From: "Sébastien RAILLARD (COEXSI)" <sr@coexsi.fr>
To: "'Ralph Metzler'" <rjkm@metzlerbros.de>, <linux-media@vger.kernel.org>
Subject: RE: CI/CAM support for offline (from file) decoding
Date: Thu, 26 Jan 2012 13:50:46 +0100 [thread overview]
Message-ID: <008001ccdc29$2054a5d0$60fdf170$@coexsi.fr> (raw)
In-Reply-To: <20257.17724.917769.890215@morden.metzler>
> -----Original Message-----
> From: linux-media-owner@vger.kernel.org [mailto:linux-media-
> owner@vger.kernel.org] On Behalf Of Ralph Metzler
> Sent: jeudi 26 janvier 2012 13:21
> To: linux-media@vger.kernel.org
> Subject: Re: CI/CAM support for offline (from file) decoding
>
> Kovacs Balazs writes:
> > Yes, i thought about that, but i need the Hardware CAM + CI,
> because > it's chip paired encryption. It means in my situation that
> the EMM and > ECM is also encrypted so it's hard to use in a SoftCam
> configuration.
> >
> > I hope there's a solution in the DVB driver space.
> >
> > I receive the signal via RF or IP. If via RF i think it can be
> decoded > via the HW, and the record it to disk, but i need
> the full TS > decrypted, and i think it's not possible (to decrypt all
> the encrypted > ES which can be 20-30-40 in real time when i receive
> the signal). In > IP configuration it's also not possible. So i have
> the recorded full > TS pieces and somehow i have to decrypt with a
> CAM+Card paired to each > other. Of course i know that the
> decryption is only possible if the > Smartcard has the authorization
> in those date ranges when the files > was recorded. I have seen this
> kind of solution in Windows, but i need > it on Linux now.
>
> Yes, you can do that, but only if the hardware supports it. Most cards
> with CAM/CI are hardwired in such a way that the transport stream comes
> from the demodulator, goes through the CAM/CI and then into the PCIe/PCI
> bridge. There are only a few cards where you can send a TS from memory
> to the CAM/CI and back.
>
> -Ralph
>
>
The "Octopus CI" from "Digital Devices" is the only one I know where you can
input the TS stream directly to the CAM:
http://shop.digital-devices.de/epages/62357162.sf/en_GB/?ViewObjectID=370117
11
>
>
> --
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next prev parent reply other threads:[~2012-01-26 12:50 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-25 17:15 CI/CAM support for offline (from file) decoding Kovacs Balazs
2012-01-25 17:21 ` Kovacs Balazs
2012-01-25 17:57 ` Marek Ochaba
2012-01-25 22:34 ` Kovacs Balazs
2012-01-26 12:21 ` Ralph Metzler
2012-01-26 12:50 ` Sébastien RAILLARD (COEXSI) [this message]
2012-01-26 13:44 ` Kovacs Balazs
2012-01-26 14:18 ` Sébastien RAILLARD (COEXSI)
2012-01-26 13:45 ` Kovacs Balazs
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