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An alleged copy of an Ultra HD Blu-Ray disc has appeared online, leading to speculation that AACS 2.0 has been cracked:
While there is no shortage of pirated films on the Internet, Ultra-high-definition content is often hard to find. Not only are the file sizes enormous, but the protection is better than that deployed to regular content. UHD Blu-Ray Discs, for example, are protected with AACS 2.0 encryption which was long believed to unbreakable.
A few hours ago, however, this claim was put in doubt. Out of nowhere, a cracked copy of a UHD Blu-Ray Disc surfaced on the HD-focused BitTorrent tracker UltraHDclub. The torrent in question is a copy of the Smurfs 2 film and is tagged "The Smurfs 2 (2013) 2160p UHD Blu-ray HEVC Atmos 7.1-THRONE." This suggests that AACS 2.0 may have been "cracked" although there are no further technical details provided at this point. UltraHDclub is proud of the release, though, and boasts of having the "First Ultra HD Blu-ray Disc in the NET!"
[...] If the encryption has indeed been broken it will be bad news for AACS, the decryption licensing outfit that controls it. The company, founded by a group of movie studios and technology partners including Warner Bros, Disney, Microsoft and Intel, has put a lot of effort into making the technology secure.
"Atmos" refers to Dolby Atmos (see PDF list).
[Update: It is fitting to note that one of our most prolific story submitters happened to garner submission number 20,000! Congrats and many thanks to Takyon, and to all the rest of the SoylentNews community who have made this achievement possible. --martyb]
(Score: 3, Interesting) by epitaxial on Thursday May 04 2017, @05:40PM (5 children)
x265 should really help high resolution video. A 30 minute tv show encoded at 1080p with x265 is under 200Mb.
(Score: 3, Insightful) by takyon on Thursday May 04 2017, @05:57PM
720p is the sweet spot for me. Acceptable quality -- to the point where I doubt I'd need better for anything other than VR (TV/laptop/phone at a few inches distance), maximum quality my laptop could display anyway (I'm in the shitty 768p club), and much easier to decode than H.265 1080p on a 2011 CPU. Even smaller file sizes, with less than 100 MB possible for 22 minute content (as far as I can recall).
I have embraced the advice from that one troll and just stream almost everything nowadays. It's legal!
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(Score: 0) by Anonymous Coward on Thursday May 04 2017, @06:02PM
> A 30 minute tv show encoded at 1080p with x265 is under 200Mb.
That bitrate might be ok for a talking-head kind of show like jimmy kimmel or animation.
But anything like a regular tv show is still going to look crappy at that bitrate.
A lot better than h264 at that bitrate, but still crappy.
(Score: 2) by kaszz on Friday May 05 2017, @01:07AM (2 children)
200 Mbit or 200 MByte?
(Score: 2) by takyon on Friday May 05 2017, @01:38AM (1 child)
200 MB aka 200 megabytes aka 200 million bytes.
We are doomed to see this mistake forever.
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(Score: 2) by kaszz on Friday May 05 2017, @01:51AM
Almost on par with "400 mhz" hmm.. 400 Mhz or perhaps 400 millihertz. Who knows! ;-)
Then it's that thing with base. 1000 000 or 1048 576 bytes.