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Miller" Subject: [PATCH 21/22] crypto: qce - add check for xts input length equal to zero Date: Fri, 7 Aug 2020 19:20:09 +0300 Message-Id: <20200807162010.18979-22-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 16:22:22 +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: 7ea583b0-22ff-43cf-0f56-08d83aee110a 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:3173; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: +CooaNppBbKgOcXG+DP8tuCn8Eo+SVunIxoYwi4PYcJ6ySOHzicFc1yUA1tMPRfCS0J/hGhOCpYv9lerXrBCzd087xFqrGU4lxHnqW1I3zH111NXaz3RLFNTjTTxL2H3ns6kniW6MUl1qSJ4M4TfRvtnlXp/tePlR4jgIbXFN4/xZAFByT6EGDDzoJLZ8w50PsMx864ECby/+Faha1X5STP19Cb7DHTiyeVh0d6Z11bBM/erRJgLUjV+eWsMk5NwGiUdE3QYzltl0w2LSsHuVNKet0CtYvh3DtD9TyKyI6TfPAVqkbe7+boDo7WWuxs/jmiyDVXcAjfZTakBGP8dXA== 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)(1076003)(6506007)(4326008)(66946007)(83380400001)(8936002)(316002)(26005)(956004)(186003)(16526019)(478600001)(4744005)(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: 7ea583b0-22ff-43cf-0f56-08d83aee110a X-MS-Exchange-CrossTenant-AuthSource: VE1PR04MB6608.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Aug 2020 16:22:23.7343 (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: NzbEyMeJc9jq8uZhfidfFMzQYV7+UYnnaCtmXGOKFs/lJZGmuOZmghAY0p0O2iwvMSWX3yW/BdYNyVgr93/XJA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VE1PR04MB7359 X-Mailman-Approved-At: Sat, 08 Aug 2020 10:06:31 +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 , 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. Signed-off-by: Andrei Botila --- drivers/crypto/qce/skcipher.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/crypto/qce/skcipher.c b/drivers/crypto/qce/skcipher.c index 5630c5addd28..887fd4dc9b43 100644 --- a/drivers/crypto/qce/skcipher.c +++ b/drivers/crypto/qce/skcipher.c @@ -223,6 +223,9 @@ static int qce_skcipher_crypt(struct skcipher_request *req, int encrypt) int keylen; int ret; + if (!req->cryptlen && IS_XTS(rctx->flags)) + return 0; + rctx->flags = tmpl->alg_flags; rctx->flags |= encrypt ? QCE_ENCRYPT : QCE_DECRYPT; keylen = IS_XTS(rctx->flags) ? ctx->enc_keylen >> 1 : ctx->enc_keylen; -- 2.17.1