Re: [PATCH] pkcs7: support EC-RDSA/streebog in SignerInfo

[Tianjia Zhang]

ping.

On 5/11/21 10:47 PM, Elvira Khabirova wrote:
> Allow using EC-RDSA/streebog in pkcs7 certificates in a similar way
> to how it's done in the x509 parser.
>
> This is needed e.g. for loading kernel modules signed with EC-RDSA.
>
> Signed-off-by: Elvira Khabirova <e.khabirova@xxxxxx>
> ---
>   crypto/asymmetric_keys/pkcs7_parser.c | 11 +++++++++++
>   1 file changed, 11 insertions(+)
>
> diff --git a/crypto/asymmetric_keys/pkcs7_parser.c b/crypto/asymmetric_keys/pkcs7_parser.c
> index 967329e0a07b..39c260a04167 100644
> --- a/crypto/asymmetric_keys/pkcs7_parser.c
> +++ b/crypto/asymmetric_keys/pkcs7_parser.c
> @@ -248,6 +248,12 @@ int pkcs7_sig_note_digest_algo(void *context, size_t hdrlen,
>   	case OID_sha224:
>   		ctx->sinfo->sig->hash_algo = "sha224";
>   		break;
> +	case OID_gost2012Digest256:
> +		ctx->sinfo->sig->hash_algo = "streebog256";
> +		break;
> +	case OID_gost2012Digest512:
> +		ctx->sinfo->sig->hash_algo = "streebog512";
> +		break;
>   	default:
>   		printk("Unsupported digest algo: %u\n", ctx->last_oid);
>   		return -ENOPKG;
> @@ -269,6 +275,11 @@ int pkcs7_sig_note_pkey_algo(void *context, size_t hdrlen,
>   		ctx->sinfo->sig->pkey_algo = "rsa";
>   		ctx->sinfo->sig->encoding = "pkcs1";
>   		break;
> +	case OID_gost2012PKey256:
> +	case OID_gost2012PKey512:
> +		ctx->sinfo->sig->pkey_algo = "ecrdsa";
> +		ctx->sinfo->sig->encoding = "raw";
> +		break;
>   	default:
>   		printk("Unsupported pkey algo: %u\n", ctx->last_oid);
>   		return -ENOPKG;