card: Cache the results from gpg and gpgsm.

* tools/card-tool-keys.c (keyblock_cache): New var.
(release_keyblock): Factor code out to a new do_release_keyblock.  Add
a cache.
(flush_keyblock_cache): New.
(get_matching_keys): Use the cache.
* tools/gpg-card-tool.c (cmds): Add command "reset".
(interactive_loop): Implement reset.
--

Signed-off-by: Werner Koch <[email protected]>

1 files changed, 4 insertions, 0 deletions

diff --git a/tools/gpg-card-tool.c b/tools/gpg-card-tool.c
index 321426bdd..07b8bc67b 100644
--- a/tools/gpg-card-tool.c
+++ b/tools/gpg-card-tool.c
@@ -312,6 +312,8 @@ main (int argc, char **argv)
       break;
     }
 
+  flush_keyblock_cache ();
+
   if (err)
     gnupg_status_printf (STATUS_FAILURE, "- %u", err);
   else if (log_get_errorcount (0))
@@ -2639,6 +2641,7 @@ static struct
   { "passwd"  , cmdPASSWD, 0, N_("menu to change or unblock the PIN")},
   { "verify"  , cmdVERIFY, 0, N_("verify the PIN and list all data")},
   { "unblock" , cmdUNBLOCK,0, N_("unblock the PIN using a Reset Code")},
+  { "reset"   , cmdRESET,  0, N_("send a reset to the card daemon")},
   { "factory-reset", cmdFACTORYRESET, 1, N_("destroy all keys and data")},
   { "kdf-setup", cmdKDFSETUP, 1, N_("setup KDF for PIN authentication")},
   { "key-attr", cmdKEYATTR, 1, N_("change the key attribute")},
@@ -2834,6 +2837,7 @@ interactive_loop (void)
                         "Send a RESET to the card daemon.", 0);
           else
             {
+              flush_keyblock_cache ();
               err = scd_apdu (NULL, NULL);
             }
           break;