* sm/gpgsm.h (struct keyinfo_cache_item_s): New.
(struct server_control_s): Add keyinfo_cache and keyinfo_cache_valid.
* sm/call-agent.c (keyinfo_cache_disabled): New flag.
(release_a_keyinfo_cache): New.
(gpgsm_flush_keyinfo_cache): New.
(struct keyinfo_status_parm_s): New.
(keyinfo_status_cb): Implement a fill mode.
(gpgsm_agent_keyinfo): Implement a cache.
* sm/server.c (reset_notify): Flush the cache.
* sm/gpgsm.c (gpgsm_deinit_default_ctrl): Ditto.
--
In almost all cases we have just a few private keys in the agent and
thus it is better to fetch them early. This does not work in a
restricted connection but we take care and disable the cache in this
case.
This cache gives a a minor speed up.
GnuPG-bug-id: 7308
(cherry picked from commit 241971fac0)
9087c1d363