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Adding some big endian uint16_t functions

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Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos 2022-02-03 11:26:05 +01:00
parent 08e6e2d2dd
commit f262391d62
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GPG Key ID: C0095B7870A4CCD3
1 changed files with 28 additions and 4 deletions
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32
gnuk.h
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@ -1,3 +1,6 @@
#ifndef _GNUK_H_
#define _GNUK_H_
#include "config.h"
/*
* Application layer <-> CCID layer data structure
@ -8,8 +11,8 @@ struct apdu {
/* command APDU */
uint8_t *cmd_apdu_head; /* CLS INS P1 P2 [ internal Lc ] */
uint8_t *cmd_apdu_data;
uint16_t cmd_apdu_data_len; /* Nc, calculated by Lc field */
uint16_t expected_res_size; /* Ne, calculated by Le field */
size_t cmd_apdu_data_len; /* Nc, calculated by Lc field */
size_t expected_res_size; /* Ne, calculated by Le field */
/* response APDU */
uint16_t sw;
@ -17,6 +20,12 @@ struct apdu {
uint8_t *res_apdu_data;
};
#define CLS(a) a.cmd_apdu_head[0]
#define INS(a) a.cmd_apdu_head[1]
#define P1(a) a.cmd_apdu_head[2]
#define P2(a) a.cmd_apdu_head[3]
extern struct apdu apdu;
#define CARD_CHANGE_INSERT 0
@ -98,7 +107,7 @@ void ac_reset_admin (void);
void ac_fini (void);
void set_res_sw (uint8_t sw1, uint8_t sw2);
uint16_t set_res_sw (uint8_t sw1, uint8_t sw2);
extern uint8_t file_selection;
extern const uint8_t historical_bytes[];
extern uint16_t data_objects_number_of_bytes;
@ -421,7 +430,8 @@ extern uint8_t admin_authorized;
#define OPENPGP_CARD_INITIAL_PW3 "12345678"
#endif
extern const uint8_t openpgpcard_aid[14];
extern const uint8_t openpgpcard_aid[];
extern const uint8_t sc_hsm_aid[];
void flash_bool_clear (const uint8_t **addr_p);
const uint8_t *flash_bool_write (uint8_t nr);
@ -500,3 +510,17 @@ unique_device_id (void)
return id;
}
static inline const uint16_t make_uint16_t(uint8_t b1, uint8_t b2) {
return (b1 << 8) | b2;
}
static inline const uint16_t get_uint16_t(uint8_t *b, uint16_t offset) {
return make_uint16_t(b[offset], b[offset+1]);
}
static inline const void put_uint16_t(uint16_t n, uint8_t *b) {
*b++ = (n >> 8) & 0xff;
*b = n & 0xff;
}
#endif