From: Luis Ressel <aranea@aixah.de>
To: David Howells <dhowells@redhat.com>,
David Woodhouse <dwmw2@infradead.org>,
keyrings@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] Restrict read access to private module signing key
Date: Sat, 30 Jan 2016 14:27:44 +0100 [thread overview]
Message-ID: <1454160464-12380-1-git-send-email-aranea@aixah.de> (raw)
The autogenerated module signing key shouldn't be world-readable.
Signed-off-by: Luis Ressel <aranea@aixah.de>
---
certs/Makefile | 2 ++
1 file changed, 2 insertions(+)
diff --git a/certs/Makefile b/certs/Makefile
index 28ac694..7f1f082 100644
--- a/certs/Makefile
+++ b/certs/Makefile
@@ -49,6 +49,8 @@ $(obj)/signing_key.pem: $(obj)/x509.genkey
@echo "### needs to be run as root, and uses a hardware random"
@echo "### number generator if one is available."
@echo "###"
+ touch $(obj)/signing_key.pem
+ chmod 0600 $(obj)/signing_key.pem
openssl req -new -nodes -utf8 -$(CONFIG_MODULE_SIG_HASH) -days 36500 \
-batch -x509 -config $(obj)/x509.genkey \
-outform PEM -out $(obj)/signing_key.pem \
--
2.7.0
next reply other threads:[~2016-01-30 13:28 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-30 13:27 Luis Ressel [this message]
[not found] <1451747630-15940-1-git-send-email-aranea@aixah.de>
2016-01-16 23:02 ` Luis Ressel
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