Re: VMs: Three frequency tables

["Jeff" <jeff@xxxxxxxxxxxxxxxxxxxxxx>]

Dennis tsalagi@xxxxxxxx
on 15 January 2004 06:40


> steve ekwall wrote:
> >
> >  The VMS is a polymorphic alphabetic cipher. There is a difference.
>

I wrote this bit Steve was merely replying to it. Gallows play no part in
determining any switching in my opinion. BTW have you any links on the Porta
cipher?

Jeff

> Do you mean, a series of simple substitution ciphers,
> and the
> gallow signals the change, or a change to a mirror
> image?
>
> I remember the Porta cipher slide, where, for
> instance,
> A <--> L.  Is this what you're thinking of, with a
> mirror image?
>
> Dennis
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