[fprint] libfprint and nodejs/node-red

[Vasily Khoruzhick]

On Wed, Nov 4, 2015 at 11:34 AM, Thilo Cestonaro <thilo at cestona.ro> wrote:
> Am 04.11.2015 um 11:38 schrieb Thilo Cestonaro:
>>>>
>>>> Is it just, that the docu is not up to date or are theses functions not
>>>> yet for use?
>>>
>>> Docs aren't up to date. And I'd recommend using fprintd instead of
>>> libfprint, that's a proper way of sharing fingerprint scanner between
>>> applications.
>>>
>> fprintd and its dbus interface will work, I guess!
>> Thanks for the hint.
>
> fprintd doesn't seem to be the correct way to go for me.
> I don't favour, that it saves the data itself and coupled with an username.
>
> So I did implement it using fp_async_*_start, fp_async_*_stop which
> works pretty nicely after I used fp_handle_events_timeout as fprintd does.
>
> Is there a capture-only function respectively are there offline matching
> functions?

You can capture an image, but can't feed it back to libfprint, it was
done intentionally to prevent
appearance of binary drivers.

> So someone could capture it's fingerprint (for verification or
> identification) at Host-A and match (verify/identify) it on Host-B which
> doesn't have a fp-reader (Serverside matching)?

> If someone is interessted in testing or any comments to the code:
>
> Backend which includes the c++ code:
> https://github.com/ephraim/node-fingerprint
>
> Frontend for node-red:
> https://github.com/ephraim/node-red-node-fingerprint
>
> Thanks Vasily for taking the time!
>
> Regards,
> Thilo
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