linux-kernel - Re: [PATCH v7 13/13] crypto: x509 - Add OID for NIST P521 and extend parser for it

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Message-Id: <CZZLN3B7TMG5.1A0518I6Z3MEA@kernel.org>
Date: Thu, 21 Mar 2024 19:20:42 +0200
From: "Jarkko Sakkinen" <jarkko@...nel.org>
To: "Stefan Berger" <stefanb@...ux.ibm.com>, <keyrings@...r.kernel.org>,
 <linux-crypto@...r.kernel.org>, <herbert@...dor.apana.org.au>,
 <davem@...emloft.net>
Cc: <linux-kernel@...r.kernel.org>, <saulo.alessandre@....jus.br>,
 <lukas@...ner.de>, <bbhushan2@...vell.com>, "David Howells"
 <dhowells@...hat.com>
Subject: Re: [PATCH v7 13/13] crypto: x509 - Add OID for NIST P521 and
 extend parser for it

On Wed Mar 20, 2024 at 1:47 PM EET, Stefan Berger wrote:
> Enable the x509 parser to accept NIST P521 certificates and add the
> OID for ansip521r1, which is the identifier for NIST P521.
>
> Cc: David Howells <dhowells@...hat.com>
> Signed-off-by: Stefan Berger <stefanb@...ux.ibm.com>
> Tested-by: Lukas Wunner <lukas@...ner.de>
> ---
>  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 487204d39426..99f809b7910b 100644
> --- a/crypto/asymmetric_keys/x509_cert_parser.c
> +++ b/crypto/asymmetric_keys/x509_cert_parser.c
> @@ -538,6 +538,9 @@ int x509_extract_key_data(void *context, size_t hdrlen,
>  		case OID_id_ansip384r1:
>  			ctx->cert->pub->pkey_algo = "ecdsa-nist-p384";
>  			break;
> +		case OID_id_ansip521r1:
> +			ctx->cert->pub->pkey_algo = "ecdsa-nist-p521";
> +			break;
>  		default:
>  			return -ENOPKG;
>  		}
> diff --git a/include/linux/oid_registry.h b/include/linux/oid_registry.h
> index 3921fbed0b28..af16d96fbbf2 100644
> --- a/include/linux/oid_registry.h
> +++ b/include/linux/oid_registry.h
> @@ -65,6 +65,7 @@ enum OID {
>  	OID_Scram,			/* 1.3.6.1.5.5.14 */
>  	OID_certAuthInfoAccess,		/* 1.3.6.1.5.5.7.1.1 */
>  	OID_id_ansip384r1,		/* 1.3.132.0.34 */
> +	OID_id_ansip521r1,		/* 1.3.132.0.35 */
>  	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 */

Reviewed-by: Jarkko Sakkinen <jarkko@...nel.org>

BR, Jarkko