Hi! > > > > "There have some functions be locked-down because > > > > there have no appropriate mechanisms to check the > > > > integrity of writing data." > > > > https://patchwork.kernel.org/patch/10476751/ > > > > > > So your goal is to make hibernation compatible with kernel > > > lockdown? Do your patches provide sufficient security that hibernation > > > can be enabled with kernel lockdown? > > > > OK, maybe I am dense, but if the key comes from user space, will that > > be enough? > > > Good point, we once tried to generate key in kernel, but people > suggest to generate key in userspace and provide it to the > kernel, which is what ecryptfs do currently, so it seems this > should also be safe for encryption in kernel. Safe against what kind of attack? Please describe what kind of security you are trying to provide. I don't think generating key in userspace is good enough for providing guarantees for secure-boot. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
Attachment:
signature.asc
Description: Digital signature
