gpg: Enable templating for gpg.conf

gnupg/gpg.conf.j2

@@ -0,0 +1,40 @@
+# no spam
+no-greeting
+
+# minimize information leakage
+no-comments
+no-emit-version
+export-options export-minimal
+
+# show as much key info as possible
+keyid-format 0xlong
+with-fingerprint
+
+# show validity of the keys
+verify-options show-uid-validity
+list-options show-uid-validity
+
+# cipher settings
+personal-cipher-preferences AES256 AES192 AES
+personal-digest-preferences SHA512 SHA384 SHA256
+personal-compress-preferences ZLIB BZIP2 ZIP Uncompressed
+default-preference-list SHA512 SHA384 SHA256 AES256 AES192 AES ZLIB BZIP2 ZIP Uncompressed
+
+cert-digest-algo SHA512
+
+# key derivation algo
+s2k-cipher-algo AES256
+s2k-digest-algo SHA512
+s2k-mode 3
+s2k-count 65011712
+
+use-agent
+display-charset utf-8
+fixed-list-mode
+no-mangle-dos-filenames
+require-cross-certification
+
+# do not cache keys for symmetric encryption
+no-symkey-cache
+
+keyserver-options no-honor-keyserver-url no-auto-key-retrieve include-revoked