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Thu, 21 Mar 2024 14:44:43 +0000 Received: from smtpav02.dal12v.mail.ibm.com (smtpav02.dal12v.mail.ibm.com [10.241.53.101]) by smtprelay04.wdc07v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 42LEiedj27918724 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 21 Mar 2024 14:44:43 GMT Received: from smtpav02.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id C109E5805E; Thu, 21 Mar 2024 14:44:40 +0000 (GMT) Received: from smtpav02.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 4751D5805C; Thu, 21 Mar 2024 14:44:40 +0000 (GMT) Received: from sbct-3.bos2.lab (unknown [9.47.158.153]) by smtpav02.dal12v.mail.ibm.com (Postfix) with ESMTP; Thu, 21 Mar 2024 14:44:40 +0000 (GMT) From: Stefan Berger To: linux-crypto@vger.kernel.org, herbert@gondor.apana.org.au, davem@davemloft.net Cc: linux-kernel@vger.kernel.org, saulo.alessandre@tse.jus.br, vt@altlinux.org, Stefan Berger , stable@vger.kernel.org Subject: [PATCH] crypto: ecdsa - Fix module auto-load on add-key Date: Thu, 21 Mar 2024 10:44:33 -0400 Message-ID: <20240321144433.1671394-1-stefanb@linux.ibm.com> X-Mailer: git-send-email 2.44.0 Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: P6JNfM7pNRBercAoahdfaTZDGok4O-dq X-Proofpoint-ORIG-GUID: P6JNfM7pNRBercAoahdfaTZDGok4O-dq X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-03-21_10,2024-03-21_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 mlxlogscore=999 lowpriorityscore=0 clxscore=1011 bulkscore=0 malwarescore=0 suspectscore=0 impostorscore=0 priorityscore=1501 mlxscore=0 spamscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2403140000 definitions=main-2403210105 Add module alias with the algorithm cra_name similar to what we have for RSA-related and other algorithms. The kernel attempts to modprobe asymmetric algorithms using the names "crypto-$cra_name" and "crypto-$cra_name-all." However, since these aliases are currently missing, the modules are not loaded. For instance, when using the `add_key` function, the hash algorithm is typically loaded automatically, but the asymmetric algorithm is not. Steps to test: 1. Create certificate openssl req -x509 -sha256 -newkey ec \ -pkeyopt "ec_paramgen_curve:secp384r1" -keyout key.pem -days 365 \ -subj '/CN=test' -nodes -outform der -out nist-p384.der 2. Optionally, trace module requests with: trace-cmd stream -e module & 3. Trigger add_key call for the cert: # keyctl padd asymmetric "" @u < nist-p384.der 641069229 # lsmod | head -2 Module Size Used by ecdsa_generic 16384 0 Fixes: c12d448ba939 ("crypto: ecdsa - Register NIST P384 and extend test suite") Cc: stable@vger.kernel.org Signed-off-by: Stefan Berger Reviewed-by: Vitaly Chikunov --- crypto/ecdsa.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/crypto/ecdsa.c b/crypto/ecdsa.c index fbd76498aba8..3f9ec273a121 100644 --- a/crypto/ecdsa.c +++ b/crypto/ecdsa.c @@ -373,4 +373,7 @@ module_exit(ecdsa_exit); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Stefan Berger "); MODULE_DESCRIPTION("ECDSA generic algorithm"); +MODULE_ALIAS_CRYPTO("ecdsa-nist-p192"); +MODULE_ALIAS_CRYPTO("ecdsa-nist-p256"); +MODULE_ALIAS_CRYPTO("ecdsa-nist-p384"); MODULE_ALIAS_CRYPTO("ecdsa-generic");