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Miller" Subject: [PATCH 19/22] crypto: inside-secure - add check for xts input length equal to zero Date: Fri, 7 Aug 2020 19:20:07 +0300 Message-Id: <20200807162010.18979-20-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 16:22:18 +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: c7cd3dd9-0f7b-49e6-62c4-08d83aee0ea6 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:4941; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 0z6oQzj2lWhbcPu4vGdXr++uIIocc1u8ow8iRIEtJidYje9hVzjactitz4wTpJr/3RUJIQT621jfxF+Q+XPUqpGMC90YUeFqCUZaMkfszbTt/74MnW0tSfa4+roTsnLzCPnDKpLGM2L02ZVByeVv3k2oxeVRpAgNgddBzROayi6LpaVu1BoZ19Qn3V2U42msE0kQSsJxhRBcIPDYIFyQgyZGo2UfZ9fS4DTw2kRaBM+dGWO4NgZ6ldQB4U2kxqBY/oGaf/RQ9IIHLYXCLfKCvw37G94kOd4b3FpGX6GnFnVKLxzF9qhpxhC20PYvvyfVCvw5PwIAozUg/imdUNl6NQ== 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: c7cd3dd9-0f7b-49e6-62c4-08d83aee0ea6 X-MS-Exchange-CrossTenant-AuthSource: VE1PR04MB6608.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Aug 2020 16:22:19.7636 (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: yJiN3F+RoYM3BZo+dugG1oafGdHFOqL2AkQnNAND9yDVLm4DNnbQXItBxB8/gR6Oaw5o1OKRdiO6H4Dba/DImQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VE1PR04MB7359 X-Mailman-Approved-At: Sat, 08 Aug 2020 10:06:30 +1000 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-s390@vger.kernel.org, Andrei Botila , Antoine Tenart , x86@kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@axis.com, linux-crypto@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" 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: Antoine Tenart Signed-off-by: Andrei Botila --- drivers/crypto/inside-secure/safexcel_cipher.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/crypto/inside-secure/safexcel_cipher.c b/drivers/crypto/inside-secure/safexcel_cipher.c index 1ac3253b7903..03d06556ea98 100644 --- a/drivers/crypto/inside-secure/safexcel_cipher.c +++ b/drivers/crypto/inside-secure/safexcel_cipher.c @@ -2533,6 +2533,9 @@ static int safexcel_skcipher_aes_xts_cra_init(struct crypto_tfm *tfm) static int safexcel_encrypt_xts(struct skcipher_request *req) { + if (!req->cryptlen) + return 0; + if (req->cryptlen < XTS_BLOCK_SIZE) return -EINVAL; return safexcel_queue_req(&req->base, skcipher_request_ctx(req), @@ -2541,6 +2544,9 @@ static int safexcel_encrypt_xts(struct skcipher_request *req) static int safexcel_decrypt_xts(struct skcipher_request *req) { + if (!req->cryptlen) + return 0; + if (req->cryptlen < XTS_BLOCK_SIZE) return -EINVAL; return safexcel_queue_req(&req->base, skcipher_request_ctx(req), -- 2.17.1