<?xml version="1.0" encoding="UTF-8"?>
<beans:beans xmlns="http://www.springframework.org/schema/security" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:beans="http://www.springframework.org/schema/beans"
    xsi:schemaLocation="
		http://www.springframework.org/schema/security http://www.springframework.org/schema/security/spring-security-4.0.xsd
		http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.2.xsd"
>

    <beans:bean id="digestFilter" class="org.springframework.security.web.authentication.www.DigestAuthenticationFilter">
        <beans:property name="userDetailsService" ref="userService"/>
        <beans:property name="authenticationEntryPoint" ref="digestEntryPoint"/>
    </beans:bean>
    <beans:bean id="digestEntryPoint" class="org.springframework.security.web.authentication.www.DigestAuthenticationEntryPoint">
        <beans:property name="realmName" value="Contacts Realm via Digest Authentication"/>
        <beans:property name="key" value="acegi"/>
    </beans:bean>

    <!-- the security namespace configuration -->
    <http use-expressions="true" entry-point-ref="digestEntryPoint">
        <intercept-url pattern="/**" access="isAuthenticated()"/>

        <custom-filter ref="digestFilter" position="BASIC_AUTH_FILTER"/>
    </http>

    <authentication-manager>
        <authentication-provider>
            <user-service id="userService">
                <user name="user1" password="user1Pass" authorities="ROLE_USER"/>
            </user-service>
        </authentication-provider>
    </authentication-manager>

</beans:beans>