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Adding PIN reset counter.

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Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2022-02-13 18:27:49 +01:00
parent 7e5352940b
commit 86cef892ff
5 changed files with 87 additions and 13 deletions
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23
file.c
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@@ -2,6 +2,7 @@
#include "gnuk.h"
#include "tusb.h"
#include "hsm2040.h"
#include "sc_hsm.h"
#include <string.h>
extern const uintptr_t end_data_pool;
@@ -185,6 +186,26 @@ bool authenticate_action(const file_t *ef, uint8_t op) {
#include "libopensc/pkcs15.h"
int reset_pin_retries(const file_t *pin) {
if (!pin)
return HSM_ERR_NULL_PARAM;
const file_t *max = search_by_fid(pin->fid+1, NULL, SPECIFY_EF);
const file_t *act = search_by_fid(pin->fid+2, NULL, SPECIFY_EF);
if (!max || !act)
return HSM_ERR_FILE_NOT_FOUND;
return flash_write_data_to_file((file_t *)act, &max->data[2], sizeof(uint8_t));
}
int pin_wrong_retry(const file_t *pin) {
if (!pin)
return HSM_ERR_NULL_PARAM;
const file_t *act = search_by_fid(pin->fid+2, NULL, SPECIFY_EF);
if (!act)
return HSM_ERR_FILE_NOT_FOUND;
if (act->data[2] > 0)
return flash_write_data_to_file((file_t *)act, &act->data[2]-1, sizeof(uint8_t));
return HSM_ERR_BLOCKED;
}
void scan_flash() {
if (*(uintptr_t *)end_data_pool == 0xffffffff && *(uintptr_t *)(end_data_pool+sizeof(uintptr_t)) == 0xffffffff)
@@ -326,4 +347,4 @@ void scan_flash() {
TU_LOG1("FATAL ERROR: Retries SOPIN not found in memory!\r\n");
}
low_flash_available();
}
}