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_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 94303C4321A for ; Tue, 16 Mar 2021 21:08:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 82B4B64FA7 for ; Tue, 16 Mar 2021 21:08:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229584AbhCPVIS (ORCPT ); Tue, 16 Mar 2021 17:08:18 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:39396 "EHLO mx0b-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230025AbhCPVIE (ORCPT ); Tue, 16 Mar 2021 17:08:04 -0400 Received: from pps.filterd (m0127361.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 12GL3FLA110030; Tue, 16 Mar 2021 17:07:53 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : mime-version : content-transfer-encoding; s=pp1; bh=veUbTFPz3gAaiJCXN90eqcl8/VIeE9uMOMSIaEbfreA=; b=IiNWA5eOK1KP/63uhv8Tgxovcsn4ebn9U8Cbah/QSZswhK+1ISCeAI/qeaCbgVkqJBXE dGqHo28cKhngAizFjNuQj3SlTZfDtDyQ8bUJLh7fDf149k0dmPhytSmpd8NodW+nZB6D 5KDfVW9v3/CttKL41HbnQNIDLehOrWb1xZSX+itB9lbVNNmrA4CP4VDlrvlIbDLSX/FX K533R4RFEGgkSUuei6qdJ7/IFxR9qaA1LyhGYv/gjcNEbA296nm0AlFSnT3bicAXTLRS fPIoLaOCSQfublhV6pWHIjPkBKbG5Zw9XZ9q9HeyIP7KZHiSFtjgkYkyfog0VPE7dMz6 Ww== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com with ESMTP id 37b0pnnsxr-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 16 Mar 2021 17:07:53 -0400 Received: from m0127361.ppops.net (m0127361.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.43/8.16.0.43) with SMTP id 12GL3KT3112456; Tue, 16 Mar 2021 17:07:52 -0400 Received: from ppma04dal.us.ibm.com (7a.29.35a9.ip4.static.sl-reverse.com [169.53.41.122]) by mx0a-001b2d01.pphosted.com with ESMTP id 37b0pnnsxg-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 16 Mar 2021 17:07:52 -0400 Received: from pps.filterd (ppma04dal.us.ibm.com [127.0.0.1]) by ppma04dal.us.ibm.com (8.16.0.43/8.16.0.43) with SMTP id 12GL7145024819; Tue, 16 Mar 2021 21:07:51 GMT Received: from b03cxnp08027.gho.boulder.ibm.com (b03cxnp08027.gho.boulder.ibm.com [9.17.130.19]) by ppma04dal.us.ibm.com with ESMTP id 37a3gcfn58-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 16 Mar 2021 21:07:51 +0000 Received: from b03ledav002.gho.boulder.ibm.com (b03ledav002.gho.boulder.ibm.com [9.17.130.233]) by b03cxnp08027.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 12GL7oY111207070 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 16 Mar 2021 21:07:50 GMT Received: from b03ledav002.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 4987B136051; Tue, 16 Mar 2021 21:07:50 +0000 (GMT) Received: from b03ledav002.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 79BEB136055; Tue, 16 Mar 2021 21:07:49 +0000 (GMT) Received: from localhost.localdomain (unknown [9.47.158.152]) by b03ledav002.gho.boulder.ibm.com (Postfix) with ESMTP; Tue, 16 Mar 2021 21:07:49 +0000 (GMT) From: Stefan Berger To: keyrings@vger.kernel.org, linux-crypto@vger.kernel.org, davem@davemloft.net, herbert@gondor.apana.org.au, dhowells@redhat.com, zohar@linux.ibm.com, jarkko@kernel.org Cc: linux-integrity@vger.kernel.org, linux-security-module@vger.kernel.org, linux-kernel@vger.kernel.org, patrick@puiterwijk.org, Stefan Berger Subject: [PATCH v12 00/10] Add support for x509 certs with NIST P384/256/192 keys Date: Tue, 16 Mar 2021 17:07:30 -0400 Message-Id: <20210316210740.1592994-1-stefanb@linux.ibm.com> X-Mailer: git-send-email 2.29.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369,18.0.761 definitions=2021-03-16_08:2021-03-16,2021-03-16 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=999 clxscore=1015 bulkscore=0 impostorscore=0 phishscore=0 adultscore=0 suspectscore=0 priorityscore=1501 lowpriorityscore=0 spamscore=0 mlxscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2103160135 Precedence: bulk List-ID: This series of patches adds support for x509 certificates signed by a CA that uses NIST P384, P256 or P192 keys for signing. It also adds support for certificates where the public key is one of this type of a key. The math for ECDSA signature verification is also added as well as the math for fast mmod operation for NIST P384. Since self-signed certificates are verified upon loading, the following script can be used for testing of NIST P256 keys: k=$(keyctl newring test @u) while :; do for hash in sha1 sha224 sha256 sha384 sha512; do openssl req \ -x509 \ -${hash} \ -newkey ec \ -pkeyopt ec_paramgen_curve:prime256v1 \ -keyout key.pem \ -days 365 \ -subj '/CN=test' \ -nodes \ -outform der \ -out cert.der keyctl padd asymmetric testkey $k < cert.der if [ $? -ne 0 ]; then echo "ERROR" exit 1 fi done done Ecdsa support also works with restricted keyrings where an RSA key is used to sign a NIST P384/256/192 key. Scripts for testing are here: https://github.com/stefanberger/eckey-testing The ECDSA signature verification will be used by IMA Appraisal where ECDSA file signatures stored in RPM packages will use substantially less space than if RSA signatures were to be used. Further, a patch is added that allows kernel modules to be signed with a NIST P384 key. Testing was also done with a Pkcs11 device using an ECC key for module signing: https://github.com/stefanberger/eckey-testing/wiki/Using-Pkcs11-Device-(SoftHSM)-for-Signing-Linux-Kernel-Modules Stefan and Saulo v11->v12: - Added Jarkko's Acked-by's v10->v11: - Addressed Jarkko's comments - Split off OID definitions from first patch into own patch - Renamed OID_id_secp384r1 to OID_id_ansip384r1 (spec name) in 09/10 v9->v10: - rearranged order of patches to have crypto patches first - moved hunk from patch 3 to patch 2 to avoid compilation warning due to unused symbol v8->v9: - Appended Saulo's patches - Appended patch to support kernel modules signed with NIST p384 key. This patch requires Nayna's series here: https://lkml.org/lkml/2021/2/18/856 v7->v8: - patch 3/4: Do not determine key algo using parse_OID in public_key.c but do this when parsing the certificate. This addresses an issue with certain build configurations where OID_REGISTRY is not available as 'Reported-by: kernel test robot '. v6->v7: - Moved some OID defintions to patch 1 for bisectability - Applied R-b's v5->v6: - moved ecdsa code into its own module ecdsa_generic built from ecdsa.c - added script-generated test vectors for NIST P256 & P192 and all hashes - parsing of OID that contain header with new parse_oid() v4->v5: - registering crypto support under names ecdsa-nist-p256/p192 following Hubert Xu's suggestion in other thread - appended IMA ECDSA support patch v3->v4: - split off of ecdsa crypto part; registering akcipher as "ecdsa" and deriving used curve from digits in parsed key v2->v3: - patch 2 now includes linux/scatterlist.h v1->v2: - using faster vli_sub rather than newly added vli_mod_fast to 'reduce' result - rearranged switch statements to follow after RSA - 3rd patch from 1st posting is now 1st patch Saulo Alessandre (4): crypto: Add NIST P384 curve parameters crypto: Add math to support fast NIST P384 ecdsa: Register NIST P384 and extend test suite x509: Add OID for NIST P384 and extend parser for it Stefan Berger (6): oid_registry: Add OIDs for ECDSA with SHA224/256/384/512 crypto: Add support for ECDSA signature verification x509: Detect sm2 keys by their parameters OID x509: Add support for parsing x509 certs with ECDSA keys ima: Support EC keys for signature verification certs: Add support for using elliptic curve keys for signing modules certs/Kconfig | 22 ++ certs/Makefile | 14 + crypto/Kconfig | 10 + crypto/Makefile | 6 + crypto/asymmetric_keys/pkcs7_parser.c | 4 + crypto/asymmetric_keys/public_key.c | 4 +- crypto/asymmetric_keys/x509_cert_parser.c | 49 ++- crypto/asymmetric_keys/x509_public_key.c | 4 +- crypto/ecc.c | 281 +++++++++----- crypto/ecc.h | 28 +- crypto/ecc_curve_defs.h | 32 ++ crypto/ecdsa.c | 376 +++++++++++++++++++ crypto/ecdsasignature.asn1 | 4 + crypto/testmgr.c | 18 + crypto/testmgr.h | 424 ++++++++++++++++++++++ include/crypto/ecdh.h | 1 + include/keys/asymmetric-type.h | 6 + include/linux/oid_registry.h | 10 +- lib/oid_registry.c | 24 ++ security/integrity/digsig_asymmetric.c | 30 +- 20 files changed, 1240 insertions(+), 107 deletions(-) create mode 100644 crypto/ecdsa.c create mode 100644 crypto/ecdsasignature.asn1 -- 2.29.2