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Date:      Tue, 1 Mar 2005 01:29:01 -0800
From:      Kris Kennaway <kris@obsecurity.org>
To:        Ted Mittelstaedt <tedm@toybox.placo.com>
Cc:        Kris Kennaway <kris@obsecurity.org>
Subject:   Re: /dev/io , /dev/mem : only used by Xorg?
Message-ID:  <20050301092901.GB95093@xor.obsecurity.org>
In-Reply-To: <LOBBIFDAGNMAMLGJJCKNEEJGFAAA.tedm@toybox.placo.com>
References:  <20050228201308.GC70059@xor.obsecurity.org> <LOBBIFDAGNMAMLGJJCKNEEJGFAAA.tedm@toybox.placo.com>

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On Tue, Mar 01, 2005 at 12:06:11AM -0800, Ted Mittelstaedt wrote:

> >> Another strange thing is that /dev/random should block when it
> >> runs out of entropy - it doesen't seem to do so, however.  And the
> >> device doesen't seem to gain entropy that quickly.
> >
> > No, it should not block because it's not defined to block
>=20
> In FreeBSD
>=20
> > and that
> > would be a bad interface anyway.
>=20
> The "u" in /dev/urandom means unblocking.

It also means "return stuff even when you have no more entropy".
Can't get there from here.

Kris
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