From owner-freebsd-questions@FreeBSD.ORG  Thu Dec 14 22:45:31 2006
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
X-Original-To: freebsd-questions@freebsd.org
Delivered-To: freebsd-questions@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [69.147.83.52])
	by hub.freebsd.org (Postfix) with ESMTP id 58E0116AA1B
	for <freebsd-questions@freebsd.org>;
	Thu, 14 Dec 2006 22:45:30 +0000 (UTC)
	(envelope-from wojtek@tensor.3miasto.net)
Received: from chylonia.3miasto.net (chylonia.3miasto.net [213.192.74.6])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 58C4144066
	for <freebsd-questions@freebsd.org>;
	Thu, 14 Dec 2006 22:42:06 +0000 (GMT)
	(envelope-from wojtek@tensor.3miasto.net)
Received: from chylonia.3miasto.net (localhost [127.0.0.1])
	by chylonia.3miasto.net (8.13.4/8.13.4) with ESMTP id kBEMh8g9033195;
	Thu, 14 Dec 2006 23:43:08 +0100 (CET)
	(envelope-from wojtek@tensor.3miasto.net)
Received: from localhost (wojtek@localhost)
	by chylonia.3miasto.net (8.13.4/8.13.4/Submit) with ESMTP id
	kBEMh7Rh033192; Thu, 14 Dec 2006 23:43:08 +0100 (CET)
	(envelope-from wojtek@tensor.3miasto.net)
X-Authentication-Warning: chylonia.3miasto.net: wojtek owned process doing -bs
Date: Thu, 14 Dec 2006 23:43:07 +0100 (CET)
From: Wojciech Puchar <wojtek@tensor.3miasto.net>
X-X-Sender: wojtek@chylonia.3miasto.net
To: Fabian Keil <freebsd-listen@fabiankeil.de>
In-Reply-To: <20061214132434.5ac20b82@localhost>
Message-ID: <20061214234003.L32744@chylonia.3miasto.net>
References: <457C686E.5050504@locolomo.org> <20061214132434.5ac20b82@localhost>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed
Cc: freebsd-questions@freebsd.org
Subject: Re: How safe is encrypted disks? (data integrity)
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 14 Dec 2006 22:45:31 -0000

>
>> I have been thinking to make /home on my laptop encrypted - seems like a
>> good idea if it gets stolen. Now, how safe is this? Not in terms of the
>> strength of the encryption algorithm, but in terms of integrity.
>
> I have no insight on the code, but as nobody else answered,
> my response may be better than nothing.

as safe as unencrypted unless you won't forget password.

if just perform encryption before writing sector, and decryption after 
reading - so it's as safe as underlaying hardware.

while i'm using gbde not geli, it's true too IMHO.

> I experienced several system crashes and one or two power failures
> do to empty battery but I didn't lose any data already saved
> on the disk (that I know of).

exactly will behave as crash on unencrypted partition.