Skip site navigation (1)Skip section navigation (2)
Date:      Mon, 26 Feb 2001 01:04:19 +0300
From:      "Andrey A. Chernov" <ache@nagual.pp.ru>
To:        Kris Kennaway <kris@obsecurity.org>
Cc:        arch@FreeBSD.ORG, "Jacques A. Vidrine" <n@nectar.com>, Matt Dillon <dillon@earth.backplane.com>, Bruce Evans <bde@zeta.org.au>, Robert Watson <rwatson@FreeBSD.ORG>, Nick Sayer <nsayer@FreeBSD.ORG>, cvs-all@FreeBSD.ORG
Subject:   Re: rand.c patch for review (was: Re: cvs commit: ports/astro/xglobe/files patch-random)
Message-ID:  <20010226010418.A60234@nagual.pp.ru>
In-Reply-To: <20010225135429.A47615@mollari.cthul.hu>; from kris@obsecurity.org on Sun, Feb 25, 2001 at 01:54:29PM -0800
References:  <Pine.BSF.4.21.0102251920150.6561-100000@besplex.bde.org> <200102250900.f1P90Qc12868@earth.backplane.com> <20010225092416.A46959@hamlet.nectar.com> <20010225185535.A55782@nagual.pp.ru> <20010225191316.A56093@nagual.pp.ru> <20010225193409.A56351@nagual.pp.ru> <20010225131002.A38192@mollari.cthul.hu> <20010225132152.A39554@mollari.cthul.hu> <20010226005004.B59772@nagual.pp.ru> <20010225135429.A47615@mollari.cthul.hu>

next in thread | previous in thread | raw e-mail | index | archive | help

--cWoXeonUoKmBZSoM
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable

On Sun, Feb 25, 2001 at 13:54:29 -0800, Kris Kennaway wrote:
> On Mon, Feb 26, 2001 at 12:50:04AM +0300, Andrey A. Chernov wrote:
> > On Sun, Feb 25, 2001 at 13:21:52 -0800, Kris Kennaway wrote:
> > > Nevermind, I read the followup about needing to have independent
> > > state.  I think you should duplicate the rest of the random() and
> > > srandom() stuff, not just good_rand() -- random.c does more work to
> > > seed things, for example, which I'd feel better about.  Also, document
> > > in rand.c and random.c that they should be kept in sync modulo the
> > > missing srandomdev() code.
> >=20
> > Maybe, but only in case we need to care about rand() distribution _so_
> > match, I am not sure. Every manual nowdays marks rand() as deprecated.
>=20
> Yet it's still used bogusly for cryptographic needs - e.g. even
> XFree86 4.x seems to use rand() for generating cookies, I discovered
> last night (as a result of my rand() warning :-).  If we fix up rand()
> to have a decent cryptographic behaviour, we save all the idiot
> programmers from themselves.

Ok, I'll produce another patch implementing this in near future.

--=20
Andrey A. Chernov
http://ache.pp.ru/

--cWoXeonUoKmBZSoM
Content-Type: application/pgp-signature
Content-Disposition: inline

-----BEGIN PGP SIGNATURE-----
Version: 2.6.3ia

iQCVAwUBOpmBYuJgpPLZnQjrAQEBngP+LARkIdxQveQKKgxVwZoxaYuzieLbCcIe
3quly/G3qYlLuuDDq9K0zZxXxsRy8Fu1PrWpkngzWEc8y8MOWV2e4J6mdPBabw5L
I/Fpz7Fi87xic0K0wrwvJyqDdhqFqnD6Yo2uLF55uTR8+lJrynG4+zcDsYAUSlCD
oyfJvM8pjZw=
=5D/b
-----END PGP SIGNATURE-----

--cWoXeonUoKmBZSoM--

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-arch" in the body of the message




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20010226010418.A60234>