Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 25 Feb 2002 14:47:01 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 25 Feb 2002 14:46:54 -0500 Received: from smtp3.hushmail.com ([64.40.111.33]:35848 "HELO smtp3.hushmail.com") by vger.kernel.org with SMTP id ; Mon, 25 Feb 2002 14:46:40 -0500 Message-Id: <200202251943.g1PJhh231456@mailserver4.hushmail.com> From: mailerror@hushmail.com To: Jari Ruusu Cc: linux-kernel@vger.kernel.org, mailerror@hushmail.com Subject: Re: Re: loop under 2.2.20 - relative block support? Date: Mon, 25 Feb 2002 11:43:43 -0800 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On Mon, 25 Feb 2002 20:41:25 +0200, Jari Ruusu wrote: >mailerror@hushmail.com wrote: >> On Sat, 23 Feb 2002 21:47:56 +0200, Jari Ruusu wrote: >> >Kerneli patches use block size dependant IV computation (also called "time >> >bomb" IV). Shit hits the fan when you move files to a device with different >> >block size. Search linux-crypto archives for more information. >> >> Aha. So if I moved the loopback file onto a partition with the same blocksize >> again, it would all be fine? > >If you can move original (unmodified) loop file to same block size, same >kernel version, then yes. If you mounted it rw, then your "time bomb" >exploded on your face. > Okay, my files are fine then, since the files were burned on cd right after I created them. Is this still a problem with the 2.4 loop device? In your patch for 2.4.16 I noticed that the IV calculation is independent from the underlying block size. That alone would be enough to make me switch over from 2.2 ;-) thanks a lot.. mailerror Hush provide the worlds most secure, easy to use online applications - which solution is right for you? HushMail Secure Email http://www.hushmail.com/ HushDrive Secure Online Storage http://www.hushmail.com/hushdrive/ Hush Business - security for your Business http://www.hush.com/ Hush Enterprise - Secure Solutions for your Enterprise http://www.hush.com/ -----BEGIN PGP SIGNATURE----- Version: Hush 2.1 Note: This signature can be verified at https://www.hushtools.com wl4EARECAB4FAjx6lMEXHG1haWxlcnJvckBodXNobWFpbC5jb20ACgkQb539PwJB5JNC zQCdFCCDIQTekRvch+NwN2Z2mU4SOmIAoK5Z9j5SMGaxOLPUPnWw9N6zxR/J =BmUy -----END PGP SIGNATURE----- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/