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List:       grub-help
Subject:    Re: Universal Secure Boot bootloader?
From:       David_Balažic <xerces9 () gmail ! com>
Date:       2020-05-11 18:05:31
Message-ID: CAPJ9Yc8Hf98vx6kuvioAcex0VXJnK2UYNdjosywix8_+2vRAFw () mail ! gmail ! com
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On Mon, 11 May 2020 at 09:32, Steve <steve@easy2boot.com> 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).

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