[arch-projects] [initscripts][RFC] cryptsetup: deprecate old syntax and default to the systemd one

[Tom Gundersen]

On Sun, Jul 29, 2012 at 12:09 AM, Tom Gundersen <teg at jklm.no> wrote:
> Thanks to Heiko for bringing this up, and everyone else for their
> helpful comments. I think I now understand the situation. This is, as
> far as I can tell, not a bug. However, contrary to what I thought,
> this use-case is not yet covered by the new format.
>
> This has been said by others, but just to make sure I get this right:
>
> The size= parameter gives the key size in bits, and there is no
> parameter to specify the keyfile size.
>
> When using PLAIN encryption, the keyfile size (in bytes) is calculated
> from the key size. However, on LUKS encryption this is (obviously) not
> possible, which is what I had not noticed until now.
>
> I suspect that what we need to do is to add a keyfile-size= parameter.

FYI, this was just added upstream:
<http://lists.freedesktop.org/archives/systemd-devel/2012-August/006099.html>.

-t