Comment # 7 on bug 1200991 from Stephan Hemeier

i+ | openSUSE-signkey-cert               | Paket      | 20220613-lp153.2.3.1   
                | x86_64 | Main Update Repository

If you want to get it into mok see:
https://forums.opensuse.org/showthread.php/560900-Help-on-booting-to-a-5-14-11-kernel-stable-backports-kernel-with-secure-boot-(or-must-I-disable)?p=3073187#post3073187