Re: VMs: VMS Lookalike encipherment

["J HALEY" <j.haley@xxxxxxxxxxxxxx>]

Hi Elmar

The dead letters are nulls. I can't say this is definately the way a
medieval cryptographer would have done it but it is simple. The
nulls would have masked the meaning a little.

Jeff


----- Original Message -----
From: "Elmar Vogt" <elvogt@xxxxxxx>
To: <vms-list@xxxxxxxxxxx>
Sent: 10 July 2005 20:15
Subject: Re: VMs: VMS Lookalike encipherment


>
>
> J HALEY wrote:
> > Hi
> >
> > Just in case this hasn't been posted before here is a link
> > to my latest work on a VMS type encipherment. I hope it
> > is self explanatory.
> >
> > http://www.georgeboolefanclub.com/VMSVerboseCipher.html
> >
> > Jeff
> >
> >
>
> Hi Jeff,
>
> This looks interesting. I'm not sure if I understood everything correctly.
> (What is the point of the "dead letters"? Why would single-letter words
make
> the encipherment insecure? Because they are prone to statistical
analysis?)
>
> But it's very refreshing to see some serious work on the VM again, as
> opposed to Papke-style deus ex machina-solutions.
>
> Cheers,
>
>     Elmar
>
> --
> Elmar Vogt / Königswarterstr. 18 / 90762 Fürth / GERMANY
> elvogt@xxxxxxx / www.beamends.de / Tel.: (++49/0)911 - 31 52 58
> Agilmar v. Sevelingen: CUR CANIS TESTIS SUIS LINGET? -- POTEST!
>
> "Richard III. ließ alle seine Nachfolger hinrichten." (J.G.A. Galletti)
>
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