AACS Not So Cracked After All - Page 6

You could make the video even if you never did the hack if you wanted to create an hoax.

Recap and commentary on cdrinfo:

AACS Hacker Replies to Controversial Press Comments

Still doesn't make sense. The AACS can change the media block key which would "revoke" players of that type from playing future discs, so most consumers will update the firmware or software of the compromised player or be limited for future releases.

If the compromised movie software is decrypted and distributed thats huge bandwidth and limited to a few titles.

If the goal is to have DeCSS style backup available to home users, one would have to have a dedicated player at your house, that would be revoked for future title playback, so it would not work to copy the releases that didn't have the updated media key. It couldn't play (nor back up new movies)

If this worked it wouldn't help home copying, it could only create a limited way to unencypt a limited amount of movies that could be distributed from a central site for download. That should be easy to shut down than broken DeCSS where anyone with a DVD burner can backup a disc.

So what we still have is a limited vulnerability of a few discs that can only be copied from a drive that would not be able to play future releases. If what he said is not a hoax.

What am I missing here?

Of course, luckily for me the tag is a joke that most in the computer field understand.


lol

glad you liked it. Every once in a while someone gets it

PIBKC is another favorite

PIBKAC ???

Problem is Between Keyboard And Chair?

yeah

I never put the "And" in there though

A "hacker" with a press agent?

Seriously, tho, the talk by some people about all Xbox HD DVD players being "revoked" is complete nonsense.

In that article, even Muslik says "If someone publishes only volume keys, there is no way to know from which player these keys where extracted, making the revocation system useless... - I will just change the player I'm using,"

"This would make that player unable to play new titles," said Muslix64. "But the author of this program can pre-extract a bunch of device keys from different players and release them, one at a time, when the previous one have been blacklisted,"

Revocation of all Xbox player would have no effect whatsoever, and would spark a lot of lawsuits. It is not going to happen... I think that various folks who are promoting this idea have "other agendas" to create a little FUD, perhaps...

Muslik is not making sense to me. If they revoke the current keys to all software-based players, the leak stops, right? Yes, some titles will be in the wild, but that's an understood risk of the AACS system anyway.

EDIT: Oh, nevermind, I should have read the article first. He depends on having a steady stream of insecure players; which, he says, "will always exist." That's a bit of wishful thinking on his part. I think I'd be more impressed if he cracked, say, WMP 11 on Vista 64-bit.

I'm going to ask this again: Has anyone actually FOUND the keys? Because so far I haven't heard of anyone doing it. Until someone duplicates this effort, it's just a bunch of hot air.

I would be even more impressed if even one, I repeat one, title key was somehow made public (plain manila envelope, cut out newspaper letters ??) and anyone, somebody, could duplicate his results.

Even with no one being able to find the keys in the manner he has said he has done, no one has even demonstrated that a single key has been compromised.

His video proves nothing, you can cut and past that video from legitimate still secured authorized playback.

Every day goes by and it smells more like a hoax.

you mean like this entire "what if" from muslix?

I am very skeptical about what Muslix64 has accomplished so far.

OTOH, I believe that if the source code for any HD DVD or BD software player was widely circulated on the net it would be a very short time before we were all ripping them. This should be provably true since the players obviously contain all needed info to decode a disc of either format. If we could easily read and understand that info then we'd have it too.

But, if so, then the time to crack either is bounded only by the time to dis-assemble. And this in turn is bounded only by the limited interest in these formats so far and the limited number of hackers making the effort.

So it is just a matter of time. I just don't think that time has come yet.

- Tom (who is NOT working on it)

128 bit keys

Somewhere between publicity stunt and far worse, in my humble opinion.


I don't think this is accurate. You'd still need keys of all sorts. I am not sure, as I am not an AACS guru. Otherwise, wouldn't you just be doing what Muslix has done; build a keyless decoder?

May be he thinks he has exposed a chink in the armor of AACS i.e. he thinks if you (somehow) hack and get title keys (or is that volume), AACS will not be able to correct itself. And ofcourse he says he has been able to hack and get the keys.

According to this thread:
http://www.avsforum.com/avs-vb/showthread.php?t=774256

There is a text file on The Hulk HD-DVD disc that contains the keys. Could it be that easy? Has anyone tried this?

No.

It looks like some progress has been made...
http://forum.doom9.org/showthread.php?t=119871&page=27

It looks like it's WinDVD that is "leaking".

Diogen.

Prof. Felten has his analysis of AACS on his site "Freedom to Tinker".
It's a 3-part article with the next part coming tomorrow. Interesting read: blacklisting, revocations, decryption oracle, traitor tracing, etc.

The first response to the first part of this series (probably shortly after the article was published) is from DVD-Jon: pointing out that no keys were provided with the BackupDVD code. Is he Muslix?

Diogen.

"AACS is unbreakable!"... NOT!

To be fair, it hasn't been broken. They exploited the fact that the application apparently left the keys in memory.

-pd

There are now volume keys posted at that doom9.org thread for Serenity, King Kong, and 12 Monkeys.

IT HAS BEGUN
THERE IS NO FATE BUT WHAT WE MAKE FOR OURSELVES
THE FUTURE IS NOT SET

That one has been selling well pretty consistently on Amazon. It will be interesting to see if that continues.

I wonder how this information affects the conspiracy theory talk. If this guy's goal was to just hurt HD DVD before CES, it seems like he would have given people some more clues and not allowed it to take as long as it did for them to realize they were making a false assumption about what he did (at least from my understanding of it).

--Darin

Yes the news is that people are now sharing all the HD-DVD movies over **********.


Wow. Good for Blu-ray I guess and BD+ and ROM mark.

edit, OMG the word "***torrent" is blacked out here??

As you can't burn the files onto HD DVD-R (because there are no burners) I can't imagine that it will make a massive amount of difference.

The only way to play this is on a properly equipped PC, not a standalone. The real danger will be a dual layer DVD re-encode using x264, and even then you'll still need a mighty PC to play it.

So essentially what do we have? Lower quality pirated HD movies. The thing is that with 16mbps h.264 direct satellite feeds cropping up on Usenet, there is already a thriving pirate scene with HD content of excellent quality.

Actually there is no hack. Windvd put the title key in clear memory. That is all. I would be more interested that someone could get the title key from Powerdvd. Obvisouly, nobody could for the past week and it was only on XP.


Windvd's device key and sequence key will be revoked right away. If AACS is really serious, they shouldn't handle out key to software until Vista PVP is used.

You are missing the point. ROM mark does nothing against this internet distribution or BD-R/RE. BD+ isn't deployed yet.

Windvd first has the bluray version. If those guy could afford the >$500 bluray burner, we will see bluray copy on the net first. Actually, I am very sure we will see Black Hawk Down in the usenet soon.

"What's with all the crappy titles?!!!"

Now you know.

Universal must be scared to death at this point.

Are you saying all studios will be scared to death just because windvd put title key in the clear?

If a flood of their (edit: all studios') titles starts to appear on the P2P, yes I think their will be a pause. I doubt any title about to be pressed now will go ahead until the keys are updated. From the release lists, it would seem this could harm BD more than HD DVD.

Universal, by concensus, has put out the most high quality titles. All of which are currently at risk of being put in the clear.

Gary