Received: by 2002:ac0:a5a7:0:0:0:0:0 with SMTP id m36-v6csp1098102imm; Wed, 18 Jul 2018 16:53:56 -0700 (PDT) X-Google-Smtp-Source: AAOMgpfm/5/ClEXWmtqnNyRTumM/QTTwki9ffiPQzoN87yesWpkOh/fVygCJTOyC6i34l8DX78tI X-Received: by 2002:a62:9541:: with SMTP id p62-v6mr7116029pfd.152.1531958036172; Wed, 18 Jul 2018 16:53:56 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1531958036; cv=none; d=google.com; s=arc-20160816; b=xQbFgSmiNNQdOr8AdeRPXqBCm8NUEjegQT9pg35+FFJt720L4xUUb2jQIRGdaklsYW /ATCSWhMYfwiVwn8T2y02tEI9pz5pJSWx6BPiZbdgRW0C5PTEXZZ9DjO47aCE/1ezpM1 iMKJMRPRaa9ShPsEKNqC1j6+NIHySuq97cz9G4xEknK8c6cH3SMx2qD9S7e1UHYGFuis 2DzTr6GUnwCjZqorSoxQo6pJWDrNmtUsyjiUHkvqdo5dVaIW6QACc38PKPB88xqNi/6E eXBMQJ7YOHBhOyWnlWDMXlqNaP1psRCUdJPAxgaYfkYfJERKr1/773m5cDxsGILsGOpY 58AQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:arc-authentication-results; bh=y64rjrGXqzXJu86ZQ+pDNi6wKNbbxiO+n8YXU2G/YE8=; b=VqTDKl1nGhv+LpBI1PC9dnUDws122QgaimZAJbFiRtbLM1iD4W+dOhHLZGJ1q3YEfO N3coLhLFSwMmMEylwA2OQwObfORNgxY3JLTJqqNkqkcMCp2tllpY5uS0klK4h7tfNrRB oFC8wOtnhO6/cT4PRQbI1FAM++pN+UeRMdE3QAY0PBjjyo8zAmpPXQZsfx8R6/AQ29Uy C54LY24jn7CI/la5Zd6k2k6DRgdOKH4dKYTz1EmvtZLsCCoMWau2uXbLXKiA8++VK36O XXtxe9zLunhuOZCjYJe0T+qiMJXfqDl2im7jX8bc+gN8aEbi8vPvHI3H1DRL9osGA5rN VQCQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id q124-v6si5068739pfc.93.2018.07.18.16.53.39; Wed, 18 Jul 2018 16:53:56 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729914AbeGSAdT (ORCPT + 99 others); Wed, 18 Jul 2018 20:33:19 -0400 Received: from mga17.intel.com ([192.55.52.151]:46124 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727009AbeGSAdT (ORCPT ); Wed, 18 Jul 2018 20:33:19 -0400 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 18 Jul 2018 16:53:02 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.51,371,1526367600"; d="scan'208";a="58784202" Received: from sandybridge-desktop.sh.intel.com (HELO sandybridge-desktop) ([10.239.160.116]) by orsmga006.jf.intel.com with ESMTP; 18 Jul 2018 16:52:59 -0700 Date: Thu, 19 Jul 2018 07:58:51 +0800 From: Yu Chen To: Pavel Machek Cc: "Rafael J . Wysocki" , Eric Biggers , "Lee, Chun-Yi" , Theodore Ts o , Stephan Mueller , Denis Kenzior , linux-pm@vger.kernel.org, linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, "Gu, Kookoo" , "Zhang, Rui" Subject: Re: [PATCH 0/4][RFC v2] Introduce the in-kernel hibernation encryption Message-ID: <20180718235851.GA22170@sandybridge-desktop> References: <20180718202235.GA4132@amd> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180718202235.GA4132@amd> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, On Wed, Jul 18, 2018 at 10:22:35PM +0200, Pavel Machek wrote: > On Thu 2018-07-19 00:38:06, Chen Yu wrote: > > As security becomes more and more important, we add the in-kernel > > encryption support for hibernation. > > Sorry, this does not really explain what security benefit it is > supposed have to against what attack scenarios. > > Which unfortunately means it can not reviewed. > > Note that uswsusp already provides encryption. If this is supposed to > have advantages over it, please say so. > The advantages are described in detail in [PATCH 1/4]'s log, please refer to that. Thanks, Yu > Pavel > > -- > (english) http://www.livejournal.com/~pavelmachek > (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html