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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[-- Attachment #1 --] 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 > > In FreeBSD > > > and that > > would be a bad interface anyway. > > 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 [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (FreeBSD) iD8DBQFCJDXdWry0BWjoQKURAqD5AJ9AitLLdhXqRWujQUFSDLJuhmC2dwCgzo+B d85JPskK39is5J1B7hFpUpY= =EwNW -----END PGP SIGNATURE-----help
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