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scd: Add option --clear to PASSWD.

Browse source 
* scd/command.c (cmd_passwd): Add option --clear.
(send_status_printf): New.
* scd/app-common.h (APP_CHANGE_FLAG_CLEAR): New.
* scd/app-nks.c (do_change_pin): Return an error if that option is
used.
* scd/app-openpgp.c (do_change_pin): Ditto.
--

Card application may support this option to clear the PIN verification
status of a specific PIN.

Signed-off-by: Werner Koch <wk@gnupg.org>
(cherry picked from commit 29929e6552)
This commit is contained in:
Werner Koch 2019-01-21 14:06:51 +01:00
parent 9309175de8
commit d4082ff430
No known key found for this signature in database
GPG key ID: E3FDFF218E45B72B
7 changed files with 46 additions and 6 deletions
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5
scd/app-common.h
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@ -26,8 +26,9 @@
#include <ksba.h>
#define APP_CHANGE_FLAG_RESET 1
#define APP_CHANGE_FLAG_NULLPIN 2
#define APP_CHANGE_FLAG_RESET 1 /* PIN Reset mode. */
#define APP_CHANGE_FLAG_NULLPIN 2 /* NULL PIN mode. */
#define APP_CHANGE_FLAG_CLEAR 4 /* Clear the given PIN. */
/* Bit flags set by the decipher function into R_INFO. */
#define APP_DECIPHER_INFO_NOPAD 1 /* Padding has been removed. */