LEGACY: bump 1023 key size to 1024: Last year Tomas Mraz said this is done for historical reasons and can be changed now: https://bugzilla.redhat.com/show_bug.cgi?id=1882178#c2
policygenerators/java: add javasystem backend:
turns out jdk.tls.ephemeralDHKeySize is not a java security property
and has to live in a different file to have an effect
https://bugzilla.redhat.com/show_bug.cgi?id=1883312