From: Ismail =?utf-8?q?D=C3=B6nmez?= <ismail@pardus.org.tr>
Organization: Pardus / KDE
To: Adrian Bunk <bunk@kernel.org>
Subject: Re: Why does reading from /dev/urandom deplete entropy so much?
Date: Sun, 9 Dec 2007 00:10:10 +0200
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Cc: Bill Davidsen <davidsen@tmr.com>,
       Marc Haber <mh+linux-kernel@zugschlus.de>, linux-kernel@vger.kernel.org
References: <20071204114125.GA17310@torres.zugschlus.de> <47584E35.7030409@tmr.com> <20071208220345.GE20441@stusta.de>
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Sunday 09 December 2007 00:03:45 tarihinde Adrian Bunk şunları yazmıştı:
> 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...

Draining entropy in /dev/urandom means that insecure and possibly not random 
data will be used and well thats a security bug if not a DoS bug.

And yes this is by design, sigh.

-- 
Never learn by your mistakes, if you do you may never dare to try again.
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