From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:60118 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751781AbdJSLpR (ORCPT ); Thu, 19 Oct 2017 07:45:17 -0400 Received: from pps.filterd (m0098399.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id v9JBivR9129164 for ; Thu, 19 Oct 2017 07:45:17 -0400 Received: from e06smtp11.uk.ibm.com (e06smtp11.uk.ibm.com [195.75.94.107]) by mx0a-001b2d01.pphosted.com with ESMTP id 2dpp8cyya6-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Thu, 19 Oct 2017 07:45:16 -0400 Received: from localhost by e06smtp11.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Thu, 19 Oct 2017 12:45:14 +0100 Received: from d23av01.au.ibm.com (d23av01.au.ibm.com [9.190.234.96]) by b06cxnps4075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id v9JBjA9T24510610 for ; Thu, 19 Oct 2017 11:45:11 GMT Received: from d23av01.au.ibm.com (localhost [127.0.0.1]) by d23av01.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id v9JBjAnA000740 for ; Thu, 19 Oct 2017 22:45:11 +1100 Subject: Re: RFC: Make it practical to ship EVM signatures From: Mimi Zohar To: Dmitry Kasatkin Cc: Mikhail Kurinnoi , Matthew Garrett , linux-integrity Date: Thu, 19 Oct 2017 07:45:06 -0400 In-Reply-To: References: <20170927221653.11219-1-mjg59@google.com> <1506629560.5691.33.camel@linux.vnet.ibm.com> <1506646397.5691.64.camel@linux.vnet.ibm.com> <1506711726.5691.141.camel@linux.vnet.ibm.com> <1506715304.5691.151.camel@linux.vnet.ibm.com> <1507571511.3748.9.camel@linux.vnet.ibm.com> <1507572900.3748.21.camel@linux.vnet.ibm.com> <1507574441.3748.40.camel@linux.vnet.ibm.com> <20171009232314.545de76a@totoro> <1507583449.3748.46.camel@linux.vnet.ibm.com> <20171010003326.6409ae23@totoro> <1507585253.3748.57.camel@linux.vnet.ibm.com> <20171010021052.47d42db6@totoro> <1507662460.3420.18.camel@linux.vnet.ibm.com> <1508358623.4510.35.camel@linux.vnet.ibm.com> <1508360841.4510.64.camel@linux.vnet.ibm.com> Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Message-Id: <1508413506.4510.105.camel@linux.vnet.ibm.com> Sender: linux-integrity-owner@vger.kernel.org List-ID: On Thu, 2017-10-19 at 13:36 +0300, Dmitry Kasatkin wrote: > On Thu, Oct 19, 2017 at 12:07 AM, Mimi Zohar wrote: > > > > We're at the point of making the portable EVM signature immutable. By > > immutable, we mean that it isn't re-written as an HMAC. It is based > > on your ima-evm-utils support. > > Do you mean to have unconditionally immutable? The portable signature is then also immutable. Mimi