linux-kernel - Re: [PATCH v3] pkcs7: make parser enable SM2 and SM3 algorithms combination

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Message-ID: <ba6bdc45-d0f1-2a33-4ccd-67c2739567a3@linux.alibaba.com>
Date:   Sat, 18 Sep 2021 10:25:22 +0800
From:   Tianjia Zhang <tianjia.zhang@...ux.alibaba.com>
To:     David Howells <dhowells@...hat.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Biggers <ebiggers@...gle.com>,
        Eric Biggers <ebiggers@...nel.org>,
        Mimi Zohar <zohar@...ux.ibm.com>,
        Vitaly Chikunov <vt@...linux.org>,
        Gilad Ben-Yossef <gilad@...yossef.com>,
        Pascal van Leeuwen <pvanleeuwen@...bus.com>,
        keyrings@...r.kernel.org, linux-crypto@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Jia Zhang <zhang.jia@...ux.alibaba.com>
Subject: Re: [PATCH v3] pkcs7: make parser enable SM2 and SM3 algorithms
 combination

ping.

On 6/24/21 5:47 PM, Tianjia Zhang wrote:
> Support parsing the message signature of the SM2 and SM3 algorithm
> combination. This group of algorithms has been well supported. One
> of the main users is module signature verification.
> 
> Signed-off-by: Tianjia Zhang <tianjia.zhang@...ux.alibaba.com>
> ---
>   crypto/asymmetric_keys/pkcs7_parser.c | 7 +++++++
>   1 file changed, 7 insertions(+)
> 
> diff --git a/crypto/asymmetric_keys/pkcs7_parser.c b/crypto/asymmetric_keys/pkcs7_parser.c
> index 967329e0a07b..6cf6c4552c11 100644
> --- a/crypto/asymmetric_keys/pkcs7_parser.c
> +++ b/crypto/asymmetric_keys/pkcs7_parser.c
> @@ -248,6 +248,9 @@ int pkcs7_sig_note_digest_algo(void *context, size_t hdrlen,
>   	case OID_sha224:
>   		ctx->sinfo->sig->hash_algo = "sha224";
>   		break;
> +	case OID_sm3:
> +		ctx->sinfo->sig->hash_algo = "sm3";
> +		break;
>   	default:
>   		printk("Unsupported digest algo: %u\n", ctx->last_oid);
>   		return -ENOPKG;
> @@ -269,6 +272,10 @@ 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_SM2_with_SM3:
> +		ctx->sinfo->sig->pkey_algo = "sm2";
> +		ctx->sinfo->sig->encoding = "raw";
> +		break;
>   	default:
>   		printk("Unsupported pkey algo: %u\n", ctx->last_oid);
>   		return -ENOPKG;
>