From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 819E0C433E9 for ; Tue, 26 Jan 2021 22:37:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4A073204EF for ; Tue, 26 Jan 2021 22:37:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728032AbhAZWfJ (ORCPT ); Tue, 26 Jan 2021 17:35:09 -0500 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:22458 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1731228AbhAZRF0 (ORCPT ); Tue, 26 Jan 2021 12:05:26 -0500 Received: from pps.filterd (m0098419.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 10QH203v075883; Tue, 26 Jan 2021 12:04:05 -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=0825v1EbrhFAES/Br9Z3x90qJ+sI4FzkH07mA0tswA4=; b=N7Zy4Wd1Oqj1cz+/CI+KmO0Hb+55dbzvZjz3SQlRPdVdG/BFKiMwM2IlHlaTGz2ndSR/ PFQX2Ju3K+K0Py1vMnjutuhn19tvHOOzTFP2EhTywiSgU3vNAgg9pgBsof40A49UUrch qCG6hQ+v4GCJmoqqCLF4Tj+J7dNRU0W4x2m2OSlYXVwk1HBQRyWUyr4WgQ/haLtsZfEx KaAuphPmJ8wlvDMNSgYnR6cTuADqoBuSuaSJ0cGRzM2th+CCSru86uGUclr/TKtOnP5g uA39tuIDBRWsk0+cw/DlTpti+lNEMTuBi8TTf+Fp9SikuaWOazFvBTJcZULgOhxAx217 gA== Received: from pps.reinject (localhost [127.0.0.1]) by mx0b-001b2d01.pphosted.com with ESMTP id 36am6rpb37-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 26 Jan 2021 12:04:04 -0500 Received: from m0098419.ppops.net (m0098419.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.36/8.16.0.36) with SMTP id 10QH3Mn8084702; Tue, 26 Jan 2021 12:04:04 -0500 Received: from ppma01dal.us.ibm.com (83.d6.3fa9.ip4.static.sl-reverse.com [169.63.214.131]) by mx0b-001b2d01.pphosted.com with ESMTP id 36am6rpb2p-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 26 Jan 2021 12:04:04 -0500 Received: from pps.filterd (ppma01dal.us.ibm.com [127.0.0.1]) by ppma01dal.us.ibm.com (8.16.0.42/8.16.0.42) with SMTP id 10QGup6u027829; Tue, 26 Jan 2021 17:04:03 GMT Received: from b01cxnp22034.gho.pok.ibm.com (b01cxnp22034.gho.pok.ibm.com [9.57.198.24]) by ppma01dal.us.ibm.com with ESMTP id 36adttm512-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 26 Jan 2021 17:04:03 +0000 Received: from b01ledav002.gho.pok.ibm.com (b01ledav002.gho.pok.ibm.com [9.57.199.107]) by b01cxnp22034.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 10QH42Dl24117710 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 26 Jan 2021 17:04:02 GMT Received: from b01ledav002.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 7F263124052; Tue, 26 Jan 2021 17:04:02 +0000 (GMT) Received: from b01ledav002.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 70D65124055; Tue, 26 Jan 2021 17:04:02 +0000 (GMT) Received: from sbct-3.pok.ibm.com (unknown [9.47.158.153]) by b01ledav002.gho.pok.ibm.com (Postfix) with ESMTP; Tue, 26 Jan 2021 17:04:02 +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 3/3] x509: Detect sm2 keys by their parameters OID Date: Tue, 26 Jan 2021 12:03:59 -0500 Message-Id: <20210126170359.363969-4-stefanb@linux.vnet.ibm.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210126170359.363969-1-stefanb@linux.vnet.ibm.com> References: <20210126170359.363969-1-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=2021-01-26_09:2021-01-26,2021-01-26 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 phishscore=0 impostorscore=0 suspectscore=0 malwarescore=0 mlxlogscore=999 adultscore=0 bulkscore=0 lowpriorityscore=0 mlxscore=0 spamscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2101260086 Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org From: Stefan Berger Detect whether a key is a sm2 type of key by its OID in the parameters array. Signed-off-by: Stefan Berger --- crypto/asymmetric_keys/x509_cert_parser.c | 27 +++++++++++++---------- 1 file changed, 15 insertions(+), 12 deletions(-) diff --git a/crypto/asymmetric_keys/x509_cert_parser.c b/crypto/asymmetric_keys/x509_cert_parser.c index 720cc7977077..82e331da5041 100644 --- a/crypto/asymmetric_keys/x509_cert_parser.c +++ b/crypto/asymmetric_keys/x509_cert_parser.c @@ -485,6 +485,7 @@ 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) { @@ -496,18 +497,20 @@ 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) { - enum OID oid = look_up_OID(ctx->params + 2, - ctx->params_size - 2); - switch (oid) { - case OID_id_prime192v1: - case OID_id_prime256v1: - ctx->cert->pub->pkey_algo = "ecdsa"; - break; - default: - break; - } + if (ctx->params_size < 2) + return -ENOPKG; + + oid = look_up_OID(ctx->params + 2, ctx->params_size - 2); + switch (oid) { + case OID_id_prime192v1: + case OID_id_prime256v1: + ctx->cert->pub->pkey_algo = "ecdsa"; + break; + case OID_sm2: + ctx->cert->pub->pkey_algo = "sm2"; + break; + default: + return -ENOPKG; } break; default: -- 2.25.4