Index: b/g10/getkey.c
===================================================================
--- b/g10/getkey.c
+++ b/g10/getkey.c
@@ -1121,7 +1121,7 @@
   return 0;
 }
 
-static const char *
+const char *
 parse_def_secret_key (ctrl_t ctrl)
 {
   KEYDB_HANDLE hd = NULL;
Index: b/g10/gpg.c
===================================================================
--- b/g10/gpg.c
+++ b/g10/gpg.c
@@ -303,6 +303,7 @@
     oEncryptTo,
     oHiddenEncryptTo,
     oNoEncryptTo,
+    oEncryptToDefaultKey,
     oLoggerFD,
     oLoggerFile,
     oUtf8Strings,
@@ -500,6 +501,7 @@
   ARGPARSE_s_s (oEncryptTo,      "encrypt-to", "@"),
   ARGPARSE_s_n (oNoEncryptTo, "no-encrypt-to", "@"),
   ARGPARSE_s_s (oHiddenEncryptTo, "hidden-encrypt-to", "@"),
+  ARGPARSE_s_n (oEncryptToDefaultKey, "encrypt-to-default-key", "@"),
   ARGPARSE_s_s (oLocalUser, "local-user",
                 N_("|USER-ID|use USER-ID to sign or decrypt")),
 
@@ -2776,6 +2778,9 @@
 	    sl = add_to_strlist2( &remusr, pargs.r.ret_str, utf8_strings );
 	    sl->flags = 1|2;
 	    break;
+          case oEncryptToDefaultKey:
+            opt.encrypt_to_default_key = 1;
+            break;
 	  case oRecipient: /* store the recipient */
 	    add_to_strlist2( &remusr, pargs.r.ret_str, utf8_strings );
             any_explicit_recipient = 1;
@@ -3727,6 +3732,20 @@
         break;
       }
 
+    if (opt.encrypt_to_default_key)
+      {
+        const char *default_key = parse_def_secret_key (ctrl);
+        if (default_key)
+          {
+            sl = add_to_strlist2 (&remusr, default_key, utf8_strings);
+            sl->flags = 1;
+          }
+        else if (opt.def_secret_key)
+          log_info (_("--encrypt-to-default-key specified, but no valid default keys specified.\n"));
+        else
+          log_info (_("--encrypt-to-default-key specified, but --default-key not specified.\n"));
+      }
+
     /* The command dispatcher.  */
     switch( cmd )
       {
Index: b/g10/keydb.h
===================================================================
--- b/g10/keydb.h
+++ b/g10/keydb.h
@@ -582,6 +582,10 @@
    with the specified key id.  */
 int have_secret_key_with_kid (u32 *keyid);
 
+/* Parse the --default-key parameter.  Returns the last key (in terms
+   of when the option is given) that is available.  */
+const char *parse_def_secret_key (ctrl_t ctrl);
+
 /* Look up a secret key.
 
    If PK is not NULL, the public key of the first result is returned
Index: b/g10/options.h
===================================================================
--- b/g10/options.h
+++ b/g10/options.h
@@ -174,6 +174,7 @@
   int no_mdc_warn;
   char *temp_dir;
   int no_encrypt_to;
+  int encrypt_to_default_key;
   int interactive;
   struct notation *sig_notations;
   struct notation *cert_notations;