Re: CHATX - a thread starter that's not as easy as it looks.

From	Richard Heathfield <rjh@cpax.org.uk>
Newsgroups	sci.crypt
Subject	Re: CHATX - a thread starter that's not as easy as it looks.
Date	2021-09-21 20:41 +0100
Organization	Fix this later
Message-ID	<sidcgk$rgl$1@dont-email.me> (permalink)
References	<si9jk4$188$1@dont-email.me> <sicoug$653$1@dont-email.me> <sicpk5$b7q$1@dont-email.me> <878rzpepmm.fsf@zotaspaz.fatphil.org>

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On 21/09/2021 19:43, Phil Carmody wrote:
> Richard Heathfield <rjh@cpax.org.uk> writes:
>> I can report one important theoretical discovery about the system: it
>> turns out *not* to be informational-theoretically secure. Who'd ha'
>> thunk it, eh?
> 
> It's also remarkably readable, once you know what you're doing.

Yes, I was surprised by that too; it was then that I suggested to MM 
that it might be crackable by eye. A pencil and paper cipher, really, of 
the "secure vs your kid sister" variety. (I am of course referring to 
Schneier's opening to Applied Cryptography.)

-- 
Richard Heathfield
Email: rjh at cpax dot org dot uk
"Usenet is a strange place" - dmr 29 July 1999
Sig line 4 vacant - apply within

Thread

CHATX - a thread starter that's not as easy as it looks. Richard Heathfield <rjh@cpax.org.uk> - 2021-09-20 10:17 +0100
  Re: CHATX - a thread starter that's not as easy as it looks. MM <mrvmurray@gmail.com> - 2021-09-20 07:00 -0700
    Re: CHATX - a thread starter that's not as easy as it looks. Richard Heathfield <rjh@cpax.org.uk> - 2021-09-20 15:17 +0100
      Re: CHATX - a thread starter that's not as easy as it looks. MM <mrvmurray@gmail.com> - 2021-09-20 10:52 -0700
        Re: CHATX - a thread starter that's not as easy as it looks. Richard Heathfield <rjh@cpax.org.uk> - 2021-09-20 19:10 +0100
  Re: CHATX - a thread starter that's not as easy as it looks. Max <maxturv26@gmx.net> - 2021-09-20 20:36 +0200
    Re: CHATX - a thread starter that's not as easy as it looks. Richard Heathfield <rjh@cpax.org.uk> - 2021-09-20 19:42 +0100
      Re: CHATX - a thread starter that's not as easy as it looks. Max <maxturv26@gmx.net> - 2021-09-20 20:50 +0200
        Re: CHATX - a thread starter that's not as easy as it looks. Richard Heathfield <rjh@cpax.org.uk> - 2021-09-20 21:02 +0100
          Re: CHATX - a thread starter that's not as easy as it looks. Max <maxturv26@gmx.net> - 2021-09-20 22:24 +0200
            Re: CHATX - a thread starter that's not as easy as it looks. Richard Heathfield <rjh@cpax.org.uk> - 2021-09-20 22:08 +0100
      Re: CHATX - a thread starter that's not as easy as it looks. wizzofozz <oxxxxxxxxxxxs@gmail.com> - 2021-09-20 21:43 +0200
        Re: CHATX - a thread starter that's not as easy as it looks. Max <maxturv26@gmx.net> - 2021-09-20 21:50 +0200
      Re: CHATX - a thread starter that's not as easy as it looks. Phil Carmody <pc+usenet@asdf.org> - 2021-09-21 17:00 +0300
        Re: CHATX - a thread starter that's not as easy as it looks. Richard Heathfield <rjh@cpax.org.uk> - 2021-09-21 15:22 +0100
        Re: CHATX - a thread starter that's not as easy as it looks. Max <maxturv26@gmx.net> - 2021-09-21 23:31 +0200
          Re: CHATX - a thread starter that's not as easy as it looks. Richard Heathfield <rjh@cpax.org.uk> - 2021-09-21 23:03 +0100
            Re: CHATX - a thread starter that's not as easy as it looks. Max <maxturv26@gmx.net> - 2021-09-22 00:22 +0200
        Re: CHATX - a thread starter that's not as easy as it looks. wizzofozz <oxxxxxxxxxxxs@gmail.com> - 2021-09-25 13:29 +0200
          Re: CHATX - a thread starter that's not as easy as it looks. Phil Carmody <pc+usenet@asdf.org> - 2021-09-26 14:39 +0300
  Re: CHATX - a thread starter that's not as easy as it looks. Richard Harnden <richard.nospam@gmail.com> - 2021-09-21 15:07 +0100
    Re: CHATX - a thread starter that's not as easy as it looks. Richard Heathfield <rjh@cpax.org.uk> - 2021-09-21 15:18 +0100
      Re: CHATX - a thread starter that's not as easy as it looks. Phil Carmody <pc+usenet@asdf.org> - 2021-09-21 21:43 +0300
        Re: CHATX - a thread starter that's not as easy as it looks. Richard Heathfield <rjh@cpax.org.uk> - 2021-09-21 20:41 +0100
  Re: CHATX - a thread starter that's not as easy as it looks. wizzofozz <oxxxxxxxxxxxs@gmail.com> - 2021-09-25 02:24 +0200
    Re: CHATX - a thread starter that's not as easy as it looks. Richard Heathfield <rjh@cpax.org.uk> - 2021-09-25 05:24 +0100
  Re: CHATX - a thread starter that's not as easy as it looks. Richard Harnden <richard.nospam@gmail.com> - 2021-09-25 13:56 +0100
    Re: CHATX - a thread starter that's not as easy as it looks. Richard Heathfield <rjh@cpax.org.uk> - 2021-09-25 14:21 +0100
      Re: CHATX - a thread starter that's not as easy as it looks. Richard Heathfield <rjh@cpax.org.uk> - 2021-09-25 14:28 +0100
    Re: CHATX - a thread starter that's not as easy as it looks. wizzofozz <oxxxxxxxxxxxs@gmail.com> - 2021-09-25 16:11 +0200

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