question re practical use of secret sharing

Ed Gerck edgerck at
Thu Jun 21 15:05:50 EDT 2007

Alexander Klimov wrote:
> So if one xors a Linux iso image and some movie, it is quite hard to
> claim that the result is copyright-protected.

Why? A copyright-protected work is still copyright-protected,
encrypted or not.

It is just as with any reversible encoding of a copyright-
protected work, such as magnetic domain encoding when storing it
in a hard disk.

Now, if you pass a copyright-protected work through an irreversible
hash function, it would be hard to claim the result to be

Ed Gerck

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