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[proxmark3-svn] / armsrc / mifarecmd.c
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8556b852 1//-----------------------------------------------------------------------------\r
b62a5a84 2// Merlok - June 2011, 2012\r
8556b852
M		 3// Gerhard de Koning Gans - May 2008\r
4// Hagen Fritsch - June 2010\r
3fe4ff4f 5// Midnitesnake - Dec 2013\r
6// Andy Davies - Apr 2014\r
88e20c9f 7// Iceman - May 2014,2015,2016\r
8556b852
M		 8//\r
9// This code is licensed to you under the terms of the GNU GPL, version 2 or,\r
10// at your option, any later version. See the LICENSE.txt file for the text of\r
11// the license.\r
12//-----------------------------------------------------------------------------\r
13// Routines to support ISO 14443 type A.\r
14//-----------------------------------------------------------------------------\r
15\r
16#include "mifarecmd.h"\r
17#include "apps.h"\r
787b5bd8 18#include "util.h"\r
a631936e 19#include "crc.h"\r
c2731f37 20#include "protocols.h"\r
f8ada309 21#include "parity.h"\r
a631936e 22\r
8556b852 23//-----------------------------------------------------------------------------\r
baeaf579 24// Select, Authenticate, Read a MIFARE tag. \r
8556b852
M		 25// read block\r
26//-----------------------------------------------------------------------------\r
27void MifareReadBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)\r
28{\r
29 // params\r
30 uint8_t blockNo = arg0;\r
31 uint8_t keyType = arg1;\r
32 uint64_t ui64Key = 0;\r
33 ui64Key = bytes_to_num(datain, 6);\r
34 \r
35 // variables\r
36 byte_t isOK = 0;\r
d798d31c 37 byte_t dataoutbuf[16] = {0x00};\r
38 uint8_t uid[10] = {0x00};\r
39 uint32_t cuid = 0;\r
8556b852
M		 40 struct Crypto1State mpcs = {0, 0};\r
41 struct Crypto1State *pcs;\r
42 pcs = &mpcs;\r
43\r
7bc95e2e 44 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
8556b852 45\r
99cf19d9 46 clear_trace();\r
810f5379 47 set_tracing(true);\r
99cf19d9 48\r
8556b852
M		 49 LED_A_ON();\r
50 LED_B_OFF();\r
51 LED_C_OFF();\r
52\r
53 while (true) {\r
c188b1b9 54 if(!iso14443a_select_card(uid, NULL, &cuid, true, 0)) {\r
baeaf579 55 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
8556b852
M		 56 break;\r
57 };\r
58\r
59 if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {\r
baeaf579 60 if (MF_DBGLEVEL >= 1) Dbprintf("Auth error");\r
8556b852
M		 61 break;\r
62 };\r
63 \r
64 if(mifare_classic_readblock(pcs, cuid, blockNo, dataoutbuf)) {\r
baeaf579 65 if (MF_DBGLEVEL >= 1) Dbprintf("Read block error");\r
8556b852
M		 66 break;\r
67 };\r
68\r
69 if(mifare_classic_halt(pcs, cuid)) {\r
baeaf579 70 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
8556b852
M		 71 break;\r
72 };\r
73 \r
74 isOK = 1;\r
75 break;\r
76 }\r
77 \r
8556b852
M		 78 crypto1_destroy(pcs);\r
79 \r
80 if (MF_DBGLEVEL >= 2) DbpString("READ BLOCK FINISHED");\r
81\r
8556b852 82 LED_B_ON();\r
baeaf579 83 cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,16);\r
8556b852
M		 84 LED_B_OFF();\r
85\r
a631936e 86 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
87 LEDsoff();\r
88}\r
89\r
4d2e4eea 90void MifareUC_Auth(uint8_t arg0, uint8_t *keybytes){\r
a631936e 91\r
4d2e4eea 92 bool turnOffField = (arg0 == 1);\r
a631936e 93\r
aa60d156 94 LED_A_ON(); LED_B_OFF(); LED_C_OFF();\r
99cf19d9 95\r
a631936e 96 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
97\r
99cf19d9 98 clear_trace();\r
810f5379 99 set_tracing(true);\r
99cf19d9 100\r
c188b1b9 101 if(!iso14443a_select_card(NULL, NULL, NULL, true, 0)) {\r
aa60d156 102 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card");\r
0ec548dc 103 OnError(0);\r
a631936e 104 return;\r
105 };\r
106 \r
e7e95088 107 if(!mifare_ultra_auth(keybytes)){\r
4d2e4eea 108 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication failed");\r
0ec548dc 109 OnError(1);\r
a631936e 110 return;\r
111 }\r
112\r
4d2e4eea 113 if (turnOffField) {\r
114 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
115 LEDsoff();\r
cceabb79 116 }\r
9d87eb66 117 cmd_send(CMD_ACK,1,0,0,0,0);\r
7cc204bf 118}\r
119\r
8d53ea14 120// Arg0 = BlockNo,\r
121// Arg1 = UsePwd bool\r
75377d29 122// datain = PWD bytes,\r
0ec548dc 123void MifareUReadBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain)\r
7cc204bf 124{\r
7cc204bf 125 uint8_t blockNo = arg0;\r
787b5bd8 126 byte_t dataout[16] = {0x00};\r
4d2e4eea 127 bool useKey = (arg1 == 1); //UL_C\r
128 bool usePwd = (arg1 == 2); //UL_EV1/NTAG\r
8d53ea14 129\r
75377d29 130 LEDsoff();\r
131 LED_A_ON();\r
787b5bd8 132 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
f168b263 133\r
99cf19d9 134 clear_trace();\r
810f5379 135 set_tracing(true);\r
99cf19d9 136\r
c188b1b9 137 int len = iso14443a_select_card(NULL, NULL, NULL, true, 0);\r
787b5bd8 138 if(!len) {\r
aa60d156 139 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card (RC:%02X)",len);\r
0ec548dc 140 OnError(1);\r
787b5bd8 141 return;\r
aa60d156 142 }\r
f168b263 143\r
4d2e4eea 144 // UL-C authentication\r
145 if ( useKey ) {\r
8258f409 146 uint8_t key[16] = {0x00};\r
4d2e4eea 147 memcpy(key, datain, sizeof(key) );\r
148\r
e7e95088 149 if ( !mifare_ultra_auth(key) ) {\r
aa60d156 150 OnError(1);\r
f168b263 151 return;\r
0ec548dc 152 }\r
4d2e4eea 153 }\r
f168b263 154\r
4d2e4eea 155 // UL-EV1 / NTAG authentication\r
8258f409 156 if ( usePwd ) {\r
4d2e4eea 157 uint8_t pwd[4] = {0x00};\r
158 memcpy(pwd, datain, 4);\r
159 uint8_t pack[4] = {0,0,0,0};\r
e7e95088 160 if (!mifare_ul_ev1_auth(pwd, pack)) {\r
0ec548dc 161 OnError(1);\r
f168b263 162 return;\r
062b7cb9 163 }\r
8258f409 164 } \r
f168b263 165\r
aa60d156 166 if( mifare_ultra_readblock(blockNo, dataout) ) {\r
167 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Read block error");\r
0ec548dc 168 OnError(2);\r
787b5bd8 169 return;\r
aa60d156 170 }\r
8258f409 171\r
aa60d156 172 if( mifare_ultra_halt() ) {\r
173 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Halt error");\r
0ec548dc 174 OnError(3);\r
787b5bd8 175 return;\r
aa60d156 176 }\r
8258f409 177\r
787b5bd8 178 cmd_send(CMD_ACK,1,0,0,dataout,16);\r
7cc204bf 179 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
180 LEDsoff();\r
181}\r
e7e95088 182\r
7cc204bf 183//-----------------------------------------------------------------------------\r
baeaf579 184// Select, Authenticate, Read a MIFARE tag. \r
185// read sector (data = 4 x 16 bytes = 64 bytes, or 16 x 16 bytes = 256 bytes)\r
8556b852
M		 186//-----------------------------------------------------------------------------\r
187void MifareReadSector(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)\r
188{\r
189 // params\r
190 uint8_t sectorNo = arg0;\r
191 uint8_t keyType = arg1;\r
192 uint64_t ui64Key = 0;\r
193 ui64Key = bytes_to_num(datain, 6);\r
194 \r
195 // variables\r
3fe4ff4f 196 byte_t isOK = 0;\r
baeaf579 197 byte_t dataoutbuf[16 * 16];\r
d798d31c 198 uint8_t uid[10] = {0x00};\r
199 uint32_t cuid = 0;\r
8556b852
M		 200 struct Crypto1State mpcs = {0, 0};\r
201 struct Crypto1State *pcs;\r
202 pcs = &mpcs;\r
203\r
7bc95e2e 204 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
8556b852 205\r
99cf19d9 206 clear_trace();\r
810f5379 207 set_tracing(true);\r
208 \r
8556b852
M		 209 LED_A_ON();\r
210 LED_B_OFF();\r
211 LED_C_OFF();\r
212\r
baeaf579 213 isOK = 1;\r
c188b1b9 214 if(!iso14443a_select_card(uid, NULL, &cuid, true, 0)) {\r
baeaf579 215 isOK = 0;\r
8556b852 216 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
baeaf579 217 }\r
baeaf579 218 \r
e7e95088 219 \r
baeaf579 220 if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_FIRST)) {\r
221 isOK = 0;\r
8556b852 222 if (MF_DBGLEVEL >= 1) Dbprintf("Auth error");\r
baeaf579 223 }\r
224 \r
225 for (uint8_t blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) {\r
226 if(mifare_classic_readblock(pcs, cuid, FirstBlockOfSector(sectorNo) + blockNo, dataoutbuf + 16 * blockNo)) {\r
227 isOK = 0;\r
228 if (MF_DBGLEVEL >= 1) Dbprintf("Read sector %2d block %2d error", sectorNo, blockNo);\r
8556b852 229 break;\r
baeaf579 230 }\r
231 }\r
8556b852 232 \r
baeaf579 233 if(mifare_classic_halt(pcs, cuid)) {\r
8556b852 234 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
8556b852 235 }\r
baeaf579 236\r
8556b852
M		 237 if (MF_DBGLEVEL >= 2) DbpString("READ SECTOR FINISHED");\r
238\r
88e20c9f 239 crypto1_destroy(pcs);\r
240\r
8556b852 241 LED_B_ON();\r
baeaf579 242 cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,16*NumBlocksPerSector(sectorNo));\r
6e82300d 243 LED_B_OFF();\r
8556b852 244\r
8556b852
M		 245 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
246 LEDsoff();\r
88e20c9f 247 set_tracing(FALSE);\r
7cc204bf 248}\r
249\r
8d53ea14 250// arg0 = blockNo (start)\r
251// arg1 = Pages (number of blocks)\r
252// arg2 = useKey\r
253// datain = KEY bytes\r
254void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain)\r
7cc204bf 255{\r
99cf19d9 256 LEDsoff();\r
257 LED_A_ON();\r
258 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
259\r
0a0d9a58 260 // free eventually allocated BigBuf memory\r
aaa1a9a2 261 BigBuf_free(); BigBuf_Clear_ext(false);\r
0a0d9a58 262 clear_trace();\r
810f5379 263 set_tracing(true);\r
264 \r
0ec548dc 265 // params\r
8d53ea14 266 uint8_t blockNo = arg0;\r
267 uint16_t blocks = arg1;\r
4d2e4eea 268 bool useKey = (arg2 == 1); //UL_C\r
269 bool usePwd = (arg2 == 2); //UL_EV1/NTAG\r
e7e95088 270 uint32_t countblocks = 0;\r
0a0d9a58 271 uint8_t *dataout = BigBuf_malloc(CARD_MEMORY_SIZE);\r
272 if (dataout == NULL){\r
273 Dbprintf("out of memory");\r
274 OnError(1);\r
275 return;\r
276 }\r
7cc204bf 277\r
c188b1b9 278 int len = iso14443a_select_card(NULL, NULL, NULL, true, 0);\r
787b5bd8 279 if (!len) {\r
aa60d156 280 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card (RC:%d)",len);\r
0ec548dc 281 OnError(1);\r
787b5bd8 282 return;\r
283 }\r
75377d29 284\r
8258f409 285 // UL-C authentication\r
75377d29 286 if ( useKey ) {\r
287 uint8_t key[16] = {0x00};\r
8258f409 288 memcpy(key, datain, sizeof(key) );\r
75377d29 289\r
9d87eb66 290 if ( !mifare_ultra_auth(key) ) {\r
75377d29 291 OnError(1);\r
292 return;\r
293 }\r
75377d29 294 }\r
295\r
8258f409 296 // UL-EV1 / NTAG authentication\r
297 if (usePwd) {\r
298 uint8_t pwd[4] = {0x00};\r
299 memcpy(pwd, datain, sizeof(pwd));\r
cceabb79 300 uint8_t pack[4] = {0,0,0,0};\r
301\r
9d87eb66 302 if (!mifare_ul_ev1_auth(pwd, pack)){\r
cceabb79 303 OnError(1);\r
cceabb79 304 return; \r
305 }\r
306 }\r
307\r
75377d29 308 for (int i = 0; i < blocks; i++){\r
95aeb706 309 if ((i*4) + 4 >= CARD_MEMORY_SIZE) {\r
9d87eb66 310 Dbprintf("Data exceeds buffer!!");\r
311 break;\r
312 }\r
8d53ea14 313\r
e7e95088 314 len = mifare_ultra_readblock(blockNo + i, dataout + 4 * i);\r
787b5bd8 315 \r
316 if (len) {\r
aa60d156 317 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Read block %d error",i);\r
e7e95088 318 // if no blocks read - error out\r
319 if (i==0){\r
9d87eb66 320 OnError(2);\r
787b5bd8 321 return;\r
e7e95088 322 } else {\r
323 //stop at last successful read block and return what we got\r
324 break;\r
325 }\r
787b5bd8 326 } else {\r
4d2e4eea 327 countblocks++;\r
787b5bd8 328 }\r
329 }\r
75377d29 330\r
4d2e4eea 331 len = mifare_ultra_halt();\r
332 if (len) {\r
aa60d156 333 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Halt error");\r
0ec548dc 334 OnError(3);\r
787b5bd8 335 return;\r
336 }\r
7cc204bf 337\r
4d2e4eea 338 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("Blocks read %d", countblocks);\r
7cc204bf 339\r
e7e95088 340 countblocks *= 4;\r
95aeb706 341\r
0ce03d9a 342 cmd_send(CMD_ACK, 1, countblocks, BigBuf_max_traceLen(), 0, 0);\r
31d1caa5
MHS		 343 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
344 LEDsoff();\r
46cd801c 345 BigBuf_free();\r
88e20c9f 346 set_tracing(FALSE);\r
7cc204bf 347}\r
348\r
7cc204bf 349//-----------------------------------------------------------------------------\r
baeaf579 350// Select, Authenticate, Write a MIFARE tag. \r
7cc204bf 351// read block\r
8556b852
M		 352//-----------------------------------------------------------------------------\r
353void MifareWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)\r
354{\r
355 // params\r
356 uint8_t blockNo = arg0;\r
357 uint8_t keyType = arg1;\r
358 uint64_t ui64Key = 0;\r
d798d31c 359 byte_t blockdata[16] = {0x00};\r
8556b852
M		 360\r
361 ui64Key = bytes_to_num(datain, 6);\r
362 memcpy(blockdata, datain + 10, 16);\r
363 \r
364 // variables\r
365 byte_t isOK = 0;\r
d798d31c 366 uint8_t uid[10] = {0x00};\r
367 uint32_t cuid = 0;\r
8556b852
M		 368 struct Crypto1State mpcs = {0, 0};\r
369 struct Crypto1State *pcs;\r
370 pcs = &mpcs;\r
371\r
7bc95e2e 372 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
8556b852 373\r
99cf19d9 374 clear_trace();\r
810f5379 375 set_tracing(true);\r
376 \r
8556b852
M		 377 LED_A_ON();\r
378 LED_B_OFF();\r
379 LED_C_OFF();\r
380\r
381 while (true) {\r
f8850434 382 if(!iso14443a_select_card(uid, NULL, &cuid, true, 0)) {\r
8556b852
M		 383 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
384 break;\r
385 };\r
386\r
387 if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {\r
388 if (MF_DBGLEVEL >= 1) Dbprintf("Auth error");\r
389 break;\r
390 };\r
391 \r
392 if(mifare_classic_writeblock(pcs, cuid, blockNo, blockdata)) {\r
393 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
394 break;\r
395 };\r
396\r
397 if(mifare_classic_halt(pcs, cuid)) {\r
398 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
399 break;\r
400 };\r
401 \r
402 isOK = 1;\r
403 break;\r
404 }\r
405 \r
8556b852
M		 406 crypto1_destroy(pcs);\r
407 \r
408 if (MF_DBGLEVEL >= 2) DbpString("WRITE BLOCK FINISHED");\r
409\r
9492e0b0 410 cmd_send(CMD_ACK,isOK,0,0,0,0);\r
8556b852 411\r
8556b852
M		 412 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
413 LEDsoff();\r
88e20c9f 414 set_tracing(FALSE);\r
7cc204bf 415}\r
416\r
95aeb706 417/* // Command not needed but left for future testing \r
418void MifareUWriteBlockCompat(uint8_t arg0, uint8_t *datain)\r
7cc204bf 419{\r
f168b263 420 uint8_t blockNo = arg0;\r
787b5bd8 421 byte_t blockdata[16] = {0x00};\r
7cc204bf 422\r
f168b263 423 memcpy(blockdata, datain, 16);\r
424\r
787b5bd8 425 uint8_t uid[10] = {0x00};\r
7cc204bf 426\r
aa60d156 427 LED_A_ON(); LED_B_OFF(); LED_C_OFF();\r
7cc204bf 428\r
aa60d156 429 clear_trace();\r
810f5379 430 set_tracing(true);\r
aa60d156 431 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
7cc204bf 432\r
c188b1b9 433 if(!iso14443a_select_card(uid, NULL, NULL, true, 0)) {\r
aa60d156 434 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
435 OnError(0);\r
436 return;\r
437 };\r
438\r
95aeb706 439 if(mifare_ultra_writeblock_compat(blockNo, blockdata)) {\r
aa60d156 440 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
441 OnError(0);\r
442 return; };\r
443\r
444 if(mifare_ultra_halt()) {\r
445 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
446 OnError(0);\r
447 return;\r
448 };\r
f168b263 449\r
aa60d156 450 if (MF_DBGLEVEL >= 2) DbpString("WRITE BLOCK FINISHED");\r
7cc204bf 451\r
aa60d156 452 cmd_send(CMD_ACK,1,0,0,0,0);\r
453 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
454 LEDsoff();\r
7cc204bf 455}\r
95aeb706 456*/\r
7cc204bf 457\r
fff69a1e 458// Arg0 : Block to write to.\r
459// Arg1 : 0 = use no authentication.\r
460// 1 = use 0x1A authentication.\r
461// 2 = use 0x1B authentication.\r
462// datain : 4 first bytes is data to be written.\r
463// : 4/16 next bytes is authentication key.\r
95aeb706 464void MifareUWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain)\r
7cc204bf 465{\r
baeaf579 466 uint8_t blockNo = arg0;\r
fff69a1e 467 bool useKey = (arg1 == 1); //UL_C\r
468 bool usePwd = (arg1 == 2); //UL_EV1/NTAG\r
787b5bd8 469 byte_t blockdata[4] = {0x00};\r
7cc204bf 470\r
8258f409 471 memcpy(blockdata, datain,4);\r
aa60d156 472 \r
8d53ea14 473 LEDsoff();\r
474 LED_A_ON();\r
aa60d156 475 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
476\r
99cf19d9 477 clear_trace();\r
810f5379 478 set_tracing(true);\r
479 \r
c188b1b9 480 if(!iso14443a_select_card(NULL, NULL, NULL, true, 0)) {\r
aa60d156 481 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
482 OnError(0);\r
483 return;\r
484 };\r
7cc204bf 485\r
fff69a1e 486 // UL-C authentication\r
487 if ( useKey ) {\r
488 uint8_t key[16] = {0x00}; \r
489 memcpy(key, datain+4, sizeof(key) );\r
490\r
491 if ( !mifare_ultra_auth(key) ) {\r
492 OnError(1);\r
493 return; \r
494 }\r
495 }\r
496 \r
497 // UL-EV1 / NTAG authentication\r
498 if (usePwd) { \r
499 uint8_t pwd[4] = {0x00};\r
500 memcpy(pwd, datain+4, 4);\r
501 uint8_t pack[4] = {0,0,0,0};\r
502 if (!mifare_ul_ev1_auth(pwd, pack)) {\r
503 OnError(1);\r
504 return; \r
505 }\r
506 }\r
507 \r
95aeb706 508 if(mifare_ultra_writeblock(blockNo, blockdata)) {\r
aa60d156 509 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
510 OnError(0);\r
511 return;\r
512 };\r
513\r
514 if(mifare_ultra_halt()) {\r
515 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
516 OnError(0);\r
517 return;\r
518 };\r
519\r
520 if (MF_DBGLEVEL >= 2) DbpString("WRITE BLOCK FINISHED");\r
521\r
522 cmd_send(CMD_ACK,1,0,0,0,0);\r
523 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
524 LEDsoff();\r
88e20c9f 525 set_tracing(FALSE);\r
aa60d156 526}\r
527\r
528void MifareUSetPwd(uint8_t arg0, uint8_t *datain){\r
529 \r
530 uint8_t pwd[16] = {0x00};\r
531 byte_t blockdata[4] = {0x00};\r
532 \r
533 memcpy(pwd, datain, 16);\r
534 \r
535 LED_A_ON(); LED_B_OFF(); LED_C_OFF();\r
baeaf579 536 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
7cc204bf 537\r
99cf19d9 538 clear_trace();\r
810f5379 539 set_tracing(true);\r
540 \r
c188b1b9 541 if(!iso14443a_select_card(NULL, NULL, NULL, true, 0)) {\r
aa60d156 542 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
543 OnError(0);\r
544 return;\r
545 };\r
7cc204bf 546\r
aa60d156 547 blockdata[0] = pwd[7];\r
548 blockdata[1] = pwd[6];\r
549 blockdata[2] = pwd[5];\r
550 blockdata[3] = pwd[4];\r
95aeb706 551 if(mifare_ultra_writeblock( 44, blockdata)) {\r
aa60d156 552 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
553 OnError(44);\r
554 return;\r
555 };\r
7cc204bf 556\r
aa60d156 557 blockdata[0] = pwd[3];\r
558 blockdata[1] = pwd[2];\r
559 blockdata[2] = pwd[1];\r
560 blockdata[3] = pwd[0];\r
95aeb706 561 if(mifare_ultra_writeblock( 45, blockdata)) {\r
aa60d156 562 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
563 OnError(45);\r
564 return;\r
565 };\r
7cc204bf 566\r
aa60d156 567 blockdata[0] = pwd[15];\r
568 blockdata[1] = pwd[14];\r
569 blockdata[2] = pwd[13];\r
570 blockdata[3] = pwd[12];\r
95aeb706 571 if(mifare_ultra_writeblock( 46, blockdata)) {\r
aa60d156 572 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
573 OnError(46);\r
574 return;\r
575 };\r
7cc204bf 576\r
aa60d156 577 blockdata[0] = pwd[11];\r
578 blockdata[1] = pwd[10];\r
579 blockdata[2] = pwd[9];\r
580 blockdata[3] = pwd[8];\r
95aeb706 581 if(mifare_ultra_writeblock( 47, blockdata)) {\r
aa60d156 582 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
583 OnError(47);\r
584 return;\r
585 }; \r
7cc204bf 586\r
aa60d156 587 if(mifare_ultra_halt()) {\r
588 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
589 OnError(0);\r
590 return;\r
591 };\r
7cc204bf 592\r
aa60d156 593 cmd_send(CMD_ACK,1,0,0,0,0);\r
baeaf579 594 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
595 LEDsoff();\r
88e20c9f 596 set_tracing(FALSE);\r
7cc204bf 597}\r
598\r
599// Return 1 if the nonce is invalid else return 0\r
6a1f2d82 600int valid_nonce(uint32_t Nt, uint32_t NtEnc, uint32_t Ks1, uint8_t *parity) {\r
f8ada309 601 return ((oddparity8((Nt >> 24) & 0xFF) == ((parity[0]) ^ oddparity8((NtEnc >> 24) & 0xFF) ^ BIT(Ks1,16))) & \\r
602 (oddparity8((Nt >> 16) & 0xFF) == ((parity[1]) ^ oddparity8((NtEnc >> 16) & 0xFF) ^ BIT(Ks1,8))) & \\r
603 (oddparity8((Nt >> 8) & 0xFF) == ((parity[2]) ^ oddparity8((NtEnc >> 8) & 0xFF) ^ BIT(Ks1,0)))) ? 1 : 0;\r
8556b852
M		 604}\r
605\r
9492e0b0 606\r
c188b1b9 607//-----------------------------------------------------------------------------\r
608// acquire encrypted nonces in order to perform the attack described in\r
609// Carlo Meijer, Roel Verdult, "Ciphertext-only Cryptanalysis on Hardened\r
610// Mifare Classic Cards" in Proceedings of the 22nd ACM SIGSAC Conference on \r
611// Computer and Communications Security, 2015\r
612//-----------------------------------------------------------------------------\r
8d61d9b1 613#define AUTHENTICATION_TIMEOUT 848 //848 // card times out 1ms after wrong authentication (according to NXP documentation)\r
86d597a5 614#define PRE_AUTHENTICATION_LEADTIME 400 // some (non standard) cards need a pause after select before they are ready for first authentication \r
615\r
c188b1b9 616void MifareAcquireEncryptedNonces(uint32_t arg0, uint32_t arg1, uint32_t flags, uint8_t *datain)\r
617{\r
618 uint64_t ui64Key = 0;\r
d798d31c 619 uint8_t uid[10] = {0x00};\r
4a71da5a 620 uint32_t cuid = 0;\r
c188b1b9 621 uint8_t cascade_levels = 0;\r
622 struct Crypto1State mpcs = {0, 0};\r
623 struct Crypto1State *pcs;\r
624 pcs = &mpcs;\r
d798d31c 625 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE] = {0x00};\r
c188b1b9 626 int16_t isOK = 0;\r
d798d31c 627 uint8_t par_enc[1] = {0x00};\r
c188b1b9 628 uint8_t nt_par_enc = 0;\r
d798d31c 629 uint8_t buf[USB_CMD_DATA_SIZE] = {0x00};\r
630 uint32_t timeout = 0;\r
c188b1b9 631 \r
632 uint8_t blockNo = arg0 & 0xff;\r
633 uint8_t keyType = (arg0 >> 8) & 0xff;\r
634 uint8_t targetBlockNo = arg1 & 0xff;\r
635 uint8_t targetKeyType = (arg1 >> 8) & 0xff;\r
636 ui64Key = bytes_to_num(datain, 6);\r
637 bool initialize = flags & 0x0001;\r
638 bool slow = flags & 0x0002;\r
639 bool field_off = flags & 0x0004;\r
640 \r
c188b1b9 641 LED_A_ON();\r
642 LED_C_OFF();\r
643\r
77f3f9ff 644 BigBuf_free(); BigBuf_Clear_ext(false); \r
645 clear_trace();\r
646 set_tracing(FALSE);\r
647 \r
c188b1b9 648 if (initialize) {\r
649 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
c188b1b9 650 }\r
77f3f9ff 651 \r
c188b1b9 652 LED_C_ON();\r
653 \r
77f3f9ff 654 uint8_t dummy_answer = 0; \r
c188b1b9 655 uint16_t num_nonces = 0;\r
656 bool have_uid = false;\r
657 for (uint16_t i = 0; i <= USB_CMD_DATA_SIZE - 9; ) {\r
658\r
659 // Test if the action was cancelled\r
660 if(BUTTON_PRESS()) {\r
661 isOK = 2;\r
662 field_off = true;\r
663 break;\r
664 }\r
665\r
666 if (!have_uid) { // need a full select cycle to get the uid first\r
667 iso14a_card_select_t card_info; \r
668 if(!iso14443a_select_card(uid, &card_info, &cuid, true, 0)) {\r
669 if (MF_DBGLEVEL >= 1) Dbprintf("AcquireNonces: Can't select card (ALL)");\r
670 continue;\r
671 }\r
672 switch (card_info.uidlen) {\r
673 case 4 : cascade_levels = 1; break;\r
674 case 7 : cascade_levels = 2; break;\r
675 case 10: cascade_levels = 3; break;\r
676 default: break;\r
677 }\r
678 have_uid = true; \r
679 } else { // no need for anticollision. We can directly select the card\r
680 if(!iso14443a_select_card(uid, NULL, NULL, false, cascade_levels)) {\r
681 if (MF_DBGLEVEL >= 1) Dbprintf("AcquireNonces: Can't select card (UID)");\r
682 continue;\r
683 }\r
684 }\r
685 \r
686 if (slow) {\r
687 timeout = GetCountSspClk() + PRE_AUTHENTICATION_LEADTIME;\r
688 while(GetCountSspClk() < timeout);\r
689 }\r
690\r
691 uint32_t nt1;\r
692 if (mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1, NULL)) {\r
693 if (MF_DBGLEVEL >= 1) Dbprintf("AcquireNonces: Auth1 error");\r
694 continue;\r
695 }\r
696\r
697 // nested authentication\r
698 uint16_t len = mifare_sendcmd_short(pcs, AUTH_NESTED, 0x60 + (targetKeyType & 0x01), targetBlockNo, receivedAnswer, par_enc, NULL);\r
699 if (len != 4) {\r
700 if (MF_DBGLEVEL >= 1) Dbprintf("AcquireNonces: Auth2 error len=%d", len);\r
701 continue;\r
702 }\r
703 \r
704 // send a dummy byte as reader response in order to trigger the cards authentication timeout\r
c188b1b9 705 ReaderTransmit(&dummy_answer, 1, NULL);\r
706 timeout = GetCountSspClk() + AUTHENTICATION_TIMEOUT;\r
707 \r
708 num_nonces++;\r
709 if (num_nonces % 2) {\r
710 memcpy(buf+i, receivedAnswer, 4);\r
711 nt_par_enc = par_enc[0] & 0xf0;\r
712 } else {\r
0b53530a 713 nt_par_enc |= par_enc[0] >> 4;\r
c188b1b9 714 memcpy(buf+i+4, receivedAnswer, 4);\r
715 memcpy(buf+i+8, &nt_par_enc, 1);\r
716 i += 9;\r
717 }\r
c188b1b9 718 // wait for the card to become ready again\r
68410a48 719 while(GetCountSspClk() < timeout); \r
c188b1b9 720 }\r
721\r
722 LED_C_OFF();\r
0b53530a 723 crypto1_destroy(pcs); \r
c188b1b9 724 LED_B_ON();\r
725 cmd_send(CMD_ACK, isOK, cuid, num_nonces, buf, sizeof(buf));\r
726 LED_B_OFF();\r
727\r
728 if (MF_DBGLEVEL >= 3) DbpString("AcquireEncryptedNonces finished");\r
729\r
730 if (field_off) {\r
731 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
732 LEDsoff();\r
77f3f9ff 733 set_tracing(FALSE);\r
c188b1b9 734 }\r
735}\r
736\r
737\r
8556b852
M		 738//-----------------------------------------------------------------------------\r
739// MIFARE nested authentication. \r
740// \r
741//-----------------------------------------------------------------------------\r
9492e0b0 742void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *datain)\r
8556b852
M		 743{\r
744 // params\r
9492e0b0 745 uint8_t blockNo = arg0 & 0xff;\r
746 uint8_t keyType = (arg0 >> 8) & 0xff;\r
747 uint8_t targetBlockNo = arg1 & 0xff;\r
748 uint8_t targetKeyType = (arg1 >> 8) & 0xff;\r
8556b852
M		 749 uint64_t ui64Key = 0;\r
750\r
751 ui64Key = bytes_to_num(datain, 6);\r
752 \r
753 // variables\r
9492e0b0 754 uint16_t rtr, i, j, len;\r
d798d31c 755 uint16_t davg = 0;\r
9492e0b0 756 static uint16_t dmin, dmax;\r
d798d31c 757 uint8_t uid[10] = {0x00};\r
5ebcb867 758 uint32_t cuid = 0, nt1, nt2, nttmp, nttest, ks1;\r
d798d31c 759 uint8_t par[1] = {0x00};\r
760 uint32_t target_nt[2] = {0x00}, target_ks[2] = {0x00};\r
9492e0b0 761 \r
d798d31c 762 uint8_t par_array[4] = {0x00};\r
9492e0b0 763 uint16_t ncount = 0;\r
8556b852
M		 764 struct Crypto1State mpcs = {0, 0};\r
765 struct Crypto1State *pcs;\r
766 pcs = &mpcs;\r
5ebcb867 767 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE] = {0x00};\r
8556b852 768\r
9492e0b0 769 uint32_t auth1_time, auth2_time;\r
7504dc50 770 static uint16_t delta_time = 0;\r
9492e0b0 771\r
99cf19d9 772 LED_A_ON();\r
773 LED_C_OFF();\r
774 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
775\r
f71f4deb 776 // free eventually allocated BigBuf memory\r
aaa1a9a2 777 BigBuf_free(); BigBuf_Clear_ext(false);\r
778 \r
b10a759f 779 if (calibrate) clear_trace();\r
780 set_tracing(true);\r
8556b852 781\r
9492e0b0 782 // statistics on nonce distance\r
c830303d 783 int16_t isOK = 0;\r
784 #define NESTED_MAX_TRIES 12\r
785 uint16_t unsuccessfull_tries = 0;\r
9492e0b0 786 if (calibrate) { // for first call only. Otherwise reuse previous calibration\r
787 LED_B_ON();\r
3fe4ff4f 788 WDT_HIT();\r
8556b852 789\r
9492e0b0 790 davg = dmax = 0;\r
791 dmin = 2000;\r
792 delta_time = 0;\r
8556b852 793 \r
9492e0b0 794 for (rtr = 0; rtr < 17; rtr++) {\r
8556b852 795\r
c830303d 796 // Test if the action was cancelled\r
797 if(BUTTON_PRESS()) {\r
798 isOK = -2;\r
799 break;\r
800 }\r
801\r
9492e0b0 802 // prepare next select. No need to power down the card.\r
803 if(mifare_classic_halt(pcs, cuid)) {\r
804 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Halt error");\r
805 rtr--;\r
806 continue;\r
807 }\r
808\r
c188b1b9 809 if(!iso14443a_select_card(uid, NULL, &cuid, true, 0)) {\r
9492e0b0 810 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Can't select card");\r
811 rtr--;\r
812 continue;\r
813 };\r
814\r
815 auth1_time = 0;\r
816 if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1, &auth1_time)) {\r
817 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth1 error");\r
818 rtr--;\r
819 continue;\r
820 };\r
7504dc50 821 auth2_time = (delta_time) ? auth1_time + delta_time : 0;\r
9492e0b0 822\r
9492e0b0 823 if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_NESTED, &nt2, &auth2_time)) {\r
824 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth2 error");\r
825 rtr--;\r
826 continue;\r
827 };\r
828\r
b19bd5d6 829 nttmp = prng_successor(nt1, 100); //NXP Mifare is typical around 840,but for some unlicensed/compatible mifare card this can be 160\r
830 for (i = 101; i < 1200; i++) {\r
2abdfa49 831 nttmp = prng_successor(nttmp, 1);\r
9492e0b0 832 if (nttmp == nt2) break;\r
833 }\r
834\r
835 if (i != 1200) {\r
836 if (rtr != 0) {\r
837 davg += i;\r
838 dmin = MIN(dmin, i);\r
839 dmax = MAX(dmax, i);\r
840 }\r
841 else {\r
842 delta_time = auth2_time - auth1_time + 32; // allow some slack for proper timing\r
843 }\r
844 if (MF_DBGLEVEL >= 3) Dbprintf("Nested: calibrating... ntdist=%d", i);\r
c830303d 845 } else {\r
846 unsuccessfull_tries++;\r
847 if (unsuccessfull_tries > NESTED_MAX_TRIES) { // card isn't vulnerable to nested attack (random numbers are not predictable)\r
848 isOK = -3;\r
849 }\r
9492e0b0 850 }\r
8556b852 851 }\r
8556b852 852\r
9492e0b0 853 davg = (davg + (rtr - 1)/2) / (rtr - 1);\r
854 \r
c830303d 855 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
8556b852 856\r
9492e0b0 857 dmin = davg - 2;\r
858 dmax = davg + 2;\r
859 \r
860 LED_B_OFF();\r
9492e0b0 861 }\r
8556b852
M		 862// ------------------------------------------------------------------------------------------------- \r
863 \r
864 LED_C_ON();\r
865\r
866 // get crypted nonces for target sector\r
c830303d 867 for(i=0; i < 2 && !isOK; i++) { // look for exactly two different nonces\r
8556b852 868\r
9492e0b0 869 target_nt[i] = 0;\r
870 while(target_nt[i] == 0) { // continue until we have an unambiguous nonce\r
8556b852 871 \r
9492e0b0 872 // prepare next select. No need to power down the card.\r
873 if(mifare_classic_halt(pcs, cuid)) {\r
874 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Halt error");\r
875 continue;\r
876 }\r
8556b852 877\r
c188b1b9 878 if(!iso14443a_select_card(uid, NULL, &cuid, true, 0)) {\r
9492e0b0 879 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Can't select card");\r
880 continue;\r
881 };\r
8556b852 882 \r
9492e0b0 883 auth1_time = 0;\r
884 if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1, &auth1_time)) {\r
885 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth1 error");\r
886 continue;\r
887 };\r
8556b852 888\r
9492e0b0 889 // nested authentication\r
890 auth2_time = auth1_time + delta_time;\r
7504dc50 891\r
2d2f7d19 892 len = mifare_sendcmd_short(pcs, AUTH_NESTED, 0x60 + (targetKeyType & 0x01), targetBlockNo, receivedAnswer, par, &auth2_time);\r
9492e0b0 893 if (len != 4) {\r
894 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth2 error len=%d", len);\r
895 continue;\r
896 };\r
8556b852 897 \r
9492e0b0 898 nt2 = bytes_to_num(receivedAnswer, 4); \r
6a1f2d82 899 if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: Testing nt1=%08x nt2enc=%08x nt2par=%02x", i+1, nt1, nt2, par[0]);\r
8556b852 900 \r
9492e0b0 901 // Parity validity check\r
7504dc50 902// for (j = 0; j < 4; j++) {\r
903// par_array[j] = (oddparity8(receivedAnswer[j]) != ((par[0] >> (7-j)) & 0x01));\r
904// }\r
905 par_array[0] = (oddparity8(receivedAnswer[0]) != ((par[0] >> (7-0)) & 0x01));\r
906 par_array[1] = (oddparity8(receivedAnswer[1]) != ((par[0] >> (7-1)) & 0x01));\r
907 par_array[2] = (oddparity8(receivedAnswer[2]) != ((par[0] >> (7-2)) & 0x01));\r
908 par_array[3] = (oddparity8(receivedAnswer[3]) != ((par[0] >> (7-3)) & 0x01));\r
9492e0b0 909 \r
910 ncount = 0;\r
911 nttest = prng_successor(nt1, dmin - 1);\r
912 for (j = dmin; j < dmax + 1; j++) {\r
2abdfa49 913 nttest = prng_successor(nttest, 1);\r
9492e0b0 914 ks1 = nt2 ^ nttest;\r
915\r
916 if (valid_nonce(nttest, nt2, ks1, par_array)){\r
917 if (ncount > 0) { // we are only interested in disambiguous nonces, try again\r
918 if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: dismissed (ambigous), ntdist=%d", i+1, j);\r
919 target_nt[i] = 0;\r
920 break;\r
921 }\r
922 target_nt[i] = nttest;\r
923 target_ks[i] = ks1;\r
924 ncount++;\r
925 if (i == 1 && target_nt[1] == target_nt[0]) { // we need two different nonces\r
926 target_nt[i] = 0;\r
927 if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#2: dismissed (= nonce#1), ntdist=%d", j);\r
8556b852
M		 928 break;\r
929 }\r
9492e0b0 930 if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: valid, ntdist=%d", i+1, j);\r
8556b852 931 }\r
8556b852 932 }\r
9492e0b0 933 if (target_nt[i] == 0 && j == dmax+1 && MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: dismissed (all invalid)", i+1);\r
8556b852
M		 934 }\r
935 }\r
936\r
937 LED_C_OFF();\r
938 \r
8556b852
M		 939 crypto1_destroy(pcs);\r
940 \r
7504dc50 941 byte_t buf[4 + 4 * 4] = {0};\r
82885445 942 memcpy(buf, &cuid, 4);\r
9492e0b0 943 memcpy(buf+4, &target_nt[0], 4);\r
944 memcpy(buf+8, &target_ks[0], 4);\r
945 memcpy(buf+12, &target_nt[1], 4);\r
946 memcpy(buf+16, &target_ks[1], 4);\r
8556b852
M		 947 \r
948 LED_B_ON();\r
c830303d 949 cmd_send(CMD_ACK, isOK, 0, targetBlockNo + (targetKeyType * 0x100), buf, sizeof(buf));\r
6e82300d 950 LED_B_OFF();\r
8556b852 951\r
9492e0b0 952 if (MF_DBGLEVEL >= 3) DbpString("NESTED FINISHED");\r
8556b852 953\r
8556b852
M		 954 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
955 LEDsoff();\r
5ee53a0e 956 set_tracing(FALSE);\r
8556b852
M		 957}\r
958\r
959//-----------------------------------------------------------------------------\r
9492e0b0 960// MIFARE check keys. key count up to 85. \r
8556b852
M		 961// \r
962//-----------------------------------------------------------------------------\r
86d597a5 963void MifareChkKeys(uint16_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain) {\r
b10a759f 964 uint8_t blockNo = arg0 & 0xff;\r
965 uint8_t keyType = (arg0 >> 8) & 0xff;\r
966 bool clearTrace = arg1;\r
8556b852
M		 967 uint8_t keyCount = arg2;\r
968 uint64_t ui64Key = 0;\r
969 \r
86d597a5 970 bool have_uid = FALSE;\r
971 uint8_t cascade_levels = 0;\r
972 uint32_t timeout = 0;\r
973 \r
8556b852
M		 974 int i;\r
975 byte_t isOK = 0;\r
d798d31c 976 uint8_t uid[10] = {0x00};\r
977 uint32_t cuid = 0;\r
8556b852
M		 978 struct Crypto1State mpcs = {0, 0};\r
979 struct Crypto1State *pcs;\r
980 pcs = &mpcs;\r
981 \r
2abdfa49 982 // save old debuglevel, and tempory turn off dbg printing. speedissues.\r
8556b852
M		 983 int OLD_MF_DBGLEVEL = MF_DBGLEVEL; \r
984 MF_DBGLEVEL = MF_DBG_NONE;\r
985 \r
7504dc50 986 LEDsoff();\r
8556b852 987 LED_A_ON();\r
7504dc50 988 \r
99cf19d9 989 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
990\r
810f5379 991 if (clearTrace) \r
992 clear_trace();\r
993 \r
99cf19d9 994 set_tracing(TRUE);\r
2abdfa49 995 \r
65c2d21d 996 for (i = 0; i < keyCount; ++i) {\r
8556b852 997\r
86d597a5 998 //mifare_classic_halt(pcs, cuid);\r
8556b852 999\r
86d597a5 1000 // this part is from Piwi's faster nonce collecting part in Hardnested.\r
1001 if (!have_uid) { // need a full select cycle to get the uid first\r
1002 iso14a_card_select_t card_info; \r
1003 if(!iso14443a_select_card(uid, &card_info, &cuid, true, 0)) {\r
1004 if (MF_DBGLEVEL >= 1) Dbprintf("ChkKeys: Can't select card (ALL)");\r
1005 break;\r
1006 }\r
1007 switch (card_info.uidlen) {\r
1008 case 4 : cascade_levels = 1; break;\r
1009 case 7 : cascade_levels = 2; break;\r
1010 case 10: cascade_levels = 3; break;\r
1011 default: break;\r
1012 }\r
1013 have_uid = TRUE; \r
1014 } else { // no need for anticollision. We can directly select the card\r
1015 if(!iso14443a_select_card(uid, NULL, NULL, false, cascade_levels)) {\r
1016 if (MF_DBGLEVEL >= 1) Dbprintf("ChkKeys: Can't select card (UID)");\r
1017 continue;\r
1018 }\r
1019 }\r
1020 \r
8556b852 1021 ui64Key = bytes_to_num(datain + i * 6, 6);\r
2abdfa49 1022 \r
86d597a5 1023 if (mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {\r
1024\r
1025 uint8_t dummy_answer = 0;\r
1026 ReaderTransmit(&dummy_answer, 1, NULL);\r
1027 timeout = GetCountSspClk() + AUTHENTICATION_TIMEOUT;\r
1028 \r
1029 // wait for the card to become ready again\r
1030 while(GetCountSspClk() < timeout);\r
1031 \r
8556b852 1032 continue;\r
86d597a5 1033 }\r
8556b852
M		 1034 isOK = 1;\r
1035 break;\r
1036 }\r
8556b852 1037 \r
8556b852 1038 LED_B_ON();\r
2abdfa49 1039 cmd_send(CMD_ACK, isOK, 0, 0, datain + i * 6, 6);\r
838c15a6 1040\r
2abdfa49 1041 // restore debug level\r
1042 MF_DBGLEVEL = OLD_MF_DBGLEVEL; \r
1043 \r
8556b852
M		 1044 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
1045 LEDsoff();\r
5ee53a0e 1046 set_tracing(FALSE);\r
838c15a6 1047 crypto1_destroy(pcs);\r
8556b852
M		 1048}\r
1049\r
1050//-----------------------------------------------------------------------------\r
1051// MIFARE commands set debug level\r
1052// \r
1053//-----------------------------------------------------------------------------\r
1054void MifareSetDbgLvl(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
1055 MF_DBGLEVEL = arg0;\r
1056 Dbprintf("Debug level: %d", MF_DBGLEVEL);\r
1057}\r
1058\r
1059//-----------------------------------------------------------------------------\r
1060// Work with emulator memory\r
1061// \r
99cf19d9 1062// Note: we call FpgaDownloadAndGo(FPGA_BITSTREAM_HF) here although FPGA is not\r
1063// involved in dealing with emulator memory. But if it is called later, it might\r
1064// destroy the Emulator Memory.\r
8556b852 1065//-----------------------------------------------------------------------------\r
99cf19d9 1066\r
8556b852 1067void MifareEMemClr(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
99cf19d9 1068 FpgaDownloadAndGo(FPGA_BITSTREAM_HF);\r
8556b852
M		 1069 emlClearMem();\r
1070}\r
1071\r
1072void MifareEMemSet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
99cf19d9 1073 FpgaDownloadAndGo(FPGA_BITSTREAM_HF);\r
9332b857 1074 if (arg2==0) arg2 = 16; // backwards compat... default bytewidth\r
0de8e387 1075 emlSetMem_xt(datain, arg0, arg1, arg2); // data, block num, blocks count, block byte width\r
8556b852
M		 1076}\r
1077\r
1078void MifareEMemGet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
99cf19d9 1079 FpgaDownloadAndGo(FPGA_BITSTREAM_HF);\r
d798d31c 1080 byte_t buf[USB_CMD_DATA_SIZE] = {0x00};\r
baeaf579 1081 emlGetMem(buf, arg0, arg1); // data, block num, blocks count (max 4)\r
8556b852
M		 1082\r
1083 LED_B_ON();\r
3fe4ff4f 1084 cmd_send(CMD_ACK,arg0,arg1,0,buf,USB_CMD_DATA_SIZE);\r
8556b852
M		 1085 LED_B_OFF();\r
1086}\r
1087\r
1088//-----------------------------------------------------------------------------\r
1089// Load a card into the emulator memory\r
1090// \r
1091//-----------------------------------------------------------------------------\r
1092void MifareECardLoad(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
baeaf579 1093 uint8_t numSectors = arg0;\r
8556b852
M		 1094 uint8_t keyType = arg1;\r
1095 uint64_t ui64Key = 0;\r
d798d31c 1096 uint32_t cuid = 0;\r
8556b852
M		 1097 struct Crypto1State mpcs = {0, 0};\r
1098 struct Crypto1State *pcs;\r
1099 pcs = &mpcs;\r
1100\r
1101 // variables\r
d798d31c 1102 byte_t dataoutbuf[16] = {0x00};\r
1103 byte_t dataoutbuf2[16] = {0x00};\r
1104 uint8_t uid[10] = {0x00};\r
8556b852 1105\r
8556b852
M		 1106 LED_A_ON();\r
1107 LED_B_OFF();\r
1108 LED_C_OFF();\r
99cf19d9 1109 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
1110 \r
1111 clear_trace();\r
5ee53a0e 1112 set_tracing(TRUE);\r
8556b852 1113 \r
baeaf579 1114 bool isOK = true;\r
1115\r
c188b1b9 1116 if(!iso14443a_select_card(uid, NULL, &cuid, true, 0)) {\r
baeaf579 1117 isOK = false;\r
1118 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
1119 }\r
8556b852 1120 \r
baeaf579 1121 for (uint8_t sectorNo = 0; isOK && sectorNo < numSectors; sectorNo++) {\r
1122 ui64Key = emlGetKey(sectorNo, keyType);\r
1123 if (sectorNo == 0){\r
1124 if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_FIRST)) {\r
1125 isOK = false;\r
1126 if (MF_DBGLEVEL >= 1) Dbprintf("Sector[%2d]. Auth error", sectorNo);\r
8556b852 1127 break;\r
baeaf579 1128 }\r
1129 } else {\r
1130 if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_NESTED)) {\r
1131 isOK = false;\r
1132 if (MF_DBGLEVEL >= 1) Dbprintf("Sector[%2d]. Auth nested error", sectorNo);\r
8556b852 1133 break;\r
baeaf579 1134 }\r
1135 }\r
1136 \r
1137 for (uint8_t blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) {\r
1138 if(isOK && mifare_classic_readblock(pcs, cuid, FirstBlockOfSector(sectorNo) + blockNo, dataoutbuf)) {\r
1139 isOK = false;\r
1140 if (MF_DBGLEVEL >= 1) Dbprintf("Error reading sector %2d block %2d", sectorNo, blockNo);\r
ab8b654e 1141 break;\r
d798d31c 1142 }\r
baeaf579 1143 if (isOK) {\r
1144 if (blockNo < NumBlocksPerSector(sectorNo) - 1) {\r
1145 emlSetMem(dataoutbuf, FirstBlockOfSector(sectorNo) + blockNo, 1);\r
1146 } else { // sector trailer, keep the keys, set only the AC\r
1147 emlGetMem(dataoutbuf2, FirstBlockOfSector(sectorNo) + blockNo, 1);\r
1148 memcpy(&dataoutbuf2[6], &dataoutbuf[6], 4);\r
1149 emlSetMem(dataoutbuf2, FirstBlockOfSector(sectorNo) + blockNo, 1);\r
1150 }\r
1151 }\r
8556b852
M		 1152 }\r
1153\r
baeaf579 1154 }\r
1155\r
d798d31c 1156 if(mifare_classic_halt(pcs, cuid))\r
1157 if (MF_DBGLEVEL >= 1)\r
1158 Dbprintf("Halt error");\r
8556b852
M		 1159\r
1160 // ----------------------------- crypto1 destroy\r
1161 crypto1_destroy(pcs);\r
ab8b654e
M		 1162\r
1163 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
1164 LEDsoff();\r
8556b852
M		 1165 \r
1166 if (MF_DBGLEVEL >= 2) DbpString("EMUL FILL SECTORS FINISHED");\r
1167\r
5ee53a0e 1168 set_tracing(FALSE);\r
8556b852
M		 1169}\r
1170\r
0675f200
M		 1171\r
1172//-----------------------------------------------------------------------------\r
1173// Work with "magic Chinese" card (email him: ouyangweidaxian@live.cn)\r
1174// \r
c2731f37 1175// PARAMS - workFlags\r
1176// bit 0 - need get UID\r
1177// bit 1 - need wupC\r
1178// bit 2 - need HALT after sequence\r
1179// bit 3 - need turn on FPGA before sequence\r
1180// bit 4 - need turn off FPGA\r
1181// bit 5 - need to set datain instead of issuing USB reply (called via ARM for StandAloneMode14a)\r
1182// bit 6 - wipe tag.\r
0675f200 1183//-----------------------------------------------------------------------------\r
c2731f37 1184// magic uid card generation 1 commands\r
1185uint8_t wupC1[] = { MIFARE_MAGICWUPC1 }; \r
1186uint8_t wupC2[] = { MIFARE_MAGICWUPC2 }; \r
1187uint8_t wipeC[] = { MIFARE_MAGICWIPEC }; \r
1188 \r
1189void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint8_t *datain){\r
0675f200 1190 \r
c2731f37 1191 // params\r
1192 uint8_t workFlags = arg0;\r
1193 uint8_t blockNo = arg1;\r
0675f200 1194 \r
0675f200 1195 // variables\r
6a18e46f 1196 bool isOK = false; //assume we will get an error\r
1197 uint8_t errormsg = 0x00;\r
3fe4ff4f 1198 uint8_t uid[10] = {0x00};\r
c2731f37 1199 uint8_t data[18] = {0x00};\r
d798d31c 1200 uint32_t cuid = 0;\r
0675f200 1201 \r
6a18e46f 1202 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE] = {0x00};\r
1203 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE] = {0x00};\r
6a1f2d82 1204\r
c2731f37 1205 if (workFlags & MAGIC_INIT) {\r
208a0166
M		 1206 LED_A_ON();\r
1207 LED_B_OFF();\r
99cf19d9 1208 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
3000dc4e
MHS		 1209 clear_trace();\r
1210 set_tracing(TRUE);\r
208a0166 1211 }\r
0675f200 1212\r
6a18e46f 1213 //loop doesn't loop just breaks out if error\r
1214 while (true) {\r
1215 // read UID and return to client with write\r
1216 if (workFlags & MAGIC_UID) {\r
1217 if(!iso14443a_select_card(uid, NULL, &cuid, true, 0)) {\r
1218 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card");\r
1219 errormsg = MAGIC_UID;\r
6a18e46f 1220 }\r
d2094433 1221 mifare_classic_halt_ex(NULL);\r
1222 break;\r
9332b857 1223 }\r
0675f200 1224 \r
6a18e46f 1225 // wipe tag, fill it with zeros\r
1226 if (workFlags & MAGIC_WIPE){\r
2abdfa49 1227 ReaderTransmitBitsPar(wupC1, 7, NULL, NULL);\r
6a18e46f 1228 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1229 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("wupC1 error");\r
1230 errormsg = MAGIC_WIPE;\r
1231 break;\r
1232 }\r
0675f200 1233\r
6a18e46f 1234 ReaderTransmit(wipeC, sizeof(wipeC), NULL);\r
1235 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1236 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("wipeC error");\r
1237 errormsg = MAGIC_WIPE;\r
1238 break;\r
1239 }\r
0675f200 1240\r
d2094433 1241 mifare_classic_halt_ex(NULL);\r
6a18e46f 1242 } \r
0675f200 1243\r
6a18e46f 1244 // write block\r
1245 if (workFlags & MAGIC_WUPC) {\r
2abdfa49 1246 ReaderTransmitBitsPar(wupC1, 7, NULL, NULL);\r
6a18e46f 1247 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1248 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("wupC1 error");\r
1249 errormsg = MAGIC_WUPC;\r
1250 break;\r
1251 }\r
1252\r
1253 ReaderTransmit(wupC2, sizeof(wupC2), NULL);\r
1254 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1255 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("wupC2 error");\r
1256 errormsg = MAGIC_WUPC;\r
1257 break;\r
1258 }\r
9332b857 1259 }\r
c2731f37 1260\r
6a18e46f 1261 if ((mifare_sendcmd_short(NULL, 0, ISO14443A_CMD_WRITEBLOCK, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 1) || (receivedAnswer[0] != 0x0a)) {\r
1262 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("write block send command error");\r
1263 errormsg = 4;\r
1264 break;\r
1265 }\r
0675f200 1266 \r
6a18e46f 1267 memcpy(data, datain, 16);\r
1268 AppendCrc14443a(data, 16);\r
0675f200 1269 \r
6a18e46f 1270 ReaderTransmit(data, sizeof(data), NULL);\r
1271 if ((ReaderReceive(receivedAnswer, receivedAnswerPar) != 1) || (receivedAnswer[0] != 0x0a)) {\r
1272 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("write block send data error");\r
1273 errormsg = 0;\r
1274 break;\r
1275 } \r
0675f200 1276 \r
6a18e46f 1277 if (workFlags & MAGIC_OFF) \r
d2094433 1278 mifare_classic_halt_ex(NULL);\r
6a18e46f 1279 \r
1280 isOK = true;\r
1281 break;\r
1282\r
1283 } // end while \r
1284\r
1285 if (isOK )\r
1286 cmd_send(CMD_ACK,1,0,0,uid,sizeof(uid));\r
1287 else\r
1288 OnErrorMagic(errormsg);\r
0675f200 1289\r
c2731f37 1290 if (workFlags & MAGIC_OFF)\r
1291 OnSuccessMagic();\r
0675f200 1292}\r
545a1f38 1293\r
c2731f37 1294void MifareCGetBlock(uint32_t arg0, uint32_t arg1, uint8_t *datain){\r
1295 \r
545a1f38 1296 uint8_t workFlags = arg0;\r
c2731f37 1297 uint8_t blockNo = arg1;\r
6a18e46f 1298 uint8_t errormsg = 0x00;\r
1299 bool isOK = false; //assume we will get an error\r
1300 \r
545a1f38 1301 // variables\r
c2731f37 1302 uint8_t data[MAX_MIFARE_FRAME_SIZE];\r
6a18e46f 1303 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE] = {0x00};\r
1304 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE] = {0x00};\r
545a1f38 1305 \r
c2731f37 1306 memset(data, 0x00, sizeof(data));\r
1307 \r
1308 if (workFlags & MAGIC_INIT) {\r
545a1f38
M		 1309 LED_A_ON();\r
1310 LED_B_OFF();\r
c2731f37 1311 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); \r
3000dc4e
MHS		 1312 clear_trace();\r
1313 set_tracing(TRUE);\r
545a1f38
M		 1314 }\r
1315\r
6a18e46f 1316 //loop doesn't loop just breaks out if error or done\r
1317 while (true) {\r
1318 if (workFlags & MAGIC_WUPC) {\r
2abdfa49 1319 ReaderTransmitBitsPar(wupC1, 7, NULL, NULL);\r
6a18e46f 1320 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1321 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("wupC1 error");\r
1322 errormsg = MAGIC_WUPC;\r
1323 break;\r
1324 }\r
545a1f38 1325\r
6a18e46f 1326 ReaderTransmit(wupC2, sizeof(wupC2), NULL);\r
1327 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1328 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("wupC2 error");\r
1329 errormsg = MAGIC_WUPC;\r
1330 break;\r
1331 }\r
9332b857 1332 }\r
c2731f37 1333\r
6a18e46f 1334 // read block \r
1335 if ((mifare_sendcmd_short(NULL, 0, ISO14443A_CMD_READBLOCK, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 18)) {\r
1336 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("read block send command error");\r
1337 errormsg = 0;\r
1338 break;\r
1339 }\r
1340 \r
1341 memcpy(data, receivedAnswer, sizeof(data));\r
1342 \r
1343 // send HALT\r
c7962313 1344 if (workFlags & MAGIC_HALT)\r
6a18e46f 1345 mifare_classic_halt_ex(NULL);\r
c7962313 1346\r
6a18e46f 1347 isOK = true;\r
1348 break;\r
9332b857 1349 }\r
c2731f37 1350 // if MAGIC_DATAIN, the data stays on device side.\r
6a18e46f 1351 if (workFlags & MAGIC_DATAIN) {\r
1352 if (isOK)\r
1353 memcpy(datain, data, sizeof(data));\r
1354 } else {\r
1355 if (isOK) \r
1356 cmd_send(CMD_ACK,1,0,0,data,sizeof(data)); \r
1357 else \r
1358 OnErrorMagic(errormsg); \r
1359 }\r
c2731f37 1360 \r
c2731f37 1361 if (workFlags & MAGIC_OFF)\r
1362 OnSuccessMagic();\r
545a1f38
M		 1363}\r
1364\r
3fe4ff4f 1365void MifareCIdent(){\r
3fe4ff4f 1366 \r
1367 // variables\r
9332b857 1368 bool isOK = true; \r
d798d31c 1369 uint8_t receivedAnswer[1] = {0x00};\r
1370 uint8_t receivedAnswerPar[1] = {0x00};\r
3fe4ff4f 1371\r
2abdfa49 1372 ReaderTransmitBitsPar(wupC1, 7, NULL, NULL);\r
3fe4ff4f 1373 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
9332b857 1374 isOK = false;\r
1375 }\r
3fe4ff4f 1376\r
1377 ReaderTransmit(wupC2, sizeof(wupC2), NULL);\r
1378 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
9332b857 1379 isOK = false;\r
1380 }\r
3fe4ff4f 1381\r
acd7ccdb 1382 // removed the if, since some magic tags misbehavies and send an answer to it.\r
1383 mifare_classic_halt(NULL, 0);\r
3fe4ff4f 1384 cmd_send(CMD_ACK,isOK,0,0,0,0);\r
1385}\r
1386\r
c2731f37 1387void OnSuccessMagic(){\r
add0504d 1388 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
1389 LEDsoff();\r
c2731f37 1390 set_tracing(FALSE); \r
1391}\r
1392void OnErrorMagic(uint8_t reason){\r
1393 // ACK, ISOK, reason,0,0,0\r
1394 cmd_send(CMD_ACK,0,reason,0,0,0);\r
1395 OnSuccessMagic();\r
1396}\r
add0504d 1397//\r
3fe4ff4f 1398// DESFIRE\r
1399//\r
a631936e 1400void Mifare_DES_Auth1(uint8_t arg0, uint8_t *datain){\r
4a71da5a 1401 byte_t dataout[12] = {0x00};\r
a631936e 1402 uint8_t uid[10] = {0x00};\r
d798d31c 1403 uint32_t cuid = 0;\r
a631936e 1404 \r
a631936e 1405 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
99cf19d9 1406 clear_trace();\r
810f5379 1407 set_tracing(true);\r
a631936e 1408\r
c188b1b9 1409 int len = iso14443a_select_card(uid, NULL, &cuid, true, 0);\r
a631936e 1410 if(!len) {\r
aa60d156 1411 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card");\r
0ec548dc 1412 OnError(1);\r
a631936e 1413 return;\r
1414 };\r
1415\r
1416 if(mifare_desfire_des_auth1(cuid, dataout)){\r
aa60d156 1417 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication part1: Fail.");\r
0ec548dc 1418 OnError(4);\r
a631936e 1419 return;\r
1420 }\r
1421\r
1422 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 1 FINISHED");\r
88e20c9f 1423 cmd_send(CMD_ACK, 1, cuid, 0, dataout, sizeof(dataout));\r
a631936e 1424}\r
1425\r
1426void Mifare_DES_Auth2(uint32_t arg0, uint8_t *datain){\r
a631936e 1427 uint32_t cuid = arg0;\r
1428 uint8_t key[16] = {0x00};\r
a631936e 1429 byte_t dataout[12] = {0x00};\r
aa60d156 1430 byte_t isOK = 0;\r
a631936e 1431 \r
1432 memcpy(key, datain, 16);\r
1433 \r
1434 isOK = mifare_desfire_des_auth2(cuid, key, dataout);\r
1435 \r
1436 if( isOK) {\r
aa60d156 1437 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("Authentication part2: Failed"); \r
0ec548dc 1438 OnError(4);\r
a631936e 1439 return;\r
1440 }\r
1441\r
aa60d156 1442 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 2 FINISHED");\r
a631936e 1443\r
1444 cmd_send(CMD_ACK, isOK, 0, 0, dataout, sizeof(dataout));\r
1445 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
1446 LEDsoff();\r
88e20c9f 1447 set_tracing(FALSE);\r
ce432659 1448}
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