lkml.org 
[lkml]   [2016]   [Jan]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] Restrict read access to private module signing key
Date
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
\
 
 \ /
  Last update: 2016-01-30 15:01    [W:0.030 / U:0.008 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site