On Wed, Sep 19, 2007 at 06:59:00PM +0200, Thomas Bächler wrote:
> Petar Bogdanovic schrieb:
> >> $ sudo losetup -a
> >> $ mount -p 0 /mnt/POOL < /home/petar/keys/POOL.key
> >> ioctl: LOOP_SET_STATUS: No such file or directory
> >
> > Sorry, I forgot this:
> >
> > $ grep /mnt/POOL /etc/fstab
> > /opt/POOL /mnt/POOL ext2 rw,user,noauto,loop,encryption=blowfish128 0 0
>
> I seriously have no idea what to do about that. The version in the repos
> has a cryptoloop patch included (no idea where that is from), the
> version I posted here is an unpatched util-linux-ng version.
>
> I will look into this further.
There is no need for that -- see below. :)
> In the meantime, could you try if you can
> open your volume with cryptsetup? The command would look like
>
> losetup /dev/loop0 /opt/POOL
> cryptsetup create --cipher blowfish --key-size 128 --hash ??? pool
> /dev/loop0
> mount /dev/mapper/pool /mnt/POOL
>
> While the ??? for --hash is whatever losetup used as a hash before (I
> have no idea what it used, maybe someone else can help).
Thanks for pointing me to `--hash'.
I did the same with:
$ sudo losetup -e blowfish128 -H unhashed2 /dev/loop0 /opt/POOL
and it worked. `unhashed2' is part of the `cryptoloop-support.patch' and
this is what it does:
+static void unhashed2_key_setup(unsigned char *keyStr, int ile, unsigned char
*keyBuf, int bufSize)
+{
+ memset(keyBuf, 0, bufSize);
+ strncpy((char *)keyBuf, (char *)keyStr, bufSize - 1);
+ keyBuf[bufSize - 1] = 0;
+}
Just out of curiosity: Who did this patch and what was the reason for
including it?
Thanks & regards,
Petar
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