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Wed, 25 Mar 2026 00:10:59 +0000 (GMT) From: Stefan Berger To: linux-integrity@vger.kernel.org Cc: linux-kernel@vger.kernel.org, ebiggers@kernel.org, zohar@linux.ibm.com, roberto.sassu@huawei.com, Stefan Berger Subject: [PATCH] integrity: Allow sigv3 verification on EVM_XATTR_PORTABLE_DIGSIG Date: Tue, 24 Mar 2026 20:10:51 -0400 Message-ID: <20260325001051.754093-1-stefanb@linux.ibm.com> X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: linux-integrity@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: B8CD-AT6hvq7MJfhwUThvotqqTb_xZ0C X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzI0MDE4NCBTYWx0ZWRfX1MjR4eTbE2Y9 5RuXAaR8sQ2O4j7UFy3cuRkhF6b4LLPZ9O26Vh/7tF4dT/hXPyp4JQHVd6a0ICB9ALAXEKZIQeU m0CmyUY0htxTlR2FB0wfBIzRMiFNzbmvt55b06uFGztaGLE7xfx/NVfftcoYdwgvQN+9OCUa3Qo tE5AEF6VQcOlBgUu+qxGLwqwCTjVk0JSY09RDBd++1otBeWdPBDY3NAl3Dk6WpfZHNVPtnRGBAW SgICOXfSHibDkYvZsvaybTj/JwIiVFXXW4gzSUTtJcGHnZyYhyX9Rn7FddYlTIoR7X9gkRbzhhf FdOi7UpmQ5zskTekzCsVEpEq/ItpkatGJTEZ6+kem9ZZbDPuCDoYDlVXbOYNOm2Y3pJZbZllgxV 1ldHNI88v+VAKyIjReh/X2nVE2bD523MOt05O96RhvnRZx6x3UNZVw73tJksBg1oQ3H9Vu0O6FK KFInKttfhZoL1VFa3ag== X-Authority-Analysis: v=2.4 cv=bLEb4f+Z c=1 sm=1 tr=0 ts=69c32817 cx=c_pps a=bLidbwmWQ0KltjZqbj+ezA==:117 a=bLidbwmWQ0KltjZqbj+ezA==:17 a=Yq5XynenixoA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=iQ6ETzBq9ecOQQE5vZCe:22 a=VnNF1IyMAAAA:8 a=uN4yorV44qNG5XsAaIAA:9 a=ZXulRonScM0A:10 a=zZCYzV9kfG8A:10 X-Proofpoint-GUID: B8CD-AT6hvq7MJfhwUThvotqqTb_xZ0C X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-03-24_04,2026-03-24_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 adultscore=0 clxscore=1015 phishscore=0 impostorscore=0 malwarescore=0 lowpriorityscore=0 suspectscore=0 bulkscore=0 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603240184 Allow sigv3 verification on EVM_XATTR_PORTABLE_DIGSIG on RSA, ECDSA, ECRDSA, and SM2 signatures. Signed-off-by: Stefan Berger --- security/integrity/digsig_asymmetric.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/security/integrity/digsig_asymmetric.c b/security/integrity/digsig_asymmetric.c index 6b21b9bf829e..6e68ec3becbd 100644 --- a/security/integrity/digsig_asymmetric.c +++ b/security/integrity/digsig_asymmetric.c @@ -154,7 +154,8 @@ static int calc_file_id_hash(enum evm_ima_xattr_type type, size_t file_id_size; int rc; - if (type != IMA_VERITY_DIGSIG && type != EVM_IMA_XATTR_DIGSIG) + if (type != IMA_VERITY_DIGSIG && type != EVM_IMA_XATTR_DIGSIG && + type != EVM_XATTR_PORTABLE_DIGSIG) return -EINVAL; tfm = crypto_alloc_shash(hash_algo_name[algo], 0, 0); base-commit: 3fa0dea50084da8279fb4b1175b3a9b4fc16f052 -- 2.53.0