1997-12-24 - Re: Civil War Crypto Question… (fwd)

Header Data

From: Jim Choate <ravage@ssz.com>
To: cypherpunks@ssz.com (Cypherpunks Distributed Remailer)
Message Hash: 35c946288c724cd33746ecf4bca60bc1b0bd84d9b8b19b6c21c00100ccaa1c27
Message ID: <199712242128.PAA30218@einstein.ssz.com>
Reply To: N/A
UTC Datetime: 1997-12-24 21:07:59 UTC
Raw Date: Thu, 25 Dec 1997 05:07:59 +0800

Raw message

From: Jim Choate <ravage@ssz.com>
Date: Thu, 25 Dec 1997 05:07:59 +0800
To: cypherpunks@ssz.com (Cypherpunks Distributed Remailer)
Subject: Re: Civil War Crypto Question... (fwd)
Message-ID: <199712242128.PAA30218@einstein.ssz.com>
MIME-Version: 1.0
Content-Type: text



Forwarded message:

> Date: Wed, 24 Dec 1997 15:35:00 -0500
> From: John Young <jya@pipeline.com>
> Subject: Re: Civil War Crypto Question...

> Jim Choate wrote:
> 
> >Myer implimented including a 'cipher disk' whereby the Union was able to
> >change their telegraph codes on an hourly schedule. It was apparently very
> >effictive in dealing with taps and such.
> >
> >Anyone know of another source that discusses this disk?
> 
> Myer's code and cipher disk (with illustration) are briefly described
> in Fred Wrixon's "Codes and Ciphers" along with an entry on
> Civil War crypto with a photo of a Confederate cipher disk.
> 
> We've put the entries and illustrations at:
> 
>    http://jya.com/cydisk.htm
> 
> The book is:
> 
>    "Codes and Ciphers: An A to Z of Covert Communication, 
>    from the Clay Tablet to the Microdot,"
>    Fred B. Wrixon, Prentice Hall, 1992, paper. $18.00 
>    ISBN 0-13-277047-4

Thank you, thank you, thank you. I'll order a copy from the local bookstore
today!

Merry Christmas!


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