🚀 go-pugleaf

In article <92207.142318U27239@uicvm.uic.edu> Gerald Strom
<U27239@uicvm.uic.edu> writes [wrote]:
>The following is a little piece I wrote recently about transposition
>ciphers.  As I am far from being an expert in this field, I hope I
>didn't get too much wrong and I would appreciate comments.
> [description and C code deleted]

In article <1992Jul26.074121.15669@chpc.utexas.edu>
jonathan@chpc.utexas.edu (Jonathan Thornburg) [I] writes [replied]:
>Shouldn't you also point out that any transposition cipher can be
>broken by multiple anagramming?  Kahn "The Codebreakers" discusses
>this and gives a couple of examples of broken transposition ciphers,
>I believe dating back to the US civil war and the 1884 (?) US
>presidential election.

Oops, I must have missed a refresh cycle on my brain (this is what
comes of posting at 230am).  My statement was too strong.  I should
have said:
"Shouldn't you also point out that unless special precautions are
 taken to the contrary, transposition ciphers can be broken by
 multiple anagramming?"

- Jonathan Thornburg
  <jonathan@einstein.ph.utexas.edu> or <jonathan@hermes.chpc.utexas.edu>
  University of Texas at Austin / Physics Dept / Center for Relativity
  and (for a few more months) U of British Columbia / {Astronomy,Physics}