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