> Alain M. wrote:
> > Do you nean that if I hava an image (generic, 500dpi, 8bits, gray scale)
> > I cannot feed it to fprint????
>
> Yes. It was intentionally made this way to make sure that all drivers
> are open source and kept within fprint.
Sometime ago I was working in OpenSC, a project to handle cryptographic
cards. Some similar problem arised with proprietary cards and reader drivers
Our solution was to provide a generic interface to the driver layer, and
define a "generic" card: a simply wrapper to talk via socket (or dll, or so)
with a propietary driver...
Same concepts may apply here: In our project, it's not enought to tell
yes or no to a PKI certificate match: proprietary driver _must_ comply
with interface API. In fprint is not enought to tell "image match":
proprietary driver should comply libfprint driver api.
As LGPL allows linking with proprietary drivers no problem should arise
( having in mind that driver code cannot be mixed with fprint code, just
being dll'd or connected via "generic driver socket interface" -or so-).
The problem and headaches relies on provider of proprietary driver:
fprint only grants that API is exposed. I'ts provider bussiness to get care
on being up-to-date with api changes and related problems... As in
OpenSC case, most proprietary driver providers choose (with some
minor reluctant exceptions ) to get their drivers free, to allow integration
with main project, and forget update API integration tasks
So my proposal is ¿why not provide and expose a generic driver API to
allow proprietary (or free) fingerprint readers drivers to connect with
libfprint?.
Juan Antonio
(Some day my Dell's AES2810 will be supported... :-( )
PS: not related, but I've seen that upcoming Fedora 11 features
parallel pam stacks to allow multiple simultaneous ways to
authenticate, and integrates OpenSC, fprint and so...
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