linux-kernel - [PATCH v12 09/10] x509: Add OID for NIST P384 and extend parser for it

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Message-Id: <20210316210740.1592994-10-stefanb@linux.ibm.com>
Date:   Tue, 16 Mar 2021 17:07:39 -0400
From:   Stefan Berger <stefanb@...ux.ibm.com>
To:     keyrings@...r.kernel.org, linux-crypto@...r.kernel.org,
        davem@...emloft.net, herbert@...dor.apana.org.au,
        dhowells@...hat.com, zohar@...ux.ibm.com, jarkko@...nel.org
Cc:     linux-integrity@...r.kernel.org,
        linux-security-module@...r.kernel.org,
        linux-kernel@...r.kernel.org, patrick@...terwijk.org,
        Saulo Alessandre <saulo.alessandre@....jus.br>,
        Stefan Berger <stefanb@...ux.ibm.com>
Subject: [PATCH v12 09/10] x509: Add OID for NIST P384 and extend parser for it

From: Saulo Alessandre <saulo.alessandre@....jus.br>

Prepare the x509 parser to accept NIST P384 certificates and add the
OID for ansip384r1, which is the identifier for NIST P384.

Summary of changes:

* crypto/asymmetric_keys/x509_cert_parser.c
  - prepare x509 parser to load NIST P384

* include/linux/oid_registry.h
  - add OID_ansip384r1

Signed-off-by: Saulo Alessandre <saulo.alessandre@....jus.br>
Tested-by: Stefan Berger <stefanb@...ux.ibm.com>

---

v10->v11:
 - renamed OID_id_secp384r1 to OID_id_ansip384r1 (spec name)
---
 crypto/asymmetric_keys/x509_cert_parser.c | 3 +++
 include/linux/oid_registry.h              | 1 +
 2 files changed, 4 insertions(+)

diff --git a/crypto/asymmetric_keys/x509_cert_parser.c b/crypto/asymmetric_keys/x509_cert_parser.c
index f5d547c6dfb5..6d003096b5bc 100644
--- a/crypto/asymmetric_keys/x509_cert_parser.c
+++ b/crypto/asymmetric_keys/x509_cert_parser.c
@@ -510,6 +510,9 @@ int x509_extract_key_data(void *context, size_t hdrlen,
 		case OID_id_prime256v1:
 			ctx->cert->pub->pkey_algo = "ecdsa-nist-p256";
 			break;
+		case OID_id_ansip384r1:
+			ctx->cert->pub->pkey_algo = "ecdsa-nist-p384";
+			break;
 		default:
 			return -ENOPKG;
 		}
diff --git a/include/linux/oid_registry.h b/include/linux/oid_registry.h
index 3583908cf1ca..cc64d9419746 100644
--- a/include/linux/oid_registry.h
+++ b/include/linux/oid_registry.h
@@ -64,6 +64,7 @@ enum OID {
 
 	OID_certAuthInfoAccess,		/* 1.3.6.1.5.5.7.1.1 */
 	OID_sha1,			/* 1.3.14.3.2.26 */
+	OID_id_ansip384r1,		/* 1.3.132.0.34 */
 	OID_sha256,			/* 2.16.840.1.101.3.4.2.1 */
 	OID_sha384,			/* 2.16.840.1.101.3.4.2.2 */
 	OID_sha512,			/* 2.16.840.1.101.3.4.2.3 */
-- 
2.29.2