Received: by 2002:a25:c593:0:0:0:0:0 with SMTP id v141csp5684944ybe; Tue, 17 Sep 2019 11:50:16 -0700 (PDT) X-Google-Smtp-Source: APXvYqxY80018Is6Wv/OW+lW6BlazdihZXToZlE43kElLb5haOckW2XOq4ozrjch3KqhoTbEYZC8 X-Received: by 2002:a17:907:111b:: with SMTP id qu27mr6207084ejb.10.1568746216800; Tue, 17 Sep 2019 11:50:16 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1568746216; cv=none; d=google.com; s=arc-20160816; b=QyR2MVxy3cBaUs5O40VwH8KlKLQfPjQGqvjPqtJfvdzhaTKOrhq60XORg3qESrZ1IE WYwWbkeX2tG+Kc+T1R3kNoEWu7TCFslQXO8Refocsrv0ChkXbLN3xPTZSAfaGrSikul3 Qt4+ZWPEqSMOppZuvnMPOoeYeOZOx6ZFbIuy8+X36mtwniYVDBPkjwCNpAypfajtsSU+ 332VeEyUJp1A4apl4c2C7zH5YzZBiQ40eAWC/ww9S5ZzwzPLS0TXRAzfDAPJglJY3dvN +tw443XwNaJ0nL5FGxf8hKGgqJfTKu47RG1s6ykkxsszmlkAJZLgMHCIrm4h6LH0mxUV LqMQ== 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:dkim-signature; bh=LuL5ZI414b9FwKoH6sRw7sESGqD8UiRL/050jKRr87s=; b=SSGJTJI6utpaM25NY61TSQ3MVVg4pcKXlRnKPFA4ek26XGxCrdaKO2faQbO1VwP+Q2 WJbHs9w+FK+ek93C8lCsJ7uKoXeL/UsMjPLYr2dQi+Val0+CCeKQNLw7+cF4mStNxQwC SuxNnARuch5D9CuKborg2MFesEO/8S/jzj0VtA5AFlrxcYxmLc1NQy4NT9o2d+Tsw627 0FiVasUUnuZZQsdS0bsrEPp6uDNFSd7+f8sJcyYzi/0CugdjpOEjgfDDlsqYtVXIJfUX 5OrTaR375PxGJQSBo2QpRzlZkrZ6dxmMybTmsaOt0OT9nVMo0csl13eS16kPsClHCk9B WJ/A== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@codon.org.uk header.s=63138784 header.b=tBOsGYkK; spf=pass (google.com: best guess record for domain of linux-ext4-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-ext4-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 e18si1739624eds.68.2019.09.17.11.49.52; Tue, 17 Sep 2019 11:50:16 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-ext4-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=@codon.org.uk header.s=63138784 header.b=tBOsGYkK; spf=pass (google.com: best guess record for domain of linux-ext4-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-ext4-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728800AbfIQREx (ORCPT + 99 others); Tue, 17 Sep 2019 13:04:53 -0400 Received: from cavan.codon.org.uk ([93.93.128.6]:55191 "EHLO cavan.codon.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728620AbfIQREx (ORCPT ); Tue, 17 Sep 2019 13:04:53 -0400 X-Greylist: delayed 1758 seconds by postgrey-1.27 at vger.kernel.org; Tue, 17 Sep 2019 13:04:52 EDT DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=codon.org.uk; s=63138784; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=LuL5ZI414b9FwKoH6sRw7sESGqD8UiRL/050jKRr87s=; b=tBOsGYkK7q19jjSn61AmmdNm1 o/JrySduijRGaqcJQxeElc9mBQOrwzlmboHlNZw23tFuNIImhhUD17sz5FoLvEnMVkJm3xjeCRnxM eGF1Cqbu+zm6w/r6mp75NInUGtAbolzuQA4Wz5woDMXc+zEuOk1gyYw/pW6vGryUEeuTY=; Received: from mjg59 by cavan.codon.org.uk with local (Exim 4.89) (envelope-from ) id 1iAGRM-00025G-Dj; Tue, 17 Sep 2019 17:34:56 +0100 Date: Tue, 17 Sep 2019 17:34:56 +0100 From: Matthew Garrett To: Linus Torvalds Cc: Martin Steigerwald , Willy Tarreau , "Ahmed S. Darwish" , "Theodore Y. Ts'o" , Vito Caputo , Lennart Poettering , Andreas Dilger , Jan Kara , Ray Strode , William Jon McCann , "Alexander E. Patrakov" , zhangjs , linux-ext4@vger.kernel.org, lkml Subject: Re: Linux 5.3-rc8 Message-ID: <20190917163456.alzodstm3hd4yrni@srcf.ucam.org> References: <20190917052438.GA26923@1wt.eu> <2508489.jOnZlRuxVn@merkaba> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20170113 (1.7.2) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: mjg59@cavan.codon.org.uk X-SA-Exim-Scanned: No (on cavan.codon.org.uk); SAEximRunCond expanded to false Sender: linux-ext4-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org On Tue, Sep 17, 2019 at 09:27:44AM -0700, Linus Torvalds wrote: > Does anybody believe that 128 bits of randomness is a good basis for a > long-term secure key? Yes, it's exactly what you'd expect for an AES 128 key, which is still considered to be secure. -- Matthew Garrett | mjg59@srcf.ucam.org