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Miller" , "linux-crypto@vger.kernel.org" , "linux-kernel@vger.kernel.org" , dl-linux-imx Subject: Re: [PATCH v2 2/2] crypto: caam - strip input without changing crypto request Thread-Topic: [PATCH v2 2/2] crypto: caam - strip input without changing crypto request Thread-Index: AQHVCxD1jRNmo1IFzU+WL1DE3FYP4A== Date: Wed, 15 May 2019 12:59:49 +0000 Message-ID: References: <1557919546-360-1-git-send-email-iuliana.prodan@nxp.com> <1557919546-360-2-git-send-email-iuliana.prodan@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=horia.geanta@nxp.com; x-originating-ip: [212.146.100.6] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: b775a9b5-b92e-4016-cc54-08d6d9353714 x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600141)(711020)(4605104)(4618075)(2017052603328)(7193020);SRVR:VI1PR0402MB3424; x-ms-traffictypediagnostic: VI1PR0402MB3424: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:747; x-forefront-prvs: 0038DE95A2 x-forefront-antispam-report: SFV:NSPM;SFS:(10009020)(346002)(376002)(366004)(396003)(136003)(39860400002)(189003)(199004)(4326008)(71200400001)(6436002)(71190400001)(102836004)(76116006)(53936002)(25786009)(81156014)(86362001)(5660300002)(4744005)(6116002)(6636002)(44832011)(81166006)(14444005)(256004)(3846002)(33656002)(8936002)(7696005)(66066001)(229853002)(8676002)(446003)(110136005)(476003)(486006)(478600001)(68736007)(74316002)(52536014)(7736002)(305945005)(316002)(2906002)(99286004)(9686003)(53546011)(6506007)(66446008)(64756008)(66556008)(66476007)(66946007)(73956011)(55016002)(186003)(26005)(6246003)(14454004)(76176011)(54906003);DIR:OUT;SFP:1101;SCL:1;SRVR:VI1PR0402MB3424;H:VI1PR0402MB3485.eurprd04.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;MX:1;A:1; received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: plYG3jG2CPSm+ij9wGdqnc4NvBwRGlQe7jatUsV6Mg+W9L4SLyNB2ywDFTolrCx3AM1M8w6uFZsZb0Et607D5lUDzkydrusJzR5jdBsmYLCognUkcUio+Pbfe9u18gaM3jG43fj6YULyRi1B311R5l2bG2sUogwE+B/oZDakH3J6F2OSoTEDbXn5+MgRUUx+LmT1bqIzXveqOkOz/RPugfIOLFzCFk26vL7qsuKluJT+n0hH/i5fYY69NuFIKBzjg2+1Es8ATjAwrcKQTM7XX0h7ST4IYL/7LZP4wmPEALC3xrmXrqu1QplvaonwU+ChBYpXKAq4UDFDxL92086F39rHVnCWnGDIfRRsUA3lxTbCuiyR2HikQW6W9x+KaJMeI6K50fabwNNvE2iZLA0Gw8chDDRt4HP78vlPxFmn6ls= Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: b775a9b5-b92e-4016-cc54-08d6d9353714 X-MS-Exchange-CrossTenant-originalarrivaltime: 15 May 2019 12:59:49.8846 (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-Transport-CrossTenantHeadersStamped: VI1PR0402MB3424 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 5/15/2019 2:25 PM, Iuliana Prodan wrote:=0A= > For rsa/pkcs1pad(rsa-caam, sha256), CAAM expects an input of modulus size= .=0A= Only for sha256?=0A= =0A= > For this we strip the leading zeros in case the size is more than modulus= .=0A= > This commit avoids modifying the crypto request while striping zeros from= =0A= ^^^ stripping=0A= =0A= Horia=0A=