From owner-freebsd-hackers@FreeBSD.ORG Wed Jan 14 03:21:46 2015 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 046DE779; Wed, 14 Jan 2015 03:21:46 +0000 (UTC) Received: from mail-qa0-x22c.google.com (mail-qa0-x22c.google.com [IPv6:2607:f8b0:400d:c00::22c]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id B24A8971; Wed, 14 Jan 2015 03:21:45 +0000 (UTC) Received: by mail-qa0-f44.google.com with SMTP id w8so5063898qac.3; Tue, 13 Jan 2015 19:21:45 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=cG6cBMrclQkp5FCKx0KpNV6uyfA8VZKDikVk9J2EdGM=; b=moRGCgLOKmeDvdYnGjAKarPI90axjsgGbWuMYjoe5yO8zTslhG7qITKXt+3UlcDNtt UCQG00J4TiVVWWPLuAFNxkIkdw1NNTQkvTAmQMf6LPyHWmhpsUdP8nxF3zTlz+aUOfO5 qee8ivHOe3PDe5DP/GJHv9BWgA/75Qz5xL4tr4N4Ip48naUrpkHEvBmPZF+2HhnWH3r7 8YWJr7NBHRugZulqZrdHQbi5MtWwwaUrrD8m33pnqJS/PqnCb2u1/OQY2Wooq9jmMIqd JIzM+wZ/wpbj08bXiQys1ecYDVw7Ap7q1VnRUDJRD26hoVd/fVmiGtQf3Fwz+CXCtuIf Tljw== MIME-Version: 1.0 X-Received: by 10.224.147.197 with SMTP id m5mr3067026qav.51.1421205704938; Tue, 13 Jan 2015 19:21:44 -0800 (PST) Received: by 10.96.39.2 with HTTP; Tue, 13 Jan 2015 19:21:44 -0800 (PST) In-Reply-To: <54b5d299.4914980a.61cd.43a6@mx.google.com> References: <54b33bfa.e31b980a.3e5d.ffffc823@mx.google.com> <54B4AE55.9090205@platinum.linux.pl> <54b5d299.4914980a.61cd.43a6@mx.google.com> Date: Wed, 14 Jan 2015 05:21:44 +0200 Message-ID: Subject: Re: ChaCha8/12/20 and GEOM ELI tests From: Kimmo Paasiala To: Rozhuk.IM@gmail.com Content-Type: text/plain; charset=UTF-8 Cc: FreeBSD Hackers , freebsd-geom@freebsd.org, Adam Nowacki X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 14 Jan 2015 03:21:46 -0000 > Depends on the capabilities of the attacker. > > To be able to continuously read encrypted sectors for data collection is too much. > When talking about disk encryption the first assumption is that the attacker always has this capability, even with so much power the attacker shouldn't be able to break the encryption scheme. If he can then the encryption scheme is not secure. -Kimmo