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From: Matt Fleming <matt@codeblueprint.co.uk>
To: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>,
	"linux-efi@vger.kernel.org" <linux-efi@vger.kernel.org>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 1/2] efi: add support for seeding the RNG from a UEFI config table
Date: Wed, 19 Oct 2016 12:22:43 +0100	[thread overview]
Message-ID: <20161019112243.GD31476@codeblueprint.co.uk> (raw)
In-Reply-To: <CAKv+Gu9g1W8EfnJN2Y_Xgo=QKC1gHa95rjO32Dqt4uT+amzhnQ@mail.gmail.com>

On Wed, 19 Oct, at 12:13:55PM, Ard Biesheuvel wrote:
> On 19 October 2016 at 12:09, Mark Rutland <mark.rutland@arm.com> wrote:
>
> > I think to some extent this mush be treated as an ABI, given cases like
> > kexec.
> >
> 
> Perhaps, yes. That would also allow GRUB or other EFI aware
> bootloaders to generate the seed.

If we're going to go down this route, we should try and get the GUID
into the UEFI spec.

WARNING: multiple messages have this Message-ID (diff)
From: matt@codeblueprint.co.uk (Matt Fleming)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/2] efi: add support for seeding the RNG from a UEFI config table
Date: Wed, 19 Oct 2016 12:22:43 +0100	[thread overview]
Message-ID: <20161019112243.GD31476@codeblueprint.co.uk> (raw)
In-Reply-To: <CAKv+Gu9g1W8EfnJN2Y_Xgo=QKC1gHa95rjO32Dqt4uT+amzhnQ@mail.gmail.com>

On Wed, 19 Oct, at 12:13:55PM, Ard Biesheuvel wrote:
> On 19 October 2016 at 12:09, Mark Rutland <mark.rutland@arm.com> wrote:
>
> > I think to some extent this mush be treated as an ABI, given cases like
> > kexec.
> >
> 
> Perhaps, yes. That would also allow GRUB or other EFI aware
> bootloaders to generate the seed.

If we're going to go down this route, we should try and get the GUID
into the UEFI spec.

  reply	other threads:[~2016-10-19 11:22 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-06 10:27 [PATCH 0/2] efi: add support for seeding the kernel RNG from UEFI Ard Biesheuvel
2016-10-06 10:27 ` Ard Biesheuvel
     [not found] ` <1475749646-10844-1-git-send-email-ard.biesheuvel-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2016-10-06 10:27   ` [PATCH 1/2] efi: add support for seeding the RNG from a UEFI config table Ard Biesheuvel
2016-10-06 10:27     ` Ard Biesheuvel
2016-10-19 11:02     ` Matt Fleming
2016-10-19 11:02       ` Matt Fleming
2016-10-19 11:09     ` Mark Rutland
2016-10-19 11:09       ` Mark Rutland
2016-10-19 11:13       ` Ard Biesheuvel
2016-10-19 11:13         ` Ard Biesheuvel
2016-10-19 11:22         ` Matt Fleming [this message]
2016-10-19 11:22           ` Matt Fleming
     [not found]           ` <20161019112243.GD31476-mF/unelCI9GS6iBeEJttW/XRex20P6io@public.gmane.org>
2016-10-19 20:14             ` Kees Cook
2016-10-19 20:14               ` Kees Cook
     [not found]               ` <CAGXu5jJ-KTVJLwAp6iZ-tp5AKnAzSHz80yZkg4dh3uYDz3MsJw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-10-19 20:18                 ` Ard Biesheuvel
2016-10-19 20:18                   ` Ard Biesheuvel
     [not found]                   ` <CAKv+Gu92dC6BK7Adb2xLvPwNXv=z15A0zhss_XVNfd+r0NA0SA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-10-19 20:20                     ` Kees Cook
2016-10-19 20:20                       ` Kees Cook
     [not found]                       ` <CAGXu5jKx5cvZsBwC1AJZ3Q4CCn-nxD3Jejs5irQLRan+j305Cw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-10-19 20:35                         ` Ard Biesheuvel
2016-10-19 20:35                           ` Ard Biesheuvel
2016-10-06 10:27   ` [PATCH 2/2] efi/arm*: libstub: invoke EFI_RNG_PROTOCOL to seed the UEFI RNG table Ard Biesheuvel
2016-10-06 10:27     ` Ard Biesheuvel

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