X-Git-Url: https://ruderich.org/simon/gitweb/?a=blobdiff_plain;f=gnupg%2Fgpg.conf;h=0b1f73cec91904392629bee876d41a1d285ed5ef;hb=699bd48c0f9bc65df70d1fbe73d2b24afc4333f7;hp=d10858f71bbe5e5ba285c0803e3ddffa89bf55ff;hpb=0cb426a3bbc2c2722271a2c33821afecefe58c7a;p=config%2Fdotfiles.git

diff --git a/gnupg/gpg.conf b/gnupg/gpg.conf
index d10858f..0b1f73c 100644
--- a/gnupg/gpg.conf
+++ b/gnupg/gpg.conf
@@ -1,6 +1,11 @@
 # Configuration file for GnuPG.
+#
+# Thanks to [1] for some hints to generate more secure keys (read on
+# 2013-04-04).
+#
+# [1]: https://we.riseup.net/riseuplabs+paow/openpgp-best-practices
 
-# Copyright (C) 2009-2012  Simon Ruderich
+# Copyright (C) 2009-2013  Simon Ruderich
 #
 # This file is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -21,14 +26,30 @@
 # Don't display the copyright notice.
 no-greeting
 
+# Use long keyids because the short ones have collisions.
+keyid-format 0xlong
+
 
 # KEY GENERATION
 
-# Use AES256, SHA256 and zlib when possible (when the receiver's key allows
-# it).
-personal-cipher-preferences AES256
-personal-digest-preferences SHA256
-personal-compress-preferences ZLIB
+# Use more secure preferences. These are not enforced, but tried in the given
+# order and the first supported by all recipients is used.
+#
+# Ciphers for encryption.
+personal-cipher-preferences AES256 AES192 AES CAST5
+# Don't use insecure hashes like SHA1 or MD5 and prefer stronger hashes.
+personal-digest-preferences SHA512 SHA384 SHA256 SHA224
+# Prefer better compression methods.
+personal-compress-preferences BZIP2 ZLIB ZIP Uncompressed
+
+# Default preferences when generating a new key. Use the three settings above
+# combined to create more secure keys.
+default-preference-list SHA512 SHA384 SHA256 SHA224 AES256 AES192 AES CAST5 BZIP2 ZLIB ZIP Uncompressed
+
+# Don't use SHA1 when signing keys, this includes self-certificates. This
+# setting is separate from the settings above and needs to be explicitly set
+# or SHA1 will be used! Thanks to [1].
+cert-digest-algo SHA512
 
 
 # KEYSERVERS
@@ -40,6 +61,6 @@ keyserver hkp://pool.sks-keyservers.net
 # MY KEYS
 
 # Use my newest key as default key.
-default-key 0xE44C32F9
+default-key 0x92FEFDB7E44C32F9
 
 # vim: ft=gpg