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From: Kees Cook <keescook-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
To: Ard Biesheuvel <ard.biesheuvel-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
Cc: "linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org"
	<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>,
	"linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
	Matt Fleming
	<matt-mF/unelCI9GS6iBeEJttW/XRex20P6io@public.gmane.org>,
	Ted Ts'o <tytso-3s7WtUTddSA@public.gmane.org>
Subject: Re: [PATCH v2 0/3] efi: add support for seeding the kernel RNG from UEFI
Date: Thu, 20 Oct 2016 11:34:13 -0700	[thread overview]
Message-ID: <CAGXu5jLo=UX+Rw8kLZdd+iz+aS2JtwpqoxL=-ZMNXAeLE=Ac5w@mail.gmail.com> (raw)
In-Reply-To: <1476962486-18368-1-git-send-email-ard.biesheuvel-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>

On Thu, Oct 20, 2016 at 4:21 AM, Ard Biesheuvel
<ard.biesheuvel-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org> wrote:
> This implements generic EFI core kernel code to seed the kernel entropy
> pool from a Linux specific UEFI configuration table containing a random seed
> supplied by the firmware. (#1)
>
> In addition, it wires it up for ARM and arm64, by invoking the EFI_RNG_PROTOCOL
> UEFI protocol from the stub, and populating such a UEFI config table using its
> output.

Looks good to me! Now that I understand it. ;)

Reviewed-by: Kees Cook <keescook-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>

-Kees

-- 
Kees Cook
Nexus Security

      parent reply	other threads:[~2016-10-20 18:34 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-20 11:21 [PATCH v2 0/3] efi: add support for seeding the kernel RNG from UEFI Ard Biesheuvel
     [not found] ` <1476962486-18368-1-git-send-email-ard.biesheuvel-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2016-10-20 11:21   ` [PATCH v2 1/3] efi: add support for seeding the RNG from a UEFI config table Ard Biesheuvel
     [not found]     ` <1476962486-18368-2-git-send-email-ard.biesheuvel-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2016-10-20 11:26       ` Ard Biesheuvel
2016-10-20 11:21   ` [PATCH v2 2/3] efi/libstub: add random.c to ARM build Ard Biesheuvel
     [not found]     ` <1476962486-18368-3-git-send-email-ard.biesheuvel-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2016-11-02  9:37       ` Ard Biesheuvel
     [not found]         ` <CAKv+Gu_=et=2zHBTYOr9thz2kS0cXHHYg96oWGRdD3D10fqXtw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-11-15 15:11           ` Arnd Bergmann
2016-11-15 15:19             ` Ard Biesheuvel
2016-10-20 11:21   ` [PATCH v2 3/3] efi/arm*: libstub: invoke EFI_RNG_PROTOCOL to seed the UEFI RNG table Ard Biesheuvel
2016-10-20 18:34   ` Kees Cook [this message]

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