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Mon, 04 May 2026 04:03:17 -0700 (PDT) Received: from kam-mbp.juniper.net ([136.226.252.191]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-835158bcb99sm13138618b3a.25.2026.05.04.04.03.15 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Mon, 04 May 2026 04:03:17 -0700 (PDT) From: Kamlesh Kumar X-Google-Original-From: Kamlesh Kumar To: stefanb@linux.ibm.com Cc: linux-integrity@vger.kernel.org, Kamlesh Kumar Subject: Re: [PATCH v3 0/4] Add support for ML-DSA signature for EVM and IMA Date: Mon, 4 May 2026 16:32:54 +0530 Message-Id: <20260504110254.88568-1-kam@juniper.net> X-Mailer: git-send-email 2.39.5 (Apple Git-154) In-Reply-To: <20260416154039.1648083-1-stefanb@linux.ibm.com> References: <20260416154039.1648083-1-stefanb@linux.ibm.com> Precedence: bulk X-Mailing-List: linux-integrity@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit On 4/16/26 11:40 AM, Stefan Berger wrote: > 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 > Hi Stefan, I have tested this patch series on x86_64 and IMA signature v3 appraisal works correctly with ML-DSA keys and appraise_type=sigv3. Signature v3 works with appraise_type=imasig also and I think it is intentional for backward compatibility of ima policies. Tested-by: Kamlesh Kumar