* agent/protect.c (s2k_calibration_time): New file global var.
(calibrate_s2k_count): Use it here.
(get_calibrated_s2k_count): Replace function static var by ...
(s2k_calibrated_count): new file global var.
(set_s2k_calibration_time): New function.
* agent/gpg-agent.c (oS2KCalibration): New const.
(opts): New option --s2k-calibration.
(parse_rereadable_options): Parse that option.
--
Note that using an unrelistic high value (like 60000) takes quite some
time for calibration.
GnuPG-bug-id: 3399
Signed-off-by: Werner Koch <wk@gnupg.org>