Overview
| Comment: | Reset the card and rescan for certificates if we get the ISO 7816 error 6D 00 (Wrong instruction) error from the card when trying to verify. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | piv-reset-on-wronginstruction |
| Files: | files | file ages | folders |
| SHA1: |
52569c3e74727533fa081ffc00a7cc82 |
| User & Date: | rkeene on 2015-07-16 16:06:35 |
| Other Links: | branch diff | manifest | tags |
Context
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2015-07-16
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| 16:18 | Updated to retry login if it fails with a 6D 00 (wrong instruction) check-in: 4e30511f94 user: rkeene tags: trunk | |
| 16:06 | Reset the card and rescan for certificates if we get the ISO 7816 error 6D 00 (Wrong instruction) error from the card when trying to verify. Closed-Leaf check-in: 52569c3e74 user: rkeene tags: piv-reset-on-wronginstruction | |
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2015-07-15
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| 20:05 | Added support for updating the PIN check-in: b5ecb7c2d6 user: rkeene tags: trunk | |
Changes
Modified cackey.c from [3a0d4abad4] to [06b013b460].
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*
* RETURN VALUE
* ...
*
* NOTES
* ...
*
*/
static cackey_ret cackey_token_present(struct cackey_slot *slot) {
cackey_ret pcsc_connect_ret;
DWORD reader_len = 0, state = 0, protocol = 0, atr_len;
BYTE atr[MAX_ATR_SIZE];
LONG status_ret, scard_reconn_ret;
CACKEY_DEBUG_PRINTF("Called.");
if (slot->internal) {
CACKEY_DEBUG_PRINTF("Returning token present (internal token)");
return(CACKEY_PCSC_S_TOKENPRESENT);
}
pcsc_connect_ret = cackey_connect_card(slot);
if (pcsc_connect_ret != CACKEY_PCSC_S_OK) {
CACKEY_DEBUG_PRINTF("Unable to connect to card, returning token absent");
return(CACKEY_PCSC_E_TOKENABSENT);
}
CACKEY_DEBUG_PRINTF("Calling SCardStatus() to determine card status");
atr_len = sizeof(atr);
status_ret = SCardStatus(slot->pcsc_card, NULL, &reader_len, &state, &protocol, atr, &atr_len);
if (status_ret == SCARD_E_INVALID_HANDLE) {
CACKEY_DEBUG_PRINTF("SCardStatus() returned SCARD_E_INVALID_HANDLE, marking is not already connected and trying again");
cackey_mark_slot_reset(slot);
pcsc_connect_ret = cackey_connect_card(slot);
if (pcsc_connect_ret != CACKEY_PCSC_S_OK) {
CACKEY_DEBUG_PRINTF("Unable to connect to card, returning token absent");
return(CACKEY_PCSC_E_TOKENABSENT);
}
CACKEY_DEBUG_PRINTF("Calling SCardStatus() again");
atr_len = sizeof(atr);
status_ret = SCardStatus(slot->pcsc_card, NULL, &reader_len, &state, &protocol, atr, &atr_len);
}
if (status_ret != SCARD_S_SUCCESS) {
cackey_mark_slot_reset(slot);
if (status_ret == SCARD_W_RESET_CARD) {
CACKEY_DEBUG_PRINTF("Reset required, please hold...");
scard_reconn_ret = cackey_reconnect_card(slot, SCARD_PROTOCOL_T0 | SCARD_PROTOCOL_T1);
if (scard_reconn_ret == SCARD_S_SUCCESS) {
/* Re-establish transaction, if it was present */
if (slot->transaction_depth > 0) {
slot->transaction_depth--;
slot->transaction_need_hw_lock = 1;
cackey_begin_transaction(slot);
}
CACKEY_DEBUG_PRINTF("Reset successful, requerying");
status_ret = SCardStatus(slot->pcsc_card, NULL, &reader_len, &state, &protocol, atr, &atr_len);
if (status_ret != SCARD_S_SUCCESS) {
CACKEY_DEBUG_PRINTF("Still unable to query card status, returning token absent. SCardStatus() = %s", CACKEY_DEBUG_FUNC_SCARDERR_TO_STR(status_ret));
return(CACKEY_PCSC_E_TOKENABSENT);
}
} else {
CACKEY_DEBUG_PRINTF("Unable to reconnect to card, returning token absent. SCardReconnect() = %s", CACKEY_DEBUG_FUNC_SCARDERR_TO_STR(scard_reconn_ret));
return(CACKEY_PCSC_E_TOKENABSENT);
}
} else {
CACKEY_DEBUG_PRINTF("Unable to query card status, returning token absent. SCardStatus() = %s", CACKEY_DEBUG_FUNC_SCARDERR_TO_STR(status_ret));
return(CACKEY_PCSC_E_TOKENABSENT);
}
}
if ((state & SCARD_ABSENT) == SCARD_ABSENT) {
CACKEY_DEBUG_PRINTF("Card is absent, returning token absent");
return(CACKEY_PCSC_E_TOKENABSENT);
}
CACKEY_DEBUG_PRINTF("Returning token present.");
return(CACKEY_PCSC_S_TOKENPRESENT);
}
/*
* SYNPOSIS
* ...
*
* ARGUMENTS
* ...
*
* RETURN VALUE
* ...
*
* NOTES
* ...
*
*/
static cackey_ret cackey_set_pin(struct cackey_slot *slot, unsigned char *old_pin, unsigned long old_pin_len, unsigned char *pin, unsigned long pin_len) {
struct cackey_pcsc_identity *pcsc_identities;
unsigned char cac_pin[8] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
unsigned char old_cac_pin[8] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
unsigned char pin_update[sizeof(cac_pin) + sizeof(old_cac_pin)];
unsigned long num_certs;
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/* PIV authentication uses a "key_reference" of 0x80 */
pcsc_identities = cackey_read_certs(slot, NULL, &num_certs);
if (num_certs > 0 && pcsc_identities != NULL) {
switch (pcsc_identities[0].id_type) {
case CACKEY_ID_TYPE_PIV:
CACKEY_DEBUG_PRINTF("We have PIV card, so we will attempt to authenticate using the PIV Application key reference");
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}
if (response_code == 0x6983) {
CACKEY_DEBUG_PRINTF("PIN Verification failed, device is locked");
return(CACKEY_PCSC_E_LOCKED);
}
if (response_code == 0x6d00) {
if (have_piv == 1 && retries > 0) {
CACKEY_DEBUG_PRINTF("Got ISO 7816 Response \"6D 00\" in response to a VERIFY request.");
CACKEY_DEBUG_PRINTF("We did not expect this because it is not mentioned in NIST SP 800-73-3 Part 2 Section 3.2.1");
CACKEY_DEBUG_PRINTF("We are going to try to reset the card and select the applet again.");
cackey_mark_slot_reset(slot);
connect_ret = cackey_connect_card(slot);
if (connect_ret != CACKEY_PCSC_S_OK) {
CACKEY_DEBUG_PRINTF("Unable to reconnect after resetting the card, returning in error.");
return(connect_ret);
}
CACKEY_DEBUG_PRINTF("Verifying we still have a token.");
token_ret = cackey_token_present(slot);
if (token_ret != CACKEY_PCSC_S_TOKENPRESENT) {
CACKEY_DEBUG_PRINTF("Token not present, returning in error.");
return(token_ret);
}
CACKEY_DEBUG_PRINTF("Trying to login again");
return(cackey_login(slot, pin, pin_len, tries_remaining_p, retries - 1));
}
}
return(CACKEY_PCSC_E_GENERIC);
}
CACKEY_DEBUG_PRINTF("PIN Verification succeeded");
return(CACKEY_PCSC_S_OK);
}
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5661 5662 5663 5664 5665 5666 5667 | 5695 5696 5697 5698 5699 5700 5701 5702 5703 5704 5705 5706 5707 5708 5709 | - + | return(CKR_PIN_INCORRECT); } pPin = (CK_UTF8CHAR_PTR) pinbuf; ulPinLen = strlen(pinbuf); } |
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