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[209.132.180.67]) by mx.google.com with ESMTP id p87si334268pfa.48.2019.03.14.16.15.52; Thu, 14 Mar 2019 16:16:07 -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; dkim=fail header.i=@hansenpartnership.com header.s=20151216 header.b=Xom1t6C6; 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=hansenpartnership.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728085AbfCNXPO (ORCPT + 99 others); Thu, 14 Mar 2019 19:15:14 -0400 Received: from bedivere.hansenpartnership.com ([66.63.167.143]:37694 "EHLO bedivere.hansenpartnership.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727489AbfCNXPO (ORCPT ); Thu, 14 Mar 2019 19:15:14 -0400 Received: from localhost (localhost [127.0.0.1]) by bedivere.hansenpartnership.com (Postfix) with ESMTP id A6CF08EE1EC; Thu, 14 Mar 2019 16:15:13 -0700 (PDT) Received: from bedivere.hansenpartnership.com ([127.0.0.1]) by localhost (bedivere.hansenpartnership.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id uUFEi_7wNkui; Thu, 14 Mar 2019 16:15:13 -0700 (PDT) Received: from [153.66.254.194] (unknown [50.35.68.20]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by bedivere.hansenpartnership.com (Postfix) with ESMTPSA id 07CB58EE02B; Thu, 14 Mar 2019 16:15:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=hansenpartnership.com; s=20151216; t=1552605313; bh=+sNp9lHnPYGPJkjxRa5mzdQLDF//P9+5EqLB644Xm7o=; h=Subject:From:To:Cc:Date:In-Reply-To:References:From; b=Xom1t6C66vnDHLIL3YMov7IPb1C/Fxwazo/uOtSLjEEaXmS0yD+uItG+am84AWZgb r1HTw896/ClCOmPeKPAsvoP30uPuccRkyxmxD8Pnd92F/B3WXdK0DG5XZ4kETvkpUJ LJI27Ct6ZWPu8/3AmANDzsM6oHk3Yofg0/HuuRdM= Message-ID: <1552605311.2571.6.camel@HansenPartnership.com> Subject: Re: [PATCH 4/4] ubifs: Implement new mount option, fscrypt_key_required From: James Bottomley To: Richard Weinberger , linux-mtd@lists.infradead.org Cc: linux-fscrypt@vger.kernel.org, jaegeuk@kernel.org, tytso@mit.edu, linux-unionfs@vger.kernel.org, miklos@szeredi.hu, amir73il@gmail.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, paullawrence@google.com Date: Thu, 14 Mar 2019 16:15:11 -0700 In-Reply-To: <20190314171559.27584-5-richard@nod.at> References: <20190314171559.27584-1-richard@nod.at> <20190314171559.27584-5-richard@nod.at> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.26.6 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2019-03-14 at 18:15 +0100, Richard Weinberger wrote: > Usually fscrypt allows limited access to encrypted files even > if no key is available. > Encrypted filenames are shown and based on this names users > can unlink and move files. Shouldn't they be able to read/write and create as well (all with the ciphertext name and contents, of course) ... otherwise how does backup of encrypted files by admin without the key ever work? James