(In reply to Stefan Dirsch from comment #2) > For some reason reading this certificate works for me on TW, but no on Leap > 15.4 > > # openssl x509 -in MOK-nvidia-driver-G06-525.89.02-7.1-default.der.tw -text > unable to load certificate > 139783333067776:error:0909006C:PEM routines:get_name:no start > line:crypto/pem/pem_lib.c:745:Expecting: TRUSTED CERTIFICATE > > But that's not the topic here ... Use 'openssl x509 -inform DER -in <filename> -text' instead ...