I added a more conform DER encoded certificate (marked as usable for uaclient and uaserver, but uaserver should better a certificate marked as usable for server and uaclients should better use a certificate marked as usable for clients) and a certificate template for the XCA tool.
The standard server certificate from libua demo server is missing some properties, e.g.:
X509v3 Basic Constraints, X509v3 Key Usage, X509v3 Extended Key Usage, X509v3 Subject Alternative Name.
I added a more conform DER encoded certificate (marked as usable for uaclient and uaserver, but uaserver should better a certificate marked as usable for server and uaclients should better use a certificate marked as usable for clients) and a certificate template for the XCA tool.
lubua-clntsrvcert.zip