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Sun, 5 Apr 2026 23:12:32 +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 , David Howells , Lukas Wunner , Ignat Korchagin , keyrings@vger.kernel.org, linux-crypto@vger.kernel.org Subject: [PATCH 1/3] crypto: public_key: Remove check for valid hash_algo for ML-DSA keys Date: Sun, 5 Apr 2026 19:12:22 -0400 Message-ID: <20260405231224.4008298-2-stefanb@linux.ibm.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260405231224.4008298-1-stefanb@linux.ibm.com> References: <20260405231224.4008298-1-stefanb@linux.ibm.com> Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: E2_gpMsXKyTCKxIyhMMyi9dQ7_Ljeu70 X-Proofpoint-ORIG-GUID: E2_gpMsXKyTCKxIyhMMyi9dQ7_Ljeu70 X-Authority-Analysis: v=2.4 cv=bLYb4f+Z c=1 sm=1 tr=0 ts=69d2ec63 cx=c_pps a=GFwsV6G8L6GxiO2Y/PsHdQ==:117 a=GFwsV6G8L6GxiO2Y/PsHdQ==:17 a=A5OVakUREuEA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=RzCfie-kr_QcCd8fBx8p:22 a=20KFwNOVAAAA:8 a=VwQbUJbxAAAA:8 a=VnNF1IyMAAAA:8 a=ZmJwLY9U1ndrk4b8UDEA:9 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDA1MDIzNyBTYWx0ZWRfX8M6uFqyctA6d W8Ps4YI/PoLhVbuEhrcEZwVKkL/n5DbGkg2QemXdx7ZAxWrIIQlL7VLnsF3MEbjM0rKU5/97LYW n5X/1zD21efxESlHEyUu78vrOSsSsEB/+JIunvB0shbqbcnj0J5LZTCPVUo/E2i7qrVv+ZI/NsS Xk3gepLpDmTIPK5DRu37R6+kahvU64Jy32GQkHxDj80iSnQhJg8AGGq8OArE+9pLb2Qxb8Eceih DEeY4H1WDUL7rsPzzmxCkZZjfb/EmdIGBG8fz2umew0VaptwIPvhW3Gs/JwwZ/hY/V11F6ufvjY PzoQB0Zpr44OIb+0hn4MYLoWcN8uffrVPjlw3HJ/nvBelOCC9TWLKNzETc63ngx9e8LsfJPNKnY 25gEOy3Pyy7SQeBFW+6pau4si0cKb3JwtJvAkDxYyeiOXxrh6J7XY6dRiqPgFL5/AIDVIfMGkXK q+nNnXAu80/ozCa01JQ== 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=2026-04-05_07,2026-04-03_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1011 adultscore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 priorityscore=1501 lowpriorityscore=0 malwarescore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2604050237 Remove the check for the hash_algo since ML-DSA is only used in pure mode and there is no relevance of a hash_algo for the input data. Cc: David Howells Cc: Lukas Wunner Cc: Ignat Korchagin Cc: keyrings@vger.kernel.org Cc: linux-crypto@vger.kernel.org Signed-off-by: Stefan Berger --- crypto/asymmetric_keys/public_key.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/crypto/asymmetric_keys/public_key.c b/crypto/asymmetric_keys/public_key.c index 09a0b83d5d77..df6918a77ab8 100644 --- a/crypto/asymmetric_keys/public_key.c +++ b/crypto/asymmetric_keys/public_key.c @@ -147,11 +147,6 @@ software_key_determine_akcipher(const struct public_key *pkey, strcmp(pkey->pkey_algo, "mldsa87") == 0) { if (strcmp(encoding, "raw") != 0) return -EINVAL; - if (!hash_algo) - return -EINVAL; - if (strcmp(hash_algo, "none") != 0 && - strcmp(hash_algo, "sha512") != 0) - return -EINVAL; } else { /* Unknown public key algorithm */ return -ENOPKG; -- 2.53.0