From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from h1446028.stratoserver.net ([85.214.92.142]:47911 "EHLO mail.ahsoftware.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751771AbbAYNqp (ORCPT ); Sun, 25 Jan 2015 08:46:45 -0500 Message-ID: <54C4F3BE.60600@ahsoftware.de> Date: Sun, 25 Jan 2015 14:46:38 +0100 From: Alexander Holler MIME-Version: 1.0 Subject: Re: [PATCH v2] modsign: use shred to overwrite the private key before deleting it References: <54C2F4F8.20809@draigBrady.com> <1422096327-4483-1-git-send-email-holler@ahsoftware.de> <54C383E0.9060408@ahsoftware.de> <54C38B6D.1060806@ahsoftware.de> <54C3901D.8040406@ahsoftware.de> <54C45153.2050703@draigBrady.com> <54C4583A.5040505@ahsoftware.de> <54C4C65A.2020403@ahsoftware.de> <54C4CC05.9090602@ahsoftware.de> <54C4D6BA.4080308@ahsoftware.de> <54C4E080.4020507@ahsoftware.de> <54C4E351.6010601@ahsoftware.de> In-Reply-To: <54C4E351.6010601@ahsoftware.de> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kbuild-owner@vger.kernel.org List-ID: To: Richard Weinberger Cc: =?UTF-8?B?UMOhZHJhaWcgQnJhZHk=?= , LKML , linux-kbuild , Michal Marek , David Howells , Linus Torvalds Am 25.01.2015 um 13:36 schrieb Alexander Holler: > Am 25.01.2015 um 13:24 schrieb Alexander Holler: >> Am 25.01.2015 um 13:08 schrieb Richard Weinberger: >>> >>> Or add support for the "s" chattr to major filesystems. (...) >> So maybe shred should first set the 's' attribute before calling unlink >> on that file (if it doesn't already do it). I will look at it and send a >> patch if necessary. It's at least a small bit where I can help. ;) (...) That currently looks like a total waste of time. Grepping the kernel for SECRM_FL looks like this flags isn't supported (used) by any fs. Regards, Alexander Holler