On Wed, Sep 19, 2007 at 10:05:16AM +0200, Thomas Bächler wrote:
> Petar Bogdanovic schrieb:
> > since I upgraded util-linux (to core/util-linux-ng; a few minutes ago),
> > losetup requires each passphrase to be at least 20 characters long. My
> > passphrases are shorter and they were working with util-linux -- how can
> > I convert them?
> 
> I see your problem now. While I should be able to fix this later
> (hopefully), there are a few things you should know about cryptoloop:
> 
> - There is no guarantee of compatibility across different distributions
> or even versions. There have been many reports of breakage after updates
> on many distributions. There is no standardization behind cryptoloop and
> thus you will eventually be unable to read your encrypted data.
> - Nobody likes cryptoloop, the kernel guys want it out of the kernel,
> the util-linux-ng guys want it out of losetup.
> - You should be able to open cryptoloop volumes with cryptsetup and
> dm-crypt instead (cryptsetup create) if you find the right options, this
> should be a lot safer than using losetup.
> - If you _really_ want to use encryption, you should use cryptsetup and
> LUKS, which ensures compatibility to future versions due to
> standardization. However, you have to re-create your encrypted volumes,
> as the on-disk format is incompatible to the losetup stuff.

Thanks, I wasn't aware of that. At least the first note would make a
great man-page addition. :)


Kind regards,

Petar

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