Wow, this is a serious hack. Everyone can now sniff and decrypt GSM calls with some cheep old phones. The tools and the new faster rainbow tables discussed can be found here: <a href="http://srlabs.de/research/decrypting_gsm/" rel="nofollow">http://srlabs.de/research/decrypting_gsm/</a>
The (released) videos are new. The discussion about the hack itself was on HN previously at <a href="http://news.ycombinator.com/item?id=2049026" rel="nofollow">http://news.ycombinator.com/item?id=2049026</a>.