Messages in this thread |  | | Date | Wed, 11 Jun 2014 03:22:22 +0100 | From | Matthew Garrett <> | Subject | Re: [PATCH 0/4] KEYS: validate key trust with owner and builtin keys only |
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On Tue, Jun 10, 2014 at 09:24:53PM -0400, Mimi Zohar wrote: > On Tue, 2014-06-10 at 22:40 +0100, Matthew Garrett wrote: > > The hole is that the system trusts keys that you don't trust. The > > appropriate thing to do is to remove that trust from the entire system, > > not just one layer of the system. If people gain the impression that > > they can simply pass a kernel parameter and avoid trusting the vendor > > keys, they'll be upset to discover that it's easily circumvented. > > Assuming I remove all the keys I don't trust, there are still keys that > are trusted while booting, but are not necessary afterwards. We should > be able to limit the scope of where and when keys are trusted.
Providing a userspace mechanism for selectively dropping keys from the kernel seems like a good thing?
-- Matthew Garrett | mjg59@srcf.ucam.org
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