From patchwork Fri Mar 26 01:20:48 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "yekai \(A\)" X-Patchwork-Id: 409635 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, 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 00C10C433E0 for ; Fri, 26 Mar 2021 01:24:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BF8F761A38 for ; Fri, 26 Mar 2021 01:24:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229904AbhCZBXc (ORCPT ); Thu, 25 Mar 2021 21:23:32 -0400 Received: from szxga07-in.huawei.com ([45.249.212.35]:14880 "EHLO szxga07-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230006AbhCZBX0 (ORCPT ); Thu, 25 Mar 2021 21:23:26 -0400 Received: from DGGEMS405-HUB.china.huawei.com (unknown [172.30.72.58]) by szxga07-in.huawei.com (SkyGuard) with ESMTP id 4F641b24WFz9tC0; Fri, 26 Mar 2021 09:21:23 +0800 (CST) Received: from huawei.com (10.67.165.24) by DGGEMS405-HUB.china.huawei.com (10.3.19.205) with Microsoft SMTP Server id 14.3.498.0; Fri, 26 Mar 2021 09:23:16 +0800 From: Kai Ye To: CC: , , , Subject: [PATCH 3/3] crypto: stm32 - use memzero_explicit() for clearing data Date: Fri, 26 Mar 2021 09:20:48 +0800 Message-ID: <1616721648-56258-4-git-send-email-yekai13@huawei.com> X-Mailer: git-send-email 2.8.1 In-Reply-To: <1616721648-56258-1-git-send-email-yekai13@huawei.com> References: <1616721648-56258-1-git-send-email-yekai13@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.67.165.24] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org use memzero_explicit instead of memset to clear sensitive data Signed-off-by: Kai Ye --- drivers/crypto/stm32/stm32-cryp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/crypto/stm32/stm32-cryp.c b/drivers/crypto/stm32/stm32-cryp.c index 2a479317..c4297e80 100644 --- a/drivers/crypto/stm32/stm32-cryp.c +++ b/drivers/crypto/stm32/stm32-cryp.c @@ -675,7 +675,7 @@ static void stm32_cryp_finish_req(struct stm32_cryp *cryp, int err) crypto_finalize_skcipher_request(cryp->engine, cryp->req, err); - memset(cryp->ctx->key, 0, cryp->ctx->keylen); + memzero_explicit(cryp->ctx->key, cryp->ctx->keylen); } static int stm32_cryp_cpu_start(struct stm32_cryp *cryp)