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If has_session_pin is true, it returns sw_ok

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Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2022-03-31 19:31:22 +02:00
parent 4400eba974
commit d5378ffa41
1 changed files with 10 additions and 2 deletions
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12
src/hsm/sc_hsm.c
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@@ -409,11 +409,12 @@ int pin_wrong_retry(const file_t *pin) {
int check_pin(const file_t *pin, const uint8_t *data, size_t len) {
if (!pin)
return SW_FILE_NOT_FOUND();
return SW_REFERENCE_NOT_FOUND();
if (!pin->data) {
return SW_REFERENCE_NOT_FOUND();
}
isUserAuthenticated = false;
has_session_pin = has_session_sopin = false;
uint8_t dhash[32];
double_hash_pin(data, len, dhash);
if (sizeof(dhash) != file_read_uint16(pin->data)-1) //1 byte for pin len
@@ -431,7 +432,10 @@ int check_pin(const file_t *pin, const uint8_t *data, size_t len) {
return SW_MEMORY_FAILURE();
isUserAuthenticated = true;
hash_multi(data, len, session_pin);
has_session_pin = true;
if (pin == file_pin1)
has_session_pin = true;
else if (pin == file_sopin)
has_session_sopin = true;
return SW_OK();
}
@@ -453,6 +457,8 @@ static int cmd_verify() {
}
if (file_read_uint8(file_retries_pin1->data+2) == 0)
return SW_PIN_BLOCKED();
if (has_session_pin)
return SW_OK();
return set_res_sw(0x63, 0xc0 | file_read_uint8(file_retries_pin1->data+2));
}
else if (p2 == 0x88) { //SOPin
@@ -463,6 +469,8 @@ static int cmd_verify() {
}
if (file_read_uint8(file_retries_sopin->data+2) == 0)
return SW_PIN_BLOCKED();
if (has_session_sopin)
return SW_OK();
return set_res_sw(0x63, 0xc0 | file_read_uint8(file_retries_sopin->data+2));
}
return SW_REFERENCE_NOT_FOUND();