Are basic principles flawed?

[Owen Lewis]

> -----Original Message-----
> From: ukcrypto-admin@chiark.greenend.org.uk
> [mailto:ukcrypto-admin@chiark.greenend.org.uk]On Behalf Of Paul Leyland
> Sent: 11 July 2001 16:36
> To: ukcrypto@chiark.greenend.org.uk
> Subject: RE: Are basic principles flawed?
> 
> 
> 
> > From: Matthew Pemble [mailto:matthew.pemble@btinternet.com] 
> 
> > Codes are difficult to generate and use effectively, which is why so
> > much effort is put into ciphers.  You are correct that "Send 2 and
> > sixpence, we are going to a dance," is meaningless to 
> > automated systems, but if correlated with a move of reserve troops
> > and an attack, the next time a similar message is sent and
> > intercepted, assumptions will be made and automated filters updated.
> 
> Ah, an example of cost-efficiency in the modern army.
> 
> It was 3s 4d when I were a lad.

Nah. It's an example of the Chinese Whisper code.

Owen