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[23.128.96.18]) by mx.google.com with ESMTP id r21si846343ejo.123.2021.01.27.04.40.30; Wed, 27 Jan 2021 04:40:54 -0800 (PST) Received-SPF: pass (google.com: domain of linux-crypto-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@ibm.com header.s=pp1 header.b=dloe6DeP; spf=pass (google.com: domain of linux-crypto-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-crypto-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=ibm.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233628AbhA0Mgx (ORCPT + 99 others); Wed, 27 Jan 2021 07:36:53 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:51034 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1343519AbhA0Mep (ORCPT ); Wed, 27 Jan 2021 07:34:45 -0500 Received: from pps.filterd (m0098404.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 10RCW5Cn149763; Wed, 27 Jan 2021 07:33:56 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=pp1; bh=vfwSj6vlYSSmIGdUcZZ+Hwp8PfJM9qaqp+/yheoF7G4=; b=dloe6DeP0AAHM46xfhdxr/TmFpxYdxb3klG1m/iDHfaDhR3LniowKXRgEuEJkQHazADy dUDh9eE1N/p103Y9KhSmyIvFDQk7YMybgVx+fRip5zH0nUn6uVG8D21CFxavoV4vD/Z1 7Awh8Oyqfy29cJ+Zyv5nCdd2mYN/vZoIl5gSwdMFBhV6J08rXX8WP3MNTIlPP6z+QpTn TBegQObb/KIyvA5tPyHIuULYLLM8Lw73waCzBqorDuTRrWYWtY7ghnNm/VjJBYVx8i7W 1QR5Ie8pjCsoBvwkeCRC8qING36HHdRlHUcbCJLwBrrGva0QIFWzdBqzbArjM66wxfHD 8A== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com with ESMTP id 36b503dtnb-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 27 Jan 2021 07:33:56 -0500 Received: from m0098404.ppops.net (m0098404.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.36/8.16.0.36) with SMTP id 10RCXtnT159722; Wed, 27 Jan 2021 07:33:55 -0500 Received: from ppma02wdc.us.ibm.com (aa.5b.37a9.ip4.static.sl-reverse.com [169.55.91.170]) by mx0a-001b2d01.pphosted.com with ESMTP id 36b503dtmn-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 27 Jan 2021 07:33:55 -0500 Received: from pps.filterd (ppma02wdc.us.ibm.com [127.0.0.1]) by ppma02wdc.us.ibm.com (8.16.0.42/8.16.0.42) with SMTP id 10RCWoUO003551; Wed, 27 Jan 2021 12:33:54 GMT Received: from b03cxnp07027.gho.boulder.ibm.com (b03cxnp07027.gho.boulder.ibm.com [9.17.130.14]) by ppma02wdc.us.ibm.com with ESMTP id 36acj99k2p-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 27 Jan 2021 12:33:54 +0000 Received: from b03ledav002.gho.boulder.ibm.com (b03ledav002.gho.boulder.ibm.com [9.17.130.233]) by b03cxnp07027.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 10RCXrS625231754 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 27 Jan 2021 12:33:53 GMT Received: from b03ledav002.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id AE08A13604F; Wed, 27 Jan 2021 12:33:53 +0000 (GMT) Received: from b03ledav002.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 020EE136053; Wed, 27 Jan 2021 12:33:53 +0000 (GMT) Received: from sbct-3.pok.ibm.com (unknown [9.47.158.153]) by b03ledav002.gho.boulder.ibm.com (Postfix) with ESMTP; Wed, 27 Jan 2021 12:33:52 +0000 (GMT) From: Stefan Berger To: dhowells@redhat.com, keyrings@vger.kernel.org Cc: linux-kernel@vger.kernel.org, herbert@gondor.apana.org.au, davem@davemloft.net, linux-crypto@vger.kernel.org, patrick@puiterwijk.org, Stefan Berger Subject: [PATCH v3 1/3] x509: Detect sm2 keys by their parameters OID Date: Wed, 27 Jan 2021 07:33:48 -0500 Message-Id: <20210127123350.817593-2-stefanb@linux.vnet.ibm.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210127123350.817593-1-stefanb@linux.vnet.ibm.com> References: <20210127123350.817593-1-stefanb@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.343,18.0.737 definitions=2021-01-27_05:2021-01-27,2021-01-27 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=999 bulkscore=0 spamscore=0 suspectscore=0 clxscore=1015 adultscore=0 lowpriorityscore=0 priorityscore=1501 impostorscore=0 phishscore=0 mlxscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2101270067 Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org From: Stefan Berger Detect whether a key is an sm2 type of key by its OID in the parameters array rather than assuming that everything under OID_id_ecPublicKey is sm2, which is not the case. Signed-off-by: Stefan Berger --- crypto/asymmetric_keys/x509_cert_parser.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/crypto/asymmetric_keys/x509_cert_parser.c b/crypto/asymmetric_keys/x509_cert_parser.c index 52c9b455fc7d..4643fe5ed69a 100644 --- a/crypto/asymmetric_keys/x509_cert_parser.c +++ b/crypto/asymmetric_keys/x509_cert_parser.c @@ -459,6 +459,7 @@ int x509_extract_key_data(void *context, size_t hdrlen, const void *value, size_t vlen) { struct x509_parse_context *ctx = context; + enum OID oid; ctx->key_algo = ctx->last_oid; switch (ctx->last_oid) { @@ -470,7 +471,17 @@ int x509_extract_key_data(void *context, size_t hdrlen, ctx->cert->pub->pkey_algo = "ecrdsa"; break; case OID_id_ecPublicKey: - ctx->cert->pub->pkey_algo = "sm2"; + if (ctx->params_size < 2) + return -ENOPKG; + + oid = look_up_OID(ctx->params + 2, ctx->params_size - 2); + switch (oid) { + case OID_sm2: + ctx->cert->pub->pkey_algo = "sm2"; + break; + default: + return -ENOPKG; + } break; default: return -ENOPKG; -- 2.25.4