Windows 8's use of the UEFI Secure Boot

Colin Watson cjwatson at
Mon Sep 26 18:49:57 UTC 2011

On Sun, Sep 25, 2011 at 11:47:19AM +0800, Goh Lip wrote:
> I have it running in BIOS msdos partitioned disk and it gets booted
> up by grub2. I'll bet it will run in UEFI gpt partitioned disk and
> be able to be booted up by grub2. (an article claimed it can only be
> booted on UEFI gpt partition - it may happen the 'final release'
> could -doubt so- but the 'developer preview' doesn't.)

I'm pretty sure that, by the time all this reaches final deployment,
GRUB 2 will not be able to boot Windows 8 under UEFI.  That would be far
too easy a workaround ...

> If another article claims that the security feature is a UEFI
> feature and not Microsoft related, note that grub2 is CA-certified
> and this implies grub2 can boot Windows 8. (grub-legacy is not
> CA-certified)

I'm a GRUB 2 developer and I have no idea what that means.  Could you


Colin Watson                                       [cjwatson at]

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