Spring-Security
is a great framework closelly integrated into SpringFramework and
added secirity services in many aspects. One of the aspects - is
authenication, and Spring-Security supports many way for
authentication, including OpenID.
Step2 -
is a library developed by Google. It wrapps openid4java library (also
used in Spring-Security) and added some addtional functionality.
Spring-Security-Step2 is a project to integrate these 2 nice
solutions. From one side, it is totally compatible with native
spring-security-openid library in terms of configuration. You can
simple replace spring-security-openid by spring-security-step2 (with
dependencies) and everything should continue as well. As result,
additionally to standard spring-security-openid features you will get:
Please looks our Wiki for more details.