Re: [exim] tls compression

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Author: W B Hacker
Date:  
To: exim-users
Subject: Re: [exim] tls compression
Yves Goergen wrote:

> On 16.02.2006 21:09 (+0100), David Saez Padros wrote:
>
>>does exim use compression on tls connections ?
>
>
> Isn't compression an elementary part of encryption, to avoid data
> redundancy and make cracking the encryption unnecessarily easy?


As used in SSL/TLS and many other kernel and userland things, yes.

> And
> doesn't an ideally encrypted string have a maximal (or was it
> minimal?...) enthropy so that it cannot be compressed any further?


Either. Both. Whichever. Yes.

> Or
> have I missed something between theory and reality...
>


Not in the last many years, no.

http://en.wikipedia.org/wiki/Zlib


Bill