//-----------------------------------------------------------------------------\r
\r
#include "mifarecmd.h"\r
+\r
#include "apps.h"\r
#include "util.h"\r
-\r
-#include "des.h"\r
+#include "parity.h"\r
#include "crc.h"\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
+\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
//-----------------------------------------------------------------------------\r
// Select, Authenticate, Read a MIFARE tag. \r
// read block\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)) {\r
if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
break;\r
};\r
LEDsoff();\r
}\r
\r
-void MifareUC_Auth1(uint8_t arg0, uint8_t *datain){\r
+void MifareUC_Auth(uint8_t arg0, uint8_t *keybytes){\r
\r
- byte_t dataoutbuf[16] = {0x00};\r
- uint8_t uid[10] = {0x00};\r
- uint32_t cuid = 0x00;\r
+ bool turnOffField = (arg0 == 1);\r
\r
LED_A_ON(); LED_B_OFF(); LED_C_OFF();\r
- \r
- clear_trace();\r
+\r
iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
\r
- if(!iso14443a_select_card(uid, NULL, &cuid)) {\r
+ clear_trace();\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
\r
- if(mifare_ultra_auth1(dataoutbuf)){\r
- if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication part1: Fail.");\r
+ if(!mifare_ultra_auth(keybytes)){\r
+ if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication failed");\r
OnError(1);\r
return;\r
}\r
\r
- if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 1 FINISHED");\r
- \r
- cmd_send(CMD_ACK,1,cuid,0,dataoutbuf,11);\r
- LEDsoff();\r
-}\r
-void MifareUC_Auth2(uint32_t arg0, uint8_t *datain){\r
-\r
- uint8_t key[16] = {0x00};\r
- byte_t dataoutbuf[16] = {0x00};\r
- \r
- memcpy(key, datain, 16);\r
- \r
- LED_A_ON(); LED_B_OFF(); LED_C_OFF();\r
- \r
- if(mifare_ultra_auth2(key, dataoutbuf)){\r
- if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication part2: Fail...");\r
- OnError(1);\r
- return; \r
+ if (turnOffField) {\r
+ FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
+ LEDsoff();\r
}\r
- \r
- if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 2 FINISHED");\r
- \r
- cmd_send(CMD_ACK,1,0,0,dataoutbuf,11);\r
- FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
- LEDsoff();\r
+ cmd_send(CMD_ACK,1,0,0,0,0);\r
}\r
\r
// Arg0 = BlockNo,\r
{\r
uint8_t blockNo = arg0;\r
byte_t dataout[16] = {0x00};\r
- uint8_t uid[10] = {0x00};\r
- uint8_t key[16] = {0x00};\r
- bool usePwd = (arg1 == 1);\r
+ bool useKey = (arg1 == 1); //UL_C\r
+ bool usePwd = (arg1 == 2); //UL_EV1/NTAG\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(uid, NULL, NULL);\r
+ clear_trace();\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
return;\r
}\r
\r
- // authenticate here.\r
- if ( usePwd ) {\r
-\r
- memcpy(key, datain, 16);\r
-\r
- // Dbprintf("KEY: %02x %02x %02x %02x %02x %02x %02x %02x", key[0],key[1],key[2],key[3],key[4],key[5],key[6],key[7] );\r
- // Dbprintf("KEY: %02x %02x %02x %02x %02x %02x %02x %02x", key[8],key[9],key[10],key[11],key[12],key[13],key[14],key[15] );\r
-\r
- uint8_t random_a[8] = {1,1,1,1,1,1,1,1 };\r
- uint8_t random_b[8] = {0x00};\r
- uint8_t enc_random_b[8] = {0x00};\r
- uint8_t rnd_ab[16] = {0x00};\r
- uint8_t IV[8] = {0x00};\r
-\r
- uint16_t len;\r
- uint8_t receivedAnswer[MAX_FRAME_SIZE];\r
- uint8_t receivedAnswerPar[MAX_PARITY_SIZE];\r
+ // UL-C authentication\r
+ if ( useKey ) {\r
+ uint8_t key[16] = {0x00};\r
+ memcpy(key, datain, sizeof(key) );\r
\r
- len = mifare_sendcmd_short(NULL, 1, 0x1A, 0x00, receivedAnswer,receivedAnswerPar ,NULL);\r
- if (len != 11) {\r
- if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);\r
+ if ( !mifare_ultra_auth(key) ) {\r
OnError(1);\r
return;\r
}\r
- \r
- // tag nonce.\r
- memcpy(enc_random_b,receivedAnswer+1,8);\r
-\r
- // decrypt nonce.\r
- tdes_2key_dec(random_b, enc_random_b, sizeof(random_b), key, IV );\r
- rol(random_b,8);\r
- memcpy(rnd_ab ,random_a,8);\r
- memcpy(rnd_ab+8,random_b,8);\r
-\r
- if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {\r
- Dbprintf("enc_B: %02x %02x %02x %02x %02x %02x %02x %02x",\r
- enc_random_b[0],enc_random_b[1],enc_random_b[2],enc_random_b[3],\r
- enc_random_b[4],enc_random_b[5],enc_random_b[6],enc_random_b[7]);\r
- \r
- Dbprintf(" B: %02x %02x %02x %02x %02x %02x %02x %02x",\r
- random_b[0],random_b[1],random_b[2],random_b[3],\r
- random_b[4],random_b[5],random_b[6],random_b[7]);\r
-\r
- Dbprintf("rnd_ab: %02x %02x %02x %02x %02x %02x %02x %02x",\r
- rnd_ab[0],rnd_ab[1],rnd_ab[2],rnd_ab[3],\r
- rnd_ab[4],rnd_ab[5],rnd_ab[6],rnd_ab[7]);\r
- \r
- Dbprintf("rnd_ab: %02x %02x %02x %02x %02x %02x %02x %02x",\r
- rnd_ab[8],rnd_ab[9],rnd_ab[10],rnd_ab[11],\r
- rnd_ab[12],rnd_ab[13],rnd_ab[14],rnd_ab[15] );\r
- }\r
- \r
- // encrypt out, in, length, key, iv\r
- tdes_2key_enc(rnd_ab, rnd_ab, sizeof(rnd_ab), key, enc_random_b);\r
+ }\r
\r
- len = mifare_sendcmd_short_mfucauth(NULL, 1, 0xAF, rnd_ab, receivedAnswer, receivedAnswerPar, NULL);\r
- if (len != 11) {\r
- if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);\r
+ // UL-EV1 / NTAG authentication\r
+ if ( usePwd ) {\r
+ uint8_t pwd[4] = {0x00};\r
+ memcpy(pwd, datain, 4);\r
+ uint8_t pack[4] = {0,0,0,0};\r
+ if (!mifare_ul_ev1_auth(pwd, pack)) {\r
OnError(1);\r
return;\r
}\r
+ } \r
\r
- uint8_t enc_resp[8] = { 0 };\r
- uint8_t resp_random_a[8] = { 0 };\r
- memcpy(enc_resp, receivedAnswer+1, 8);\r
- \r
- // decrypt out, in, length, key, iv \r
- tdes_2key_dec(resp_random_a, enc_resp, 8, key, enc_random_b);\r
- if ( memcmp(resp_random_a, random_a, 8) != 0 )\r
- Dbprintf("failed authentication");\r
-\r
- if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {\r
- Dbprintf("e_AB: %02x %02x %02x %02x %02x %02x %02x %02x", \r
- rnd_ab[0],rnd_ab[1],rnd_ab[2],rnd_ab[3],\r
- rnd_ab[4],rnd_ab[5],rnd_ab[6],rnd_ab[7]);\r
-\r
- Dbprintf("e_AB: %02x %02x %02x %02x %02x %02x %02x %02x",\r
- rnd_ab[8],rnd_ab[9],rnd_ab[10],rnd_ab[11],\r
- rnd_ab[12],rnd_ab[13],rnd_ab[14],rnd_ab[15]);\r
-\r
- Dbprintf("a: %02x %02x %02x %02x %02x %02x %02x %02x",\r
- random_a[0],random_a[1],random_a[2],random_a[3],\r
- random_a[4],random_a[5],random_a[6],random_a[7]);\r
- \r
- Dbprintf("b: %02x %02x %02x %02x %02x %02x %02x %02x",\r
- resp_random_a[0],resp_random_a[1],resp_random_a[2],resp_random_a[3],\r
- resp_random_a[4],resp_random_a[5],resp_random_a[6],resp_random_a[7]);\r
- }\r
- }\r
- \r
if( mifare_ultra_readblock(blockNo, dataout) ) {\r
if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Read block error");\r
OnError(2);\r
return;\r
}\r
- \r
+\r
if( mifare_ultra_halt() ) {\r
if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Halt error");\r
OnError(3);\r
return;\r
}\r
- \r
- cmd_send(CMD_ACK,1,0,0,dataout,16);\r
+\r
+ cmd_send(CMD_ACK,1,0,0,dataout,16);\r
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
LEDsoff();\r
}\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)) {\r
isOK = 0;\r
if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
}\r
LEDsoff();\r
}\r
\r
+// arg0 = blockNo (start)\r
+// arg1 = Pages (number of blocks)\r
+// arg2 = useKey\r
+// datain = KEY bytes\r
void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain)\r
{\r
- // params\r
- uint8_t blockNo = arg0;\r
- uint16_t blocks = arg1;\r
- bool useKey = (arg2 == 1);\r
- int countblocks = 0;\r
- uint8_t dataout[176] = {0x00};\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
+ // free eventually allocated BigBuf memory\r
+ BigBuf_free();\r
+ clear_trace();\r
+\r
+ // params\r
+ uint8_t blockNo = arg0;\r
+ uint16_t blocks = arg1;\r
+ bool useKey = (arg2 == 1); //UL_C\r
+ bool usePwd = (arg2 == 2); //UL_EV1/NTAG\r
+ uint32_t countblocks = 0;\r
+ uint8_t *dataout = BigBuf_malloc(CARD_MEMORY_SIZE);\r
+ if (dataout == NULL){\r
+ Dbprintf("out of memory");\r
+ OnError(1);\r
+ return;\r
+ }\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:%d)",len);\r
OnError(1);\r
return;\r
}\r
\r
- // authenticate\r
+ // UL-C authentication\r
if ( useKey ) {\r
uint8_t key[16] = {0x00};\r
- memcpy(key, datain, 16);\r
-\r
- uint8_t random_a[8] = {1,1,1,1,1,1,1,1 };\r
- uint8_t random_b[8] = {0x00};\r
- uint8_t enc_random_b[8] = {0x00};\r
- uint8_t rnd_ab[16] = {0x00};\r
- uint8_t IV[8] = {0x00};\r
+ memcpy(key, datain, sizeof(key) );\r
\r
- uint16_t len;\r
- uint8_t receivedAnswer[MAX_FRAME_SIZE];\r
- uint8_t receivedAnswerPar[MAX_PARITY_SIZE];\r
-\r
- len = mifare_sendcmd_short(NULL, 1, 0x1A, 0x00, receivedAnswer,receivedAnswerPar ,NULL);\r
- if (len != 11) {\r
- if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);\r
+ if ( !mifare_ultra_auth(key) ) {\r
OnError(1);\r
return;\r
}\r
+ }\r
\r
- // tag nonce.\r
- memcpy(enc_random_b,receivedAnswer+1,8);\r
-\r
- // decrypt nonce.\r
- tdes_2key_dec(random_b, enc_random_b, sizeof(random_b), key, IV );\r
- rol(random_b,8);\r
- memcpy(rnd_ab ,random_a,8);\r
- memcpy(rnd_ab+8,random_b,8);\r
-\r
- // encrypt out, in, length, key, iv\r
- tdes_2key_enc(rnd_ab, rnd_ab, sizeof(rnd_ab), key, enc_random_b);\r
+ // UL-EV1 / NTAG authentication\r
+ if (usePwd) {\r
+ uint8_t pwd[4] = {0x00};\r
+ memcpy(pwd, datain, sizeof(pwd));\r
+ uint8_t pack[4] = {0,0,0,0};\r
\r
- len = mifare_sendcmd_short_mfucauth(NULL, 1, 0xAF, rnd_ab, receivedAnswer, receivedAnswerPar, NULL);\r
- if (len != 11) {\r
+ if (!mifare_ul_ev1_auth(pwd, pack)){\r
OnError(1);\r
- return;\r
+ return; \r
}\r
-\r
- uint8_t enc_resp[8] = { 0 };\r
- uint8_t resp_random_a[8] = { 0 };\r
- memcpy(enc_resp, receivedAnswer+1, 8);\r
-\r
- // decrypt out, in, length, key, iv \r
- tdes_2key_dec(resp_random_a, enc_resp, 8, key, enc_random_b);\r
- if ( memcmp(resp_random_a, random_a, 8) != 0 )\r
- Dbprintf("failed authentication"); \r
}\r
\r
for (int i = 0; i < blocks; i++){\r
- len = mifare_ultra_readblock(blockNo * 4 + i, dataout + 4 * i);\r
+ if ((i*4) + 4 >= CARD_MEMORY_SIZE) {\r
+ Dbprintf("Data exceeds buffer!!");\r
+ break;\r
+ }\r
+ \r
+ len = mifare_ultra_readblock(blockNo + i, dataout + 4 * i);\r
\r
if (len) {\r
if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Read block %d error",i);\r
- OnError(2);\r
- return;\r
+ // if no blocks read - error out\r
+ if (i==0){\r
+ OnError(2);\r
+ return;\r
+ } else {\r
+ //stop at last successful read block and return what we got\r
+ break;\r
+ }\r
} else {\r
countblocks++;\r
}\r
\r
if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("Blocks read %d", countblocks);\r
\r
- len = blocks * 4;\r
+ countblocks *= 4;\r
\r
- cmd_send(CMD_ACK, 1, len, 0, dataout, len); \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
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)) {\r
if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
break;\r
};\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
-void MifareUWriteBlock_Special(uint8_t arg0, uint8_t *datain)\r
+*/\r
+\r
+// Arg0 : Block to write to.\r
+// Arg1 : 0 = use no authentication.\r
+// 1 = use 0x1A 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(uint8_t arg0, uint8_t arg1, uint8_t *datain)\r
{\r
uint8_t blockNo = arg0;\r
+ bool useKey = (arg1 == 1); //UL_C\r
+ bool usePwd = (arg1 == 2); //UL_EV1/NTAG\r
byte_t blockdata[4] = {0x00};\r
- \r
- memcpy(blockdata, datain,4);\r
\r
- uint8_t uid[10] = {0x00};\r
+ memcpy(blockdata, datain,4);\r
\r
- LED_A_ON(); LED_B_OFF(); LED_C_OFF();\r
- clear_trace();\r
+ LEDsoff();\r
+ LED_A_ON();\r
iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
\r
- if(!iso14443a_select_card(uid, NULL, NULL)) {\r
+ clear_trace();\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
- if(mifare_ultra_special_writeblock(blockNo, blockdata)) {\r
+ // UL-C authentication\r
+ if ( useKey ) {\r
+ uint8_t key[16] = {0x00};\r
+ memcpy(key, datain+4, sizeof(key) );\r
+\r
+ if ( !mifare_ultra_auth(key) ) {\r
+ OnError(1);\r
+ return;\r
+ }\r
+ }\r
+ \r
+ // UL-EV1 / NTAG authentication\r
+ if (usePwd) {\r
+ uint8_t pwd[4] = {0x00};\r
+ memcpy(pwd, datain+4, 4);\r
+ uint8_t pack[4] = {0,0,0,0};\r
+ if (!mifare_ul_ev1_auth(pwd, pack)) {\r
+ OnError(1);\r
+ return;\r
+ }\r
+ }\r
+\r
+ if(mifare_ultra_writeblock(blockNo, blockdata)) {\r
if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
OnError(0);\r
return;\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
+\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
\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)) {\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
+\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
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
\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
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
LED_B_OFF();\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
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
+ 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
// 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
ncount = 0;\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
}\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
+void MifareChkKeys(uint16_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
+ 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
int i;\r
byte_t isOK = 0;\r
uint8_t uid[10];\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
+ if (clearTrace) clear_trace();\r
+ set_tracing(true);\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
+// if(mifare_classic_halt(pcs, cuid)) {\r
+// if (MF_DBGLEVEL >= 1) Dbprintf("ChkKeys: Halt error");\r
+// }\r
+\r
+ // Iceman: use 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 (OLD_MF_DBGLEVEL >= 1) Dbprintf("ChkKeys: Can't select card");\r
+ --i; // try same key once again\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 (OLD_MF_DBGLEVEL >= 1) Dbprintf("ChkKeys: Can't select card (UID)");\r
+ --i; // try same key once again\r
+ continue;\r
+ }\r
}\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
-\r
ui64Key = bytes_to_num(datain + i * 6, 6);\r
if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {\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
continue;\r
- };\r
+ }\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
// 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
+ 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
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
+ 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)) {\r
isOK = false;\r
if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\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
- iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\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)) {\r
if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
break;\r
};\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
uint8_t workFlags = arg0;\r
uint8_t blockNo = arg2;\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
\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
cmd_send(CMD_ACK,isOK,0,0,0,0);\r
}\r
\r
- //\r
+//\r
// DESFIRE\r
//\r
\r
uint8_t uid[10] = {0x00};\r
uint32_t cuid;\r
\r
- clear_trace();\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);\r
if(!len) {\r
- if (MF_DBGLEVEL >= MF_DBG_ERROR) \r
- Dbprintf("Can't select card");\r
- //OnError(1);\r
+ if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card");\r
+ OnError(1);\r
return;\r
};\r
\r
if(mifare_desfire_des_auth1(cuid, dataout)){\r
- if (MF_DBGLEVEL >= MF_DBG_ERROR) \r
- Dbprintf("Authentication part1: Fail.");\r
- //OnError(4);\r
+ if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication part1: Fail.");\r
+ OnError(4);\r
return;\r
}\r
\r
if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 1 FINISHED");\r
- \r
cmd_send(CMD_ACK,1,cuid,0,dataout, sizeof(dataout));\r
}\r
\r
isOK = mifare_desfire_des_auth2(cuid, key, dataout);\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