On Feb 17, 2014, at 8:46 AM, nduan at dtechspace.com wrote: > Is there a login module for X.509 authentication available in > Shibboleth IdP? Yes, Switch has made one available for quite some time now. Look on the contributions page. https://wiki.shibboleth.net/confluence/display/SHIB2/Contributions -------- thanks kevin.foote