aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--doc/gpg.texi19
-rw-r--r--g10/gpg.c2
-rw-r--r--g10/main.h11
3 files changed, 26 insertions, 6 deletions
diff --git a/doc/gpg.texi b/doc/gpg.texi
index 36aa18ef1..7ac1613f9 100644
--- a/doc/gpg.texi
+++ b/doc/gpg.texi
@@ -1,4 +1,4 @@
-@c Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
+ @c Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
@c 2008, 2009, 2010 Free Software Foundation, Inc.
@c This is part of the GnuPG manual.
@c For copying conditions, see the file gnupg.texi.
@@ -14,6 +14,19 @@
@cindex command options
@cindex options, GPG command
+@c Begin algorithm defaults
+
+@ifclear gpgtwoone
+@set DEFSYMENCALGO CAST5
+@end ifclear
+
+@ifset gpgtwoone
+@set DEFSYMENCALGO AES128
+@end ifset
+
+@c End algorithm defaults
+
+
@c Begin GnuPG 1.x specific stuff
@ifset gpgone
@macro gpgname
@@ -217,7 +230,7 @@ decrypted via a secret key or a passphrase).
@itemx -c
@opindex symmetric
Encrypt with a symmetric cipher using a passphrase. The default
-symmetric cipher used is CAST5, but may be chosen with the
+symmetric cipher used is @value{DEFSYMENCALGO}, but may be chosen with the
@option{--cipher-algo} option. This option may be combined with
@option{--sign} (for a signed and symmetrically encrypted message),
@option{--encrypt} (for a message that may be decrypted via a secret key
@@ -2272,7 +2285,7 @@ to consider (e.g. @option{--symmetric}).
@item --s2k-cipher-algo @code{name}
@opindex s2k-cipher-algo
Use @code{name} as the cipher algorithm used to protect secret keys.
-The default cipher is CAST5. This cipher is also used for
+The default cipher is @value{DEFSYMENCALGO}. This cipher is also used for
conventional encryption if @option{--personal-cipher-preferences} and
@option{--cipher-algo} is not given.
diff --git a/g10/gpg.c b/g10/gpg.c
index 7ba193b6f..ce1a87fbd 100644
--- a/g10/gpg.c
+++ b/g10/gpg.c
@@ -2072,7 +2072,7 @@ main (int argc, char **argv)
opt.compress_algo = -1; /* defaults to DEFAULT_COMPRESS_ALGO */
opt.s2k_mode = 3; /* iterated+salted */
opt.s2k_count = 0; /* Auto-calibrate when needed. */
- opt.s2k_cipher_algo = CIPHER_ALGO_CAST5;
+ opt.s2k_cipher_algo = DEFAULT_CIPHER_ALGO;
opt.completes_needed = 1;
opt.marginals_needed = 3;
opt.max_cert_depth = 5;
diff --git a/g10/main.h b/g10/main.h
index b2efaae3b..4eb1b5f31 100644
--- a/g10/main.h
+++ b/g10/main.h
@@ -26,11 +26,18 @@
#include "util.h"
/* It could be argued that the default cipher should be 3DES rather
- than CAST5, and the default compression should be 0
+ than AES128, and the default compression should be 0
(i.e. uncompressed) rather than 1 (zip). However, the real world
issues of speed and size come into play here. */
-#define DEFAULT_CIPHER_ALGO CIPHER_ALGO_CAST5
+#if GPG_USE_AES128
+# define DEFAULT_CIPHER_ALGO CIPHER_ALGO_AES
+#elif GPG_USE_CAST5
+# define DEFAULT_CIPHER_ALGO CIPHER_ALGO_CAST5
+#else
+# define DEFAULT_CIPHER_ALGO CIPHER_ALGO_3DES
+#endif
+
#define DEFAULT_DIGEST_ALGO DIGEST_ALGO_SHA1
#define DEFAULT_S2K_DIGEST_ALGO DIGEST_ALGO_SHA1
#ifdef HAVE_ZIP