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Re: VMs: Three frequency tables

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

	Do you mean, a series of simple substitution ciphers,
and the 
gallow signals the change, or a change to a mirror

	I remember the Porta cipher slide, where, for
A <--> L.  Is this what you're thinking of, with a
mirror image?

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