From: Alexander Holler <holler@ahsoftware.de>
To: linux-kernel@vger.kernel.org
Cc: linux-kbuild@vger.kernel.org, Michal Marek <mmarek@suse.cz>,
David Howells <dhowells@redhat.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Alexander Holler <holler@ahsoftware.de>
Subject: [PATCH] modsign: overwrite keys with zero before deleting them
Date: Fri, 23 Jan 2015 22:57:01 +0100 [thread overview]
Message-ID: <1422050221-28345-1-git-send-email-holler@ahsoftware.de> (raw)
In-Reply-To: <1421976009-9819-1-git-send-email-holler@ahsoftware.de>
This is for the more paranoid people, also it's
questionable what paranoid nowadays means.
Signed-off-by: Alexander Holler <holler@ahsoftware.de>
---
Makefile | 2 ++
1 file changed, 2 insertions(+)
diff --git a/Makefile b/Makefile
index 7ad66de..590ff53 100644
--- a/Makefile
+++ b/Makefile
@@ -1132,7 +1132,9 @@ ifeq ($(CONFIG_MODULE_SIG_THROW_AWAY), y)
@echo "###"
@echo "### Deleting key used to sign modules."
@echo "###"
+ @dd status=none if=/dev/zero of=./signing_key.priv bs=4096 count=1
@rm ./signing_key.priv
+ @dd status=none if=/dev/zero of=./signing_key.x509 bs=4096 count=1
@rm ./signing_key.x509
endif
--
2.0.5
next prev parent reply other threads:[~2015-01-23 21:57 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 ` Alexander Holler [this message]
2015-01-23 22:06 ` [PATCH] modsign: overwrite keys with zero before deleting them 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
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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