Re: LANG: Copyright Protection for 3D Models

Paul Burchard (burchard@CS.Princeton.EDU)
Fri, 1 Dec 95 00:35:27 -0500


Tony Healy <thealy@magna.com.au> writes:
> The information to access a protected VRML file would
> have to be available to all browser writers

I'm afraid that protection with a "well-known" password/encryption
scheme is worse than no protection at all -- the false sense of
security it offers would only encourage hackers, while failing to
reassure developers of commercially valuable models.

Exporting commercially valuable models to the Internet will, of
necessity, involve stronger security and/or lossier representation
than what's been described so far in this thesad. You may be able
to get full 3D data over the Web, but only with strong licensing and
per-license encryption. You may be able to get free data, but only
in very lossy form (such as 2D rendered bitmaps). I don't see this
as a language issue.

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Paul Burchard <burchard@cs.princeton.edu>
``I'm still learning how to count backwards from infinity...''
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