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

From: Jarkko Sakkinen
Date: Thu Mar 21 2024 - 14:25:34 EST


On Thu Mar 21, 2024 at 7:42 PM EET, Stefan Berger wrote:
>
>
> On 3/21/24 13:20, Jarkko Sakkinen wrote:
> > 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@xxxxxxxxxx>
> >> Signed-off-by: Stefan Berger <stefanb@xxxxxxxxxxxxx>
> >> Tested-by: Lukas Wunner <lukas@xxxxxxxxx>
> >> ---
> >> 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_registryh
> >> 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@xxxxxxxxxx>
> >
> > BR, Jarkko
>
>
> Thanks for the tags.

Sure, at least the noise I've made is the sign that someone actually did
read through all the code changes, right? :-)

BR, Jarkko