spring-security/samples/contacts/war/WEB-INF/resin-web.xml

<!--
  - $Id$
  -->
<web-app>
      <authenticator>
        <type>net.sf.acegisecurity.adapters.resin.ResinSpringAuthenticator</type>
        <init>
          <app-context-location>WEB-INF/resin-acegisecurity.xml</app-context-location>
           <key>my_password</key>
        </init>
      </authenticator>
</web-app>