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Thu, 16 Apr 2026 15:40:43 +0000 (GMT) From: Stefan Berger To: linux-integrity@vger.kernel.org, linux-security-module@vger.kernel.org Cc: linux-kernel@vger.kernel.org, zohar@linux.ibm.com, roberto.sassu@huawei.com, ebiggers@kernel.org, Stefan Berger Subject: [PATCH v3 0/4] Add support for ML-DSA signature for EVM and IMA Date: Thu, 16 Apr 2026 11:40:35 -0400 Message-ID: <20260416154039.1648083-1-stefanb@linux.ibm.com> X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: linux-security-module@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDE2MDE0NiBTYWx0ZWRfXx8wg7EBImvad aJRV7VFzdzZuJzvo0wjL+0N0pNob+gGbXg+CCEYsuj83sBTFUl9XK09ERmvPALNcTJ/LHzBT3fC DAv9TY+MhpPsy2YFx9U0+35oD6SQxOOkMz7As1AR2gOk9RlSHQRmXINnud67NtxRuSqQqZvHU2P 5nNbVS1Zjz7+Rq5aMcELqE5bBDCW6MJg8sTbnAvH8N9RmUrzQKmE5IafNycIaZKy41ffItrg6Gz Z0ilNxVcLThLB3QtCjIjuUGeYxh6tPHAxMMdC+bwxbGSsJWLlyZOmjBA/NbljsCqZkKpNtYOCpm WEP7wYEZ7fSCH0ErNllSUuqXqxSlzRxeyE8WoW23c3EMf34HYSX5RkjTolpOrWOge2HN6UwbZnr aVidFBwBS4yvv4/ayd7/Snk0V1sW2N7BSWZqDD8i4GNdptXCTVT6rSnjF8uOCmNtslWuYpIAv5F UzcYwDFoNGZC7fGgNQw== X-Proofpoint-ORIG-GUID: jWv8dB5JhOAR2GWJ9nGvjsUaEjb-qaoJ X-Proofpoint-GUID: jWv8dB5JhOAR2GWJ9nGvjsUaEjb-qaoJ X-Authority-Analysis: v=2.4 cv=fYidDUQF c=1 sm=1 tr=0 ts=69e102ff cx=c_pps a=GFwsV6G8L6GxiO2Y/PsHdQ==:117 a=GFwsV6G8L6GxiO2Y/PsHdQ==:17 a=A5OVakUREuEA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=U7nrCbtTmkRpXpFmAIza:22 a=TEWfzw_xA5YbLXciGhYA:9 a=ZXulRonScM0A:10 a=zZCYzV9kfG8A:10 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=2026-04-16_03,2026-04-16_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 impostorscore=0 clxscore=1015 malwarescore=0 phishscore=0 bulkscore=0 priorityscore=1501 spamscore=0 suspectscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604070000 definitions=main-2604160146 Based on IMA sigv3 type of signatures, add support for ML-DSA signature for EVM and IMA. Use the existing ML-DSA hashless signing mode (pure mode). Stefan v3: - new patches 1/4 and 2/4 - addressed Mimi's comments on v2 v2: - Dropped 1/3 - Using "none" as hash_algo in 2/2 Stefan Berger (4): integrity: Check for NULL returned by asymmetric_key_public_key integrity: Check that algo parameter is within valid range integrity: Refactor asymmetric_verify for reusability integrity: Add support for sigv3 verification using ML-DSA keys security/integrity/digsig_asymmetric.c | 152 +++++++++++++++++++++---- 1 file changed, 131 insertions(+), 21 deletions(-) base-commit: 82bbd447199ff1441031d2eaf9afe041550cf525 -- 2.53.0