Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751444AbdIKVeS (ORCPT ); Mon, 11 Sep 2017 17:34:18 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:48863 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750853AbdIKVeQ (ORCPT ); Mon, 11 Sep 2017 17:34:16 -0400 Subject: Re: [GIT PULL] Security subsystem updates for 4.14 From: Mimi Zohar To: Christoph Hellwig Cc: Linus Torvalds , James Morris , Linux Kernel Mailing List , LSM List , Dmitry Kasatkin , 5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c@infradead.org Date: Mon, 11 Sep 2017 17:34:05 -0400 In-Reply-To: <20170911063834.GB10489@infradead.org> References: <20170908070943.GA26549@infradead.org> <20170910081047.GA19533@infradead.org> <1505052162.3224.64.camel@linux.vnet.ibm.com> <20170911063834.GB10489@infradead.org> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.20.5 (3.20.5-1.fc24) Mime-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-MML: disable x-cbid: 17091121-0004-0000-0000-0000022E4952 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 17091121-0005-0000-0000-00005E1678D6 Message-Id: <1505165645.3470.1.camel@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2017-09-11_08:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=0 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1707230000 definitions=main-1709110322 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 654 Lines: 15 On Sun, 2017-09-10 at 23:38 -0700, Christoph Hellwig wrote: > On Sun, Sep 10, 2017 at 10:02:42AM -0400, Mimi Zohar wrote: > > We need to differentiate between policies and x509 certificates.  In > > the policy case, they need to be signed and appraised, while in the > > x509 certificate case, the certificate itself is signed so the file > > doesn't need to be signed or verified. > > How about you take this sketch over - I don't know much about the > integrity code, and it seems like you actually wrote > kernel_read_file_from_path as well - so you're at least 3 times as > qualified as I am in this area.. Sure, it's been on my to do list. Mimi