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

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Message-ID: <20071204164720.6e4dc2c4@the-village.bc.nu>
Date:	Tue, 4 Dec 2007 16:47:20 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Adrian Bunk <bunk@...nel.org>
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?

> No matter what you consider as being better, changing a 12 years old and 
> widely used userspace interface like /dev/urandom is simply not an 
> option.

Fixing it to be more efficient in its use of entropy and also fixing the
fact its not actually a good random number source would be worth looking
at however.
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