[Ffmpeg-devel] Re: HDTV, patents, DRM

[Mike Melanson]

M?ns Rullg?rd wrote:
> Mike Melanson <mike at multimedia.cx> writes:
> 
> 
>>Dave Dodge wrote:
>>
>>>True, though the content providers keep trying to add a "broadcast flag"
>>>to the system.
>>
>>	I think this is a big factor that holds up adoption of HD content-- 
>>providers aren't willing to throw the switch unless they have some
>>assurance that the consumers can't save the raw data wholesale (I
>>know, it's a pipe dream on their part).
> 
> 
> A good conditional access system makes it hard enough that nobody will
> do it, even if it can be done in principle.  Nobody has computers
> powerful enough to crack a key of 100 or so bits every 10 seconds.

	I must not understand this particular cryptosystem very well-- why 
would they need to crack the key? Surely, the key must be available some 
other way?

-- 
	-Mike Melanson