linux-kernel - Re: Entropy Pool Contents

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Message-ID:  <mj+md-20061128.174904.27577.atrey@ucw.cz>
Date:	Tue, 28 Nov 2006 18:49:42 +0100
From:	Martin Mares <mj@....cz>
To:	Phillip Susi <psusi@....rr.com>
Cc:	David Wagner <daw-usenet@...erner.cs.berkeley.edu>,
	linux-kernel@...r.kernel.org
Subject: Re: Entropy Pool Contents

Hello!

> You aren't dumping and restoring the entropy pool; you are dumping 
> random data generated by the pool, and using that data to stir the new 
> entropy pool after the next boot.  There is no direct relationship 
> between the entropy of the old and new pools.  The kernel needs to 
> decide how much entropy you added based on how much random data you 
> provide it with to stir the pool.

Yes, but the point is that you cannot tell how much randomness is in the
data you provide.

				Have a nice fortnight
-- 
Martin `MJ' Mares   <mj@....cz>   http://atrey.karlin.mff.cuni.cz/~mj/
Faculty of Math and Physics, Charles University, Prague, Czech Rep., Earth
Noli tangere fila metalica, ne in solum incasa quidem.
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