As long as you can enroll your own keys, probably nothing. It's the removal of CSM you have to worry about, as I don't think OpenBSD has an UEFI bootloader.
________________________________________ From: owner-m...@openbsd.org [owner-m...@openbsd.org] on behalf of Steve Litt [sl...@troubleshooters.com] Sent: April 2, 2015 5:38 PM To: OpenBSD Misc Subject: What happens to OpenBSD when Secure Boot becomes manditory? Hi all, What happens to OpenBSD when Secure Boot becomes manditory? http://www.pcworld.com/article/2901262/microsoft-tightens-windows-10s-secure-boot-screws-where-does-that-leave-linux.html http://www.pcworld.com/article/2900536/windows-10s-secure-boot-requirement-could-make-installing-linux-a-big-headache.html http://arstechnica.com/information-technology/2015/03/windows-10-to-make-the-secure-boot-alt-os-lock-out-a-reality/ http://news.thewindowsclub.com/microsoft-secure-boot-linux-75539/ http://www.extremetech.com/extreme/201722-linuxs-worst-case-scenario-microsoft-makes-secure-boot-mandatory-locks-out-other-operating-systems http://www.techradar.com/us/news/software/operating-systems/microsoft-s-windows-10-secure-boot-ruling-spells-trouble-for-linux-lovers-dual-booters-1289096 SteveT Steve Litt * http://www.troubleshooters.com/ Troubleshooting Training * Human Performance
