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scd: Factor common PIN status check out.

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* scd/iso7816.h (ISO7816_VERIFY_ERROR): New.
(ISO7816_VERIFY_NO_PIN): New.
(ISO7816_VERIFY_BLOCKED): New.
(ISO7816_VERIFY_NULLPIN): New.
(ISO7816_VERIFY_NOT_NEEDED): New.
* scd/iso7816.c (iso7816_verify_status): New.
* scd/app-nks.c (get_chv_status): Use new function.
--

Signed-off-by: Werner Koch <wk@gnupg.org>

Backported from master:
- Removed the non-existant app-piv.c patches.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2020-04-07 18:25:41 +02:00
parent 471b06e91b
commit 9497d25c56
No known key found for this signature in database
GPG key ID: E3FDFF218E45B72B
4 changed files with 49 additions and 42 deletions
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10
scd/iso7816.h
View file

@ -29,6 +29,15 @@
#define ISO7816_CHANGE_REFERENCE_DATA 0x24
#define ISO7816_RESET_RETRY_COUNTER 0x2C
/* Error codes returned by iso7816_verify_status. A non-negative
* number gives the number of left tries.
* NB: The values are also used by the CHV-STATUS lines and thus are
* part of the public interface. Do not change them. */
#define ISO7816_VERIFY_ERROR (-1)
#define ISO7816_VERIFY_NO_PIN (-2)
#define ISO7816_VERIFY_BLOCKED (-3)
#define ISO7816_VERIFY_NULLPIN (-4)
#define ISO7816_VERIFY_NOT_NEEDED (-5)
/* Information to be passed to pinpad equipped readers. See
ccid-driver.c for details. */
@ -71,6 +80,7 @@ gpg_error_t iso7816_check_pinpad (int slot, int command,
gpg_error_t iso7816_verify (int slot,
int chvno, const char *chv, size_t chvlen);
gpg_error_t iso7816_verify_kp (int slot, int chvno, pininfo_t *pininfo);
int iso7816_verify_status (int slot, int chvno);
gpg_error_t iso7816_change_reference_data (int slot, int chvno,
const char *oldchv, size_t oldchvlen,
const char *newchv, size_t newchvlen);