VMs: VMS Table

["Jeff" <jeff@xxxxxxxxxxxxxxxxxxxxxx>]

Has anyone ever considered the idea that two VMS characters could represent
one letter of the native alphabet? So a table would be arranged X by X,
where X is the number of characters in your constructed alphabet. Rows and
colums of the plaintext alphabet would be placed in the rows and columns of
the table at arbitrary positions making sure that every letter is
represented at least once. The indexes would be the cipher symbol pairs.
Individual encrypted words could be split into one, two or three sub words
to disguise the expansion encryption and even make it appear like a
compression encryption. This would produce three effects. 1) High number of
unique words.  2) Increased manuscript length. 3) Consistency with the
analysis performed on the VMS. (This last is a guess, but more like a
hunch.)

All a decoder would need to know was the positions of the cipher characters
along the top and down the side of the table. This would make it very easy
to decipher. The encrypted text would also maintain a consistent language
structure when analysed as mentioned above.

The tables I have seen used have all had the alphabet across and down the
table edges as a lookup to the unique cipher character that compresses the
character pairs. The alternate method would require finding the plaintext
character at any position it occupies in any row and column and simply
working outwards to find the two substitution characters. A very simple
modification of an old idea. This way the character patterns could be kept
consistent with the appearence of the VMS. The oddball or wierdo glyphs
could this way be introduced at will as it is a two to one encryption with
free distribution of the plaintext characters across the grid. One thing
would definately be consistent using this method and therefore very easy to
disprove. Each VMS character pair would map to one and only one plaintext
character. Is this worth pursuing? Anyone have an opinion or got any
analysis that would kill this one off?

I will be very interested in anyone's opinion.


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