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

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Message-ID: <e1a6e006f6104aa49b01c4c3ddb0c5f1968dc708.camel@kernel.org>
Date:   Wed, 22 Sep 2021 00:06:32 +0300
From:   Jarkko Sakkinen <jarkko@...nel.org>
To:     Tianjia Zhang <tianjia.zhang@...ux.alibaba.com>,
        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

On Sat, 2021-09-18 at 10:25 +0800, Tianjia Zhang wrote:
> 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;
> > 

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

/Jarkko