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Miller" Subject: [PATCH 10/22] crypto: atmel-aes - add check for xts input length equal to zero Date: Fri, 7 Aug 2020 19:19:58 +0300 Message-Id: <20200807162010.18979-11-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> 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 16:21:59 +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: 5371cd09-9f38-4e3d-71f1-08d83aee0317 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:3826; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: Dy3Zhf4iD69DWnLN4d/OC7L53Vl5faPTIvVzC82or9Wmhst9C2xWU7uGqAwk5TS1m1kMbnEmpM8jvb2wUs7f+uRAzozHRVJGfNVQtSP0Ch0vt+Nt1lCRAKbPqKsWGPPZHOdfeYMePJ8yAf0mwKbpwgv5Rhtek2Fo+dmFZVfzsFKd5HO3x/vIfNwB8lbuj5AvmUBRTNo1dxryj8kIhRANHPu3fYa7/hS6g8uhcQFwULO+AUXSHs6E/0va0mEi22EUWC0egBLJGL9acByJcuUUxhXTY8DX6sEQpYL4ERBFvJuKw6D6V7dp+am5dVrE1Ymb5HN6zqHNzm2UWOfiFm/hww== 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)(4744005)(86362001)(5660300002)(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: 5371cd09-9f38-4e3d-71f1-08d83aee0317 X-MS-Exchange-CrossTenant-AuthSource: VE1PR04MB6608.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Aug 2020 16:22:00.5488 (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: w66WcXabl6hxYafvlXj5ULkyPevq00owFCnj8B467gsTVEuqqJ/I5lF1apL1zQR6bWDhWuXtE0X2qPE+wdkozQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VE1PR04MB7359 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200807_122207_357853_E15E4477 X-CRM114-Status: GOOD ( 11.37 ) 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: linux-s390@vger.kernel.org, Andrei Botila , Alexandre Belloni , x86@kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@axis.com, Ludovic Desroches , linux-crypto@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.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: Nicolas Ferre Cc: Alexandre Belloni Cc: Ludovic Desroches Signed-off-by: Andrei Botila --- drivers/crypto/atmel-aes.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/crypto/atmel-aes.c b/drivers/crypto/atmel-aes.c index a6e14491e080..af789ac73478 100644 --- a/drivers/crypto/atmel-aes.c +++ b/drivers/crypto/atmel-aes.c @@ -1107,6 +1107,10 @@ static int atmel_aes_crypt(struct skcipher_request *req, unsigned long mode) ctx->block_size = CFB64_BLOCK_SIZE; break; + case AES_FLAGS_XTS: + if (!req->cryptlen) + return 0; + default: ctx->block_size = AES_BLOCK_SIZE; break; -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel