This document describes how to use the Content Engine Web Service Extensible Authentication Framework (WS-EAF). The information in this document is intended for developers who want to extend the functionality of WS-EAF by developing custom login modules to handle binary security tokens as defined in web service security (WS-Security) OASIS standards. To derive full benefit from the information in this document, we assume the reader is familiar with the WS-Security standard and the Java™ Authentication and Authorization Service (JAAS) standard.