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prepare MifareAcquireStaticEncryptedNonces for standalone

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This commit is contained in:
Philippe Teuwen 2024-10-16 01:48:36 +02:00
commit 5470303588
3 changed files with 13 additions and 8 deletions
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2
armsrc/appmain.c
View file

@ -1774,7 +1774,7 @@ static void PacketReceived(PacketCommandNG *packet) {
break; break;
} }
case CMD_HF_MIFARE_ACQ_STATIC_ENCRYPTED_NONCES: { case CMD_HF_MIFARE_ACQ_STATIC_ENCRYPTED_NONCES: {
MifareAcquireStaticEncryptedNonces(packet->oldarg[0], packet->data.asBytes); MifareAcquireStaticEncryptedNonces(packet->oldarg[0], packet->data.asBytes, true);
break; break;
} }
case CMD_HF_MIFARE_ACQ_NONCES: { case CMD_HF_MIFARE_ACQ_NONCES: {

15
armsrc/mifarecmd.c
View file

@ -1036,8 +1036,7 @@ void MifareAcquireEncryptedNonces(uint32_t arg0, uint32_t arg1, uint32_t flags,
// acquire static encrypted nonces in order to perform the attack described in // acquire static encrypted nonces in order to perform the attack described in
// Philippe Teuwen, "MIFARE Classic: exposing the static encrypted nonce variant" // Philippe Teuwen, "MIFARE Classic: exposing the static encrypted nonce variant"
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
void MifareAcquireStaticEncryptedNonces(uint32_t flags, uint8_t *key) { int MifareAcquireStaticEncryptedNonces(uint32_t flags, const uint8_t *key, bool reply) {
struct Crypto1State mpcs = {0, 0}; struct Crypto1State mpcs = {0, 0};
struct Crypto1State *pcs; struct Crypto1State *pcs;
pcs = &mpcs; pcs = &mpcs;
@ -1090,7 +1089,8 @@ void MifareAcquireStaticEncryptedNonces(uint32_t flags, uint8_t *key) {
iso14a_card_select_t card_info; iso14a_card_select_t card_info;
if (iso14443a_select_card(uid, &card_info, &cuid, true, 0, true) == 0) { if (iso14443a_select_card(uid, &card_info, &cuid, true, 0, true) == 0) {
if (g_dbglevel >= DBG_ERROR) Dbprintf("AcquireStaticEncryptedNonces: Can't select card (ALL)"); if (g_dbglevel >= DBG_ERROR) Dbprintf("AcquireStaticEncryptedNonces: Can't select card (ALL)");
continue; isOK = PM3_ERFTRANS;
goto out;
} }
switch (card_info.uidlen) { switch (card_info.uidlen) {
case 4 : case 4 :
@ -1109,7 +1109,8 @@ void MifareAcquireStaticEncryptedNonces(uint32_t flags, uint8_t *key) {
} else { // no need for anticollision. We can directly select the card } else { // no need for anticollision. We can directly select the card
if (iso14443a_fast_select_card(uid, cascade_levels) == 0) { if (iso14443a_fast_select_card(uid, cascade_levels) == 0) {
if (g_dbglevel >= DBG_ERROR) Dbprintf("AcquireStaticEncryptedNonces: Can't select card (UID)"); if (g_dbglevel >= DBG_ERROR) Dbprintf("AcquireStaticEncryptedNonces: Can't select card (UID)");
continue; isOK = PM3_ERFTRANS;
goto out;
} }
} }
@ -1156,7 +1157,8 @@ void MifareAcquireStaticEncryptedNonces(uint32_t flags, uint8_t *key) {
if (iso14443a_fast_select_card(uid, cascade_levels) == 0) { if (iso14443a_fast_select_card(uid, cascade_levels) == 0) {
if (g_dbglevel >= DBG_ERROR) Dbprintf("AcquireStaticEncryptedNonces: Can't select card (UID)"); if (g_dbglevel >= DBG_ERROR) Dbprintf("AcquireStaticEncryptedNonces: Can't select card (UID)");
continue; isOK = PM3_ERFTRANS;
goto out;
} }
if (mifare_classic_authex_cmd(pcs, cuid, blockNo, MIFARE_AUTH_KEYA + keyType + 4, ui64Key, AUTH_FIRST, &nt1, NULL, NULL, NULL, false, false)) { if (mifare_classic_authex_cmd(pcs, cuid, blockNo, MIFARE_AUTH_KEYA + keyType + 4, ui64Key, AUTH_FIRST, &nt1, NULL, NULL, NULL, false, false)) {
if (g_dbglevel >= DBG_ERROR) Dbprintf("AcquireStaticEncryptedNonces: Auth1 error"); if (g_dbglevel >= DBG_ERROR) Dbprintf("AcquireStaticEncryptedNonces: Auth1 error");
@ -1191,12 +1193,15 @@ out:
LED_C_OFF(); LED_C_OFF();
crypto1_deinit(pcs); crypto1_deinit(pcs);
LED_B_ON(); LED_B_ON();
if (reply) {
reply_old(CMD_ACK, isOK, cuid, 0, BigBuf_get_EM_addr() + CARD_MEMORY_RF08S_OFFSET, MIFARE_BLOCK_SIZE * (MIFARE_1K_MAXSECTOR + 1)); reply_old(CMD_ACK, isOK, cuid, 0, BigBuf_get_EM_addr() + CARD_MEMORY_RF08S_OFFSET, MIFARE_BLOCK_SIZE * (MIFARE_1K_MAXSECTOR + 1));
}
LED_B_OFF(); LED_B_OFF();
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
LEDsoff(); LEDsoff();
set_tracing(false); set_tracing(false);
return isOK;
} }

2
armsrc/mifarecmd.h
View file

@ -37,7 +37,7 @@ void MifareNested(uint8_t blockNo, uint8_t keyType, uint8_t targetBlockNo, uint8
void MifareStaticNested(uint8_t blockNo, uint8_t keyType, uint8_t targetBlockNo, uint8_t targetKeyType, uint8_t *key); void MifareStaticNested(uint8_t blockNo, uint8_t keyType, uint8_t targetBlockNo, uint8_t targetKeyType, uint8_t *key);
void MifareAcquireEncryptedNonces(uint32_t arg0, uint32_t arg1, uint32_t flags, uint8_t *datain); void MifareAcquireEncryptedNonces(uint32_t arg0, uint32_t arg1, uint32_t flags, uint8_t *datain);
void MifareAcquireStaticEncryptedNonces(uint32_t flags, uint8_t *key); int MifareAcquireStaticEncryptedNonces(uint32_t flags, const uint8_t *key, bool reply);
void MifareAcquireNonces(uint32_t arg0, uint32_t flags); void MifareAcquireNonces(uint32_t arg0, uint32_t flags);
void MifareChkKeys(uint8_t *datain, uint8_t reserved_mem); void MifareChkKeys(uint8_t *datain, uint8_t reserved_mem);
void MifareChkKeys_fast(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain); void MifareChkKeys_fast(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain);