Messages in this thread |  | | From | Gabriel C <> | Date | Mon, 16 Apr 2018 00:35:33 +0200 | Subject | Re: [RFC] Passing luks passphrase from grub to systemd |
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2018-04-15 21:06 GMT+02:00 Hansjoerg Lipp <hjlipp@web.de>: > Hello, >
Hello,
> as I'm stuck with a (non-EFI x86_64) system with encrypted root > partition, I have to enter the passphrase twice (grub needs it for > getting the kernel etc., systemd needs it for mounting the root > partition). This can be quite inconvenient, especially if the passphrase > is long and contains special characters, and grub assumes a different > keyboard layout. > I therefore developed a proof of concept code allowing grub to pass the > passphrase to the kernel and systemd to get the passphrase from the > kernel. See the description and patch for the Linux part and the link to > all changes below. > > I'm presenting my code here because I'd like to know if something like > this might be useful also for other people (and further development > might be sensible). I'd also be thankful for comments how this might be > implemented in a better way.
Somethng like this is not needed. All that is possible already from userspace.
Systemd can do that on his own ( see systemd-cryptsetup-generator ) ( other init ofc too ) assuming your initrd , cryptsetup and grub is setup correctly.
Regards,
Gabriel C
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