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Date:	Sun, 9 Dec 2007 13:42:00 +0100
From:	Marc Haber <>
To:	Matt Mackall <>
Cc:	Eric Dumazet <>,
	Alan Cox <>,
	Adrian Bunk <>,,
	"David S. Miller" <>
Subject: Re: Why does reading from /dev/urandom deplete entropy so much?

On Wed, Dec 05, 2007 at 03:26:47PM -0600, Matt Mackall wrote:
> The distinction between /dev/random and /dev/urandom boils down to one
> word: paranoia. If you are not paranoid enough to mistrust your
> network, then /dev/random IS NOT FOR YOU. Use /dev/urandom.

But currently, people who use /dev/urandom to obtain low-quality
entropy do a DoS for the paranoid people.


Marc Haber         | "I don't trust Computers. They | Mailadresse im Header
Mannheim, Germany  |  lose things."    Winona Ryder | Fon: *49 621 72739834
Nordisch by Nature |  How to make an American Quilt | Fax: *49 3221 2323190
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