Messages in this thread | | | Date | Tue, 15 Jan 2019 10:17:13 -0500 | From | nayna <> | Subject | Re: [RFC PATCH 2/2] kexec, KEYS: Make use of platform keyring for signature verify |
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On 2019-01-14 21:42, Dave Young wrote: > On 01/14/19 at 11:10am, Mimi Zohar wrote: >> On Sun, 2019-01-13 at 09:39 +0800, Dave Young wrote: >> > Hi, >> > >> > On 01/11/19 at 11:13am, Mimi Zohar wrote: >> > > On Fri, 2019-01-11 at 21:43 +0800, Dave Young wrote: >> > > [snip] >> > > >> > > > Personally I would like to see platform key separated from integrity. >> > > > But for the kexec_file part I think it is good at least it works with >> > > > this fix. >> > > > >> > > > Acked-by: Dave Young <dyoung@redhat.com> >> > > >> > > The original "platform" keyring patches that Nayna posted multiple >> > > times were in the certs directory, but nobody commented/responded. So >> > > she reworked the patches, moving them to the integrity directory and >> > > posted them (cc'ing the kexec mailing list). It's a bit late to be >> > > asking to move it, isn't it? >> > >> > Hmm, apologize for being late, I did not get chance to have a look the >> > old series. Since we have the needs now, it should be still fine >> > >> > Maybe Kairui can check Nayna's old series, see if he can do something >> > again? >> >> Whether the platform keyring is defined in certs/ or in integrity/ the >> keyring id needs to be accessible to the other, without making the >> keyring id global. Moving where the platform keyring is defined is >> not the problem. > > Agreed, but just feel kexec depends on IMA sounds not good.
The platform keyring is not dependent on IMA, it is dependent on "integrity" - CONFIG_INTEGRITY_ASYMMETRIC_KEYS. Other CONFIGS which it needs are CONFIG_SYSTEM_BLACKLIST_KEYRING, CONFIG_EFI.
Thanks & Regards, - Nayna
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