I thought I'd put this in here although it started in the DBOX room.

An interesting read:

Interesting reading.

6.2 The search for known plaintext

As stated its only the lack of fixed plaintext that is preventing this being broken.

No one provider has a weakness but the fact that several providers are broadcasting, i wonder if it might be better to look at same streams from different providers. Look for similarities/anomolies.

All good though.

I see they considered an attack using a COPACOBANA.

http://www.copacobana.org/gallery.html

A day to recover a key, well I suppose watching the TV a day behind is better than nothing .