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Improved comments for PIN cmd structures.

This commit is contained in:
Zoltan Kelemen 2020-07-06 10:32:00 +02:00 committed by Jakub Jelen
parent 11adcfca99
commit f0b157b8e7
1 changed files with 18 additions and 7 deletions
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25
src/libopensc/opensc.h
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@ -429,27 +429,38 @@ typedef struct sc_reader {
#define SC_PIN_STATE_LOGGED_OUT 0
#define SC_PIN_STATE_LOGGED_IN 1
/* A card driver receives the sc_pin_cmd_data and sc_pin_cmd_pin structures filled in by the
* caller, with the exception of the fields returned by the driver for SC_PIN_CMD_GET_INFO.
* It may use and update any of the fields before passing the structure to the ISO 7816 layer for
* processing.
*/
struct sc_pin_cmd_pin {
const char *prompt; /* Prompt to display */
const unsigned char *data; /* PIN, if given by the application */
int len; /* set to -1 to get pin from pin pad */
const unsigned char *data; /* PIN, set to NULL when using pin pad */
int len; /* set to 0 when using pin pad */
size_t min_length; /* min length of PIN */
size_t max_length; /* max length of PIN */
unsigned int encoding; /* ASCII-numeric, BCD, etc */
size_t pad_length; /* filled in by the card driver */
size_t pad_length; /* PIN padding options, used with SC_PIN_CMD_NEED_PADDING */
unsigned char pad_char;
size_t offset; /* PIN offset in the APDU */
size_t offset; /* PIN offset in the APDU when using pin pad */
int max_tries; /* Used for signaling back from SC_PIN_CMD_GET_INFO */
int tries_left; /* Used for signaling back from SC_PIN_CMD_GET_INFO */
int logged_in; /* Used for signaling back from SC_PIN_CMD_GET_INFO */
int max_tries; /* Used for signaling back from SC_PIN_CMD_GET_INFO */
int tries_left; /* Used for signaling back from SC_PIN_CMD_GET_INFO */
int logged_in; /* Used for signaling back from SC_PIN_CMD_GET_INFO */
};
/* A NULL in apdu means that the APDU is prepared by the ISO 7816 layer, which also handles PIN
* padding and setting offset fields for the PINs (for PIN-pad use). A non-NULL in APDU means that
* the card driver has prepared the APDU (including padding) and set the PIN offset fields.
*
* Note that flags apply to both PINs for multi-PIN operations.
*/
struct sc_pin_cmd_data {
unsigned int cmd;
unsigned int flags;