Hey All,
Thanks a lot for the replies. I have the development keys. But the
algorithm and some intellectual property needs to be licenced from the
4C entity guys to implement it. As of now I just want to test the CPRM
functionality. So licensing the algo for a prototype testing is a huge
cost.
That is why I was looking for an already implemented solution -
hardware/software - so that I can just test. If it does not suite our
needs, then I have just paid for a chip only and not for a whole
license.
Seems like there is no other way out than shelling out money for the
license. :(
Thanks anyways,
Midhun.
On 7/30/07, Alan Cox <[email protected]> wrote:
> On Mon, 30 Jul 2007 11:20:58 +0530
> "Sriram, Kannan" <[email protected]> wrote:
>
> >
> > Midhun,
> >
> > There is no open-source implementation of CPRM (SD-Audio/ SD-Bind
> > standards). So first of all, you need to license keys from 4C (device
> > keys, media keys etc) and do your own implementation.
>
> Also remember that if you do your own implementation in the kernel you
> will be required to publish the source code under the GPL and that will
> not be permitted with the CPRM licensing. Thus you will need to do all
> the work in user space.
>
>
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