From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Theodore Ts'o" Subject: Re: [PATCH v6 13/17] fs-verity: support builtin file signatures Date: Sun, 7 Jul 2019 14:47:11 -0400 Message-ID: <20190707184711.GB19775@mit.edu> References: <20190701153237.1777-1-ebiggers@kernel.org> <20190701153237.1777-14-ebiggers@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <20190701153237.1777-14-ebiggers@kernel.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net To: Eric Biggers Cc: "Darrick J . Wong" , linux-api@vger.kernel.org, Dave Chinner , linux-f2fs-devel@lists.sourceforge.net, linux-fscrypt@vger.kernel.org, linux-fsdevel@vger.kernel.org, Jaegeuk Kim , linux-integrity@vger.kernel.org, linux-ext4@vger.kernel.org, Linus Torvalds , Christoph Hellwig , Victor Hsieh List-Id: linux-api@vger.kernel.org On Mon, Jul 01, 2019 at 08:32:33AM -0700, Eric Biggers wrote: > From: Eric Biggers > > To meet some users' needs, add optional support for having fs-verity > handle a portion of the authentication policy in the kernel. An > ".fs-verity" keyring is created to which X.509 certificates can be > added; then a sysctl 'fs.verity.require_signatures' can be set to cause > the kernel to enforce that all fs-verity files contain a signature of > their file measurement by a key in this keyring. > > See the "Built-in signature verification" section of > Documentation/filesystems/fsverity.rst for the full documentation. > > Signed-off-by: Eric Biggers Looks good, you can add: Reviewed-by: Theodore Ts'o