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Re: LUKS key on USB

From: John Lane
Subject: Re: LUKS key on USB
Date: Wed, 26 May 2021 22:25:10 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.6.0

Hello Chris,

I don't know if this will help you but I provided support for keyfiles
on USB sticks some time ago. It hasn't made it into Grub but you may
find what's there useful

On 25/05/2021 10:39, Christopher Oneal wrote:
> Hello all,
> currently I have a working LUKS encrypted /boot ( and / for that
> matter ).
> For my other LUKS encrypted filesystems I am switching to using a
> keyfile on an external drive (instead of using a password).
> However each time at boot GRUB asks me for the password (which is an
> excellent fallback in this scenario).
> But I am wondering, is it possible to use a keyfile on a USB drive,
> instead of using a password, to unlock GRUB at boot?
> Thank you in advance.
> Cheers,
> Chris

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