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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\r
20#include "crc.h"\r
21\r
22//-----------------------------------------------------------------------------\r
23// Select, Authenticate, Read a MIFARE tag. \r
24// read block\r
25//-----------------------------------------------------------------------------\r
26void MifareReadBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)\r
27{\r
28 // params\r
29 uint8_t blockNo = arg0;\r
30 uint8_t keyType = arg1;\r
31 uint64_t ui64Key = 0;\r
32 ui64Key = bytes_to_num(datain, 6);\r
33 \r
34 // variables\r
35 byte_t isOK = 0;\r
36 byte_t dataoutbuf[16];\r
37 uint8_t uid[10];\r
38 uint32_t cuid;\r
39 struct Crypto1State mpcs = {0, 0};\r
40 struct Crypto1State *pcs;\r
41 pcs = &mpcs;\r
42\r
43 // clear trace\r
44 clear_trace();\r
45 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
46\r
47 LED_A_ON();\r
48 LED_B_OFF();\r
49 LED_C_OFF();\r
50\r
51 while (true) {\r
52 if(!iso14443a_select_card(uid, NULL, &cuid)) {\r
53 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
54 break;\r
55 };\r
56\r
57 if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {\r
58 if (MF_DBGLEVEL >= 1) Dbprintf("Auth error");\r
59 break;\r
60 };\r
61 \r
62 if(mifare_classic_readblock(pcs, cuid, blockNo, dataoutbuf)) {\r
63 if (MF_DBGLEVEL >= 1) Dbprintf("Read block error");\r
64 break;\r
65 };\r
66\r
67 if(mifare_classic_halt(pcs, cuid)) {\r
68 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
69 break;\r
70 };\r
71 \r
72 isOK = 1;\r
73 break;\r
74 }\r
75 \r
76 // ----------------------------- crypto1 destroy\r
77 crypto1_destroy(pcs);\r
78 \r
79 if (MF_DBGLEVEL >= 2) DbpString("READ BLOCK FINISHED");\r
80\r
81 LED_B_ON();\r
82 cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,16);\r
83 LED_B_OFF();\r
84\r
85 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
86 LEDsoff();\r
87}\r
88\r
89void MifareUC_Auth(uint8_t arg0, uint8_t *keybytes){\r
90\r
91 bool turnOffField = (arg0 == 1);\r
92\r
93 LED_A_ON(); LED_B_OFF(); LED_C_OFF();\r
94 clear_trace();\r
95 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
96\r
97 if(!iso14443a_select_card(NULL, NULL, NULL)) {\r
98 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card");\r
99 OnError(0);\r
100 return;\r
101 };\r
102 \r
103 if(!mifare_ultra_auth(keybytes)){\r
104 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication failed");\r
105 OnError(1);\r
106 return;\r
107 }\r
108\r
109 if (turnOffField) {\r
110 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
111 LEDsoff();\r
112 }\r
113 cmd_send(CMD_ACK,1,0,0,0,0);\r
114}\r
115\r
116// Arg0 = BlockNo,\r
117// Arg1 = UsePwd bool\r
118// datain = PWD bytes,\r
119void MifareUReadBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain)\r
120{\r
121 uint8_t blockNo = arg0;\r
122 byte_t dataout[16] = {0x00};\r
123 bool useKey = (arg1 == 1); //UL_C\r
124 bool usePwd = (arg1 == 2); //UL_EV1/NTAG\r
125\r
126 LEDsoff();\r
127 LED_A_ON();\r
128 clear_trace();\r
129 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
130\r
131 int len = iso14443a_select_card(NULL, NULL, NULL);\r
132 if(!len) {\r
133 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card (RC:%02X)",len);\r
134 OnError(1);\r
135 return;\r
136 }\r
137\r
138 // UL-C authentication\r
139 if ( useKey ) {\r
140 uint8_t key[16] = {0x00};\r
141 memcpy(key, datain, sizeof(key) );\r
142\r
143 if ( !mifare_ultra_auth(key) ) {\r
144 OnError(1);\r
145 return;\r
146 }\r
147 }\r
148\r
149 // UL-EV1 / NTAG authentication\r
150 if ( usePwd ) {\r
151 uint8_t pwd[4] = {0x00};\r
152 memcpy(pwd, datain, 4);\r
153 uint8_t pack[4] = {0,0,0,0};\r
154 if (!mifare_ul_ev1_auth(pwd, pack)) {\r
155 OnError(1);\r
156 return;\r
157 }\r
158 } \r
159\r
160 if( mifare_ultra_readblock(blockNo, dataout) ) {\r
161 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Read block error");\r
162 OnError(2);\r
163 return;\r
164 }\r
165\r
166 if( mifare_ultra_halt() ) {\r
167 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Halt error");\r
168 OnError(3);\r
169 return;\r
170 }\r
171\r
172 cmd_send(CMD_ACK,1,0,0,dataout,16);\r
173 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
174 LEDsoff();\r
175}\r
176\r
177//-----------------------------------------------------------------------------\r
178// Select, Authenticate, Read a MIFARE tag. \r
179// read sector (data = 4 x 16 bytes = 64 bytes, or 16 x 16 bytes = 256 bytes)\r
180//-----------------------------------------------------------------------------\r
181void MifareReadSector(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)\r
182{\r
183 // params\r
184 uint8_t sectorNo = arg0;\r
185 uint8_t keyType = arg1;\r
186 uint64_t ui64Key = 0;\r
187 ui64Key = bytes_to_num(datain, 6);\r
188 \r
189 // variables\r
190 byte_t isOK = 0;\r
191 byte_t dataoutbuf[16 * 16];\r
192 uint8_t uid[10];\r
193 uint32_t cuid;\r
194 struct Crypto1State mpcs = {0, 0};\r
195 struct Crypto1State *pcs;\r
196 pcs = &mpcs;\r
197\r
198 // clear trace\r
199 clear_trace();\r
200\r
201 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
202\r
203 LED_A_ON();\r
204 LED_B_OFF();\r
205 LED_C_OFF();\r
206\r
207 isOK = 1;\r
208 if(!iso14443a_select_card(uid, NULL, &cuid)) {\r
209 isOK = 0;\r
210 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
211 }\r
212 \r
213 \r
214 if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_FIRST)) {\r
215 isOK = 0;\r
216 if (MF_DBGLEVEL >= 1) Dbprintf("Auth error");\r
217 }\r
218 \r
219 for (uint8_t blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) {\r
220 if(mifare_classic_readblock(pcs, cuid, FirstBlockOfSector(sectorNo) + blockNo, dataoutbuf + 16 * blockNo)) {\r
221 isOK = 0;\r
222 if (MF_DBGLEVEL >= 1) Dbprintf("Read sector %2d block %2d error", sectorNo, blockNo);\r
223 break;\r
224 }\r
225 }\r
226 \r
227 if(mifare_classic_halt(pcs, cuid)) {\r
228 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
229 }\r
230\r
231 // ----------------------------- crypto1 destroy\r
232 crypto1_destroy(pcs);\r
233 \r
234 if (MF_DBGLEVEL >= 2) DbpString("READ SECTOR FINISHED");\r
235\r
236 LED_B_ON();\r
237 cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,16*NumBlocksPerSector(sectorNo));\r
238 LED_B_OFF();\r
239\r
240 // Thats it...\r
241 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
242 LEDsoff();\r
243}\r
244\r
245// arg0 = blockNo (start)\r
246// arg1 = Pages (number of blocks)\r
247// arg2 = useKey\r
248// datain = KEY bytes\r
249void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain)\r
250{\r
251 // free eventually allocated BigBuf memory\r
252 BigBuf_free();\r
253 clear_trace();\r
254\r
255 // params\r
256 uint8_t blockNo = arg0;\r
257 uint16_t blocks = arg1;\r
258 bool useKey = (arg2 == 1); //UL_C\r
259 bool usePwd = (arg2 == 2); //UL_EV1/NTAG\r
260 uint32_t countblocks = 0;\r
261 uint8_t *dataout = BigBuf_malloc(CARD_MEMORY_SIZE);\r
262 if (dataout == NULL){\r
263 Dbprintf("out of memory");\r
264 OnError(1);\r
265 return;\r
266 }\r
267\r
268 LEDsoff();\r
269 LED_A_ON();\r
270 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
271\r
272 int len = iso14443a_select_card(NULL, NULL, NULL);\r
273 if (!len) {\r
274 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card (RC:%d)",len);\r
275 OnError(1);\r
276 return;\r
277 }\r
278\r
279 // UL-C authentication\r
280 if ( useKey ) {\r
281 uint8_t key[16] = {0x00};\r
282 memcpy(key, datain, sizeof(key) );\r
283\r
284 if ( !mifare_ultra_auth(key) ) {\r
285 OnError(1);\r
286 return;\r
287 }\r
288 }\r
289\r
290 // UL-EV1 / NTAG authentication\r
291 if (usePwd) {\r
292 uint8_t pwd[4] = {0x00};\r
293 memcpy(pwd, datain, sizeof(pwd));\r
294 uint8_t pack[4] = {0,0,0,0};\r
295\r
296 if (!mifare_ul_ev1_auth(pwd, pack)){\r
297 OnError(1);\r
298 return; \r
299 }\r
300 }\r
301\r
302 for (int i = 0; i < blocks; i++){\r
303 if ((i*4) + 4 > CARD_MEMORY_SIZE) {\r
304 Dbprintf("Data exceeds buffer!!");\r
305 break;\r
306 }\r
307\r
308 len = mifare_ultra_readblock(blockNo + i, dataout + 4 * i);\r
309 \r
310 if (len) {\r
311 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Read block %d error",i);\r
312 // if no blocks read - error out\r
313 if (i==0){\r
314 OnError(2);\r
315 return;\r
316 } else {\r
317 //stop at last successful read block and return what we got\r
318 break;\r
319 }\r
320 } else {\r
321 countblocks++;\r
322 }\r
323 }\r
324\r
325 len = mifare_ultra_halt();\r
326 if (len) {\r
327 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Halt error");\r
328 OnError(3);\r
329 return;\r
330 }\r
331\r
332 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("Blocks read %d", countblocks);\r
333\r
334 countblocks *= 4;\r
335 cmd_send(CMD_ACK, 1, countblocks, BigBuf_max_traceLen(),0 , 0);\r
336 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
337 LEDsoff();\r
338 \r
339 BigBuf_free();\r
340}\r
341\r
342//-----------------------------------------------------------------------------\r
343// Select, Authenticate, Write a MIFARE tag. \r
344// read block\r
345//-----------------------------------------------------------------------------\r
346void MifareWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)\r
347{\r
348 // params\r
349 uint8_t blockNo = arg0;\r
350 uint8_t keyType = arg1;\r
351 uint64_t ui64Key = 0;\r
352 byte_t blockdata[16];\r
353\r
354 ui64Key = bytes_to_num(datain, 6);\r
355 memcpy(blockdata, datain + 10, 16);\r
356 \r
357 // variables\r
358 byte_t isOK = 0;\r
359 uint8_t uid[10];\r
360 uint32_t cuid;\r
361 struct Crypto1State mpcs = {0, 0};\r
362 struct Crypto1State *pcs;\r
363 pcs = &mpcs;\r
364\r
365 // clear trace\r
366 clear_trace();\r
367\r
368 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
369\r
370 LED_A_ON();\r
371 LED_B_OFF();\r
372 LED_C_OFF();\r
373\r
374 while (true) {\r
375 if(!iso14443a_select_card(uid, NULL, &cuid)) {\r
376 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
377 break;\r
378 };\r
379\r
380 if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {\r
381 if (MF_DBGLEVEL >= 1) Dbprintf("Auth error");\r
382 break;\r
383 };\r
384 \r
385 if(mifare_classic_writeblock(pcs, cuid, blockNo, blockdata)) {\r
386 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
387 break;\r
388 };\r
389\r
390 if(mifare_classic_halt(pcs, cuid)) {\r
391 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
392 break;\r
393 };\r
394 \r
395 isOK = 1;\r
396 break;\r
397 }\r
398 \r
399 // ----------------------------- crypto1 destroy\r
400 crypto1_destroy(pcs);\r
401 \r
402 if (MF_DBGLEVEL >= 2) DbpString("WRITE BLOCK FINISHED");\r
403\r
404 LED_B_ON();\r
405 cmd_send(CMD_ACK,isOK,0,0,0,0);\r
406 LED_B_OFF();\r
407\r
408\r
409 // Thats it...\r
410 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
411 LEDsoff();\r
412}\r
413\r
414void MifareUWriteBlock(uint8_t arg0, uint8_t *datain)\r
415{\r
416 uint8_t blockNo = arg0;\r
417 byte_t blockdata[16] = {0x00};\r
418\r
419 memcpy(blockdata, datain, 16);\r
420\r
421 uint8_t uid[10] = {0x00};\r
422\r
423 LED_A_ON(); LED_B_OFF(); LED_C_OFF();\r
424\r
425 clear_trace();\r
426 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
427\r
428 if(!iso14443a_select_card(uid, NULL, NULL)) {\r
429 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
430 OnError(0);\r
431 return;\r
432 };\r
433\r
434 if(mifare_ultra_writeblock(blockNo, blockdata)) {\r
435 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
436 OnError(0);\r
437 return; };\r
438\r
439 if(mifare_ultra_halt()) {\r
440 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
441 OnError(0);\r
442 return;\r
443 };\r
444\r
445 if (MF_DBGLEVEL >= 2) DbpString("WRITE BLOCK FINISHED");\r
446\r
447 cmd_send(CMD_ACK,1,0,0,0,0);\r
448 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
449 LEDsoff();\r
450}\r
451\r
452// Arg0 : Block to write to.\r
453// Arg1 : 0 = use no authentication.\r
454// 1 = use 0x1A authentication.\r
455// 2 = use 0x1B authentication.\r
456// datain : 4 first bytes is data to be written.\r
457// : 4/16 next bytes is authentication key.\r
458void MifareUWriteBlock_Special(uint8_t arg0, uint8_t arg1, uint8_t *datain)\r
459{\r
460 uint8_t blockNo = arg0;\r
461 bool useKey = (arg1 == 1); //UL_C\r
462 bool usePwd = (arg1 == 2); //UL_EV1/NTAG\r
463 byte_t blockdata[4] = {0x00};\r
464\r
465 memcpy(blockdata, datain,4);\r
466 \r
467 LEDsoff();\r
468 LED_A_ON();\r
469 clear_trace();\r
470 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
471\r
472 if(!iso14443a_select_card(NULL, NULL, NULL)) {\r
473 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
474 OnError(0);\r
475 return;\r
476 };\r
477\r
478 // UL-C authentication\r
479 if ( useKey ) {\r
480 uint8_t key[16] = {0x00}; \r
481 memcpy(key, datain+4, sizeof(key) );\r
482\r
483 if ( !mifare_ultra_auth(key) ) {\r
484 OnError(1);\r
485 return; \r
486 }\r
487 }\r
488 \r
489 // UL-EV1 / NTAG authentication\r
490 if (usePwd) { \r
491 uint8_t pwd[4] = {0x00};\r
492 memcpy(pwd, datain+4, 4);\r
493 uint8_t pack[4] = {0,0,0,0};\r
494 if (!mifare_ul_ev1_auth(pwd, pack)) {\r
495 OnError(1);\r
496 return; \r
497 }\r
498 }\r
499 \r
500 if(mifare_ultra_special_writeblock(blockNo, blockdata)) {\r
501 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
502 OnError(0);\r
503 return;\r
504 };\r
505\r
506 if(mifare_ultra_halt()) {\r
507 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
508 OnError(0);\r
509 return;\r
510 };\r
511\r
512 if (MF_DBGLEVEL >= 2) DbpString("WRITE BLOCK FINISHED");\r
513\r
514 cmd_send(CMD_ACK,1,0,0,0,0);\r
515 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
516 LEDsoff();\r
517}\r
518\r
519void MifareUSetPwd(uint8_t arg0, uint8_t *datain){\r
520 \r
521 uint8_t pwd[16] = {0x00};\r
522 byte_t blockdata[4] = {0x00};\r
523 \r
524 memcpy(pwd, datain, 16);\r
525 \r
526 LED_A_ON(); LED_B_OFF(); LED_C_OFF();\r
527 clear_trace();\r
528 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
529\r
530 if(!iso14443a_select_card(NULL, NULL, NULL)) {\r
531 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
532 OnError(0);\r
533 return;\r
534 };\r
535\r
536 blockdata[0] = pwd[7];\r
537 blockdata[1] = pwd[6];\r
538 blockdata[2] = pwd[5];\r
539 blockdata[3] = pwd[4];\r
540 if(mifare_ultra_special_writeblock( 44, blockdata)) {\r
541 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
542 OnError(44);\r
543 return;\r
544 };\r
545\r
546 blockdata[0] = pwd[3];\r
547 blockdata[1] = pwd[2];\r
548 blockdata[2] = pwd[1];\r
549 blockdata[3] = pwd[0];\r
550 if(mifare_ultra_special_writeblock( 45, blockdata)) {\r
551 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
552 OnError(45);\r
553 return;\r
554 };\r
555\r
556 blockdata[0] = pwd[15];\r
557 blockdata[1] = pwd[14];\r
558 blockdata[2] = pwd[13];\r
559 blockdata[3] = pwd[12];\r
560 if(mifare_ultra_special_writeblock( 46, blockdata)) {\r
561 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
562 OnError(46);\r
563 return;\r
564 };\r
565\r
566 blockdata[0] = pwd[11];\r
567 blockdata[1] = pwd[10];\r
568 blockdata[2] = pwd[9];\r
569 blockdata[3] = pwd[8];\r
570 if(mifare_ultra_special_writeblock( 47, blockdata)) {\r
571 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
572 OnError(47);\r
573 return;\r
574 }; \r
575\r
576 if(mifare_ultra_halt()) {\r
577 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
578 OnError(0);\r
579 return;\r
580 };\r
581\r
582 cmd_send(CMD_ACK,1,0,0,0,0);\r
583 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
584 LEDsoff();\r
585}\r
586\r
587// Return 1 if the nonce is invalid else return 0\r
588int valid_nonce(uint32_t Nt, uint32_t NtEnc, uint32_t Ks1, uint8_t *parity) {\r
589 return ((oddparity((Nt >> 24) & 0xFF) == ((parity[0]) ^ oddparity((NtEnc >> 24) & 0xFF) ^ BIT(Ks1,16))) & \\r
590 (oddparity((Nt >> 16) & 0xFF) == ((parity[1]) ^ oddparity((NtEnc >> 16) & 0xFF) ^ BIT(Ks1,8))) & \\r
591 (oddparity((Nt >> 8) & 0xFF) == ((parity[2]) ^ oddparity((NtEnc >> 8) & 0xFF) ^ BIT(Ks1,0)))) ? 1 : 0;\r
592}\r
593\r
594\r
595//-----------------------------------------------------------------------------\r
596// MIFARE nested authentication. \r
597// \r
598//-----------------------------------------------------------------------------\r
599void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *datain)\r
600{\r
601 // params\r
602 uint8_t blockNo = arg0 & 0xff;\r
603 uint8_t keyType = (arg0 >> 8) & 0xff;\r
604 uint8_t targetBlockNo = arg1 & 0xff;\r
605 uint8_t targetKeyType = (arg1 >> 8) & 0xff;\r
606 uint64_t ui64Key = 0;\r
607\r
608 ui64Key = bytes_to_num(datain, 6);\r
609 \r
610 // variables\r
611 uint16_t rtr, i, j, len;\r
612 uint16_t davg;\r
613 static uint16_t dmin, dmax;\r
614 uint8_t uid[10];\r
615 uint32_t cuid, nt1, nt2, nttmp, nttest, ks1;\r
616 uint8_t par[1];\r
617 uint32_t target_nt[2], target_ks[2];\r
618 \r
619 uint8_t par_array[4];\r
620 uint16_t ncount = 0;\r
621 struct Crypto1State mpcs = {0, 0};\r
622 struct Crypto1State *pcs;\r
623 pcs = &mpcs;\r
624 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
625\r
626 uint32_t auth1_time, auth2_time;\r
627 static uint16_t delta_time;\r
628\r
629 // free eventually allocated BigBuf memory\r
630 BigBuf_free();\r
631 // clear trace\r
632 clear_trace();\r
633 set_tracing(false);\r
634 \r
635 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
636\r
637 LED_A_ON();\r
638 LED_C_OFF();\r
639\r
640\r
641 // statistics on nonce distance\r
642 if (calibrate) { // for first call only. Otherwise reuse previous calibration\r
643 LED_B_ON();\r
644 WDT_HIT();\r
645\r
646 davg = dmax = 0;\r
647 dmin = 2000;\r
648 delta_time = 0;\r
649 \r
650 for (rtr = 0; rtr < 17; rtr++) {\r
651\r
652 // prepare next select. No need to power down the card.\r
653 if(mifare_classic_halt(pcs, cuid)) {\r
654 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Halt error");\r
655 rtr--;\r
656 continue;\r
657 }\r
658\r
659 if(!iso14443a_select_card(uid, NULL, &cuid)) {\r
660 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Can't select card");\r
661 rtr--;\r
662 continue;\r
663 };\r
664\r
665 auth1_time = 0;\r
666 if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1, &auth1_time)) {\r
667 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth1 error");\r
668 rtr--;\r
669 continue;\r
670 };\r
671\r
672 if (delta_time) {\r
673 auth2_time = auth1_time + delta_time;\r
674 } else {\r
675 auth2_time = 0;\r
676 }\r
677 if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_NESTED, &nt2, &auth2_time)) {\r
678 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth2 error");\r
679 rtr--;\r
680 continue;\r
681 };\r
682\r
683 nttmp = prng_successor(nt1, 100); //NXP Mifare is typical around 840,but for some unlicensed/compatible mifare card this can be 160\r
684 for (i = 101; i < 1200; i++) {\r
685 nttmp = prng_successor(nttmp, 1);\r
686 if (nttmp == nt2) break;\r
687 }\r
688\r
689 if (i != 1200) {\r
690 if (rtr != 0) {\r
691 davg += i;\r
692 dmin = MIN(dmin, i);\r
693 dmax = MAX(dmax, i);\r
694 }\r
695 else {\r
696 delta_time = auth2_time - auth1_time + 32; // allow some slack for proper timing\r
697 }\r
698 if (MF_DBGLEVEL >= 3) Dbprintf("Nested: calibrating... ntdist=%d", i);\r
699 }\r
700 }\r
701 \r
702 if (rtr <= 1) return;\r
703\r
704 davg = (davg + (rtr - 1)/2) / (rtr - 1);\r
705 \r
706 if (MF_DBGLEVEL >= 3) Dbprintf("min=%d max=%d avg=%d, delta_time=%d", dmin, dmax, davg, delta_time);\r
707\r
708 dmin = davg - 2;\r
709 dmax = davg + 2;\r
710 \r
711 LED_B_OFF();\r
712 \r
713 }\r
714// ------------------------------------------------------------------------------------------------- \r
715 \r
716 LED_C_ON();\r
717\r
718 // get crypted nonces for target sector\r
719 for(i=0; i < 2; i++) { // look for exactly two different nonces\r
720\r
721 target_nt[i] = 0;\r
722 while(target_nt[i] == 0) { // continue until we have an unambiguous nonce\r
723 \r
724 // prepare next select. No need to power down the card.\r
725 if(mifare_classic_halt(pcs, cuid)) {\r
726 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Halt error");\r
727 continue;\r
728 }\r
729\r
730 if(!iso14443a_select_card(uid, NULL, &cuid)) {\r
731 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Can't select card");\r
732 continue;\r
733 };\r
734 \r
735 auth1_time = 0;\r
736 if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1, &auth1_time)) {\r
737 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth1 error");\r
738 continue;\r
739 };\r
740\r
741 // nested authentication\r
742 auth2_time = auth1_time + delta_time;\r
743 len = mifare_sendcmd_shortex(pcs, AUTH_NESTED, 0x60 + (targetKeyType & 0x01), targetBlockNo, receivedAnswer, par, &auth2_time);\r
744 if (len != 4) {\r
745 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth2 error len=%d", len);\r
746 continue;\r
747 };\r
748 \r
749 nt2 = bytes_to_num(receivedAnswer, 4); \r
750 if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: Testing nt1=%08x nt2enc=%08x nt2par=%02x", i+1, nt1, nt2, par[0]);\r
751 \r
752 // Parity validity check\r
753 for (j = 0; j < 4; j++) {\r
754 par_array[j] = (oddparity(receivedAnswer[j]) != ((par[0] >> (7-j)) & 0x01));\r
755 }\r
756 \r
757 ncount = 0;\r
758 nttest = prng_successor(nt1, dmin - 1);\r
759 for (j = dmin; j < dmax + 1; j++) {\r
760 nttest = prng_successor(nttest, 1);\r
761 ks1 = nt2 ^ nttest;\r
762\r
763 if (valid_nonce(nttest, nt2, ks1, par_array)){\r
764 if (ncount > 0) { // we are only interested in disambiguous nonces, try again\r
765 if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: dismissed (ambigous), ntdist=%d", i+1, j);\r
766 target_nt[i] = 0;\r
767 break;\r
768 }\r
769 target_nt[i] = nttest;\r
770 target_ks[i] = ks1;\r
771 ncount++;\r
772 if (i == 1 && target_nt[1] == target_nt[0]) { // we need two different nonces\r
773 target_nt[i] = 0;\r
774 if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#2: dismissed (= nonce#1), ntdist=%d", j);\r
775 break;\r
776 }\r
777 if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: valid, ntdist=%d", i+1, j);\r
778 }\r
779 }\r
780 if (target_nt[i] == 0 && j == dmax+1 && MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: dismissed (all invalid)", i+1);\r
781 }\r
782 }\r
783\r
784 LED_C_OFF();\r
785 \r
786 // ----------------------------- crypto1 destroy\r
787 crypto1_destroy(pcs);\r
788 \r
789 byte_t buf[4 + 4 * 4];\r
790 memcpy(buf, &cuid, 4);\r
791 memcpy(buf+4, &target_nt[0], 4);\r
792 memcpy(buf+8, &target_ks[0], 4);\r
793 memcpy(buf+12, &target_nt[1], 4);\r
794 memcpy(buf+16, &target_ks[1], 4);\r
795 \r
796 LED_B_ON();\r
797 cmd_send(CMD_ACK, 0, 2, targetBlockNo + (targetKeyType * 0x100), buf, sizeof(buf));\r
798 LED_B_OFF();\r
799\r
800 if (MF_DBGLEVEL >= 3) DbpString("NESTED FINISHED");\r
801\r
802 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
803 LEDsoff();\r
804 set_tracing(TRUE);\r
805}\r
806\r
807//-----------------------------------------------------------------------------\r
808// MIFARE check keys. key count up to 85. \r
809// \r
810//-----------------------------------------------------------------------------\r
811void MifareChkKeys(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)\r
812{\r
813 // params\r
814 uint8_t blockNo = arg0;\r
815 uint8_t keyType = arg1;\r
816 uint8_t keyCount = arg2;\r
817 uint64_t ui64Key = 0;\r
818 \r
819 // variables\r
820 int i;\r
821 byte_t isOK = 0;\r
822 uint8_t uid[10];\r
823 uint32_t cuid;\r
824 struct Crypto1State mpcs = {0, 0};\r
825 struct Crypto1State *pcs;\r
826 pcs = &mpcs;\r
827 \r
828 // clear debug level\r
829 int OLD_MF_DBGLEVEL = MF_DBGLEVEL; \r
830 MF_DBGLEVEL = MF_DBG_NONE;\r
831 \r
832 // clear trace\r
833 clear_trace();\r
834 set_tracing(TRUE);\r
835\r
836 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
837\r
838 LED_A_ON();\r
839 LED_B_OFF();\r
840 LED_C_OFF();\r
841\r
842 for (i = 0; i < keyCount; i++) {\r
843 if(mifare_classic_halt(pcs, cuid)) {\r
844 if (MF_DBGLEVEL >= 1) Dbprintf("ChkKeys: Halt error");\r
845 }\r
846\r
847 if(!iso14443a_select_card(uid, NULL, &cuid)) {\r
848 if (OLD_MF_DBGLEVEL >= 1) Dbprintf("ChkKeys: Can't select card");\r
849 break;\r
850 };\r
851\r
852 ui64Key = bytes_to_num(datain + i * 6, 6);\r
853 if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {\r
854 continue;\r
855 };\r
856 \r
857 isOK = 1;\r
858 break;\r
859 }\r
860 \r
861 // ----------------------------- crypto1 destroy\r
862 crypto1_destroy(pcs);\r
863 \r
864 LED_B_ON();\r
865 cmd_send(CMD_ACK,isOK,0,0,datain + i * 6,6);\r
866 LED_B_OFF();\r
867\r
868 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
869 LEDsoff();\r
870\r
871 // restore debug level\r
872 MF_DBGLEVEL = OLD_MF_DBGLEVEL; \r
873}\r
874\r
875//-----------------------------------------------------------------------------\r
876// MIFARE commands set debug level\r
877// \r
878//-----------------------------------------------------------------------------\r
879void MifareSetDbgLvl(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
880 MF_DBGLEVEL = arg0;\r
881 Dbprintf("Debug level: %d", MF_DBGLEVEL);\r
882}\r
883\r
884//-----------------------------------------------------------------------------\r
885// Work with emulator memory\r
886// \r
887//-----------------------------------------------------------------------------\r
888void MifareEMemClr(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
889 emlClearMem();\r
890}\r
891\r
892void MifareEMemSet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
893 emlSetMem(datain, arg0, arg1); // data, block num, blocks count\r
894}\r
895\r
896void MifareEMemGet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
897 byte_t buf[USB_CMD_DATA_SIZE];\r
898 emlGetMem(buf, arg0, arg1); // data, block num, blocks count (max 4)\r
899\r
900 LED_B_ON();\r
901 cmd_send(CMD_ACK,arg0,arg1,0,buf,USB_CMD_DATA_SIZE);\r
902 LED_B_OFF();\r
903}\r
904\r
905//-----------------------------------------------------------------------------\r
906// Load a card into the emulator memory\r
907// \r
908//-----------------------------------------------------------------------------\r
909void MifareECardLoad(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
910 uint8_t numSectors = arg0;\r
911 uint8_t keyType = arg1;\r
912 uint64_t ui64Key = 0;\r
913 uint32_t cuid;\r
914 struct Crypto1State mpcs = {0, 0};\r
915 struct Crypto1State *pcs;\r
916 pcs = &mpcs;\r
917\r
918 // variables\r
919 byte_t dataoutbuf[16];\r
920 byte_t dataoutbuf2[16];\r
921 uint8_t uid[10];\r
922\r
923 // clear trace\r
924 clear_trace();\r
925 set_tracing(false);\r
926 \r
927 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
928\r
929 LED_A_ON();\r
930 LED_B_OFF();\r
931 LED_C_OFF();\r
932 \r
933 bool isOK = true;\r
934\r
935 if(!iso14443a_select_card(uid, NULL, &cuid)) {\r
936 isOK = false;\r
937 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
938 }\r
939 \r
940 for (uint8_t sectorNo = 0; isOK && sectorNo < numSectors; sectorNo++) {\r
941 ui64Key = emlGetKey(sectorNo, keyType);\r
942 if (sectorNo == 0){\r
943 if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_FIRST)) {\r
944 isOK = false;\r
945 if (MF_DBGLEVEL >= 1) Dbprintf("Sector[%2d]. Auth error", sectorNo);\r
946 break;\r
947 }\r
948 } else {\r
949 if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_NESTED)) {\r
950 isOK = false;\r
951 if (MF_DBGLEVEL >= 1) Dbprintf("Sector[%2d]. Auth nested error", sectorNo);\r
952 break;\r
953 }\r
954 }\r
955 \r
956 for (uint8_t blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) {\r
957 if(isOK && mifare_classic_readblock(pcs, cuid, FirstBlockOfSector(sectorNo) + blockNo, dataoutbuf)) {\r
958 isOK = false;\r
959 if (MF_DBGLEVEL >= 1) Dbprintf("Error reading sector %2d block %2d", sectorNo, blockNo);\r
960 break;\r
961 };\r
962 if (isOK) {\r
963 if (blockNo < NumBlocksPerSector(sectorNo) - 1) {\r
964 emlSetMem(dataoutbuf, FirstBlockOfSector(sectorNo) + blockNo, 1);\r
965 } else { // sector trailer, keep the keys, set only the AC\r
966 emlGetMem(dataoutbuf2, FirstBlockOfSector(sectorNo) + blockNo, 1);\r
967 memcpy(&dataoutbuf2[6], &dataoutbuf[6], 4);\r
968 emlSetMem(dataoutbuf2, FirstBlockOfSector(sectorNo) + blockNo, 1);\r
969 }\r
970 }\r
971 }\r
972\r
973 }\r
974\r
975 if(mifare_classic_halt(pcs, cuid)) {\r
976 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
977 };\r
978\r
979 // ----------------------------- crypto1 destroy\r
980 crypto1_destroy(pcs);\r
981\r
982 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
983 LEDsoff();\r
984 \r
985 if (MF_DBGLEVEL >= 2) DbpString("EMUL FILL SECTORS FINISHED");\r
986\r
987}\r
988\r
989\r
990//-----------------------------------------------------------------------------\r
991// Work with "magic Chinese" card (email him: ouyangweidaxian@live.cn)\r
992// \r
993//-----------------------------------------------------------------------------\r
994void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
995 \r
996 // params\r
997 uint8_t needWipe = arg0;\r
998 // bit 0 - need get UID\r
999 // bit 1 - need wupC\r
1000 // bit 2 - need HALT after sequence\r
1001 // bit 3 - need init FPGA and field before sequence\r
1002 // bit 4 - need reset FPGA and LED\r
1003 uint8_t workFlags = arg1;\r
1004 uint8_t blockNo = arg2;\r
1005 \r
1006 // card commands\r
1007 uint8_t wupC1[] = { 0x40 }; \r
1008 uint8_t wupC2[] = { 0x43 }; \r
1009 uint8_t wipeC[] = { 0x41 }; \r
1010 \r
1011 // variables\r
1012 byte_t isOK = 0;\r
1013 uint8_t uid[10] = {0x00};\r
1014 uint8_t d_block[18] = {0x00};\r
1015 uint32_t cuid;\r
1016 \r
1017 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
1018 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
1019\r
1020 // reset FPGA and LED\r
1021 if (workFlags & 0x08) {\r
1022 LED_A_ON();\r
1023 LED_B_OFF();\r
1024 LED_C_OFF();\r
1025 \r
1026 clear_trace();\r
1027 set_tracing(TRUE);\r
1028 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
1029 }\r
1030\r
1031 while (true) {\r
1032\r
1033 // get UID from chip\r
1034 if (workFlags & 0x01) {\r
1035 if(!iso14443a_select_card(uid, NULL, &cuid)) {\r
1036 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
1037 //break;\r
1038 };\r
1039\r
1040 if(mifare_classic_halt(NULL, cuid)) {\r
1041 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
1042 //break;\r
1043 };\r
1044 };\r
1045 \r
1046 // reset chip\r
1047 if (needWipe){\r
1048 ReaderTransmitBitsPar(wupC1,7,0, NULL);\r
1049 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1050 if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error");\r
1051 break;\r
1052 };\r
1053\r
1054 ReaderTransmit(wipeC, sizeof(wipeC), NULL);\r
1055 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1056 if (MF_DBGLEVEL >= 1) Dbprintf("wipeC error");\r
1057 break;\r
1058 };\r
1059\r
1060 if(mifare_classic_halt(NULL, cuid)) {\r
1061 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
1062 break;\r
1063 };\r
1064 }; \r
1065\r
1066 // write block\r
1067 if (workFlags & 0x02) {\r
1068 ReaderTransmitBitsPar(wupC1,7,0, NULL);\r
1069 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1070 if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error");\r
1071 break;\r
1072 };\r
1073\r
1074 ReaderTransmit(wupC2, sizeof(wupC2), NULL);\r
1075 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1076 if (MF_DBGLEVEL >= 1) Dbprintf("wupC2 error");\r
1077 break;\r
1078 };\r
1079 }\r
1080\r
1081 if ((mifare_sendcmd_short(NULL, 0, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 1) || (receivedAnswer[0] != 0x0a)) {\r
1082 if (MF_DBGLEVEL >= 1) Dbprintf("write block send command error");\r
1083 break;\r
1084 };\r
1085 \r
1086 memcpy(d_block, datain, 16);\r
1087 AppendCrc14443a(d_block, 16);\r
1088 \r
1089 ReaderTransmit(d_block, sizeof(d_block), NULL);\r
1090 if ((ReaderReceive(receivedAnswer, receivedAnswerPar) != 1) || (receivedAnswer[0] != 0x0a)) {\r
1091 if (MF_DBGLEVEL >= 1) Dbprintf("write block send data error");\r
1092 break;\r
1093 }; \r
1094 \r
1095 if (workFlags & 0x04) {\r
1096 if (mifare_classic_halt(NULL, cuid)) {\r
1097 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
1098 break;\r
1099 };\r
1100 }\r
1101 \r
1102 isOK = 1;\r
1103 break;\r
1104 }\r
1105 \r
1106 LED_B_ON();\r
1107 cmd_send(CMD_ACK,isOK,0,0,uid,4);\r
1108 LED_B_OFF();\r
1109\r
1110 if ((workFlags & 0x10) || (!isOK)) {\r
1111 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
1112 LEDsoff();\r
1113 }\r
1114}\r
1115\r
1116\r
1117void MifareCGetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
1118 \r
1119 // params\r
1120 // bit 1 - need wupC\r
1121 // bit 2 - need HALT after sequence\r
1122 // bit 3 - need init FPGA and field before sequence\r
1123 // bit 4 - need reset FPGA and LED\r
1124 uint8_t workFlags = arg0;\r
1125 uint8_t blockNo = arg2;\r
1126 \r
1127 // card commands\r
1128 uint8_t wupC1[] = { 0x40 }; \r
1129 uint8_t wupC2[] = { 0x43 }; \r
1130 \r
1131 // variables\r
1132 byte_t isOK = 0;\r
1133 uint8_t data[18] = {0x00};\r
1134 uint32_t cuid = 0;\r
1135 \r
1136 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
1137 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
1138 \r
1139 if (workFlags & 0x08) {\r
1140 LED_A_ON();\r
1141 LED_B_OFF();\r
1142 LED_C_OFF();\r
1143 \r
1144 clear_trace();\r
1145 set_tracing(TRUE);\r
1146 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
1147 }\r
1148\r
1149 while (true) {\r
1150 if (workFlags & 0x02) {\r
1151 ReaderTransmitBitsPar(wupC1,7,0, NULL);\r
1152 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1153 if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error");\r
1154 break;\r
1155 };\r
1156\r
1157 ReaderTransmit(wupC2, sizeof(wupC2), NULL);\r
1158 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1159 if (MF_DBGLEVEL >= 1) Dbprintf("wupC2 error");\r
1160 break;\r
1161 };\r
1162 }\r
1163\r
1164 // read block\r
1165 if ((mifare_sendcmd_short(NULL, 0, 0x30, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 18)) {\r
1166 if (MF_DBGLEVEL >= 1) Dbprintf("read block send command error");\r
1167 break;\r
1168 };\r
1169 memcpy(data, receivedAnswer, 18);\r
1170 \r
1171 if (workFlags & 0x04) {\r
1172 if (mifare_classic_halt(NULL, cuid)) {\r
1173 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
1174 break;\r
1175 };\r
1176 }\r
1177 \r
1178 isOK = 1;\r
1179 break;\r
1180 }\r
1181 \r
1182 LED_B_ON();\r
1183 cmd_send(CMD_ACK,isOK,0,0,data,18);\r
1184 LED_B_OFF();\r
1185\r
1186 if ((workFlags & 0x10) || (!isOK)) {\r
1187 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
1188 LEDsoff();\r
1189 }\r
1190}\r
1191\r
1192void MifareCIdent(){\r
1193 \r
1194 // card commands\r
1195 uint8_t wupC1[] = { 0x40 }; \r
1196 uint8_t wupC2[] = { 0x43 }; \r
1197 \r
1198 // variables\r
1199 byte_t isOK = 1;\r
1200 \r
1201 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
1202 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
1203\r
1204 ReaderTransmitBitsPar(wupC1,7,0, NULL);\r
1205 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1206 isOK = 0;\r
1207 };\r
1208\r
1209 ReaderTransmit(wupC2, sizeof(wupC2), NULL);\r
1210 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1211 isOK = 0;\r
1212 };\r
1213\r
1214 if (mifare_classic_halt(NULL, 0)) {\r
1215 isOK = 0;\r
1216 };\r
1217\r
1218 cmd_send(CMD_ACK,isOK,0,0,0,0);\r
1219}\r
1220\r
1221void MifareCollectNonces(uint32_t arg0, uint32_t arg1){\r
1222\r
1223 BigBuf_free();\r
1224\r
1225 uint32_t iterations = arg0;\r
1226 uint8_t uid[10] = {0x00};\r
1227\r
1228 uint8_t *response = BigBuf_malloc(MAX_MIFARE_FRAME_SIZE);\r
1229 uint8_t *responsePar = BigBuf_malloc(MAX_MIFARE_PARITY_SIZE);\r
1230\r
1231 uint8_t mf_auth[] = { 0x60,0x00,0xf5,0x7b };\r
1232 \r
1233 // get memory from BigBuf.\r
1234 uint8_t *nonces = BigBuf_malloc(iterations * 4);\r
1235\r
1236 LED_A_ON();\r
1237 LED_B_OFF();\r
1238 LED_C_OFF();\r
1239\r
1240 clear_trace();\r
1241 set_tracing(TRUE);\r
1242 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
1243 \r
1244 for (int i = 0; i < iterations; i++) {\r
1245 \r
1246 WDT_HIT();\r
1247\r
1248 // Test if the action was cancelled\r
1249 if(BUTTON_PRESS()) break;\r
1250 \r
1251 // if(mifare_classic_halt(pcs, cuid)) {\r
1252 // if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
1253 //}\r
1254\r
1255 if(!iso14443a_select_card(uid, NULL, NULL)) {\r
1256 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
1257 continue;\r
1258 };\r
1259\r
1260 // Transmit MIFARE_CLASSIC_AUTH.\r
1261 ReaderTransmit(mf_auth, sizeof(mf_auth), NULL);\r
1262\r
1263 // Receive the (4 Byte) "random" nonce\r
1264 if (!ReaderReceive(response, responsePar)) {\r
1265 if (MF_DBGLEVEL >= 1) Dbprintf("Couldn't receive tag nonce");\r
1266 continue;\r
1267 } \r
1268 \r
1269 nonces[i*4] = bytes_to_num(response, 4);\r
1270 }\r
1271 \r
1272 int packLen = iterations * 4;\r
1273 int packSize = 0;\r
1274 int packNum = 0;\r
1275 while (packLen > 0) {\r
1276 packSize = MIN(USB_CMD_DATA_SIZE, packLen);\r
1277 LED_B_ON();\r
1278 cmd_send(CMD_ACK, 77, 0, packSize, nonces - packLen, packSize);\r
1279 LED_B_OFF();\r
1280\r
1281 packLen -= packSize;\r
1282 packNum++;\r
1283 }\r
1284 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
1285 LEDsoff();\r
1286}\r
1287\r
1288//\r
1289// DESFIRE\r
1290//\r
1291\r
1292void Mifare_DES_Auth1(uint8_t arg0, uint8_t *datain){\r
1293\r
1294 byte_t dataout[11] = {0x00};\r
1295 uint8_t uid[10] = {0x00};\r
1296 uint32_t cuid = 0x00;\r
1297 \r
1298 clear_trace();\r
1299 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
1300\r
1301 int len = iso14443a_select_card(uid, NULL, &cuid);\r
1302 if(!len) {\r
1303 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card");\r
1304 OnError(1);\r
1305 return;\r
1306 };\r
1307\r
1308 if(mifare_desfire_des_auth1(cuid, dataout)){\r
1309 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication part1: Fail.");\r
1310 OnError(4);\r
1311 return;\r
1312 }\r
1313\r
1314 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 1 FINISHED");\r
1315 cmd_send(CMD_ACK,1,cuid,0,dataout, sizeof(dataout));\r
1316}\r
1317\r
1318void Mifare_DES_Auth2(uint32_t arg0, uint8_t *datain){\r
1319\r
1320 uint32_t cuid = arg0;\r
1321 uint8_t key[16] = {0x00};\r
1322 byte_t dataout[12] = {0x00};\r
1323 byte_t isOK = 0;\r
1324 \r
1325 memcpy(key, datain, 16);\r
1326 \r
1327 isOK = mifare_desfire_des_auth2(cuid, key, dataout);\r
1328 \r
1329 if( isOK) {\r
1330 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("Authentication part2: Failed"); \r
1331 OnError(4);\r
1332 return;\r
1333 }\r
1334\r
1335 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 2 FINISHED");\r
1336\r
1337 cmd_send(CMD_ACK, isOK, 0, 0, dataout, sizeof(dataout));\r
1338 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
1339 LEDsoff();\r
1340}
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