From patchwork Fri Aug 6 09:44:24 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "yekai (A)" X-Patchwork-Id: 12423067 X-Patchwork-Delegate: herbert@gondor.apana.org.au 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, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 9BD61C4320E for ; Fri, 6 Aug 2021 09:45:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7D41B61040 for ; Fri, 6 Aug 2021 09:45:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244646AbhHFJpl (ORCPT ); Fri, 6 Aug 2021 05:45:41 -0400 Received: from szxga02-in.huawei.com ([45.249.212.188]:8373 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242680AbhHFJpk (ORCPT ); Fri, 6 Aug 2021 05:45:40 -0400 Received: from dggemv704-chm.china.huawei.com (unknown [172.30.72.57]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4Gh0qG5ZLQz84bg; Fri, 6 Aug 2021 17:41:30 +0800 (CST) Received: from dggpeml500012.china.huawei.com (7.185.36.15) by dggemv704-chm.china.huawei.com (10.3.19.47) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Fri, 6 Aug 2021 17:45:23 +0800 Received: from huawei.com (10.69.192.56) by dggpeml500012.china.huawei.com (7.185.36.15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Fri, 6 Aug 2021 17:45:23 +0800 From: Kai Ye To: CC: , , , Subject: [PATCH v2 3/5] crypto: hisilicon/sec - fix the max length of AAD for the CCM mode Date: Fri, 6 Aug 2021 17:44:24 +0800 Message-ID: <1628243066-32648-4-git-send-email-yekai13@huawei.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1628243066-32648-1-git-send-email-yekai13@huawei.com> References: <1628243066-32648-1-git-send-email-yekai13@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.69.192.56] X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) To dggpeml500012.china.huawei.com (7.185.36.15) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org Fix the maximum length of AAD for the CCM mode due to the hardware limited. Signed-off-by: Kai Ye --- drivers/crypto/hisilicon/sec2/sec_crypto.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/crypto/hisilicon/sec2/sec_crypto.c b/drivers/crypto/hisilicon/sec2/sec_crypto.c index 890faf8..387fb3c 100644 --- a/drivers/crypto/hisilicon/sec2/sec_crypto.c +++ b/drivers/crypto/hisilicon/sec2/sec_crypto.c @@ -63,6 +63,7 @@ #define SEC_AUTH_CIPHER 0x1 #define SEC_MAX_MAC_LEN 64 #define SEC_MAX_AAD_LEN 65535 +#define SEC_MAX_CCM_AAD_LEN 65279 #define SEC_TOTAL_MAC_SZ (SEC_MAX_MAC_LEN * QM_Q_DEPTH) #define SEC_PBUF_SZ 512 @@ -2218,6 +2219,10 @@ static int sec_aead_spec_check(struct sec_ctx *ctx, struct sec_req *sreq) } if (c_mode == SEC_CMODE_CCM) { + if (unlikely(req->assoclen > SEC_MAX_CCM_AAD_LEN)) { + dev_err_ratelimited(dev, "CCM input aad parameter is too long!\n"); + return -EINVAL; + } ret = aead_iv_demension_check(req); if (ret) { dev_err(dev, "aead input iv param error!\n");