Date: Sat, 19 Jan 2002 17:36:17 +0300 From: "Andrey A. Chernov" <ache@nagual.pp.ru> To: Kris Kennaway <kris@obsecurity.org> Cc: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/lib/libpam/modules/pam_opie pam_opie.c Message-ID: <20020119143617.GB9803@nagual.pp.ru> In-Reply-To: <20020119062315.A78025@xor.obsecurity.org> References: <200201191009.g0JA95b91076@freefall.freebsd.org> <20020119042808.A67985@xor.obsecurity.org> <20020119123903.GA8776@nagual.pp.ru> <20020119124322.GB8776@nagual.pp.ru> <20020119053506.A77530@xor.obsecurity.org> <20020119134810.GB9275@nagual.pp.ru> <20020119062315.A78025@xor.obsecurity.org>
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--xHFwDpU9dbj6ez1V Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Jan 19, 2002 at 06:23:15 -0800, Kris Kennaway wrote: > On Sat, Jan 19, 2002 at 04:48:10PM +0300, Andrey A. Chernov wrote: >=20 > > Now back to unreal method you suggest. Just think about keeping=20 > > internal state for every possible 16-letters (user name) combination an= d=20 > > regenerating it once a week. >=20 > Nothing to it; you'd store a few bytes in /var/run or somewhere, and > hash them with the provided username to generate the fake challenge. And your hash provide random numbers instead of constantly decreased as=20 they expected be (by intruder too). --=20 Andrey A. Chernov http://ache.pp.ru/ --xHFwDpU9dbj6ez1V Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: 2.6.3ia iQCVAwUBPEmEYeJgpPLZnQjrAQE1OwP+PzMqASQxRX+oYaLaVGO6Os/EhX6A+Q3a uvtdNdnZlhuZWzwUEOfglBodtM6dXKYkGtvQJJuOxR1u01uYLOb85Ay4lVyicNvt cg2zinYaJMWBWtMrPPYnpT8Y45FwTC1AC7+wMmb1aO/uM3pWvRe7KGS/xtIV4QtX LGYFaTvv664= =FqEq -----END PGP SIGNATURE----- --xHFwDpU9dbj6ez1V-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
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