Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754525AbYJCG0T (ORCPT ); Fri, 3 Oct 2008 02:26:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753091AbYJCG0I (ORCPT ); Fri, 3 Oct 2008 02:26:08 -0400 Received: from mx2.redhat.com ([66.187.237.31]:57932 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752915AbYJCG0H (ORCPT ); Fri, 3 Oct 2008 02:26:07 -0400 Message-ID: <48E5BAC6.9070007@redhat.com> Date: Thu, 02 Oct 2008 23:25:10 -0700 From: Ulrich Drepper User-Agent: Thunderbird 2.0.0.16 (X11/20080723) MIME-Version: 1.0 To: Arjan van de Ven CC: Kees Cook , Jakub Jelinek , Roland McGrath , linux-kernel@vger.kernel.org, libc-alpha@sourceware.org Subject: Re: [PATCH] ELF: implement AT_RANDOM for future glibc use References: <20081001201116.GD12527@outflux.net> <48E3EFD6.2010704@redhat.com> <20081001215657.GH12527@outflux.net> <20081001220948.GC32107@sunsite.ms.mff.cuni.cz> <20081001222706.68E7E1544B4@magilla.localdomain> <20081003001616.GN10632@outflux.net> <20081003004340.GF32682@tyan-ft48-01.lab.bos.redhat.com> <20081003052938.GS10632@outflux.net> <20081002225718.6a0d803a@infradead.org> In-Reply-To: <20081002225718.6a0d803a@infradead.org> X-Enigmail-Version: 0.95.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1021 Lines: 26 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Arjan van de Ven wrote: > 16 bytes (say 4 vectors) is easier than "variable number of" both on the > kernel and on the glibc side, and nobody other than maybe Ulrich > and Jakub wouldn't know what to answer to the KConfig question anyway. As Roland already wrote, I consider 16 bytes sufficient. Everything else will then be served via a PRNG which is seeded through the 16 bytes. - -- ➧ Ulrich Drepper ➧ Red Hat, Inc. ➧ 444 Castro St ➧ Mountain View, CA ❖ -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org iEYEARECAAYFAkjlusYACgkQ2ijCOnn/RHTOqwCghULjVoA+bZVlqv8eFhSHRPOt jUYAoMNM+IXtS3HkVTZdFsH3kooSWFk2 =Z6f0 -----END PGP SIGNATURE----- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/