotation>
        <xsd:simpleContent>
            <xsd:extension base="wsse:EncodedString">
                <xsd:attribute name="ValueType" type="xsd:anyURI"/>
            </xsd:extension>
        </xsd:simpleContent>
    </xsd:complexType>
    <xsd:complexType name="KeyIdentifierType">
        <xsd:annotation>
            <xsd:documentation>A security token key identifier</xsd:documentation>
        </xsd:annotation>
        <xsd:simpleContent>
            <xsd:extension base="wsse:EncodedString">
                <xsd:attribute name="ValueType" type="xsd:anyURI"/>
            </xsd:extension>
        </xsd:simpleContent>
    </xsd:complexType>
    <xsd:simpleType name="tUsage">
        <xsd:annotation>
            <xsd:documentation>Typedef to allow a list of usages (as URIs).</xsd:documentation>
        </xsd:annotation>
        <xsd:list itemType="xsd:anyURI"/>
    </xsd:simpleType>
    <xsd:attribute name="Usage" type="tUsage">
        <xsd:annotation>
            <xsd:documentation>This global attribute is used to indicate the usage of a referenced or indicated token within the containing context</xsd:documentation>
        </xsd:annotation>
    </xsd:attribute>
    <xsd:complexType name="ReferenceType">
        <xsd:annotation>
            <xsd:documentation>This type represents a reference to an external security token.</xsd:documentation>
        </xsd:annotation>
        <xsd:attribute name="URI" type="xsd:anyURI"/>
        <xsd:attribute name="ValueType" type="xsd:anyURI"/>
        <xsd:anyAttribute namespace="##other" processContents="lax"/>
    </xsd:complexType>
    <xsd:complexType name="EmbeddedType">
        <xsd:annotation>
            <xsd:documentation>This type represents a reference to an embedded security token.</xsd:documentation>
        </xsd:annotation>
        <xsd:choice minOccurs="0" maxOccurs="unbounded">
            <xsd:any processContents="lax"/>
        </xsd:choice>
        <xsd:attribute name="ValueType" type="xsd:anyURI"/>
        <xsd:anyAttribute namespace="##other" processContents="lax"/>
    </xsd:complexType>
    <xsd:complexType name="SecurityTokenReferenceType">
        <xsd:annotation>
            <xsd:documentation>This type is used reference a security token.</xsd:documentation>
        </xsd:annotation>
        <xsd:choice minOccurs="0" maxOccurs="unbounded">
            <xsd:any processContents="lax"/>
        </xsd:choice>
        <xsd:attribute ref="wsu:Id"/>
        <xsd:attribute ref="wsse:Usage"/>
        <xsd:anyAttribute namespace="##other" processContents="lax"/>
    </xsd:complexType>
    <xsd:complexType name="SecurityHeaderType">
        <xsd:annotation>
            <xsd:documentation>This complexType defines header block to use for security-relevant data directed at a specific SOAP actor.</xsd:documentation>
        </xsd:annotation>
        <xsd:sequence>
            <xsd:any processContents="lax" minOccurs="0" maxOccurs="unbounded">
                <xsd:annotation>
                    <xsd:documentation>The use of "any" is to allow extensibility and different forms of security data.</xsd:documentation>
                </xsd:annotation>
            </xsd:any>
        </xsd:sequence>
        <xsd:anyAttribute namespace="##other" processContents="lax"/>
    </xsd:complexType>
    <xsd:complexType name="TransformationParametersType">
        <xsd:annotation>
            <xsd:documentation>This complexType defines a container for elements to be specified from any namespace as properties/parameters of a DSIG transformation.</xsd:documentation>
        </xsd:annotation>
        <xsd:sequence>
            <xsd:any processContents="lax" minOccurs="0" maxOccurs="unbounded">
                <xsd:annotation>
                    <xsd:documentation>The use of "any" is to allow extensibility from any namespace.</xsd:documentation>
                </xsd:annotation>
            </xsd:any>
        </xsd:sequence>
        <xsd:anyAttribute namespace="##other" processContents="lax"/>
    </xsd:complexType>
    <xsd:element name="UsernameToken" type="wsse:UsernameTokenType">
        <xsd:annotation>
            <xsd:documentation>This element defines the wsse:UsernameToken element per Section 4.1.</xsd:documentation>
        </xsd:annotation>
    </xsd:element>
    <xsd:element name="BinarySecurityToken" type="wsse:BinarySecurityTokenType">
        <xsd:annotation>
            <xsd:documentation>This element defines the wsse:BinarySecurityToken element per Section 4.2.</xsd:documentation>
        </xsd:annotation>
    </xsd:element>
    <xsd:element name="Reference" type="wsse:ReferenceType">
        <xsd:annotation>
            <xsd:documentation>This element defines a security token reference</xsd:documentation>
        </xsd:annotation>
    </xsd:element>
    <xsd:element name="Embedded" type="wsse:EmbeddedType">
        <xsd:annotation>
            <xsd:documentation>This element defines a security token embedded reference</xsd:documentation>
        </xsd:annotation>
    </xsd:element>
    <xsd:element name="KeyIdentifier" type="wsse:KeyIdentifierType">
        <xsd:annotation>
            <xsd:documentation>This element defines a key identifier reference</xsd:documentation>
        </xsd:annotation>
    </xsd:element>
    <xsd:element name="SecurityTokenReference" type="wsse:SecurityTokenReferenceType">
        <xsd:annotation>
            <xsd:documentation>This element defines the wsse:SecurityTokenReference per Section 4.3.</xsd:documentation>
        </xsd:annotation>
    </xsd:element>
    <xsd:element name="Security" type="wsse:SecurityHeaderType">
        <xsd:annotation>
            <xsd:documentation>This element defines the wsse:Security SOAP header element per Section 4.</xsd:documentation>
        </xsd:annotation>
    </xsd:element>
    <xsd:element name="TransformationParameters" type="wsse:TransformationParametersType">
        <xsd:annotation>
            <xsd:documentation>This element contains properties for transformations from any namespace, including DSIG.</xsd:documentation>
        </xsd:annotation>
    </xsd:element>
    <xsd:element name="Password" type="wsse:PasswordString"/>
    <xsd:element name="Nonce" type="wsse:EncodedString"/>
    <xsd:simpleType name="FaultcodeEnum">
        <xsd:restriction base="xsd:QName">
            <xsd:enumeration value="wsse:UnsupportedSecurityToken"/>
            <xsd:enumeration value="wsse:UnsupportedAlgorithm"/>
            <xsd:enumeration value="wsse:InvalidSecurity"/>
            <xsd:enumeration value="wsse:InvalidSecurityToken"/>
            <xsd:enumeration value="wsse:FailedAuthentication"/>
            <xsd:enumeration value="wsse:FailedCheck"/>
            <xsd:enumeration value="wsse:SecurityTokenUnavailable"/>
        </xsd:restriction>
    </xsd:simpleType>
</xsd:schema>