From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from fep23.mx.upcmail.net ([62.179.121.43]:40974 "EHLO fep23.mx.upcmail.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751241Ab2AZNpJ (ORCPT ); Thu, 26 Jan 2012 08:45:09 -0500 Date: Thu, 26 Jan 2012 14:44:56 +0100 From: Kovacs Balazs Message-ID: <666295992.20120126144456@bitklub.hu> To: =?iso-8859-1?Q?S=E9bastien_RAILLARD?= (COEXSI) CC: "'Ralph Metzler'" , linux-media@vger.kernel.org Subject: Re: CI/CAM support for offline (from file) decoding In-Reply-To: <008001ccdc29$2054a5d0$60fdf170$@coexsi.fr> References: <18710154015.20120125181510@bitklub.hu> <4F20429F.6030003@maindata.sk> <1528925641.20120125233437@bitklub.hu> <20257.17724.917769.890215@morden.metzler> <008001ccdc29$2054a5d0$60fdf170$@coexsi.fr> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Sender: linux-media-owner@vger.kernel.org List-ID: >> -----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 Is this the only solution? I need s2 tuner and IP input (from the motherboard's Ethernet) and record them to file splices. Then (for request) i have to decrypt one or more ES from the recorded file and push them back. It's a DVB monitoring solution. thanks Balazs