Re: How to embed luks-key in dracut initramfs?

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24.05.2018 22:05, dat_boi@xxxxxxxxxxx пишет:
> Thank you Andrei, this helps some. However, it appears I would need to put
> the key on an external USB? With other init systems it is possible to
> embed the key completely inside the rootfs so that I only have to type my
> passphrase once (At Grub2, unlocking the encrypted /boot). 

Yes, it works more or less the same. You just need to tell dracut to add
key file to initrd.

> Once done the
> init script calls an embedded lukskey inside the rootfs bypasssing the
> need to re-type a second passphrase.
> 
> Arch wiki also describes this method with their init system:
> https://wiki.archlinux.org/index.php/Dm-crypt/Encrypting_an_entire_system#Creating_the_keyfiles
> 
> My Google-fu is failing me on how to do this exactly with dracut.
> 

man dracut.conf

install_items+=" /path/to/your/key "

>> 13.05.2018 07:09, dat_boi@xxxxxxxxxxx пишет:
>>> Hello,
>>> I was wondering if it possible to embed a luks-key inside the initramfs?
>>
>>
>> Yes, I have done it as proof of concept.
>>
>> https://forums.opensuse.org/showthread.php/525192-How-to-automatically-unlock-LUKS-encrypted-root-with-a-keyfile-from-a-USB?p=2826976#post2826976
>>
> 
> 
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