Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753194AbcD2LEz (ORCPT ); Fri, 29 Apr 2016 07:04:55 -0400 Received: from mx1.redhat.com ([209.132.183.28]:52992 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752793AbcD2LEx (ORCPT ); Fri, 29 Apr 2016 07:04:53 -0400 Date: Fri, 29 Apr 2016 12:04:46 +0100 From: "Richard W.M. Jones" To: Stephan Mueller Cc: linux-kernel@vger.kernel.org, corbet@lwn.net, herbert@gondor.apana.org.au, davem@davemloft.net, linux-doc@vger.kernel.org, linux-crypto@vger.kernel.org Subject: Re: [PATCH] crypto: Add a flag allowing the self-tests to be disabled at runtime. Message-ID: <20160429110446.GD28599@redhat.com> References: <1461924463-1678-1-git-send-email-rjones@redhat.com> <1461924463-1678-2-git-send-email-rjones@redhat.com> <1716181.h8M5zx62aT@tauon.atsec.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1716181.h8M5zx62aT@tauon.atsec.com> User-Agent: Mutt/1.5.20 (2009-12-10) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1255 Lines: 40 On Fri, Apr 29, 2016 at 12:59:57PM +0200, Stephan Mueller wrote: > Am Freitag, 29. April 2016, 11:07:43 schrieb Richard W.M. Jones: > > Hi Richard, [...] > > + if (notests) { > > What about if (!fips_enabled && notests) ? > > I am not sure whether the kernel should prevent mistakes in user space. A > mistake would be when setting fips=1 and notests=1 as the FIPS mode mandates > the self tests. (Sorry, I just posted v2 before I saw this message.) I saw the FIPS stuff and thought about that. Should we prevent mistakes like that? I really don't know. Rich. > > + pr_info("alg: self-tests disabled\n"); > > + return 0; > > + } > > + > > alg_test_descs_check_order(); > > > > if ((type & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_CIPHER) { > > > Ciao > Stephan > -- > | Nimm das Recht weg - | > | was ist dann der Staat noch anderes als eine gro?e R?uberbande? | -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones Read my programming and virtualization blog: http://rwmj.wordpress.com virt-df lists disk usage of guests without needing to install any software inside the virtual machine. Supports Linux and Windows. http://people.redhat.com/~rjones/virt-df/