From patchwork Thu Sep 3 13:12:42 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "tianjia.zhang" X-Patchwork-Id: 11753551 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9D238618 for ; Thu, 3 Sep 2020 13:13:26 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7503620758 for ; Thu, 3 Sep 2020 13:13:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="RQlyN0Yt" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7503620758 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.alibaba.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=0/dqE5EQHMnDJov2ztvN0+CV4YZmN1iMzS6S//5aD7g=; b=RQlyN0YtKbw4E4qB64f/D93Ka hhAw1eMPD8NfABqu5IdcpzUbxtvxNI1BNtzSJW6V+g62myMXvkTMMm31N9aALox6nSqsC7MtrBdzU 0JoPzSmMi0xsnREFAnzTCXEOiBjRwJwI+obSGjQa59SrxFxQD5ql4x/x8RE8bScf8+jepmWbNP4fi BTtzGbYlBvwJxZ+ueS2bE+N50jY7hM55VrFpv7/a0ANhzVK3rZ7HElAJehqn7M+tKsQlLmOiW5XEs +eLGTTNyUmx9dNXaZXtJnmPipFz++8V5q33EMojXmhQshYtCuZIHW59tPT//nGE3xlp/PaWqanvTO phDdWDVLQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kDp3B-0003Bc-3O; Thu, 03 Sep 2020 13:13:13 +0000 Received: from out30-42.freemail.mail.aliyun.com ([115.124.30.42]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kDp31-000382-1P for linux-arm-kernel@lists.infradead.org; Thu, 03 Sep 2020 13:13:05 +0000 X-Alimail-AntiSpam: AC=PASS; BC=-1|-1; BR=01201311R781e4; CH=green; DM=||false|; DS=||; FP=0|-1|-1|-1|0|-1|-1|-1; HT=e01e07425; MF=tianjia.zhang@linux.alibaba.com; NM=1; PH=DS; RN=31; SR=0; TI=SMTPD_---0U7p6l-g_1599138767; Received: from localhost(mailfrom:tianjia.zhang@linux.alibaba.com fp:SMTPD_---0U7p6l-g_1599138767) by smtp.aliyun-inc.com(127.0.0.1); Thu, 03 Sep 2020 21:12:47 +0800 From: Tianjia Zhang To: Herbert Xu , "David S. Miller" , David Howells , Maxime Coquelin , Alexandre Torgue , James Morris , "Serge E. Hallyn" , Stephan Mueller , Marcelo Henrique Cerri , "Steven Rostedt (VMware)" , Masahiro Yamada , Brendan Higgins , Andrew Morton , Johannes Weiner , Waiman Long , Mimi Zohar , Lakshmi Ramasubramanian , Colin Ian King , Tushar Sugandhi , Vitaly Chikunov , "Gilad Ben-Yossef" , Pascal van Leeuwen , linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, keyrings@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-security-module@vger.kernel.org Subject: [PATCH v6 8/8] integrity: Asymmetric digsig supports SM2-with-SM3 algorithm Date: Thu, 3 Sep 2020 21:12:42 +0800 Message-Id: <20200903131242.128665-9-tianjia.zhang@linux.alibaba.com> X-Mailer: git-send-email 2.19.1.3.ge56e4f7 In-Reply-To: <20200903131242.128665-1-tianjia.zhang@linux.alibaba.com> References: <20200903131242.128665-1-tianjia.zhang@linux.alibaba.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200903_091303_778804_978A4AC6 X-CRM114-Status: UNSURE ( 9.21 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -8.0 (--------) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-8.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [115.124.30.42 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record -7.5 USER_IN_DEF_SPF_WL From: address is in the default SPF white-list 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines -0.5 ENV_AND_HDR_SPF_MATCH Env and Hdr From used in default SPF WL Match X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Xufeng Zhang , Tianjia Zhang , Jia Zhang Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Asymmetric digsig supports SM2-with-SM3 algorithm combination, so that IMA can also verify SM2's signature data. Signed-off-by: Tianjia Zhang Tested-by: Xufeng Zhang Reviewed-by: Mimi Zohar (coding, not crypto Reviewed-by: Vitaly Chikunov --- security/integrity/digsig_asymmetric.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/security/integrity/digsig_asymmetric.c b/security/integrity/digsig_asymmetric.c index cfa4127d0518..b86a4a8f61ab 100644 --- a/security/integrity/digsig_asymmetric.c +++ b/security/integrity/digsig_asymmetric.c @@ -99,14 +99,22 @@ int asymmetric_verify(struct key *keyring, const char *sig, memset(&pks, 0, sizeof(pks)); pks.hash_algo = hash_algo_name[hdr->hash_algo]; - if (hdr->hash_algo == HASH_ALGO_STREEBOG_256 || - hdr->hash_algo == HASH_ALGO_STREEBOG_512) { + switch (hdr->hash_algo) { + case HASH_ALGO_STREEBOG_256: + case HASH_ALGO_STREEBOG_512: /* EC-RDSA and Streebog should go together. */ pks.pkey_algo = "ecrdsa"; pks.encoding = "raw"; - } else { + break; + case HASH_ALGO_SM3_256: + /* SM2 and SM3 should go together. */ + pks.pkey_algo = "sm2"; + pks.encoding = "raw"; + break; + default: pks.pkey_algo = "rsa"; pks.encoding = "pkcs1"; + break; } pks.digest = (u8 *)data; pks.digest_size = datalen;