[6403] in cryptography@c2.net mail archive
Re: Blue Spike and Digital Watermarking with Giovanni
daemon@ATHENA.MIT.EDU (John R Levine)
Sun Jan 16 00:06:21 2000
Date: Sat, 15 Jan 2000 23:26:20 -0500 (EST)
From: John R Levine <johnl@iecc.com>
To: Robin Whittle <rw@firstpr.com.au>
Cc: cryptography@c2.net
In-Reply-To: <388139A3.DFE41240@firstpr.com.au>
Message-ID: <Pine.BSI.3.91.1000115232445.14307C-100000@ivan.iecc.com>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
> What use is the watermark anyway? It is only applicable to files
> generated for a specific, legally identifiable customer. Therefore it
> does not apply to pre-pressed CD/DVD etc. discs or to broadcasts via
> the Net, TV, radio etc.
Well, serial numbers are somewhat useful in tracking pirate copies of stuff,
since they make it easier to identify each "strain" of pirated stuff. But I
agree that it's a whole lot less than why the digital watermark advocates
would have us believe they can do.
Regards,
John Levine, johnl@iecc.com, Primary Perpetrator of "The Internet for Dummies",
Information Superhighwayman wanna-be, http://iecc.com/johnl, Sewer Commissioner
Finger for PGP key, f'print = 3A 5B D0 3F D9 A0 6A A4 2D AC 1E 9E A6 36 A3 47
