Received: by 2002:ac0:a5a7:0:0:0:0:0 with SMTP id m36-v6csp936272imm; Wed, 18 Jul 2018 13:23:36 -0700 (PDT) X-Google-Smtp-Source: AAOMgpeWtwsRdusxEBO5gbHGUVmCOG1Zxl1+UgGL9stJ9CTtz0mbm2B8pFdLez+DWjp1n1dxNGlw X-Received: by 2002:a65:5304:: with SMTP id m4-v6mr7057797pgq.250.1531945416715; Wed, 18 Jul 2018 13:23:36 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1531945416; cv=none; d=google.com; s=arc-20160816; b=xsSkUTbRc8J1mMwxVm9IuCQpfSf0ynN6bpfBftsNe2i1iwa3PVDG0tSnuN3KzhJ01G wZXhY8unpzghC5GIvtshWl0UNhAB5PKM8nEETgGpersBS78/hstEzm4fVgKvwmc/Cw2E NILPN4dSsZ2ceHM8bmZ0cT11Uqpav9qHScRJK/v2w+y7ujIS+evD/7y3MeXIyGnQgYAM 3pADjEp2r6ovzJFgkKUkU8KhxVW1+ZPXSu6PPzwepOpfP700HAWWWPWPc82/BcsvL6TF iYmHRu9DXPmzSWgASfG/mUQK0D8N5wfc52J3/HoOI0U1He1bj/5xlyzoLwZWLl77nYRS 3R+g== 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=KttrwpAIjLuZ86VkgIs+JJwJgu9jCz7C3rMDSp9eJUU=; b=Fj9LvVyH9MydJl1RzsRioL8wf9GGDiTPKU5S3BOuHTPLTGxH7sDqZgJ2Ca/3/2R8vA b5qI9Gx5NFGJ/P2W8K9NtG1ubuARsl6yuBWGDQLtWsAXB/HvpJgbLQ8zRRJ7yX5S34UJ VftxZvFOjwPiwrB4Hy3vqHtA7JVYghORsvu/TYSZ1lslSpCGPX1gZMxuCAbjRB5y4Wkf vNwVtIPXJ2mLKRPVAHPTjkXq1aB9JnrrQ9VoKA2TO2//t4Qfatu7WXlbN89G8mekpBFw RmPcN3EUl2IZTUKKwf65qqUl7VHRDt7tzz4aKzFDIwsk2ppfbXHVMJ4ziSIcJTH2PDMx hI8w== 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 Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id k20-v6si3949425pgb.115.2018.07.18.13.23.21; Wed, 18 Jul 2018 13:23:36 -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 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730828AbeGRVCO (ORCPT + 99 others); Wed, 18 Jul 2018 17:02:14 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:60721 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729742AbeGRVCO (ORCPT ); Wed, 18 Jul 2018 17:02:14 -0400 Received: by atrey.karlin.mff.cuni.cz (Postfix, from userid 512) id A8CCD80576; Wed, 18 Jul 2018 22:22:40 +0200 (CEST) Date: Wed, 18 Jul 2018 22:22:35 +0200 From: Pavel Machek To: Chen Yu Cc: "Rafael J . Wysocki" , Eric Biggers , Len Brown , "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: <20180718202235.GA4132@amd> References: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="ZGiS0Q5IWpPtfppv" Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --ZGiS0Q5IWpPtfppv Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable 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. Pavel --=20 (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html --ZGiS0Q5IWpPtfppv Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAltPoYsACgkQMOfwapXb+vKdrgCfUQP2u+ZlEhNDSLldzKr8dcxd ne0An1BJyqc3NUoaj8S10n3/0GMlehL5 =xZmc -----END PGP SIGNATURE----- --ZGiS0Q5IWpPtfppv--