Re: Decryption Program

Article View: sci.crypt

Article #3217

#3217

From: Joe Buck
Date: Tue, 21 Oct 1986 05:23

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In article <16191@ucbvax.BERKELEY.EDU> fair@ucbarpa.Berkeley.EDU (Erik E. Fair) writes:
>There is a program in the netnews distribution called `caesar.c' that
>will decrypt substitution ciphers by frequency analysis from an english
>language letter frequency table.

Sorry, Erik.  As its name suggests, that program only solves "Caesar
ciphers".  A Caesar cipher corresponds to "rot n" for some n (1-25).
The program will not solve general simple substitution ciphers.
-- 
- Joe Buck 	{hplabs,ihnp4}!oliveb!epimass!jbuck
  Entropic Processing, Inc., Cupertino, California

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Path: arc1-ca.pugleaf.net!utzoo!watmath!clyde!caip!topaz!rutgers!lll-crg!lll-lcc!styx!twg-ap!amdahl!ames!oliveb!epimass!jbuck
From: jbuck@epimass.UUCP (Joe Buck)
Newsgroups: sci.crypt
Subject: Re: Decryption Program
Message-ID: <567@epimass.UUCP>
Date: Tue, 21-Oct-86 01:23:31 EDT
Article-I.D.: epimass.567
Posted: Tue Oct 21 01:23:31 1986
Date-Received: Wed, 22-Oct-86 04:04:39 EDT
References: <2121@mtuxo.UUCP> <16191@ucbvax.BERKELEY.EDU>
Reply-To: jbuck@epimass.UUCP (Joe Buck)
Organization: Entropic Processing, Inc., Cupertino, CA
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