linux-kernel - Re: Why does reading from /dev/urandom deplete entropy so much?

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Message-ID: <20071208220345.GE20441@stusta.de>
Date:	Sat, 8 Dec 2007 23:03:45 +0100
From:	Adrian Bunk <bunk@...nel.org>
To:	Bill Davidsen <davidsen@....com>
Cc:	Marc Haber <mh+linux-kernel@...schlus.de>,
	linux-kernel@...r.kernel.org
Subject: Re: Why does reading from /dev/urandom deplete entropy so much?

On Thu, Dec 06, 2007 at 02:32:05PM -0500, Bill Davidsen wrote:
>...
> Sounds like a local DoS attack point to me...

As long as /dev/random is readable for all users there's no reason to 
use /dev/urandom for a local DoS...

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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