From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.saout.de ([127.0.0.1]) by localhost (mail.saout.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id dgR2vIHloBxk for ; Sun, 9 Dec 2012 16:49:18 +0100 (CET) Received: from mail-we0-f178.google.com (mail-we0-f178.google.com [74.125.82.178]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mail.saout.de (Postfix) with ESMTPS for ; Sun, 9 Dec 2012 16:49:18 +0100 (CET) Received: by mail-we0-f178.google.com with SMTP id x43so1045798wey.37 for ; Sun, 09 Dec 2012 07:49:17 -0800 (PST) Message-ID: <50C4B324.1060602@gmail.com> Date: Sun, 09 Dec 2012 16:49:56 +0100 From: =?ISO-8859-1?Q?Javier_Juan_Mart=EDnez_Cabez=F3n?= MIME-Version: 1.0 References: <20232.77.109.139.26.1355052014.squirrel@lavabit.com> <50C48372.5030106@gmail.com> <50C4A4A1.4090003@babioch.de> In-Reply-To: <50C4A4A1.4090003@babioch.de> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: Re: [dm-crypt] (OT) Secure data wipe List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: dm-crypt@saout.de On 09/12/12 15:48, Karol Babioch wrote: > this basically is a myth. Overwriting the whole drive just one time > will make any recovery practically impossible, see [1]. Just to link the DoD Standard, DoD recommended 3 cycles, and in US DoD-5220.22-M ECE 7 cycles: I don't think that one person who wants assure to destroy their secret data would want to take the risk of these 0,97% www.usaid.gov/pubs/ads/500/d522022m.pdf