//-----------------------------------------------------------------------------\r
\r
#include "mifarecmd.h"\r
+\r
#include "apps.h"\r
#include "util.h"\r
+#include "parity.h"\r
#include "crc.h"\r
\r
// the block number for the ISO14443-4 PCB\r
-uint8_t pcb_blocknum = 0;\r
+static uint8_t pcb_blocknum = 0;\r
// Deselect card by sending a s-block. the crc is precalced for speed\r
static uint8_t deselect_cmd[] = {0xc2,0xe0,0xb4};\r
\r
//-----------------------------------------------------------------------------\r
-// Select, Authenticate, Read a MIFARE tag. \r
+// Select, Authenticate, Read a MIFARE tag.\r
// read block\r
//-----------------------------------------------------------------------------\r
void MifareReadBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)\r
uint8_t keyType = arg1;\r
uint64_t ui64Key = 0;\r
ui64Key = bytes_to_num(datain, 6);\r
- \r
+\r
// variables\r
byte_t isOK = 0;\r
byte_t dataoutbuf[16];\r
struct Crypto1State *pcs;\r
pcs = &mpcs;\r
\r
- // clear trace\r
- clear_trace();\r
iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
\r
+ clear_trace();\r
+\r
LED_A_ON();\r
LED_B_OFF();\r
LED_C_OFF();\r
\r
while (true) {\r
- if(!iso14443a_select_card(uid, NULL, &cuid)) {\r
+ if(!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) {\r
if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
break;\r
};\r
if (MF_DBGLEVEL >= 1) Dbprintf("Auth error");\r
break;\r
};\r
- \r
+\r
if(mifare_classic_readblock(pcs, cuid, blockNo, dataoutbuf)) {\r
if (MF_DBGLEVEL >= 1) Dbprintf("Read block error");\r
break;\r
if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
break;\r
};\r
- \r
+\r
isOK = 1;\r
break;\r
}\r
- \r
+\r
// ----------------------------- crypto1 destroy\r
crypto1_destroy(pcs);\r
- \r
+\r
if (MF_DBGLEVEL >= 2) DbpString("READ BLOCK FINISHED");\r
\r
LED_B_ON();\r
bool turnOffField = (arg0 == 1);\r
\r
LED_A_ON(); LED_B_OFF(); LED_C_OFF();\r
- clear_trace();\r
+\r
iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
\r
- if(!iso14443a_select_card(NULL, NULL, NULL)) {\r
+ clear_trace();\r
+\r
+ if(!iso14443a_select_card(NULL, NULL, NULL, true, 0, true)) {\r
if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card");\r
OnError(0);\r
return;\r
};\r
- \r
+\r
if(!mifare_ultra_auth(keybytes)){\r
if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication failed");\r
OnError(1);\r
\r
LEDsoff();\r
LED_A_ON();\r
- clear_trace();\r
iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
\r
- int len = iso14443a_select_card(NULL, NULL, NULL);\r
+ clear_trace();\r
+\r
+ int len = iso14443a_select_card(NULL, NULL, NULL, true, 0, true);\r
if(!len) {\r
if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card (RC:%02X)",len);\r
OnError(1);\r
OnError(1);\r
return;\r
}\r
- } \r
+ }\r
\r
if( mifare_ultra_readblock(blockNo, dataout) ) {\r
if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Read block error");\r
}\r
\r
//-----------------------------------------------------------------------------\r
-// Select, Authenticate, Read a MIFARE tag. \r
+// Select, Authenticate, Read a MIFARE tag.\r
// read sector (data = 4 x 16 bytes = 64 bytes, or 16 x 16 bytes = 256 bytes)\r
//-----------------------------------------------------------------------------\r
void MifareReadSector(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)\r
uint8_t keyType = arg1;\r
uint64_t ui64Key = 0;\r
ui64Key = bytes_to_num(datain, 6);\r
- \r
+\r
// variables\r
byte_t isOK = 0;\r
byte_t dataoutbuf[16 * 16];\r
struct Crypto1State *pcs;\r
pcs = &mpcs;\r
\r
- // clear trace\r
- clear_trace();\r
-\r
iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
\r
+ clear_trace();\r
+\r
LED_A_ON();\r
LED_B_OFF();\r
LED_C_OFF();\r
\r
isOK = 1;\r
- if(!iso14443a_select_card(uid, NULL, &cuid)) {\r
+ if(!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) {\r
isOK = 0;\r
if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
}\r
\r
- \r
+\r
if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_FIRST)) {\r
isOK = 0;\r
if (MF_DBGLEVEL >= 1) Dbprintf("Auth error");\r
}\r
- \r
+\r
for (uint8_t blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) {\r
if(mifare_classic_readblock(pcs, cuid, FirstBlockOfSector(sectorNo) + blockNo, dataoutbuf + 16 * blockNo)) {\r
isOK = 0;\r
break;\r
}\r
}\r
- \r
+\r
if(mifare_classic_halt(pcs, cuid)) {\r
if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
}\r
\r
// ----------------------------- crypto1 destroy\r
crypto1_destroy(pcs);\r
- \r
+\r
if (MF_DBGLEVEL >= 2) DbpString("READ SECTOR FINISHED");\r
\r
LED_B_ON();\r
// datain = KEY bytes\r
void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain)\r
{\r
+ LEDsoff();\r
+ LED_A_ON();\r
+ iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
+\r
// free eventually allocated BigBuf memory\r
BigBuf_free();\r
- // clear trace\r
clear_trace();\r
\r
// params\r
return;\r
}\r
\r
- LEDsoff();\r
- LED_A_ON();\r
- iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
-\r
- int len = iso14443a_select_card(NULL, NULL, NULL);\r
+ int len = iso14443a_select_card(NULL, NULL, NULL, true, 0, true);\r
if (!len) {\r
if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card (RC:%d)",len);\r
OnError(1);\r
\r
if (!mifare_ul_ev1_auth(pwd, pack)){\r
OnError(1);\r
- return; \r
+ return;\r
}\r
}\r
\r
for (int i = 0; i < blocks; i++){\r
- if ((i*4) + 4 > CARD_MEMORY_SIZE) {\r
+ if ((i*4) + 4 >= CARD_MEMORY_SIZE) {\r
Dbprintf("Data exceeds buffer!!");\r
break;\r
}\r
- \r
+\r
len = mifare_ultra_readblock(blockNo + i, dataout + 4 * i);\r
\r
if (len) {\r
if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("Blocks read %d", countblocks);\r
\r
countblocks *= 4;\r
-/*\r
- LED_B_ON();\r
- for(size_t i=0; i < countblocks; i += USB_CMD_DATA_SIZE) {\r
- size_t len = MIN((countblocks - i),USB_CMD_DATA_SIZE);\r
- cmd_send(CMD_DOWNLOADED_RAW_ADC_SAMPLES_125K,i,len,countblocks,dataout+i,len);\r
- }\r
-*/\r
+\r
cmd_send(CMD_ACK, 1, countblocks, BigBuf_max_traceLen(), 0, 0);\r
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
LEDsoff();\r
+ BigBuf_free();\r
}\r
\r
//-----------------------------------------------------------------------------\r
-// Select, Authenticate, Write a MIFARE tag. \r
+// Select, Authenticate, Write a MIFARE tag.\r
// read block\r
//-----------------------------------------------------------------------------\r
void MifareWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)\r
\r
ui64Key = bytes_to_num(datain, 6);\r
memcpy(blockdata, datain + 10, 16);\r
- \r
+\r
// variables\r
byte_t isOK = 0;\r
uint8_t uid[10];\r
struct Crypto1State *pcs;\r
pcs = &mpcs;\r
\r
- // clear trace\r
- clear_trace();\r
-\r
iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
\r
+ clear_trace();\r
+\r
LED_A_ON();\r
LED_B_OFF();\r
LED_C_OFF();\r
\r
while (true) {\r
- if(!iso14443a_select_card(uid, NULL, &cuid)) {\r
+ if(!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) {\r
if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
break;\r
};\r
if (MF_DBGLEVEL >= 1) Dbprintf("Auth error");\r
break;\r
};\r
- \r
+\r
if(mifare_classic_writeblock(pcs, cuid, blockNo, blockdata)) {\r
if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
break;\r
if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
break;\r
};\r
- \r
+\r
isOK = 1;\r
break;\r
}\r
- \r
+\r
// ----------------------------- crypto1 destroy\r
crypto1_destroy(pcs);\r
- \r
+\r
if (MF_DBGLEVEL >= 2) DbpString("WRITE BLOCK FINISHED");\r
\r
LED_B_ON();\r
LEDsoff();\r
}\r
\r
-void MifareUWriteBlock(uint8_t arg0, uint8_t *datain)\r
+/* // Command not needed but left for future testing\r
+void MifareUWriteBlockCompat(uint8_t arg0, uint8_t *datain)\r
{\r
uint8_t blockNo = arg0;\r
byte_t blockdata[16] = {0x00};\r
clear_trace();\r
iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
\r
- if(!iso14443a_select_card(uid, NULL, NULL)) {\r
+ if(!iso14443a_select_card(uid, NULL, NULL, true, 0)) {\r
if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
OnError(0);\r
return;\r
};\r
\r
- if(mifare_ultra_writeblock(blockNo, blockdata)) {\r
+ if(mifare_ultra_writeblock_compat(blockNo, blockdata)) {\r
if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
OnError(0);\r
return; };\r
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
LEDsoff();\r
}\r
+*/\r
\r
// Arg0 : Block to write to.\r
// Arg1 : 0 = use no authentication.\r
// 2 = use 0x1B authentication.\r
// datain : 4 first bytes is data to be written.\r
// : 4/16 next bytes is authentication key.\r
-void MifareUWriteBlock_Special(uint8_t arg0, uint8_t arg1, uint8_t *datain)\r
+void MifareUWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain)\r
{\r
uint8_t blockNo = arg0;\r
bool useKey = (arg1 == 1); //UL_C\r
byte_t blockdata[4] = {0x00};\r
\r
memcpy(blockdata, datain,4);\r
- \r
+\r
LEDsoff();\r
LED_A_ON();\r
- clear_trace();\r
iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
\r
- if(!iso14443a_select_card(NULL, NULL, NULL)) {\r
+ clear_trace();\r
+\r
+ if(!iso14443a_select_card(NULL, NULL, NULL, true, 0, true)) {\r
if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
OnError(0);\r
return;\r
return;\r
}\r
}\r
- \r
+\r
// UL-EV1 / NTAG authentication\r
if (usePwd) {\r
uint8_t pwd[4] = {0x00};\r
}\r
}\r
\r
- if(mifare_ultra_special_writeblock(blockNo, blockdata)) {\r
+ if(mifare_ultra_writeblock(blockNo, blockdata)) {\r
if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
OnError(0);\r
return;\r
}\r
\r
void MifareUSetPwd(uint8_t arg0, uint8_t *datain){\r
- \r
+\r
uint8_t pwd[16] = {0x00};\r
byte_t blockdata[4] = {0x00};\r
- \r
+\r
memcpy(pwd, datain, 16);\r
- \r
+\r
LED_A_ON(); LED_B_OFF(); LED_C_OFF();\r
- clear_trace();\r
iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
\r
- if(!iso14443a_select_card(NULL, NULL, NULL)) {\r
+ clear_trace();\r
+\r
+ if(!iso14443a_select_card(NULL, NULL, NULL, true, 0, true)) {\r
if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
OnError(0);\r
return;\r
blockdata[1] = pwd[6];\r
blockdata[2] = pwd[5];\r
blockdata[3] = pwd[4];\r
- if(mifare_ultra_special_writeblock( 44, blockdata)) {\r
+ if(mifare_ultra_writeblock( 44, blockdata)) {\r
if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
OnError(44);\r
return;\r
blockdata[1] = pwd[2];\r
blockdata[2] = pwd[1];\r
blockdata[3] = pwd[0];\r
- if(mifare_ultra_special_writeblock( 45, blockdata)) {\r
+ if(mifare_ultra_writeblock( 45, blockdata)) {\r
if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
OnError(45);\r
return;\r
blockdata[1] = pwd[14];\r
blockdata[2] = pwd[13];\r
blockdata[3] = pwd[12];\r
- if(mifare_ultra_special_writeblock( 46, blockdata)) {\r
+ if(mifare_ultra_writeblock( 46, blockdata)) {\r
if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
OnError(46);\r
return;\r
blockdata[1] = pwd[10];\r
blockdata[2] = pwd[9];\r
blockdata[3] = pwd[8];\r
- if(mifare_ultra_special_writeblock( 47, blockdata)) {\r
+ if(mifare_ultra_writeblock( 47, blockdata)) {\r
if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
OnError(47);\r
return;\r
- }; \r
+ };\r
\r
if(mifare_ultra_halt()) {\r
if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
\r
// Return 1 if the nonce is invalid else return 0\r
int valid_nonce(uint32_t Nt, uint32_t NtEnc, uint32_t Ks1, uint8_t *parity) {\r
- return ((oddparity((Nt >> 24) & 0xFF) == ((parity[0]) ^ oddparity((NtEnc >> 24) & 0xFF) ^ BIT(Ks1,16))) & \\r
- (oddparity((Nt >> 16) & 0xFF) == ((parity[1]) ^ oddparity((NtEnc >> 16) & 0xFF) ^ BIT(Ks1,8))) & \\r
- (oddparity((Nt >> 8) & 0xFF) == ((parity[2]) ^ oddparity((NtEnc >> 8) & 0xFF) ^ BIT(Ks1,0)))) ? 1 : 0;\r
+ return ((oddparity8((Nt >> 24) & 0xFF) == ((parity[0]) ^ oddparity8((NtEnc >> 24) & 0xFF) ^ BIT(Ks1,16))) & \\r
+ (oddparity8((Nt >> 16) & 0xFF) == ((parity[1]) ^ oddparity8((NtEnc >> 16) & 0xFF) ^ BIT(Ks1,8))) & \\r
+ (oddparity8((Nt >> 8) & 0xFF) == ((parity[2]) ^ oddparity8((NtEnc >> 8) & 0xFF) ^ BIT(Ks1,0)))) ? 1 : 0;\r
+}\r
+\r
+\r
+//-----------------------------------------------------------------------------\r
+// acquire encrypted nonces in order to perform the attack described in\r
+// Carlo Meijer, Roel Verdult, "Ciphertext-only Cryptanalysis on Hardened\r
+// Mifare Classic Cards" in Proceedings of the 22nd ACM SIGSAC Conference on\r
+// Computer and Communications Security, 2015\r
+//-----------------------------------------------------------------------------\r
+void MifareAcquireEncryptedNonces(uint32_t arg0, uint32_t arg1, uint32_t flags, uint8_t *datain)\r
+{\r
+ uint64_t ui64Key = 0;\r
+ uint8_t uid[10];\r
+ uint32_t cuid;\r
+ uint8_t cascade_levels = 0;\r
+ struct Crypto1State mpcs = {0, 0};\r
+ struct Crypto1State *pcs;\r
+ pcs = &mpcs;\r
+ uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
+ int16_t isOK = 0;\r
+ uint8_t par_enc[1];\r
+ uint8_t nt_par_enc = 0;\r
+ uint8_t buf[USB_CMD_DATA_SIZE];\r
+ uint32_t timeout;\r
+\r
+ uint8_t blockNo = arg0 & 0xff;\r
+ uint8_t keyType = (arg0 >> 8) & 0xff;\r
+ uint8_t targetBlockNo = arg1 & 0xff;\r
+ uint8_t targetKeyType = (arg1 >> 8) & 0xff;\r
+ ui64Key = bytes_to_num(datain, 6);\r
+ bool initialize = flags & 0x0001;\r
+ bool slow = flags & 0x0002;\r
+ bool field_off = flags & 0x0004;\r
+\r
+ LED_A_ON();\r
+ LED_C_OFF();\r
+\r
+ if (initialize) {\r
+ iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
+ clear_trace();\r
+ set_tracing(true);\r
+ }\r
+\r
+ LED_C_ON();\r
+\r
+ uint16_t num_nonces = 0;\r
+ bool have_uid = false;\r
+ for (uint16_t i = 0; i <= USB_CMD_DATA_SIZE - 9; ) {\r
+\r
+ // Test if the action was cancelled\r
+ if(BUTTON_PRESS()) {\r
+ isOK = 2;\r
+ field_off = true;\r
+ break;\r
+ }\r
+\r
+ if (!have_uid) { // need a full select cycle to get the uid first\r
+ iso14a_card_select_t card_info;\r
+ if(!iso14443a_select_card(uid, &card_info, &cuid, true, 0, true)) {\r
+ if (MF_DBGLEVEL >= 1) Dbprintf("AcquireNonces: Can't select card (ALL)");\r
+ continue;\r
+ }\r
+ switch (card_info.uidlen) {\r
+ case 4 : cascade_levels = 1; break;\r
+ case 7 : cascade_levels = 2; break;\r
+ case 10: cascade_levels = 3; break;\r
+ default: break;\r
+ }\r
+ have_uid = true;\r
+ } else { // no need for anticollision. We can directly select the card\r
+ if(!iso14443a_select_card(uid, NULL, NULL, false, cascade_levels, true)) {\r
+ if (MF_DBGLEVEL >= 1) Dbprintf("AcquireNonces: Can't select card (UID)");\r
+ continue;\r
+ }\r
+ }\r
+\r
+ if (slow) {\r
+ timeout = GetCountSspClk() + PRE_AUTHENTICATION_LEADTIME;\r
+ while(GetCountSspClk() < timeout);\r
+ }\r
+\r
+ uint32_t nt1;\r
+ if (mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1, NULL)) {\r
+ if (MF_DBGLEVEL >= 1) Dbprintf("AcquireNonces: Auth1 error");\r
+ continue;\r
+ }\r
+\r
+ // nested authentication\r
+ uint16_t len = mifare_sendcmd_short(pcs, AUTH_NESTED, 0x60 + (targetKeyType & 0x01), targetBlockNo, receivedAnswer, par_enc, NULL);\r
+ if (len != 4) {\r
+ if (MF_DBGLEVEL >= 1) Dbprintf("AcquireNonces: Auth2 error len=%d", len);\r
+ continue;\r
+ }\r
+\r
+ // send a dummy byte as reader response in order to trigger the cards authentication timeout\r
+ uint8_t dummy_answer = 0;\r
+ ReaderTransmit(&dummy_answer, 1, NULL);\r
+ timeout = GetCountSspClk() + AUTHENTICATION_TIMEOUT;\r
+\r
+ num_nonces++;\r
+ if (num_nonces % 2) {\r
+ memcpy(buf+i, receivedAnswer, 4);\r
+ nt_par_enc = par_enc[0] & 0xf0;\r
+ } else {\r
+ nt_par_enc |= par_enc[0] >> 4;\r
+ memcpy(buf+i+4, receivedAnswer, 4);\r
+ memcpy(buf+i+8, &nt_par_enc, 1);\r
+ i += 9;\r
+ }\r
+\r
+ // wait for the card to become ready again\r
+ while(GetCountSspClk() < timeout);\r
+\r
+ }\r
+\r
+ LED_C_OFF();\r
+\r
+ crypto1_destroy(pcs);\r
+\r
+ LED_B_ON();\r
+ cmd_send(CMD_ACK, isOK, cuid, num_nonces, buf, sizeof(buf));\r
+ LED_B_OFF();\r
+\r
+ if (MF_DBGLEVEL >= 3) DbpString("AcquireEncryptedNonces finished");\r
+\r
+ if (field_off) {\r
+ FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
+ LEDsoff();\r
+ }\r
}\r
\r
\r
//-----------------------------------------------------------------------------\r
-// MIFARE nested authentication. \r
-// \r
+// MIFARE nested authentication.\r
+//\r
//-----------------------------------------------------------------------------\r
void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *datain)\r
{\r
uint64_t ui64Key = 0;\r
\r
ui64Key = bytes_to_num(datain, 6);\r
- \r
+\r
// variables\r
uint16_t rtr, i, j, len;\r
uint16_t davg;\r
uint32_t cuid, nt1, nt2, nttmp, nttest, ks1;\r
uint8_t par[1];\r
uint32_t target_nt[2], target_ks[2];\r
- \r
+\r
uint8_t par_array[4];\r
uint16_t ncount = 0;\r
struct Crypto1State mpcs = {0, 0};\r
uint32_t auth1_time, auth2_time;\r
static uint16_t delta_time;\r
\r
- // free eventually allocated BigBuf memory\r
- BigBuf_free();\r
- // clear trace\r
- clear_trace();\r
- set_tracing(false);\r
- \r
- iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
-\r
LED_A_ON();\r
LED_C_OFF();\r
+ iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
+\r
+ // free eventually allocated BigBuf memory\r
+ BigBuf_free();\r
\r
+ if (calibrate) clear_trace();\r
+ set_tracing(true);\r
\r
// statistics on nonce distance\r
+ int16_t isOK = 0;\r
+ #define NESTED_MAX_TRIES 12\r
+ uint16_t unsuccessfull_tries = 0;\r
if (calibrate) { // for first call only. Otherwise reuse previous calibration\r
LED_B_ON();\r
WDT_HIT();\r
davg = dmax = 0;\r
dmin = 2000;\r
delta_time = 0;\r
- \r
+\r
for (rtr = 0; rtr < 17; rtr++) {\r
\r
+ // Test if the action was cancelled\r
+ if(BUTTON_PRESS()) {\r
+ isOK = -2;\r
+ break;\r
+ }\r
+\r
// prepare next select. No need to power down the card.\r
if(mifare_classic_halt(pcs, cuid)) {\r
if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Halt error");\r
continue;\r
}\r
\r
- if(!iso14443a_select_card(uid, NULL, &cuid)) {\r
+ if(!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) {\r
if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Can't select card");\r
rtr--;\r
continue;\r
delta_time = auth2_time - auth1_time + 32; // allow some slack for proper timing\r
}\r
if (MF_DBGLEVEL >= 3) Dbprintf("Nested: calibrating... ntdist=%d", i);\r
+ } else {\r
+ unsuccessfull_tries++;\r
+ if (unsuccessfull_tries > NESTED_MAX_TRIES) { // card isn't vulnerable to nested attack (random numbers are not predictable)\r
+ isOK = -3;\r
+ }\r
}\r
}\r
- \r
- if (rtr <= 1) return;\r
\r
davg = (davg + (rtr - 1)/2) / (rtr - 1);\r
- \r
- if (MF_DBGLEVEL >= 3) Dbprintf("min=%d max=%d avg=%d, delta_time=%d", dmin, dmax, davg, delta_time);\r
+\r
+ if (MF_DBGLEVEL >= 3) Dbprintf("rtr=%d isOK=%d min=%d max=%d avg=%d, delta_time=%d", rtr, isOK, dmin, dmax, davg, delta_time);\r
\r
dmin = davg - 2;\r
dmax = davg + 2;\r
- \r
+\r
LED_B_OFF();\r
- \r
+\r
}\r
-// ------------------------------------------------------------------------------------------------- \r
- \r
+ // -------------------------------------------------------------------------------------------------\r
+\r
LED_C_ON();\r
\r
// get crypted nonces for target sector\r
- for(i=0; i < 2; i++) { // look for exactly two different nonces\r
+ for(i=0; i < 2 && !isOK; i++) { // look for exactly two different nonces\r
\r
target_nt[i] = 0;\r
while(target_nt[i] == 0) { // continue until we have an unambiguous nonce\r
- \r
+\r
// prepare next select. No need to power down the card.\r
if(mifare_classic_halt(pcs, cuid)) {\r
if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Halt error");\r
continue;\r
}\r
\r
- if(!iso14443a_select_card(uid, NULL, &cuid)) {\r
+ if(!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) {\r
if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Can't select card");\r
continue;\r
};\r
- \r
+\r
auth1_time = 0;\r
if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1, &auth1_time)) {\r
if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth1 error");\r
\r
// nested authentication\r
auth2_time = auth1_time + delta_time;\r
- len = mifare_sendcmd_shortex(pcs, AUTH_NESTED, 0x60 + (targetKeyType & 0x01), targetBlockNo, receivedAnswer, par, &auth2_time);\r
+ len = mifare_sendcmd_short(pcs, AUTH_NESTED, 0x60 + (targetKeyType & 0x01), targetBlockNo, receivedAnswer, par, &auth2_time);\r
if (len != 4) {\r
if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth2 error len=%d", len);\r
continue;\r
};\r
- \r
- nt2 = bytes_to_num(receivedAnswer, 4); \r
+\r
+ nt2 = bytes_to_num(receivedAnswer, 4);\r
if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: Testing nt1=%08x nt2enc=%08x nt2par=%02x", i+1, nt1, nt2, par[0]);\r
- \r
+\r
// Parity validity check\r
for (j = 0; j < 4; j++) {\r
- par_array[j] = (oddparity(receivedAnswer[j]) != ((par[0] >> (7-j)) & 0x01));\r
+ par_array[j] = (oddparity8(receivedAnswer[j]) != ((par[0] >> (7-j)) & 0x01));\r
}\r
- \r
+\r
ncount = 0;\r
nttest = prng_successor(nt1, dmin - 1);\r
for (j = dmin; j < dmax + 1; j++) {\r
}\r
\r
LED_C_OFF();\r
- \r
+\r
// ----------------------------- crypto1 destroy\r
crypto1_destroy(pcs);\r
- \r
+\r
byte_t buf[4 + 4 * 4];\r
memcpy(buf, &cuid, 4);\r
memcpy(buf+4, &target_nt[0], 4);\r
memcpy(buf+8, &target_ks[0], 4);\r
memcpy(buf+12, &target_nt[1], 4);\r
memcpy(buf+16, &target_ks[1], 4);\r
- \r
+\r
LED_B_ON();\r
- cmd_send(CMD_ACK, 0, 2, targetBlockNo + (targetKeyType * 0x100), buf, sizeof(buf));\r
+ cmd_send(CMD_ACK, isOK, 0, targetBlockNo + (targetKeyType * 0x100), buf, sizeof(buf));\r
LED_B_OFF();\r
\r
if (MF_DBGLEVEL >= 3) DbpString("NESTED FINISHED");\r
\r
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
LEDsoff();\r
- set_tracing(TRUE);\r
}\r
\r
//-----------------------------------------------------------------------------\r
-// MIFARE check keys. key count up to 85. \r
-// \r
+// MIFARE check keys. key count up to 85.\r
+//\r
//-----------------------------------------------------------------------------\r
-void MifareChkKeys(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)\r
+void MifareChkKeys(uint16_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain)\r
{\r
- // params\r
- uint8_t blockNo = arg0;\r
- uint8_t keyType = arg1;\r
+ uint8_t blockNo = arg0 & 0xff;\r
+ uint8_t keyType = (arg0 >> 8) & 0xff;\r
+ bool clearTrace = arg1 & 0x01;\r
+ bool multisectorCheck = arg1 & 0x02;\r
+ uint8_t set14aTimeout = (arg1 >> 8) & 0xff;\r
uint8_t keyCount = arg2;\r
- uint64_t ui64Key = 0;\r
- \r
- // variables\r
- int i;\r
- byte_t isOK = 0;\r
- uint8_t uid[10];\r
- uint32_t cuid;\r
- struct Crypto1State mpcs = {0, 0};\r
- struct Crypto1State *pcs;\r
- pcs = &mpcs;\r
- \r
+\r
// clear debug level\r
- int OLD_MF_DBGLEVEL = MF_DBGLEVEL; \r
+ int OLD_MF_DBGLEVEL = MF_DBGLEVEL;\r
MF_DBGLEVEL = MF_DBG_NONE;\r
- \r
- // clear trace\r
- clear_trace();\r
- set_tracing(TRUE);\r
-\r
- iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
\r
LED_A_ON();\r
LED_B_OFF();\r
LED_C_OFF();\r
+ iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
\r
- for (i = 0; i < keyCount; i++) {\r
- if(mifare_classic_halt(pcs, cuid)) {\r
- if (MF_DBGLEVEL >= 1) Dbprintf("ChkKeys: Halt error");\r
- }\r
+ if (clearTrace) clear_trace();\r
+ set_tracing(true);\r
\r
- if(!iso14443a_select_card(uid, NULL, &cuid)) {\r
- if (OLD_MF_DBGLEVEL >= 1) Dbprintf("ChkKeys: Can't select card");\r
- break;\r
- };\r
+ if (set14aTimeout){\r
+ iso14a_set_timeout(set14aTimeout * 10); // timeout: ms = x/106 35-minimum, 50-OK 106-recommended 500-safe\r
+ }\r
+ \r
+ if (multisectorCheck) {\r
+ TKeyIndex keyIndex = {{0}};\r
+ uint8_t sectorCnt = blockNo;\r
+ int res = MifareMultisectorChk(datain, keyCount, sectorCnt, keyType, OLD_MF_DBGLEVEL, &keyIndex);\r
\r
- ui64Key = bytes_to_num(datain + i * 6, 6);\r
- if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {\r
- continue;\r
- };\r
+ LED_B_ON();\r
+ if (res >= 0) {\r
+ cmd_send(CMD_ACK, 1, 0, 0, keyIndex, 80);\r
+ } else {\r
+ cmd_send(CMD_ACK, 0, 0, 0, NULL, 0);\r
+ }\r
+ LED_B_OFF();\r
+ } else { \r
+ int res = MifareChkBlockKeys(datain, keyCount, blockNo, keyType, OLD_MF_DBGLEVEL);\r
\r
- isOK = 1;\r
- break;\r
+ LED_B_ON();\r
+ if (res > 0) {\r
+ cmd_send(CMD_ACK, 1, 0, 0, datain + (res - 1) * 6, 6);\r
+ } else {\r
+ cmd_send(CMD_ACK, 0, 0, 0, NULL, 0);\r
+ }\r
+ LED_B_OFF();\r
}\r
- \r
- // ----------------------------- crypto1 destroy\r
- crypto1_destroy(pcs);\r
- \r
- LED_B_ON();\r
- cmd_send(CMD_ACK,isOK,0,0,datain + i * 6,6);\r
- LED_B_OFF();\r
\r
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
LEDsoff();\r
\r
// restore debug level\r
- MF_DBGLEVEL = OLD_MF_DBGLEVEL; \r
+ MF_DBGLEVEL = OLD_MF_DBGLEVEL;\r
}\r
\r
//-----------------------------------------------------------------------------\r
// MIFARE commands set debug level\r
-// \r
+//\r
//-----------------------------------------------------------------------------\r
void MifareSetDbgLvl(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
MF_DBGLEVEL = arg0;\r
\r
//-----------------------------------------------------------------------------\r
// Work with emulator memory\r
-// \r
+//\r
+// Note: we call FpgaDownloadAndGo(FPGA_BITSTREAM_HF) here although FPGA is not\r
+// involved in dealing with emulator memory. But if it is called later, it might\r
+// destroy the Emulator Memory.\r
//-----------------------------------------------------------------------------\r
+\r
void MifareEMemClr(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
+ FpgaDownloadAndGo(FPGA_BITSTREAM_HF);\r
emlClearMem();\r
}\r
\r
void MifareEMemSet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
+ FpgaDownloadAndGo(FPGA_BITSTREAM_HF);\r
emlSetMem(datain, arg0, arg1); // data, block num, blocks count\r
}\r
\r
void MifareEMemGet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
+ FpgaDownloadAndGo(FPGA_BITSTREAM_HF);\r
byte_t buf[USB_CMD_DATA_SIZE];\r
emlGetMem(buf, arg0, arg1); // data, block num, blocks count (max 4)\r
\r
\r
//-----------------------------------------------------------------------------\r
// Load a card into the emulator memory\r
-// \r
+//\r
//-----------------------------------------------------------------------------\r
void MifareECardLoad(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
uint8_t numSectors = arg0;\r
byte_t dataoutbuf2[16];\r
uint8_t uid[10];\r
\r
- // clear trace\r
- clear_trace();\r
- set_tracing(false);\r
- \r
- iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
-\r
LED_A_ON();\r
LED_B_OFF();\r
LED_C_OFF();\r
- \r
+ iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
+\r
+ clear_trace();\r
+ set_tracing(false);\r
+\r
bool isOK = true;\r
\r
- if(!iso14443a_select_card(uid, NULL, &cuid)) {\r
+ if(!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) {\r
isOK = false;\r
if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
}\r
- \r
+\r
for (uint8_t sectorNo = 0; isOK && sectorNo < numSectors; sectorNo++) {\r
ui64Key = emlGetKey(sectorNo, keyType);\r
if (sectorNo == 0){\r
break;\r
}\r
}\r
- \r
+\r
for (uint8_t blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) {\r
if(isOK && mifare_classic_readblock(pcs, cuid, FirstBlockOfSector(sectorNo) + blockNo, dataoutbuf)) {\r
isOK = false;\r
\r
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
LEDsoff();\r
- \r
+\r
if (MF_DBGLEVEL >= 2) DbpString("EMUL FILL SECTORS FINISHED");\r
\r
}\r
\r
//-----------------------------------------------------------------------------\r
// Work with "magic Chinese" card (email him: ouyangweidaxian@live.cn)\r
-// \r
+//\r
//-----------------------------------------------------------------------------\r
+\r
+static bool isBlockTrailer(int blockN) {\r
+ if (blockN >= 0 && blockN < 128) {\r
+ return ((blockN & 0x03) == 0x03);\r
+ }\r
+ if (blockN >= 128 && blockN <= 256) {\r
+ return ((blockN & 0x0F) == 0x0F);\r
+ }\r
+ return FALSE;\r
+}\r
+\r
+void MifareCWipe(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
+ // var\r
+ byte_t isOK = 0;\r
+ uint32_t numBlocks = arg0;\r
+ // cmdParams:\r
+ // bit 0 - wipe gen1a\r
+ // bit 1 - fill card with default data\r
+ // bit 2 - gen1a = 0, gen1b = 1\r
+ uint8_t cmdParams = arg1;\r
+ bool needWipe = cmdParams & 0x01;\r
+ bool needFill = cmdParams & 0x02;\r
+ bool gen1b = cmdParams & 0x04;\r
+ \r
+ uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
+ uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
+ \r
+ uint8_t block0[16] = {0x01, 0x02, 0x03, 0x04, 0x04, 0x08, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xBE, 0xAF};\r
+ uint8_t block1[16] = {0x00};\r
+ uint8_t blockK[16] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x08, 0x77, 0x8F, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};\r
+ uint8_t d_block[18] = {0x00};\r
+ \r
+ // card commands\r
+ uint8_t wupC1[] = { 0x40 };\r
+ uint8_t wupC2[] = { 0x43 };\r
+ uint8_t wipeC[] = { 0x41 };\r
+ \r
+ // iso14443 setup\r
+ LED_A_ON();\r
+ LED_B_OFF();\r
+ LED_C_OFF();\r
+ iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
+\r
+ // tracing\r
+ clear_trace();\r
+ set_tracing(true);\r
+ \r
+ while (true){\r
+ // wipe\r
+ if (needWipe){\r
+ ReaderTransmitBitsPar(wupC1,7,0, NULL);\r
+ if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
+ if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error");\r
+ break;\r
+ };\r
+\r
+ ReaderTransmit(wipeC, sizeof(wipeC), NULL);\r
+ if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
+ if (MF_DBGLEVEL >= 1) Dbprintf("wipeC error");\r
+ break;\r
+ };\r
+\r
+ if(mifare_classic_halt(NULL, 0)) {\r
+ if (MF_DBGLEVEL > 2) Dbprintf("Halt error");\r
+ };\r
+ };\r
+ \r
+ // put default data\r
+ if (needFill){\r
+ // select commands\r
+ ReaderTransmitBitsPar(wupC1, 7, 0, NULL);\r
+\r
+ // gen1b magic tag : do no issue wupC2 and don't expect 0x0a response after SELECT_UID (after getting UID from chip in 'hf mf csetuid' command)\r
+ if (!gen1b) { \r
+\r
+ if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
+ if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error");\r
+ break;\r
+ };\r
+\r
+ ReaderTransmit(wupC2, sizeof(wupC2), NULL);\r
+ if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
+ if (MF_DBGLEVEL >= 1) Dbprintf("wupC2 error");\r
+ break;\r
+ };\r
+ }\r
+\r
+ // send blocks command\r
+ for (int blockNo = 0; blockNo < numBlocks; blockNo++) {\r
+ if ((mifare_sendcmd_short(NULL, 0, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 1) || (receivedAnswer[0] != 0x0a)) {\r
+ if (MF_DBGLEVEL >= 1) Dbprintf("write block send command error");\r
+ break;\r
+ };\r
+ \r
+ // check type of block and add crc\r
+ if (!isBlockTrailer(blockNo)){\r
+ memcpy(d_block, block1, 16);\r
+ } else {\r
+ memcpy(d_block, blockK, 16);\r
+ }\r
+ if (blockNo == 0) {\r
+ memcpy(d_block, block0, 16);\r
+ }\r
+ AppendCrc14443a(d_block, 16);\r
+\r
+ // send write command\r
+ ReaderTransmit(d_block, sizeof(d_block), NULL);\r
+ if ((ReaderReceive(receivedAnswer, receivedAnswerPar) != 1) || (receivedAnswer[0] != 0x0a)) {\r
+ if (MF_DBGLEVEL >= 1) Dbprintf("write block send data error");\r
+ break;\r
+ };\r
+ }\r
+ \r
+ // halt\r
+ // do no issue halt command for gen1b \r
+ if (!gen1b) {\r
+ if (mifare_classic_halt(NULL, 0)) {\r
+ if (MF_DBGLEVEL > 2) Dbprintf("Halt error");\r
+ break;\r
+ }\r
+ }\r
+ }\r
+ break;\r
+ } \r
+\r
+ // send USB response\r
+ LED_B_ON();\r
+ cmd_send(CMD_ACK,isOK,0,0,NULL,0);\r
+ LED_B_OFF();\r
+ \r
+ // reset fpga\r
+ FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
+ LEDsoff();\r
+ \r
+ return;\r
+}\r
+\r
void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
- \r
+\r
// params\r
uint8_t needWipe = arg0;\r
// bit 0 - need get UID\r
// bit 2 - need HALT after sequence\r
// bit 3 - need init FPGA and field before sequence\r
// bit 4 - need reset FPGA and LED\r
+ // bit 6 - gen1b backdoor type\r
uint8_t workFlags = arg1;\r
uint8_t blockNo = arg2;\r
- \r
+\r
// card commands\r
- uint8_t wupC1[] = { 0x40 }; \r
- uint8_t wupC2[] = { 0x43 }; \r
- uint8_t wipeC[] = { 0x41 }; \r
- \r
+ uint8_t wupC1[] = { 0x40 };\r
+ uint8_t wupC2[] = { 0x43 };\r
+ uint8_t wipeC[] = { 0x41 };\r
+\r
// variables\r
byte_t isOK = 0;\r
uint8_t uid[10] = {0x00};\r
uint8_t d_block[18] = {0x00};\r
uint32_t cuid;\r
- \r
+\r
uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
\r
LED_A_ON();\r
LED_B_OFF();\r
LED_C_OFF();\r
- \r
- clear_trace();\r
- set_tracing(TRUE);\r
iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
+\r
+ clear_trace();\r
+ set_tracing(true);\r
}\r
\r
while (true) {\r
\r
// get UID from chip\r
if (workFlags & 0x01) {\r
- if(!iso14443a_select_card(uid, NULL, &cuid)) {\r
+ if(!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) {\r
if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
- break;\r
- };\r
-\r
- if(mifare_classic_halt(NULL, cuid)) {\r
- if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
- break;\r
- };\r
+ // Continue, if we set wrong UID or wrong UID checksum or some ATQA or SAK we will can't select card. But we need to write block 0 to make card work.\r
+ //break;\r
+ };\r
+\r
+ if(mifare_classic_halt(NULL, cuid)) {\r
+ if (MF_DBGLEVEL > 2) Dbprintf("Halt error");\r
+ // Continue, some magic tags misbehavies and send an answer to it.\r
+ // break;\r
+ };\r
};\r
- \r
+\r
// reset chip\r
- if (needWipe){\r
+ // Wipe command don't work with gen1b\r
+ if (needWipe && !(workFlags & 0x40)){\r
ReaderTransmitBitsPar(wupC1,7,0, NULL);\r
if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error");\r
break;\r
};\r
\r
- if(mifare_classic_halt(NULL, cuid)) {\r
- if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
- break;\r
+ if(mifare_classic_halt(NULL, 0)) {\r
+ if (MF_DBGLEVEL > 2) Dbprintf("Halt error");\r
+ // Continue, some magic tags misbehavies and send an answer to it.\r
+ // break;\r
};\r
- }; \r
+ };\r
\r
// write block\r
if (workFlags & 0x02) {\r
ReaderTransmitBitsPar(wupC1,7,0, NULL);\r
- if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
- if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error");\r
- break;\r
- };\r
\r
- ReaderTransmit(wupC2, sizeof(wupC2), NULL);\r
- if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
- if (MF_DBGLEVEL >= 1) Dbprintf("wupC2 error");\r
- break;\r
- };\r
+ // gen1b magic tag : do no issue wupC2 and don't expect 0x0a response after SELECT_UID (after getting UID from chip in 'hf mf csetuid' command)\r
+ if (!(workFlags & 0x40)) {\r
+\r
+ if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
+ if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error");\r
+ break;\r
+ };\r
+\r
+ ReaderTransmit(wupC2, sizeof(wupC2), NULL);\r
+ if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
+ if (MF_DBGLEVEL >= 1) Dbprintf("wupC2 error");\r
+ break;\r
+ };\r
+ }\r
}\r
\r
if ((mifare_sendcmd_short(NULL, 0, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 1) || (receivedAnswer[0] != 0x0a)) {\r
if (MF_DBGLEVEL >= 1) Dbprintf("write block send command error");\r
break;\r
};\r
- \r
+\r
memcpy(d_block, datain, 16);\r
AppendCrc14443a(d_block, 16);\r
- \r
+\r
ReaderTransmit(d_block, sizeof(d_block), NULL);\r
if ((ReaderReceive(receivedAnswer, receivedAnswerPar) != 1) || (receivedAnswer[0] != 0x0a)) {\r
if (MF_DBGLEVEL >= 1) Dbprintf("write block send data error");\r
break;\r
- }; \r
- \r
+ };\r
+\r
if (workFlags & 0x04) {\r
- if (mifare_classic_halt(NULL, cuid)) {\r
- if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
- break;\r
- };\r
+ // do no issue halt command for gen1b magic tag (#db# halt error. response len: 1)\r
+ if (!(workFlags & 0x40)) {\r
+ if (mifare_classic_halt(NULL, 0)) {\r
+ if (MF_DBGLEVEL > 2) Dbprintf("Halt error");\r
+ // Continue, some magic tags misbehavies and send an answer to it.\r
+ // break;\r
+ }\r
+ }\r
}\r
- \r
+\r
isOK = 1;\r
break;\r
}\r
- \r
+\r
LED_B_ON();\r
cmd_send(CMD_ACK,isOK,0,0,uid,4);\r
LED_B_OFF();\r
\r
\r
void MifareCGetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
- \r
- // params\r
+\r
+ // params\r
// bit 1 - need wupC\r
// bit 2 - need HALT after sequence\r
// bit 3 - need init FPGA and field before sequence\r
// bit 4 - need reset FPGA and LED\r
+ // bit 5 - need to set datain instead of issuing USB reply (called via ARM for StandAloneMode14a)\r
+ // bit 6 - gen1b backdoor type\r
uint8_t workFlags = arg0;\r
uint8_t blockNo = arg2;\r
- \r
+\r
// card commands\r
- uint8_t wupC1[] = { 0x40 }; \r
- uint8_t wupC2[] = { 0x43 }; \r
- \r
+ uint8_t wupC1[] = { 0x40 };\r
+ uint8_t wupC2[] = { 0x43 };\r
+\r
// variables\r
byte_t isOK = 0;\r
uint8_t data[18] = {0x00};\r
uint32_t cuid = 0;\r
- \r
+\r
uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
- \r
+\r
if (workFlags & 0x08) {\r
LED_A_ON();\r
LED_B_OFF();\r
LED_C_OFF();\r
- \r
- clear_trace();\r
- set_tracing(TRUE);\r
iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
+\r
+ clear_trace();\r
+ set_tracing(true);\r
}\r
\r
while (true) {\r
if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error");\r
break;\r
- };\r
-\r
+ };\r
+ // do no issue for gen1b magic tag\r
+ if (!(workFlags & 0x40)) {\r
ReaderTransmit(wupC2, sizeof(wupC2), NULL);\r
if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
if (MF_DBGLEVEL >= 1) Dbprintf("wupC2 error");\r
break;\r
};\r
}\r
+ }\r
\r
// read block\r
if ((mifare_sendcmd_short(NULL, 0, 0x30, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 18)) {\r
break;\r
};\r
memcpy(data, receivedAnswer, 18);\r
- \r
+\r
if (workFlags & 0x04) {\r
- if (mifare_classic_halt(NULL, cuid)) {\r
- if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
- break;\r
- };\r
+ // do no issue halt command for gen1b magic tag (#db# halt error. response len: 1)\r
+ if (!(workFlags & 0x40)) {\r
+ if (mifare_classic_halt(NULL, cuid)) {\r
+ if (MF_DBGLEVEL > 1) Dbprintf("Halt error");\r
+ // Continue, some magic tags misbehavies and send an answer to it.\r
+ // break;\r
+ }\r
+ }\r
}\r
- \r
+\r
isOK = 1;\r
break;\r
}\r
- \r
+\r
LED_B_ON();\r
- cmd_send(CMD_ACK,isOK,0,0,data,18);\r
+ if (workFlags & 0x20) {\r
+ if (isOK)\r
+ memcpy(datain, data, 18);\r
+ }\r
+ else\r
+ cmd_send(CMD_ACK,isOK,0,0,data,18);\r
LED_B_OFF();\r
\r
if ((workFlags & 0x10) || (!isOK)) {\r
}\r
\r
void MifareCIdent(){\r
- \r
+\r
// card commands\r
- uint8_t wupC1[] = { 0x40 }; \r
- uint8_t wupC2[] = { 0x43 }; \r
- \r
+ uint8_t wupC1[] = { 0x40 };\r
+ uint8_t wupC2[] = { 0x43 };\r
+\r
// variables\r
- byte_t isOK = 1;\r
- \r
+ byte_t isOK = 0;\r
+\r
uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
+ \r
+ LED_A_ON();\r
+ LED_B_OFF();\r
+ LED_C_OFF();\r
+ iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
\r
- ReaderTransmitBitsPar(wupC1,7,0, NULL);\r
- if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
- isOK = 0;\r
- };\r
+ clear_trace();\r
+ set_tracing(true); \r
\r
- ReaderTransmit(wupC2, sizeof(wupC2), NULL);\r
- if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
- isOK = 0;\r
- };\r
+ ReaderTransmitBitsPar(wupC1,7,0, NULL);\r
+ if(ReaderReceive(receivedAnswer, receivedAnswerPar) && (receivedAnswer[0] == 0x0a)) {\r
+ isOK = 2;\r
\r
- if (mifare_classic_halt(NULL, 0)) {\r
- isOK = 0;\r
+ ReaderTransmit(wupC2, sizeof(wupC2), NULL);\r
+ if(ReaderReceive(receivedAnswer, receivedAnswerPar) && (receivedAnswer[0] == 0x0a)) {\r
+ isOK = 1;\r
+ };\r
};\r
\r
+ // From iceman1001: removed the if, since some magic tags misbehavies and send an answer to it.\r
+ mifare_classic_halt(NULL, 0);\r
+ \r
+ LED_B_ON();\r
cmd_send(CMD_ACK,isOK,0,0,0,0);\r
+ LED_B_OFF();\r
+\r
+ FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
+ LEDsoff(); \r
}\r
\r
- //\r
+//\r
// DESFIRE\r
//\r
\r
byte_t dataout[11] = {0x00};\r
uint8_t uid[10] = {0x00};\r
uint32_t cuid;\r
- \r
- clear_trace();\r
+\r
iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
+ clear_trace();\r
\r
- int len = iso14443a_select_card(uid, NULL, &cuid);\r
+ int len = iso14443a_select_card(uid, NULL, &cuid, true, 0, true);\r
if(!len) {\r
if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card");\r
OnError(1);\r
uint8_t key[16] = {0x00};\r
byte_t isOK = 0;\r
byte_t dataout[12] = {0x00};\r
- \r
+\r
memcpy(key, datain, 16);\r
- \r
+\r
isOK = mifare_desfire_des_auth2(cuid, key, dataout);\r
- \r
+\r
if( isOK) {\r
- if (MF_DBGLEVEL >= MF_DBG_EXTENDED) \r
- Dbprintf("Authentication part2: Failed"); \r
- //OnError(4);\r
+ if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("Authentication part2: Failed");\r
+ OnError(4);\r
return;\r
}\r
\r
- if (MF_DBGLEVEL >= MF_DBG_EXTENDED) \r
- DbpString("AUTH 2 FINISHED");\r
+ if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 2 FINISHED");\r
\r
cmd_send(CMD_ACK, isOK, 0, 0, dataout, sizeof(dataout));\r
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
projects / proxmark3-svn / blobdiff