* agent/command.c (cmd_keyinfo): Factor some code out to ...
(get_keyinfo_on_cards): ... new.
(cmd_havekey): Add --list mode.
* g10/gpg.h (struct server_control_s): Add new caching vars.
* g10/gpg.c (gpg_deinit_default_ctrl): Release cache.
* g10/call-agent.c (agent_probe_any_secret_key): Init and try to use
the keygrip cache.
(agent_genkey): Clear the cache.
(agent_import_key): Ditto.
* g10/keylist.c (list_all, list_one): Pass ctrl to
agent_probe_any_secret_key.
* g10/getkey.c (lookup): Ditto.
--
With this change we first ask the agent for a list of all secret
keygrips and use that list instead of asking the agent for each public
key. Speeds up my "gpg -K" with a lot of secret and public keys by
more than 25%.
Signed-off-by: Werner Koch <wk@gnupg.org>