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From: Alexander Holler <holler@ahsoftware.de>
To: Richard Weinberger <richard.weinberger@gmail.com>
Cc: "Pádraig Brady" <P@draigbrady.com>,
	LKML <linux-kernel@vger.kernel.org>,
	linux-kbuild <linux-kbuild@vger.kernel.org>,
	"Michal Marek" <mmarek@suse.cz>,
	"David Howells" <dhowells@redhat.com>,
	"Linus Torvalds" <torvalds@linux-foundation.org>
Subject: Re: [PATCH v2] modsign: use shred to overwrite the private key before deleting it
Date: Sun, 25 Jan 2015 14:46:38 +0100	[thread overview]
Message-ID: <54C4F3BE.60600@ahsoftware.de> (raw)
In-Reply-To: <54C4E351.6010601@ahsoftware.de>

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

  reply	other threads:[~2015-01-25 13:46 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-23  1:20 [PATCH] modsign: provide option to automatically delete the key after modules were installed Alexander Holler
2015-01-23  9:24 ` Michal Marek
2015-01-23  9:39   ` Alexander Holler
2015-01-23 10:15     ` Alexander Holler
2015-01-23 10:55       ` Michal Marek
2015-01-23 11:43         ` Alexander Holler
2015-01-23 11:54           ` Alexander Holler
2015-01-23 12:34             ` Alexander Holler
2015-01-23 18:26               ` Alexander Holler
2015-01-23 12:56             ` David Howells
2015-01-23 13:27               ` Alexander Holler
2015-01-23 13:35                 ` Alexander Holler
2015-01-23 21:57 ` [PATCH] modsign: overwrite keys with zero before deleting them Alexander Holler
2015-01-23 22:06   ` Richard Weinberger
2015-01-23 22:16     ` Alexander Holler
2015-01-23 23:58 ` David Howells
2015-01-24  0:13   ` Alexander Holler
2015-01-24  1:27     ` Pádraig Brady
2015-01-24 10:45       ` [PATCH v2] modsign: use shred to overwrite the private key before deleting it Alexander Holler
2015-01-24 11:37         ` Alexander Holler
2015-01-24 12:09           ` Alexander Holler
2015-01-24 12:29             ` Alexander Holler
2015-01-25  2:13               ` Pádraig Brady
2015-01-25  2:43                 ` Alexander Holler
2015-01-25 10:32                   ` Alexander Holler
2015-01-25 10:57                     ` Alexander Holler
2015-01-25 11:42                       ` Alexander Holler
2015-01-25 12:04                         ` Alexander Holler
2015-01-25 12:08                         ` Richard Weinberger
2015-01-25 12:24                           ` Alexander Holler
2015-01-25 12:28                             ` Richard Weinberger
2015-01-25 12:57                               ` Alexander Holler
2015-01-25 12:36                             ` Alexander Holler
2015-01-25 13:46                               ` Alexander Holler [this message]
2015-01-29 22:39                     ` Alexander Holler
2015-07-18 21:56 ` [PATCH] modsign: provide option to automatically delete the key after modules were installed Alexander Holler

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