From patchwork Mon Jun 29 17:16:18 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Cabiddu, Giovanni" X-Patchwork-Id: 197563 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AFEFDC433E0 for ; Mon, 29 Jun 2020 19:45:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9ABC920760 for ; Mon, 29 Jun 2020 19:45:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731039AbgF2Tp2 (ORCPT ); Mon, 29 Jun 2020 15:45:28 -0400 Received: from mga07.intel.com ([134.134.136.100]:58002 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387829AbgF2Tko (ORCPT ); Mon, 29 Jun 2020 15:40:44 -0400 IronPort-SDR: sQDU65sbwKMJBaJpo/YD9eYziTFxBOHq2PDuGSyI7yEduEU/uuZE7VtQpw1c9rOU2Pvn3WYAR7 uVnwowGQg7UA== X-IronPort-AV: E=McAfee;i="6000,8403,9666"; a="211091679" X-IronPort-AV: E=Sophos;i="5.75,295,1589266800"; d="scan'208";a="211091679" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Jun 2020 10:16:38 -0700 IronPort-SDR: b/ia9QQ8Pdm0iF1UD0geaYywFkKql6uBzX01MsPwFdVFCJl7hCrEALpkfIvwS++wd9foS1ANhc jIKR8iSHfvvQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,295,1589266800"; d="scan'208";a="264891342" Received: from silpixa00400314.ir.intel.com (HELO silpixa00400314.ger.corp.intel.com) ([10.237.222.51]) by fmsmga007.fm.intel.com with ESMTP; 29 Jun 2020 10:16:37 -0700 From: Giovanni Cabiddu To: herbert@gondor.apana.org.au Cc: linux-crypto@vger.kernel.org, qat-linux@intel.com, Giovanni Cabiddu Subject: [PATCH v3 2/4] crypto: qat - validate xts key Date: Mon, 29 Jun 2020 18:16:18 +0100 Message-Id: <20200629171620.2989-3-giovanni.cabiddu@intel.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200629171620.2989-1-giovanni.cabiddu@intel.com> References: <20200629171620.2989-1-giovanni.cabiddu@intel.com> MIME-Version: 1.0 Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org Validate AES-XTS key using the function xts_verify_key() to prevent malformed keys. Signed-off-by: Giovanni Cabiddu --- drivers/crypto/qat/qat_common/qat_algs.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/crypto/qat/qat_common/qat_algs.c b/drivers/crypto/qat/qat_common/qat_algs.c index 6bea6f868395..11f36eafda0c 100644 --- a/drivers/crypto/qat/qat_common/qat_algs.c +++ b/drivers/crypto/qat/qat_common/qat_algs.c @@ -995,6 +995,12 @@ static int qat_alg_skcipher_ctr_setkey(struct crypto_skcipher *tfm, static int qat_alg_skcipher_xts_setkey(struct crypto_skcipher *tfm, const u8 *key, unsigned int keylen) { + int ret; + + ret = xts_verify_key(tfm, key, keylen); + if (ret) + return ret; + return qat_alg_skcipher_setkey(tfm, key, keylen, ICP_QAT_HW_CIPHER_XTS_MODE); }