Received: by 2002:a05:6a10:9848:0:0:0:0 with SMTP id x8csp928455pxf; Thu, 25 Mar 2021 18:24:26 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyUIGIRscjgo16Fce3WQw3yBMGc732ytiqArSL8MVkeqfJrky97ruJePdWqBWUn0z/ggmdo X-Received: by 2002:aa7:c497:: with SMTP id m23mr12145980edq.74.1616721866596; Thu, 25 Mar 2021 18:24:26 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1616721866; cv=none; d=google.com; s=arc-20160816; b=D9NcL2OS1FBD6qzX/atY73xO3zHnYC8GBqyWkOn503M/277CKbqkz9uOYrNgf84nhi /j2ExV8WCwVv/uV88YmJwWFuHYkEV6Tdi5CVfrdIziUvk2xisaeph2LBDnvAhbgRNrDw 11l6Xory8+skJ7eOhmbibZBq+GeSqhMusM7PDKkOgqKdTnvQxtWynm+1OXAbxrA38xdn C4bRjMJQ60/43JUfj42icnAh6DRFSgYVOEQsg0c9WJw0N9eY7x9tpqvS8sZ5P8OXKgLO fg048kjegzr6cx+xCSbcpL7p/XDfZw8r1OyWBiBSIibnT5KS5L9xAR/IJsdm1rqp8Ymm F9Cg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:references:in-reply-to:message-id :date:subject:cc:to:from; bh=oBBBYQbK7sHV8l9kYFXaowIVbpDfSv+e41k9/g1vCn4=; b=TYbqdyJ0iWlsv5B0zRiUIo2nV0kkVMiL6AC3wEoq+Z5lRdF8fSbEaJPwQC+NwcEnz2 gsQuK3Fk5Z0Lz5eeaw3gfofedM2DnTTrUwrJYJK5Ga/Xdna0MJHuHK9PWF66YQN0EKw3 FvB9HxDDNK1o5JXa+klQT1wlb2yY+Hlr8kEcQ5+5+F8hEMnAK3t7diSgeWD/mS1Le0cC Ru4FvnzL2r4ygxOkagQXbG50u2B0YzuM2yjllqyFAa2Ny6hKaxELlWbQa5VfPsxzeikV NSWnRRV8gVxp9JBFgGbRHruRT3Pj+DFeowKrrPUNFhtKvMFooshK8HGKyk4Yla2KILYP HVnA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-crypto-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-crypto-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=huawei.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id m25si5415207edv.343.2021.03.25.18.24.03; Thu, 25 Mar 2021 18:24:26 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-crypto-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-crypto-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-crypto-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=huawei.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229904AbhCZBXc (ORCPT + 99 others); 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 Content-Type: text/plain 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) -- 2.8.1