Do you have a reference? I don't remember reading that SACD was encrypted. What I DO remember is that the reason there's no standard SACD or DVD-A digital interface is because the Industry wants that digital interface to be encrypted.

-TD



From: Nomen Nescio <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
Subject: Re: Idea: The ultimate CD/DVD auditing tool
Date: Mon,  7 Jul 2003 07:30:05 +0200 (CEST)

Thomas Shaddup writes:
> As a welcomed side effect, not only we'd get a device for circumvention of
> just about any contemporary (and possibly a good deal of the future ones)
> optical media "protections"


This is only for the minimal forms of "protection" which are designed to
work with existing CD/DVD players.   If you look at the new audio formats
like SACD, they use encrypted data.  All your lasers won't do you any
good unless you can pry a key (and the algorithm!) out of a consumer
player, which won't be easy assuming it is in a tamper-resistant unit.
And you can bet the industry won't make the mistake again of allowing
software-based players, as they did with the DeCSS affair.

In short, you're fighting yesterday's war.  Try looking ahead a bit to
see where the battlegrounds of the future will be contested.

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