Krill supports signing RFC 8209 BGPSec Router Certificates as of release 0.10.0. These certificates are used publish the router keys for RFC 8205 BGPSec protocol capable routers. Unfortunately, this protocol is not (yet) supported by many routers. We hope that by adding support for signing router certificates to the Krill CLI and API we can help support the future development and deployment of BGPSec. However, because BGPSec deployment is still lacking we have chosen not to support this in the UI at this time. But, of course, we are more than willing to add this in future if BGPSec deployment takes off and / or there is user demand for this.
The CLI commands are documented here<cmd_krillc_bgpsec>.