1993-03-02 - Textual analysis

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From: Alexander Chislenko <sasha@ra.cs.umb.edu>
To: cypherpunks@toad.com
Message Hash: f2d2ce83561fa27ea64ee72ec12c90321d69fccc91c96d32a0e825be692a3ef3
Message ID: <199303022252.AA14712@ra.cs.umb.edu>
Reply To: N/A
UTC Datetime: 1993-03-02 22:53:31 UTC
Raw Date: Tue, 2 Mar 93 14:53:31 PST

Raw message

From: Alexander Chislenko <sasha@ra.cs.umb.edu>
Date: Tue, 2 Mar 93 14:53:31 PST
To: cypherpunks@toad.com
Subject: Textual analysis
Message-ID: <199303022252.AA14712@ra.cs.umb.edu>
MIME-Version: 1.0
Content-Type: text/plain

 Tim May writes:
>Imagine what can be done with word and phrase frequency analysis, with
>examination of punctuation styles (e.g., some people use _this_ for
>emphasis while others use *this*), and so on. Entropy measures, etc.

   I know for sure that Soviet KGB did a lot of work in graphology and 
kept samples of print of every typewriter there was in the country.
<not that it helped them ;) >

   It might be easy to write a program that would randomly modify spacing,
indentations, punctuation styles, spelling, replace words with random
synonyms, reorder words in phrases, etc.  It can eliminate most of the
clues, excluding the concepts.
You will have to compromise between the accuracy of the message and its
privacy protection, but it is still something...

Alexander Chislenko