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Miller" Cc: linux-crypto@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, x86@kernel.org, linux-arm-kernel@axis.com, Andrei Botila , Boris Brezillon , Arnaud Ebalard , Srujana Challa Subject: [PATCH 20/22] crypto: octeontx - add check for xts input length equal to zero Date: Fri, 7 Aug 2020 19:20:08 +0300 Message-Id: <20200807162010.18979-21-andrei.botila@oss.nxp.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200807162010.18979-1-andrei.botila@oss.nxp.com> References: <20200807162010.18979-1-andrei.botila@oss.nxp.com> Content-Type: text/plain X-ClientProxiedBy: AM0PR04CA0075.eurprd04.prod.outlook.com (2603:10a6:208:be::16) To VE1PR04MB6608.eurprd04.prod.outlook.com (2603:10a6:803:125::12) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from lsv15007.swis.ro-buh01.nxp.com (83.217.231.2) by AM0PR04CA0075.eurprd04.prod.outlook.com (2603:10a6:208:be::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3261.15 via Frontend Transport; Fri, 7 Aug 2020 16:22:20 +0000 X-Mailer: git-send-email 2.17.1 X-Originating-IP: [83.217.231.2] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: 1287ad0b-0a4e-44e4-910b-08d83aee0fe5 X-MS-TrafficTypeDiagnostic: VE1PR04MB7359: X-MS-Exchange-SharedMailbox-RoutingAgent-Processed: True X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:5516; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: v9HNqOhQEYHZCT5v71vf23mMKw79jb1iTZ1oMHqFRZ9HyVzs3d95mN7RkB0RID052oJDHOxfEJQWd8GuWJMHS310w+6mOpEemGt7ZZXQMWOGYpiaRhdy1Wne487FotzXdneQw0WCWOF/ekFpOYc91bi8wj8sWrDD+BlDmTPS6vAqnV8U+3ycSIvbDxY+rs7nJ/2r2/Q1CUHjTRXgNQ7rFs0CvMV5SBrX6hUda1ePTygfH13SAhQR5SZeKQc2lAhSEz4MpkKBg1Wk79OGz+Zqd1vxp0AlnJTqpjDNCdkoCJY/023MmhgLvwqeM00RVmSXACAkIkBf/8l/fDL//PPVxw== X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:VE1PR04MB6608.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFTY:;SFS:(4636009)(39860400002)(366004)(136003)(346002)(396003)(376002)(44832011)(66556008)(66476007)(110136005)(7416002)(54906003)(1076003)(6506007)(4326008)(66946007)(83380400001)(8936002)(316002)(26005)(956004)(186003)(16526019)(478600001)(86362001)(5660300002)(6666004)(6512007)(2906002)(8676002)(2616005)(52116002)(6486002);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: oss.nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 1287ad0b-0a4e-44e4-910b-08d83aee0fe5 X-MS-Exchange-CrossTenant-AuthSource: VE1PR04MB6608.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Aug 2020 16:22:21.7934 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 428x598OqYPHChYVmg9rCDQWdrzNLPXJOKgXYnaSgwD1lvTIWj/xzipfbIuTB4qnwOcXSIBHEBW6mtIlrwf2eA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VE1PR04MB7359 Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org From: Andrei Botila Standardize the way input lengths equal to 0 are handled in all skcipher algorithms. All the algorithms return 0 for input lengths equal to zero. Cc: Boris Brezillon Cc: Arnaud Ebalard Cc: Srujana Challa Signed-off-by: Andrei Botila --- drivers/crypto/marvell/octeontx/otx_cptvf_algs.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/crypto/marvell/octeontx/otx_cptvf_algs.c b/drivers/crypto/marvell/octeontx/otx_cptvf_algs.c index 90bb31329d4b..ec13bc3f1766 100644 --- a/drivers/crypto/marvell/octeontx/otx_cptvf_algs.c +++ b/drivers/crypto/marvell/octeontx/otx_cptvf_algs.c @@ -340,11 +340,16 @@ static inline int cpt_enc_dec(struct skcipher_request *req, u32 enc) { struct crypto_skcipher *stfm = crypto_skcipher_reqtfm(req); struct otx_cpt_req_ctx *rctx = skcipher_request_ctx(req); + struct crypto_tfm *tfm = crypto_skcipher_tfm(stfm); + struct otx_cpt_enc_ctx *ctx = crypto_tfm_ctx(tfm); struct otx_cpt_req_info *req_info = &rctx->cpt_req; u32 enc_iv_len = crypto_skcipher_ivsize(stfm); struct pci_dev *pdev; int status, cpu_num; + if (!req->cryptlen && ctx->cipher_type == OTX_CPT_AES_XTS) + return 0; + /* Validate that request doesn't exceed maximum CPT supported size */ if (req->cryptlen > OTX_CPT_MAX_REQ_SIZE) return -E2BIG; -- 2.17.1