Date: Tue, 28 Nov 2006 18:59:20 +0100
From: Martin Mares <mj@ucw.cz>
To: Phillip Susi <psusi@cfl.rr.com>
Cc: David Wagner <daw-usenet@taverner.cs.berkeley.edu>,
       linux-kernel@vger.kernel.org
Subject: Re: Entropy Pool Contents
Message-ID: <mj+md-20061128.175844.1273.atrey@ucw.cz>
References: <ek2nva$vgk$1@sea.gmane.org> <456B3483.4010704@cfl.rr.com> <ekfehh$kbu$1@taverner.cs.berkeley.edu> <456B4CD2.7090208@cfl.rr.com> <ekfifg$n41$1@taverner.cs.berkeley.edu> <456C74F7.3060902@cfl.rr.com>
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Hello!

> I still don't see how feeding tons of zeros ( or some other carefully 
> crafted sequence ) in will not decrease the entropy of the pool ( even 
> if it does so in a way that is impossible to predict ), but assuming it 
> can't, what good does a non root user do by writing to random?

Even if so, you should control that by filesystem permissions, not by
in-kernel policy.

				Have a nice fortnight
-- 
Martin `MJ' Mares   <mj@ucw.cz>   http://atrey.karlin.mff.cuni.cz/~mj/
Faculty of Math and Physics, Charles University, Prague, Czech Rep., Earth
Man is the highest animal. Man does the classifying.
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