UEFI secure boot
bstanle at wowway.com
Mon Sep 26 20:04:01 UTC 2011
On 09/26/2011 02:53 PM, Colin Watson wrote:
> On Fri, Sep 23, 2011 at 02:13:29PM -0500, Billie Walsh wrote:
>> On 09/23/2011 12:58 PM, Frank wrote:
>> From: http://en.wikipedia.org/wiki/Unified_Extensible_Firmware_Interface
>> Linux has been able to use EFI at boot time since early 2000, using
>> the elilo EFI boot loader or, more recently, EFI versions of GRUB.
> I'm afraid that's not relevant.
> The recent news pertains to a new release of UEFI, version 2.3.1, which
> introduces "secure boot" as an optional feature (although one we would
> not be surprised to see many OEMs enable by default). Sure, GRUB can
> boot under such a system - if you get it signed by an authorised key,
> implying that you can't effectively install a modified version, or if
> you disable "secure boot" in your firmware setup, which not only sounds
> bad but it seems may well also impede dual-booting Windows.
That brings up another issue...
Often when you upgrade Ubuntu the grub boot-loader is modified. Would
changes to GRUB would be forbidden? How would the Ubuntu upgrade work?
This assumes that you can get Ubuntu to boot in the first place.
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