From mboxrd@z Thu Jan 1 00:00:00 1970 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=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_MUTT 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 121B0C04AAC for ; Mon, 20 May 2019 11:57:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E42F520815 for ; Mon, 20 May 2019 11:57:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731424AbfETL5X (ORCPT ); Mon, 20 May 2019 07:57:23 -0400 Received: from mx2.suse.de ([195.135.220.15]:41232 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1730679AbfETL5W (ORCPT ); Mon, 20 May 2019 07:57:22 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id AABE2AE9A; Mon, 20 May 2019 11:57:21 +0000 (UTC) Date: Mon, 20 May 2019 13:57:21 +0200 From: Johannes Thumshirn To: "Austin S. Hemmelgarn" Cc: Adam Borowski , Diego Calleja , dsterba@suse.cz, David Sterba , Linux BTRFS Mailinglist Subject: Re: [PATCH 00/17] Add support for SHA-256 checksums Message-ID: <20190520115721.GD4985@x250> References: <20190510111547.15310-1-jthumshirn@suse.de> <20190515172720.GX3138@twin.jikos.cz> <2947276.sp5yYTaRCK@archlinux> <20190517190703.GA6723@x250> <20190518003808.GA17312@angband.pl> <20190520074750.GC4985@x250> <6b6f85cd-ec77-a39f-8afa-2c0f093d77ec@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <6b6f85cd-ec77-a39f-8afa-2c0f093d77ec@gmail.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org On Mon, May 20, 2019 at 07:34:34AM -0400, Austin S. Hemmelgarn wrote: > Those would also be cryptographic applications, which BTRFS is not. If > you're in one of those situations and need to have cryptographic > verification of files on the system, you need to be using either IMA, > dm-verity, or dm-integrity. This is a system we're aiming at in the followups to this series, but haven't ultimately validated the design yet. -- Johannes Thumshirn SUSE Labs Filesystems jthumshirn@suse.de +49 911 74053 689 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg GF: Felix Imendörffer, Mary Higgins, Sri Rasiah HRB 21284 (AG Nürnberg) Key fingerprint = EC38 9CAB C2C4 F25D 8600 D0D0 0393 969D 2D76 0850