From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753477AbaETMMa (ORCPT ); Tue, 20 May 2014 08:12:30 -0400 Received: from mga03.intel.com ([143.182.124.21]:2109 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750987AbaETMM3 convert rfc822-to-8bit (ORCPT ); Tue, 20 May 2014 08:12:29 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.98,874,1392192000"; d="scan'208";a="434467287" From: Andi Kleen To: =?utf-8?Q?J=C3=B6rn?= Engel Cc: "Theodore Ts'o" , "H. Peter Anvin" , lkml Subject: Re: [PATCH] random: mix all saved registers into entropy pool References: <20140519211719.GA14563@logfs.org> Date: Tue, 20 May 2014 05:12:07 -0700 In-Reply-To: <20140519211719.GA14563@logfs.org> (=?utf-8?Q?=22J=C3=B6rn?= Engel"'s message of "Mon, 19 May 2014 17:17:19 -0400") Message-ID: <8761l0r6nc.fsf@tassilo.jf.intel.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) MIME-Version: 1.0 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 Jörn Engel writes: > > An alternate high-resolution timer is the register content at the time > of an interrupt. So if you interrupt a cryptographic function you may hash in parts of the key? -Andi -- ak@linux.intel.com -- Speaking for myself only