Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753190AbYJCO5t (ORCPT ); Fri, 3 Oct 2008 10:57:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751935AbYJCO5l (ORCPT ); Fri, 3 Oct 2008 10:57:41 -0400 Received: from mx2.redhat.com ([66.187.237.31]:49150 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751659AbYJCO5k (ORCPT ); Fri, 3 Oct 2008 10:57:40 -0400 Message-ID: <48E632B9.4090105@redhat.com> Date: Fri, 03 Oct 2008 07:56:57 -0700 From: Ulrich Drepper Organization: Red Hat, Inc. User-Agent: Thunderbird 2.0.0.16 (X11/20080723) MIME-Version: 1.0 To: Kees Cook CC: Arjan van de Ven , linux-kernel@vger.kernel.org, libc-alpha@sourceware.org Subject: Re: [PATCH] ELF: implement AT_RANDOM for glibc PRNG seeding 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> <48E5BAC6.9070007@redhat.com> <20081003145054.GU10632@outflux.net> In-Reply-To: <20081003145054.GU10632@outflux.net> 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: 797 Lines: 22 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 There is no need for a AT_RANDOM_SIZE entry. It's unlikely that ever a different value is used. The kernel's entropy pool cannot be strssed that much. If more data is needed userlevel will use the bits to seed a PRNG. - -- ➧ Ulrich Drepper ➧ Red Hat, Inc. ➧ 444 Castro St ➧ Mountain View, CA ❖ -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) iEYEARECAAYFAkjmMrkACgkQ2ijCOnn/RHS9QQCgvCKS9jKMmCI+ow3BmboHgjfb 5CAAni8Qohrs3qZ1RPa9fqCKMsUE355o =9bI+ -----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/