Re: [PATCH] losetup: support password hashing and specifying the key length

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On Wed, Aug 29, 2007 at 01:23:42PM -0600, LaMont Jones wrote:
> On Wed, Aug 29, 2007 at 03:25:35PM +0200, Ludwig Nussel wrote:
> > Fine with me. I doubt that removing -N would hurt the debian user
> > base though. I guess noone sane would deliberately use that option.
> 
> The only place I could see someone using it would be if they were
> mounting a volume they had built elsewhere (or were using elsewhere),
> and hadn't rebuilt yet/couldn't rebuild.
> 
> Here's the patch with -N dropped, which is fine by me.

 At first glance this patch seems OK. I assume some negative feedbacks
 from lkml people who hate cryptoloop :-) So.. some questions:

 * how many distributions already support in-losetup hashes?
   (Suse, Debian, ?)

 * the original idea was:  hashprog | losetup -p0 ....
   - why we need built-in hash support?

> Incompatible change:
>     Default is now to hash using sha512.  Debian users will need
      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 Why? Why not 'none'?

>     to specify "--phash rmd160" to access existing Debian devices.
>     Others will need to specify '--phash none'.

    Karel

-- 
 Karel Zak  <kzak@xxxxxxxxxx>
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