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From: Aaron Lehmann <aaronl@vitelus.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Andre Hedrick <andre@linux-ide.org>,
	James Simmons <jsimmons@transvirtual.com>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [OT] DRM OS
Date: Tue, 18 Dec 2001 11:53:42 -0800	[thread overview]
Message-ID: <20011218115342.A23308@vitelus.com> (raw)
In-Reply-To: <20011214163235.A17636@vitelus.com> <200112181617.fBIGHJQ16815@pinkpanther.swansea.linux.org.uk>
In-Reply-To: <200112181617.fBIGHJQ16815@pinkpanther.swansea.linux.org.uk>

On Tue, Dec 18, 2001 at 04:17:19PM +0000, Alan Cox wrote:
> encrypted music fed to an encrypted audio controller to speakers which
> decrypt and add watermarks

Write a program that decrypts it. If the speakers can, so can the CPU.
Remeber DeCSS?

> encrypted video decrypted and macrovision + watermarked only in buffers
> the CPU cant access

Again, if weird hardware can decrypt it, so can the CPU. It only takes
one reverse-engineering.

> audio input that has legally mandated watermark checks and wont record
> watermarked data.

I haven't seen any serious watermarks presented.

> That is the dream these people have. They'd also like the OS to scan for
> "illicit" material and phone the law if you do, and to have a mandatory
> remote shutdown of your box

It's scarier than CSS.

  parent reply	other threads:[~2001-12-18 19:54 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-12-13  4:00 [OT] DRM OS James Simmons
2001-12-13  4:07 ` Matt
2001-12-13 13:38 ` Rik van Riel
2001-12-14  9:15 ` Andre Hedrick
2001-12-15  0:32   ` Aaron Lehmann
2001-12-17  6:10     ` TimO
2001-12-18 16:17     ` Alan Cox
2001-12-18 18:54       ` James Simmons
2001-12-18 19:06         ` Andre Hedrick
2001-12-18 19:53       ` Aaron Lehmann [this message]
2001-12-18 20:05         ` Dave Jones
2001-12-18 20:10           ` Aaron Lehmann
2001-12-18 20:25             ` Dave Jones
2001-12-18 20:45               ` H. Peter Anvin
2001-12-19 10:39               ` Helge Hafting
2001-12-18 20:44             ` Rik van Riel
2001-12-18 20:56               ` Gábor Lénárt
2001-12-19 21:49                 ` Thomas Dodd
2001-12-20 22:40             ` Marco Ermini
2001-12-21 16:38               ` Brendan Pike
2002-01-02 22:13     ` Chris Friesen
2002-01-02 22:30       ` Alan Cox
2002-01-03  1:52       ` Andre Hedrick
2002-01-03 11:10         ` Henning P. Schmiedehausen
2001-12-13 14:21 Thomas Hood
2001-12-13 15:33 Jesse Pollard

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