x509 authentication with spring security 2.0.4

i am new to spring security. can anybody provide me sample application for x509 certificate authenticatio开发者_StackOverflow中文版n with spring 2.0.4

You can use the basic <http> setup to get X509 authentication:

<http>
   <x509: subject-principal-regex"(.*)" user-service-ref="myUserService"/>
   <intercept-url pattern="/**" access="ROLE_USER" requires-channel="https"/>
</http>