Date: Mon, 7 Mar 2005 21:58:36 +0100 From: Pawel Jakub Dawidek <pjd@FreeBSD.org> To: Mark Murray <markm@FreeBSD.ORG> Cc: freebsd-security@FreeBSD.ORG Subject: Re: New entropy source proposal. Message-ID: <20050307205836.GZ9291@darkness.comp.waw.pl> In-Reply-To: <200503071609.j27G9mR1032489@grovel.grondar.org> References: <20050307130330.GX9291@darkness.comp.waw.pl> <200503071609.j27G9mR1032489@grovel.grondar.org>
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--WI3x0E7Qla8PXOxb Content-Type: text/plain; charset=iso-8859-2 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Mar 07, 2005 at 04:09:48PM +0000, Mark Murray wrote: +> Pawel Jakub Dawidek writes: +> > The program is very simple, it should be run with two arguments: +> >=20 +> > % sndtest /dev/dspW 1048576 > rand.data +> >=20 +> > This command will generate 1MB of random data. +>=20 +> Er, not very random. Are you sure you used /dev/dspW? It give me really good results with my sound card. You can find sample data at: http://people.freebsd.org/~pjd/misc/rand.data +> > If people like the idea and someone more skilled than me in this subje= ct +> > can review this stuff, we can start to put it into kernel +> > "random infrastructure". It could also be implemented as userland daem= on +> > which writes collected entropy to /dev/random maybe... +>=20 +> I like the idea, but we need a bit more hardware assistance, I think. Of course I don't think it could be used as the only entropy source in the system, more like one of few. --=20 Pawel Jakub Dawidek http://www.wheel.pl pjd@FreeBSD.org http://www.FreeBSD.org FreeBSD committer Am I Evil? Yes, I Am! --WI3x0E7Qla8PXOxb Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (FreeBSD) iD8DBQFCLMB8ForvXbEpPzQRAvs/AJ49htUbBcaiThJqQVnZtnokHnrXTwCfc6Q7 8qShAePCfNliDz/d2puMIHI= =Jul1 -----END PGP SIGNATURE----- --WI3x0E7Qla8PXOxb--
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