Re: About VMPC

From: Bartosz Zoltak (X_at_vmpcfunction.com;)
Date: 06/08/04 

Date: Tue, 8 Jun 2004 11:16:25 +0200

Gregory G Rose wrote:
> Anyway, my understanding is the the point of the
> "+1" (or xor something, or plus something else
> non-zero) is that it appears to make it hard to go
> from knowing the permutation Q[x] back to knowing
> the original P[x]. This would not be true if it
> was simply P[P[P[x]]].

That's exactly right, thanks for the clarification!

Bartosz

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