[linux-dvb] Re: TT-budget+ Smart card reader + PIII 700?

[Giuseppe La Rosa <larosa@mail.eng.it>]

> Giuseppe La Rosa writes:
>  > So, it could be possible to implements simple CA systems in the
non-budget
>  > cards using this functionality of the AV7110? Cause I've noted in the
>  > dvb_demux.c this:
>  >
>  >         if (dvbdmxfeed->descramble)
>  >                 return -ENOSYS;
>  >
>  > and I deduced that this functionality wasn't available in the demux. So
I've
>  > tried elsewhere in the VES1893, and I've made the mistake that you
>  > explained.
>  > What does it means? That the functionality is present but is not used
in the
>  > driver implementation?
>
> The functionality would have to be implemented into the firmware.

And who could do this?Siemens?Texas Instruments?
Do you think that they will do, if asked?

>
>  > Do you think that could be activated? What I think is that, if is
present,
>  > should not be difficult to activate and use it. Form the demux part, it
must
>  > be only written the functions to tell what control words have to be
used.
>  > The rest is to make some software that implements the CA System part
that
>  > manage ECM and EMM.
>
> The various CA systems are littered with patents and trade secrets.
> Any product implementing them would have to get the proper licenses.
> I am certainly not going to step into this legal minefield.

Also for 'Remotely Keyed Encryption Schemes'  of cryptolabs?
>
>
> Ralph
>
>
>

Pino



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