Received: by 2002:a05:6a10:9848:0:0:0:0 with SMTP id x8csp928459pxf; Thu, 25 Mar 2021 18:24:26 -0700 (PDT) X-Google-Smtp-Source: ABdhPJydHFrYKUdeE43WYE6dCGpAgsUAa3mAImevskCYrS07zR4SPE99IovKo7XSe9ZVa4wl37Ey X-Received: by 2002:a17:906:b817:: with SMTP id dv23mr12885447ejb.281.1616721866596; 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=B6ZtokUdOy5z9jlR5BFfLL8OSxz0t21RWpI6jGrgMOc44AKyrvgATEDwfZLJmYf/y0 T5O07b8sNjKY1GYjKZ6YFqwOcj5XJ5nslzOfqTDWZ7SvwRpQTMmGYI/2w++b+Ogg2JEO Ey+KDdzhdswDYr0kKroVarYZcoXGS71/YChmrVYcpGOpJgmIIcYKmRLb7zxBrwWc78Es hwaNg5+3AXS0VXYN80U0GmModbJcZV08pcJw7VyAprmO1tI4mJyDPaZ35+I/jRr9KOIw LJTj1A6MwPxrqIXPHM2Dxmw+fyQ9kv5beYVLzqeG/Sltt2xPbldBoMlt65d89HbgFZSM tHWA== 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=rsqX+bjHr7qI37YoXTp11Yd90Q/W+19bCRpxfIyt7ks=; b=acIR+Kr/eQdDmJqv569B0XvlkwpzE9E/UYZ77KZcNvmGiiZpl6Dn1nLVAmk8i4wmnn sCJ3ySO84niZh4+FMJgDmKSS/6txYG2jyl3vxJ/fn9byThOjPNQamJEB4TvANzG/0Wiu xTCL14PkzU3SBotLv8mV31mZwbOBWa7GuTswxXEzkmlNw8BwQbl+509pV+sE6uNrVGa8 HgzaKyFywcweY8xwt7ZWUiY4FkHQJDLLh29seijIUVUAXQZlbQ/3FZUQFv37s5pkgEdU aCyWUFbdGnDo0iMxmILtWTpbTglxsQCAjBqziUhbYR90sLl8lyJ1N+jKIbCWEfx0t4u6 RL1w== 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 z2si5402452edd.567.2021.03.25.18.24.03; 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 S230063AbhCZBXd (ORCPT + 99 others); Thu, 25 Mar 2021 21:23:33 -0400 Received: from szxga07-in.huawei.com ([45.249.212.35]:14879 "EHLO szxga07-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229979AbhCZBX0 (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 4F641b2WFXz9tC1; 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 09:23:15 +0800 From: Kai Ye To: CC: , , , Subject: [PATCH 1/3] crypto: atmel - use memzero_explicit() for clearing data Date: Fri, 26 Mar 2021 09:20:46 +0800 Message-ID: <1616721648-56258-2-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, such as key. Signed-off-by: Kai Ye --- drivers/crypto/atmel-sha.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/crypto/atmel-sha.c b/drivers/crypto/atmel-sha.c index 352d80c..4a08b2a 100644 --- a/drivers/crypto/atmel-sha.c +++ b/drivers/crypto/atmel-sha.c @@ -1622,7 +1622,7 @@ static inline void atmel_sha_hmac_key_init(struct atmel_sha_hmac_key *hkey) static inline void atmel_sha_hmac_key_release(struct atmel_sha_hmac_key *hkey) { kfree(hkey->keydup); - memset(hkey, 0, sizeof(*hkey)); + memzero_explicit(hkey, sizeof(*hkey)); } static inline int atmel_sha_hmac_key_set(struct atmel_sha_hmac_key *hkey, -- 2.8.1