RE: CI/CAM support for offline (from file) decoding

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 




> -----Original Message-----
> From: linux-media-owner@xxxxxxxxxxxxxxx [mailto:linux-media-
> owner@xxxxxxxxxxxxxxx] On Behalf Of Ralph Metzler
> Sent: jeudi 26 janvier 2012 13:21
> To: linux-media@xxxxxxxxxxxxxxx
> 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


> 
> 
> --
> To unsubscribe from this list: send the line "unsubscribe linux-media"
> in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo
> info at  http://vger.kernel.org/majordomo-info.html

--
To unsubscribe from this list: send the line "unsubscribe linux-media" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux Input]     [Video for Linux]     [Gstreamer Embedded]     [Mplayer Users]     [Linux USB Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [Yosemite Backpacking]
  Powered by Linux