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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Thu, 13 Jun 2019 21:48:31 +0100 Received: from b06wcsmtp001.portsmouth.uk.ibm.com (b06wcsmtp001.portsmouth.uk.ibm.com [9.149.105.160]) by b06cxnps4075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x5DKmUox30867460 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 13 Jun 2019 20:48:30 GMT Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 507F7A4054; Thu, 13 Jun 2019 20:48:30 +0000 (GMT) Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 7600EA405B; Thu, 13 Jun 2019 20:48:29 +0000 (GMT) Received: from localhost.localdomain (unknown [9.80.81.91]) by b06wcsmtp001.portsmouth.uk.ibm.com (Postfix) with ESMTP; Thu, 13 Jun 2019 20:48:29 +0000 (GMT) Subject: Re: [PATCH V8 0/3] Add support for measuring the boot command line during kexec_file_load From: Mimi Zohar To: Prakhar Srivastava , linux-integrity@vger.kernel.org, linux-security-module@vger.kernel.org, linux-kernel@vger.kernel.org Cc: roberto.sassu@huawei.com, vgoyal@redhat.com Date: Thu, 13 Jun 2019 16:48:18 -0400 In-Reply-To: <20190612221549.28399-1-prsriva02@gmail.com> References: <20190612221549.28399-1-prsriva02@gmail.com> 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: 7bit X-TM-AS-GCONF: 00 x-cbid: 19061320-0012-0000-0000-00000328EE6B X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19061320-0013-0000-0000-00002161FC0C Message-Id: <1560458898.4805.76.camel@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-06-13_12:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1906130156 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2019-06-12 at 15:15 -0700, Prakhar Srivastava wrote: > The kexec cmdline hash is stored in the "d-ng" field of the template data. > and can be verified using > sudo cat /sys/kernel/security/integrity/ima/ascii_runtime_measurements | > grep kexec-cmdline | cut -d' ' -f 6 | xxd -r -p | sha256sum This information should also be included in one of the patches. Mimi