gconcat/gbde DVD encryption problem

[RW]

On Mon, 18 Dec 2006 17:01:21 +0000
RW <fbsd06 at mlists.homeunix.com> wrote:

> On Monday 18 December 2006 14:28, Pawel Jakub Dawidek wrote:
> > On Mon, Dec 18, 2006 at 01:22:13PM +0000, RW wrote:
> 
> > > # gbde attach /dev/concat/datadvd
> > > Enter passphrase:
> > > gbde: Attach to concat/datadvd failed: could not access consumer
> > >
> > >
> > > The same problem exists on a newly created disk, so it probably
> > > not corruption. And if I copy the two file to hard disk it
> > > works.  It just seems to be a problem when they are on the DVD.
> > >
> > > Any ideas on how to fix this. I'm not particularly bothered about
> > > the existing disks, but I'd like to create some new ones.
> >
> > The problem is because gbde(4) tries to open provider read-write,
> > which is not possible ...
> I'm aware that I can work around it by copying the files to a  hard
> disk, but two years ago this worked with the data on the DVD without
> any problems.

So is that it? Is it no longer possible to create an encrypted
CDR or DVD+/-R?

Does the equivalent method work with GELI?