[Matroska-devel] Re: Dirac Video Codec

Steve Lhomme steve.lhomme at free.fr
Wed Oct 6 09:24:27 CEST 2004


Paul Bryson a écrit :
>>The stars so gaily glistened... (Tue, 05 Oct 2004 13:14:31 +0200 @510)
>>...while the fading voice of Steve whispered through the darkness:
>>
>>??>> I just thought that good EBML library, would have some callbacks or
>>??>> some gates to master application, so application would provide 
>>decoder
>>??>> (here - password-using decrypter) and thus will generate derived EBML
>>??>> sub-stream.
>>
>>SL> Yes, we actually need something like that in Matroska too. I would
>>SL> really like to have a good DRM solution in Matroska. And that implies
>>SL> encrypting some parts of the stream.
> 
> 
> I'm not sure how you are differentiating from the current built in specs for 
> encryption.  These could easily be used as a DRM solution if someone so 
> desired.  Currently it allows encrypting just the tracks private data or all 
> of the Blocks individually.

Nop, signature != encryption. And what we have now is only signature 
without encryption. That means you can discard it and still use the file 
as-is.



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