Yes, it is a ssl problem, the ca.key and all the certs are incompatible.And no, it is not only a ssl problem, it is a freeradius problem, too:
Unless the makefile in certs is provided by openssl, but I think this is freeradius stuff, or?
Ciao, Stephan - List info/subscribe/unsubscribe? See http://www.freeradius.org/list/users.html