On 23-Feb-2010, at 23:45, Tim Dobson wrote:

> A few people seem to be getting a bit peeved by Some iPlayer developments 
> designed to prevent them watching iPlayer via their XMBC media centre...
> 
> http://www.bbc.co.uk/dna/mbiplayer/F7331806?thread=7320127
> 
> Does this affect anyone here?

Are they really “designed” to prevent them watching iPlayer via XMBC? :)

The streaming servers have enabled SWF Verification, which makes absolutely no 
sense (beyond some minor inconvenience).

See:

http://nevali.net/post/405581340/adobe-swf-verification

Google for “Genuine Adobe Flash Player hmac” if you want the gory details on 
how it works (or rather, doesn’t in this deployment scenario).

XMBC will very likely catch up. SWF Verification is designed to prevent 
leeching streams where (for example) the player SWF is behind a paywall or 
similar (i.e., you don’t have access to it in order to hash its content); given 
that this doesn’t apply to iPlayer users within the UK, there’s no real reason 
why support can’t be patched in pretty easily.

M.


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