// Hagen Fritsch - June 2010\r
// Midnitesnake - Dec 2013\r
// Andy Davies - Apr 2014\r
-// Iceman - May 2014\r
+// Iceman - May 2014,2015,2016\r
//\r
// This code is licensed to you under the terms of the GNU GPL, version 2 or,\r
// at your option, any later version. See the LICENSE.txt file for the text of\r
#include "mifarecmd.h"\r
#include "apps.h"\r
#include "util.h"\r
-\r
#include "crc.h"\r
+#include "protocols.h"\r
+#include "parity.h"\r
\r
//-----------------------------------------------------------------------------\r
// Select, Authenticate, Read a MIFARE tag. \r
\r
// variables\r
byte_t isOK = 0;\r
- byte_t dataoutbuf[16];\r
- uint8_t uid[10];\r
- uint32_t cuid;\r
+ byte_t dataoutbuf[16] = {0x00};\r
+ uint8_t uid[10] = {0x00};\r
+ uint32_t cuid = 0;\r
struct Crypto1State mpcs = {0, 0};\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
+ set_tracing(true);\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)) {\r
if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
break;\r
};\r
break;\r
}\r
\r
- // ----------------------------- crypto1 destroy\r
crypto1_destroy(pcs);\r
\r
if (MF_DBGLEVEL >= 2) DbpString("READ BLOCK FINISHED");\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
+ set_tracing(true);\r
+\r
+ if(!iso14443a_select_card(NULL, NULL, NULL, true, 0)) {\r
if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card");\r
OnError(0);\r
return;\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
+ set_tracing(true);\r
+\r
+ int len = iso14443a_select_card(NULL, NULL, NULL, true, 0);\r
if(!len) {\r
if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card (RC:%02X)",len);\r
OnError(1);\r
// variables\r
byte_t isOK = 0;\r
byte_t dataoutbuf[16 * 16];\r
- uint8_t uid[10];\r
- uint32_t cuid;\r
+ uint8_t uid[10] = {0x00};\r
+ uint32_t cuid = 0;\r
struct Crypto1State mpcs = {0, 0};\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
+ set_tracing(true);\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)) {\r
isOK = 0;\r
if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
}\r
if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
}\r
\r
- // ----------------------------- crypto1 destroy\r
- crypto1_destroy(pcs);\r
- \r
if (MF_DBGLEVEL >= 2) DbpString("READ SECTOR FINISHED");\r
\r
+ crypto1_destroy(pcs);\r
+\r
LED_B_ON();\r
cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,16*NumBlocksPerSector(sectorNo));\r
LED_B_OFF();\r
\r
- // Thats it...\r
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
LEDsoff();\r
+ set_tracing(FALSE);\r
}\r
\r
// arg0 = blockNo (start)\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
+ BigBuf_free(); BigBuf_Clear_ext(false);\r
clear_trace();\r
-\r
+ set_tracing(true);\r
+ \r
// params\r
uint8_t blockNo = arg0;\r
uint16_t blocks = arg1;\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);\r
if (!len) {\r
if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card (RC:%d)",len);\r
OnError(1);\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
if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("Blocks read %d", countblocks);\r
\r
countblocks *= 4;\r
- cmd_send(CMD_ACK, 1, countblocks, countblocks, 0, 0);\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
+ set_tracing(FALSE);\r
}\r
\r
//-----------------------------------------------------------------------------\r
uint8_t blockNo = arg0;\r
uint8_t keyType = arg1;\r
uint64_t ui64Key = 0;\r
- byte_t blockdata[16];\r
+ byte_t blockdata[16] = {0x00};\r
\r
ui64Key = bytes_to_num(datain, 6);\r
memcpy(blockdata, datain + 10, 16);\r
\r
// variables\r
byte_t isOK = 0;\r
- uint8_t uid[10];\r
- uint32_t cuid;\r
+ uint8_t uid[10] = {0x00};\r
+ uint32_t cuid = 0;\r
struct Crypto1State mpcs = {0, 0};\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
+ set_tracing(true);\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)) {\r
if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
break;\r
};\r
cmd_send(CMD_ACK,isOK,0,0,0,0);\r
LED_B_OFF();\r
\r
-\r
- // Thats it...\r
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
LEDsoff();\r
+ set_tracing(FALSE);\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
LED_A_ON(); LED_B_OFF(); LED_C_OFF();\r
\r
clear_trace();\r
+ set_tracing(true);\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
\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
+ set_tracing(true);\r
+ \r
+ if(!iso14443a_select_card(NULL, NULL, NULL, true, 0)) {\r
if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
OnError(0);\r
return;\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
cmd_send(CMD_ACK,1,0,0,0,0);\r
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
LEDsoff();\r
+ set_tracing(FALSE);\r
}\r
\r
void MifareUSetPwd(uint8_t arg0, uint8_t *datain){\r
memcpy(pwd, datain, 16);\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
+ set_tracing(true);\r
+ \r
+ if(!iso14443a_select_card(NULL, NULL, NULL, true, 0)) {\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
cmd_send(CMD_ACK,1,0,0,0,0);\r
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
LEDsoff();\r
+ set_tracing(FALSE);\r
}\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
+#define AUTHENTICATION_TIMEOUT 848 // card times out 1ms after wrong authentication (according to NXP documentation)\r
+#define PRE_AUTHENTICATION_LEADTIME 400 // some (non standard) cards need a pause after select before they are ready for first authentication \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] = {0x00};\r
+ uint32_t cuid = 0;\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] = {0x00};\r
+ int16_t isOK = 0;\r
+ uint8_t par_enc[1] = {0x00};\r
+ uint8_t nt_par_enc = 0;\r
+ uint8_t buf[USB_CMD_DATA_SIZE] = {0x00};\r
+ uint32_t timeout = 0;\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)) {\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)) {\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
+ // wait for the card to become ready again\r
+ while(GetCountSspClk() < timeout); \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
+ set_tracing(FALSE);\r
+ }\r
}\r
\r
\r
\r
// variables\r
uint16_t rtr, i, j, len;\r
- uint16_t davg;\r
+ uint16_t davg = 0;\r
static uint16_t dmin, dmax;\r
- uint8_t uid[10];\r
- uint32_t cuid, nt1, nt2, nttmp, nttest, ks1;\r
- uint8_t par[1];\r
- uint32_t target_nt[2], target_ks[2];\r
+ uint8_t uid[10] = {0x00};\r
+ uint32_t cuid = 0, nt1, nt2, nttmp, nttest, ks1;\r
+ uint8_t par[1] = {0x00};\r
+ uint32_t target_nt[2] = {0x00}, target_ks[2] = {0x00};\r
\r
- uint8_t par_array[4];\r
+ uint8_t par_array[4] = {0x00};\r
uint16_t ncount = 0;\r
struct Crypto1State mpcs = {0, 0};\r
struct Crypto1State *pcs;\r
pcs = &mpcs;\r
- uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
+ uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE] = {0x00};\r
\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
+ static uint16_t delta_time = 0;\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(); BigBuf_Clear_ext(false);\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
\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)) {\r
if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Can't select card");\r
rtr--;\r
continue;\r
rtr--;\r
continue;\r
};\r
+ auth2_time = (delta_time) ? auth1_time + delta_time : 0;\r
\r
- if (delta_time) {\r
- auth2_time = auth1_time + delta_time;\r
- } else {\r
- auth2_time = 0;\r
- }\r
if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_NESTED, &nt2, &auth2_time)) {\r
if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth2 error");\r
rtr--;\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
+ 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
LED_B_OFF();\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
continue;\r
}\r
\r
- if(!iso14443a_select_card(uid, NULL, &cuid)) {\r
+ if(!iso14443a_select_card(uid, NULL, &cuid, true, 0)) {\r
if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Can't select card");\r
continue;\r
};\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
+\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
if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: Testing nt1=%08x nt2enc=%08x nt2par=%02x", i+1, nt1, nt2, par[0]);\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
- }\r
+// for (j = 0; j < 4; j++) {\r
+// par_array[j] = (oddparity8(receivedAnswer[j]) != ((par[0] >> (7-j)) & 0x01));\r
+// }\r
+ par_array[0] = (oddparity8(receivedAnswer[0]) != ((par[0] >> (7-0)) & 0x01));\r
+ par_array[1] = (oddparity8(receivedAnswer[1]) != ((par[0] >> (7-1)) & 0x01));\r
+ par_array[2] = (oddparity8(receivedAnswer[2]) != ((par[0] >> (7-2)) & 0x01));\r
+ par_array[3] = (oddparity8(receivedAnswer[3]) != ((par[0] >> (7-3)) & 0x01));\r
\r
ncount = 0;\r
nttest = prng_successor(nt1, dmin - 1);\r
\r
LED_C_OFF();\r
\r
- // ----------------------------- crypto1 destroy\r
crypto1_destroy(pcs);\r
\r
- byte_t buf[4 + 4 * 4];\r
+ byte_t buf[4 + 4 * 4] = {0};\r
memcpy(buf, &cuid, 4);\r
memcpy(buf+4, &target_nt[0], 4);\r
memcpy(buf+8, &target_ks[0], 4);\r
memcpy(buf+16, &target_ks[1], 4);\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
+ set_tracing(FALSE);\r
}\r
\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
-{\r
- // params\r
- uint8_t blockNo = arg0;\r
- uint8_t keyType = arg1;\r
+void MifareChkKeys(uint16_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain) {\r
+ uint8_t blockNo = arg0 & 0xff;\r
+ uint8_t keyType = (arg0 >> 8) & 0xff;\r
+ bool clearTrace = arg1;\r
uint8_t keyCount = arg2;\r
uint64_t ui64Key = 0;\r
\r
- // variables\r
+ bool have_uid = FALSE;\r
+ uint8_t cascade_levels = 0;\r
+ uint32_t timeout = 0;\r
+ \r
int i;\r
byte_t isOK = 0;\r
- uint8_t uid[10];\r
- uint32_t cuid;\r
+ uint8_t uid[10] = {0x00};\r
+ uint32_t cuid = 0;\r
struct Crypto1State mpcs = {0, 0};\r
struct Crypto1State *pcs;\r
pcs = &mpcs;\r
\r
- // clear debug level\r
+ // save old debuglevel, and tempory turn off dbg printing. speedissues.\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
+ LEDsoff();\r
LED_A_ON();\r
- LED_B_OFF();\r
- LED_C_OFF();\r
+ \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) \r
+ clear_trace();\r
+ \r
+ set_tracing(TRUE);\r
+ \r
+ for (i = 0; i < keyCount; ++i) {\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
+ //mifare_classic_halt(pcs, cuid);\r
\r
+ // this part is from Piwi's faster nonce collecting part in Hardnested.\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)) {\r
+ if (MF_DBGLEVEL >= 1) Dbprintf("ChkKeys: Can't select card (ALL)");\r
+ break;\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)) {\r
+ if (MF_DBGLEVEL >= 1) Dbprintf("ChkKeys: Can't select card (UID)");\r
+ continue;\r
+ }\r
+ }\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
\r
+ if (mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {\r
+\r
+ uint8_t dummy_answer = 0;\r
+ ReaderTransmit(&dummy_answer, 1, NULL);\r
+ timeout = GetCountSspClk() + AUTHENTICATION_TIMEOUT;\r
+ \r
+ // wait for the card to become ready again\r
+ while(GetCountSspClk() < timeout);\r
+ \r
+ continue;\r
+ }\r
isOK = 1;\r
break;\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
+ cmd_send(CMD_ACK, isOK, 0, 0, datain + i * 6, 6);\r
\r
// restore debug level\r
MF_DBGLEVEL = OLD_MF_DBGLEVEL; \r
+ \r
+ FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
+ LEDsoff();\r
+ set_tracing(FALSE);\r
+ crypto1_destroy(pcs);\r
}\r
\r
//-----------------------------------------------------------------------------\r
//-----------------------------------------------------------------------------\r
// Work with emulator memory\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
- emlSetMem(datain, arg0, arg1); // data, block num, blocks count\r
+ FpgaDownloadAndGo(FPGA_BITSTREAM_HF);\r
+ if (arg2==0) arg2 = 16; // backwards compat... default bytewidth\r
+ emlSetMem_xt(datain, arg0, arg1, arg2); // data, block num, blocks count, block byte width\r
}\r
\r
void MifareEMemGet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
- byte_t buf[USB_CMD_DATA_SIZE];\r
+ FpgaDownloadAndGo(FPGA_BITSTREAM_HF);\r
+ byte_t buf[USB_CMD_DATA_SIZE] = {0x00};\r
emlGetMem(buf, arg0, arg1); // data, block num, blocks count (max 4)\r
\r
LED_B_ON();\r
uint8_t numSectors = arg0;\r
uint8_t keyType = arg1;\r
uint64_t ui64Key = 0;\r
- uint32_t cuid;\r
+ uint32_t cuid = 0;\r
struct Crypto1State mpcs = {0, 0};\r
struct Crypto1State *pcs;\r
pcs = &mpcs;\r
\r
// variables\r
- byte_t dataoutbuf[16];\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
+ byte_t dataoutbuf[16] = {0x00};\r
+ byte_t dataoutbuf2[16] = {0x00};\r
+ uint8_t uid[10] = {0x00};\r
\r
LED_A_ON();\r
LED_B_OFF();\r
LED_C_OFF();\r
+ iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
+ \r
+ clear_trace();\r
+ set_tracing(TRUE);\r
\r
bool isOK = true;\r
\r
- if(!iso14443a_select_card(uid, NULL, &cuid)) {\r
+ if(!iso14443a_select_card(uid, NULL, &cuid, true, 0)) {\r
isOK = false;\r
if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
}\r
isOK = false;\r
if (MF_DBGLEVEL >= 1) Dbprintf("Error reading sector %2d block %2d", sectorNo, blockNo);\r
break;\r
- };\r
+ }\r
if (isOK) {\r
if (blockNo < NumBlocksPerSector(sectorNo) - 1) {\r
emlSetMem(dataoutbuf, FirstBlockOfSector(sectorNo) + blockNo, 1);\r
\r
}\r
\r
- if(mifare_classic_halt(pcs, cuid)) {\r
- if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
- };\r
+ if(mifare_classic_halt(pcs, cuid))\r
+ if (MF_DBGLEVEL >= 1)\r
+ Dbprintf("Halt error");\r
\r
// ----------------------------- crypto1 destroy\r
crypto1_destroy(pcs);\r
\r
if (MF_DBGLEVEL >= 2) DbpString("EMUL FILL SECTORS FINISHED");\r
\r
+ set_tracing(FALSE);\r
}\r
\r
\r
//-----------------------------------------------------------------------------\r
// Work with "magic Chinese" card (email him: ouyangweidaxian@live.cn)\r
// \r
+// PARAMS - workFlags\r
+// bit 0 - need get UID\r
+// bit 1 - need wupC\r
+// bit 2 - need HALT after sequence\r
+// bit 3 - need turn on FPGA before sequence\r
+// bit 4 - need turn off FPGA\r
+// bit 5 - need to set datain instead of issuing USB reply (called via ARM for StandAloneMode14a)\r
+// bit 6 - wipe tag.\r
//-----------------------------------------------------------------------------\r
-void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
- \r
- // params\r
- uint8_t needWipe = arg0;\r
- // bit 0 - need get UID\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
- uint8_t workFlags = arg1;\r
- uint8_t blockNo = arg2;\r
+// magic uid card generation 1 commands\r
+uint8_t wupC1[] = { MIFARE_MAGICWUPC1 }; \r
+uint8_t wupC2[] = { MIFARE_MAGICWUPC2 }; \r
+uint8_t wipeC[] = { MIFARE_MAGICWIPEC }; \r
\r
- // card commands\r
- uint8_t wupC1[] = { 0x40 }; \r
- uint8_t wupC2[] = { 0x43 }; \r
- uint8_t wipeC[] = { 0x41 }; \r
+void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint8_t *datain){\r
+ \r
+ // params\r
+ uint8_t workFlags = arg0;\r
+ uint8_t blockNo = arg1;\r
\r
// variables\r
- byte_t isOK = 0;\r
+ bool isOK = false; //assume we will get an error\r
+ uint8_t errormsg = 0x00;\r
uint8_t uid[10] = {0x00};\r
- uint8_t d_block[18] = {0x00};\r
- uint32_t cuid;\r
+ uint8_t data[18] = {0x00};\r
+ uint32_t cuid = 0;\r
\r
- uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
- uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
+ uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE] = {0x00};\r
+ uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE] = {0x00};\r
\r
- // reset FPGA and LED\r
- if (workFlags & 0x08) {\r
+ if (workFlags & MAGIC_INIT) {\r
LED_A_ON();\r
LED_B_OFF();\r
- LED_C_OFF();\r
- \r
+ iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
clear_trace();\r
set_tracing(TRUE);\r
- iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
}\r
\r
+ //loop doesn't loop just breaks out if error\r
while (true) {\r
-\r
- // get UID from chip\r
- if (workFlags & 0x01) {\r
- if(!iso14443a_select_card(uid, NULL, &cuid)) {\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
- };\r
+ // read UID and return to client with write\r
+ if (workFlags & MAGIC_UID) {\r
+ if(!iso14443a_select_card(uid, NULL, &cuid, true, 0)) {\r
+ if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card");\r
+ errormsg = MAGIC_UID;\r
+ // break;\r
+ }\r
+ \r
+ if ( mifare_classic_halt_ex(NULL) ) break;\r
+ }\r
\r
- // reset chip\r
- if (needWipe){\r
- ReaderTransmitBitsPar(wupC1,7,0, NULL);\r
+ // wipe tag, fill it with zeros\r
+ if (workFlags & MAGIC_WIPE){\r
+ ReaderTransmitBitsPar(wupC1, 7, NULL, NULL);\r
if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
- if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error");\r
+ if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("wupC1 error");\r
+ errormsg = MAGIC_WIPE;\r
break;\r
- };\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
+ if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("wipeC error");\r
+ errormsg = MAGIC_WIPE;\r
break;\r
- };\r
+ }\r
\r
- if(mifare_classic_halt(NULL, cuid)) {\r
- if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
- break;\r
- };\r
- }; \r
+ if ( mifare_classic_halt_ex(NULL) ) break;\r
+ } \r
\r
// write block\r
- if (workFlags & 0x02) {\r
- ReaderTransmitBitsPar(wupC1,7,0, NULL);\r
+ if (workFlags & MAGIC_WUPC) {\r
+ ReaderTransmitBitsPar(wupC1, 7, NULL, NULL);\r
if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
- if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error");\r
+ if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("wupC1 error");\r
+ errormsg = MAGIC_WUPC;\r
break;\r
- };\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
+ if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("wupC2 error");\r
+ errormsg = MAGIC_WUPC;\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
+ if ((mifare_sendcmd_short(NULL, 0, ISO14443A_CMD_WRITEBLOCK, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 1) || (receivedAnswer[0] != 0x0a)) {\r
+ if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("write block send command error");\r
+ errormsg = 4;\r
break;\r
- };\r
+ }\r
\r
- memcpy(d_block, datain, 16);\r
- AppendCrc14443a(d_block, 16);\r
+ memcpy(data, datain, 16);\r
+ AppendCrc14443a(data, 16);\r
\r
- ReaderTransmit(d_block, sizeof(d_block), NULL);\r
+ ReaderTransmit(data, sizeof(data), NULL);\r
if ((ReaderReceive(receivedAnswer, receivedAnswerPar) != 1) || (receivedAnswer[0] != 0x0a)) {\r
- if (MF_DBGLEVEL >= 1) Dbprintf("write block send data error");\r
+ if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("write block send data error");\r
+ errormsg = 0;\r
break;\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
- }\r
+ if (workFlags & MAGIC_OFF) \r
+ if ( mifare_classic_halt_ex(NULL) ) break;\r
\r
- isOK = 1;\r
+ isOK = true;\r
break;\r
- }\r
- \r
- LED_B_ON();\r
- cmd_send(CMD_ACK,isOK,0,0,uid,4);\r
- LED_B_OFF();\r
\r
- if ((workFlags & 0x10) || (!isOK)) {\r
- FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
- LEDsoff();\r
- }\r
-}\r
+ } // end while \r
\r
+ if (isOK )\r
+ cmd_send(CMD_ACK,1,0,0,uid,sizeof(uid));\r
+ else\r
+ OnErrorMagic(errormsg);\r
\r
-void MifareCGetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\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
+ if (workFlags & MAGIC_OFF)\r
+ OnSuccessMagic();\r
+}\r
+\r
+void MifareCGetBlock(uint32_t arg0, uint32_t arg1, uint8_t *datain){\r
+ \r
uint8_t workFlags = arg0;\r
- uint8_t blockNo = arg2;\r
- \r
- // card commands\r
- uint8_t wupC1[] = { 0x40 }; \r
- uint8_t wupC2[] = { 0x43 }; \r
+ uint8_t blockNo = arg1;\r
+ uint8_t errormsg = 0x00;\r
+ bool isOK = false; //assume we will get an error\r
\r
// variables\r
- byte_t isOK = 0;\r
- uint8_t data[18] = {0x00};\r
- uint32_t cuid = 0;\r
+ uint8_t data[MAX_MIFARE_FRAME_SIZE];\r
+ uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE] = {0x00};\r
+ uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE] = {0x00};\r
\r
- uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
- uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
+ memset(data, 0x00, sizeof(data));\r
\r
- if (workFlags & 0x08) {\r
+ if (workFlags & MAGIC_INIT) {\r
LED_A_ON();\r
LED_B_OFF();\r
- LED_C_OFF();\r
- \r
+ iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); \r
clear_trace();\r
set_tracing(TRUE);\r
- iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
}\r
\r
+ //loop doesn't loop just breaks out if error or done\r
while (true) {\r
- if (workFlags & 0x02) {\r
- ReaderTransmitBitsPar(wupC1,7,0, NULL);\r
+ if (workFlags & MAGIC_WUPC) {\r
+ ReaderTransmitBitsPar(wupC1, 7, NULL, NULL);\r
if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
- if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error");\r
+ if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("wupC1 error");\r
+ errormsg = MAGIC_WUPC;\r
break;\r
- };\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
+ if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("wupC2 error");\r
+ errormsg = MAGIC_WUPC;\r
break;\r
- };\r
+ }\r
}\r
\r
- // read block\r
- if ((mifare_sendcmd_short(NULL, 0, 0x30, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 18)) {\r
- if (MF_DBGLEVEL >= 1) Dbprintf("read block send command error");\r
+ // read block \r
+ if ((mifare_sendcmd_short(NULL, 0, ISO14443A_CMD_READBLOCK, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 18)) {\r
+ if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("read block send command error");\r
+ errormsg = 0;\r
break;\r
- };\r
- memcpy(data, receivedAnswer, 18);\r
- \r
- if (workFlags & 0x04) {\r
- if (mifare_classic_halt(NULL, cuid)) {\r
- if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
- break;\r
- };\r
}\r
\r
- isOK = 1;\r
+ memcpy(data, receivedAnswer, sizeof(data));\r
+ \r
+ // send HALT\r
+ if (workFlags & MAGIC_HALT)\r
+ mifare_classic_halt_ex(NULL);\r
+\r
+ isOK = true;\r
break;\r
}\r
- \r
- LED_B_ON();\r
- cmd_send(CMD_ACK,isOK,0,0,data,18);\r
- LED_B_OFF();\r
-\r
- if ((workFlags & 0x10) || (!isOK)) {\r
- FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
- LEDsoff();\r
+ // if MAGIC_DATAIN, the data stays on device side.\r
+ if (workFlags & MAGIC_DATAIN) {\r
+ if (isOK)\r
+ memcpy(datain, data, sizeof(data));\r
+ } else {\r
+ if (isOK) \r
+ cmd_send(CMD_ACK,1,0,0,data,sizeof(data)); \r
+ else \r
+ OnErrorMagic(errormsg); \r
}\r
+ \r
+ if (workFlags & MAGIC_OFF)\r
+ OnSuccessMagic();\r
}\r
\r
void MifareCIdent(){\r
- \r
- // card commands\r
- uint8_t wupC1[] = { 0x40 }; \r
- uint8_t wupC2[] = { 0x43 }; \r
\r
// variables\r
- byte_t isOK = 1;\r
- \r
- uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
- uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
+ bool isOK = true; \r
+ uint8_t receivedAnswer[1] = {0x00};\r
+ uint8_t receivedAnswerPar[1] = {0x00};\r
\r
- ReaderTransmitBitsPar(wupC1,7,0, NULL);\r
+ ReaderTransmitBitsPar(wupC1, 7, NULL, NULL);\r
if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
- isOK = 0;\r
- };\r
+ isOK = false;\r
+ }\r
\r
ReaderTransmit(wupC2, sizeof(wupC2), NULL);\r
if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
- isOK = 0;\r
- };\r
-\r
- if (mifare_classic_halt(NULL, 0)) {\r
- isOK = 0;\r
- };\r
+ isOK = false;\r
+ }\r
\r
+ // removed the if, since some magic tags misbehavies and send an answer to it.\r
+ mifare_classic_halt(NULL, 0);\r
cmd_send(CMD_ACK,isOK,0,0,0,0);\r
}\r
\r
-void MifareCollectNonces(uint32_t arg0, uint32_t arg1){\r
-\r
- BigBuf_free();\r
-\r
- uint32_t iterations = arg0;\r
- uint8_t uid[10] = {0x00};\r
-\r
- uint8_t *response = BigBuf_malloc(MAX_MIFARE_FRAME_SIZE);\r
- uint8_t *responsePar = BigBuf_malloc(MAX_MIFARE_PARITY_SIZE);\r
-\r
- uint8_t mf_auth[] = { 0x60,0x00,0xf5,0x7b };\r
- \r
- // get memory from BigBuf.\r
- uint8_t *nonces = BigBuf_malloc(iterations * 4);\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
- for (int i = 0; i < iterations; i++) {\r
- \r
- WDT_HIT();\r
-\r
- // Test if the action was cancelled\r
- if(BUTTON_PRESS()) break;\r
- \r
- // if(mifare_classic_halt(pcs, cuid)) {\r
- // if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
- //}\r
-\r
- if(!iso14443a_select_card(uid, NULL, NULL)) {\r
- if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
- continue;\r
- };\r
-\r
- // Transmit MIFARE_CLASSIC_AUTH.\r
- ReaderTransmit(mf_auth, sizeof(mf_auth), NULL);\r
-\r
- // Receive the (4 Byte) "random" nonce\r
- if (!ReaderReceive(response, responsePar)) {\r
- if (MF_DBGLEVEL >= 1) Dbprintf("Couldn't receive tag nonce");\r
- continue;\r
- } \r
- \r
- nonces[i*4] = bytes_to_num(response, 4);\r
- }\r
- \r
- int packLen = iterations * 4;\r
- int packSize = 0;\r
- int packNum = 0;\r
- while (packLen > 0) {\r
- packSize = MIN(USB_CMD_DATA_SIZE, packLen);\r
- LED_B_ON();\r
- cmd_send(CMD_ACK, 77, 0, packSize, nonces - packLen, packSize);\r
- LED_B_OFF();\r
-\r
- packLen -= packSize;\r
- packNum++;\r
- }\r
+void OnSuccessMagic(){\r
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
LEDsoff();\r
+ set_tracing(FALSE); \r
+}\r
+void OnErrorMagic(uint8_t reason){\r
+ // ACK, ISOK, reason,0,0,0\r
+ cmd_send(CMD_ACK,0,reason,0,0,0);\r
+ OnSuccessMagic();\r
}\r
-\r
//\r
// DESFIRE\r
//\r
-\r
void Mifare_DES_Auth1(uint8_t arg0, uint8_t *datain){\r
-\r
- byte_t dataout[11] = {0x00};\r
+ byte_t dataout[12] = {0x00};\r
uint8_t uid[10] = {0x00};\r
- uint32_t cuid = 0x00;\r
+ uint32_t cuid = 0;\r
\r
- clear_trace();\r
iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
+ clear_trace();\r
+ set_tracing(true);\r
\r
- int len = iso14443a_select_card(uid, NULL, &cuid);\r
+ int len = iso14443a_select_card(uid, NULL, &cuid, true, 0);\r
if(!len) {\r
if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card");\r
OnError(1);\r
}\r
\r
if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 1 FINISHED");\r
- cmd_send(CMD_ACK,1,cuid,0,dataout, sizeof(dataout));\r
+ cmd_send(CMD_ACK, 1, cuid, 0, dataout, sizeof(dataout));\r
}\r
\r
void Mifare_DES_Auth2(uint32_t arg0, uint8_t *datain){\r
-\r
uint32_t cuid = arg0;\r
uint8_t key[16] = {0x00};\r
byte_t dataout[12] = {0x00};\r
cmd_send(CMD_ACK, isOK, 0, 0, dataout, sizeof(dataout));\r
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
LEDsoff();\r
+ set_tracing(FALSE);\r
}
\ No newline at end of file
projects / proxmark3-svn / blobdiff