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Re: Universal Secure Boot bootloader?
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From: |
David Balažic |
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Subject: |
Re: Universal Secure Boot bootloader? |
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Date: |
Mon, 11 May 2020 20:05:31 +0200 |
On Mon, 11 May 2020 at 09:32, Steve <address@hidden> wrote:
>
> A Secure Boot UEFI BIOS can only boot signed UEFI boot files.
> If it could boot to any other type of boot file then it wouldn't be secure!
> If you disable Secure Boot, then you can UEFI-boot to unsigned UEFI boot
> files.
Yes, but if I use the Kaspersky UEFI shim, then I can "chainload" unsigned code.
>
> Legacy\MBR BIOSes can only boot via the old Legacy BIOS methods.
This is not 100% true. Using Clover EFI bootloader (or others, like
rEFInd) it is possible to boot UEFI software on legacy systems (that
only have legacy BIOS).