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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 2014,2015,2016\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 if (MF_DBGLEVEL >= 2) DbpString("READ SECTOR FINISHED");\r
239\r
240 crypto1_destroy(pcs);\r
241\r
242 LED_B_ON();\r
243 cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,16*NumBlocksPerSector(sectorNo));\r
244 LED_B_OFF();\r
245\r
246 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
247 LEDsoff();\r
248 set_tracing(FALSE);\r
249}\r
250\r
251// arg0 = blockNo (start)\r
252// arg1 = Pages (number of blocks)\r
253// arg2 = useKey\r
254// datain = KEY bytes\r
255void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain)\r
256{\r
257 LEDsoff();\r
258 LED_A_ON();\r
259 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
260\r
261 // free eventually allocated BigBuf memory\r
262 BigBuf_free(); BigBuf_Clear_ext(false);\r
263 clear_trace();\r
264 set_tracing(true);\r
265 \r
266 // params\r
267 uint8_t blockNo = arg0;\r
268 uint16_t blocks = arg1;\r
269 bool useKey = (arg2 == 1); //UL_C\r
270 bool usePwd = (arg2 == 2); //UL_EV1/NTAG\r
271 uint32_t countblocks = 0;\r
272 uint8_t *dataout = BigBuf_malloc(CARD_MEMORY_SIZE);\r
273 if (dataout == NULL){\r
274 Dbprintf("out of memory");\r
275 OnError(1);\r
276 return;\r
277 }\r
278\r
279 int len = iso14443a_select_card(NULL, NULL, NULL, true, 0);\r
280 if (!len) {\r
281 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card (RC:%d)",len);\r
282 OnError(1);\r
283 return;\r
284 }\r
285\r
286 // UL-C authentication\r
287 if ( useKey ) {\r
288 uint8_t key[16] = {0x00};\r
289 memcpy(key, datain, sizeof(key) );\r
290\r
291 if ( !mifare_ultra_auth(key) ) {\r
292 OnError(1);\r
293 return;\r
294 }\r
295 }\r
296\r
297 // UL-EV1 / NTAG authentication\r
298 if (usePwd) {\r
299 uint8_t pwd[4] = {0x00};\r
300 memcpy(pwd, datain, sizeof(pwd));\r
301 uint8_t pack[4] = {0,0,0,0};\r
302\r
303 if (!mifare_ul_ev1_auth(pwd, pack)){\r
304 OnError(1);\r
305 return; \r
306 }\r
307 }\r
308\r
309 for (int i = 0; i < blocks; i++){\r
310 if ((i*4) + 4 >= CARD_MEMORY_SIZE) {\r
311 Dbprintf("Data exceeds buffer!!");\r
312 break;\r
313 }\r
314\r
315 len = mifare_ultra_readblock(blockNo + i, dataout + 4 * i);\r
316 \r
317 if (len) {\r
318 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Read block %d error",i);\r
319 // if no blocks read - error out\r
320 if (i==0){\r
321 OnError(2);\r
322 return;\r
323 } else {\r
324 //stop at last successful read block and return what we got\r
325 break;\r
326 }\r
327 } else {\r
328 countblocks++;\r
329 }\r
330 }\r
331\r
332 len = mifare_ultra_halt();\r
333 if (len) {\r
334 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Halt error");\r
335 OnError(3);\r
336 return;\r
337 }\r
338\r
339 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("Blocks read %d", countblocks);\r
340\r
341 countblocks *= 4;\r
342\r
343 cmd_send(CMD_ACK, 1, countblocks, BigBuf_max_traceLen(), 0, 0);\r
344 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
345 LEDsoff();\r
346 BigBuf_free();\r
347 set_tracing(FALSE);\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 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
417 LEDsoff();\r
418 set_tracing(FALSE);\r
419}\r
420\r
421/* // Command not needed but left for future testing \r
422void MifareUWriteBlockCompat(uint8_t arg0, uint8_t *datain)\r
423{\r
424 uint8_t blockNo = arg0;\r
425 byte_t blockdata[16] = {0x00};\r
426\r
427 memcpy(blockdata, datain, 16);\r
428\r
429 uint8_t uid[10] = {0x00};\r
430\r
431 LED_A_ON(); LED_B_OFF(); LED_C_OFF();\r
432\r
433 clear_trace();\r
434 set_tracing(true);\r
435 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
436\r
437 if(!iso14443a_select_card(uid, NULL, NULL, true, 0)) {\r
438 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
439 OnError(0);\r
440 return;\r
441 };\r
442\r
443 if(mifare_ultra_writeblock_compat(blockNo, blockdata)) {\r
444 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
445 OnError(0);\r
446 return; };\r
447\r
448 if(mifare_ultra_halt()) {\r
449 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
450 OnError(0);\r
451 return;\r
452 };\r
453\r
454 if (MF_DBGLEVEL >= 2) DbpString("WRITE BLOCK FINISHED");\r
455\r
456 cmd_send(CMD_ACK,1,0,0,0,0);\r
457 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
458 LEDsoff();\r
459}\r
460*/\r
461\r
462// Arg0 : Block to write to.\r
463// Arg1 : 0 = use no authentication.\r
464// 1 = use 0x1A authentication.\r
465// 2 = use 0x1B authentication.\r
466// datain : 4 first bytes is data to be written.\r
467// : 4/16 next bytes is authentication key.\r
468void MifareUWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain)\r
469{\r
470 uint8_t blockNo = arg0;\r
471 bool useKey = (arg1 == 1); //UL_C\r
472 bool usePwd = (arg1 == 2); //UL_EV1/NTAG\r
473 byte_t blockdata[4] = {0x00};\r
474\r
475 memcpy(blockdata, datain,4);\r
476 \r
477 LEDsoff();\r
478 LED_A_ON();\r
479 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
480\r
481 clear_trace();\r
482 set_tracing(true);\r
483 \r
484 if(!iso14443a_select_card(NULL, NULL, NULL, true, 0)) {\r
485 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
486 OnError(0);\r
487 return;\r
488 };\r
489\r
490 // UL-C authentication\r
491 if ( useKey ) {\r
492 uint8_t key[16] = {0x00}; \r
493 memcpy(key, datain+4, sizeof(key) );\r
494\r
495 if ( !mifare_ultra_auth(key) ) {\r
496 OnError(1);\r
497 return; \r
498 }\r
499 }\r
500 \r
501 // UL-EV1 / NTAG authentication\r
502 if (usePwd) { \r
503 uint8_t pwd[4] = {0x00};\r
504 memcpy(pwd, datain+4, 4);\r
505 uint8_t pack[4] = {0,0,0,0};\r
506 if (!mifare_ul_ev1_auth(pwd, pack)) {\r
507 OnError(1);\r
508 return; \r
509 }\r
510 }\r
511 \r
512 if(mifare_ultra_writeblock(blockNo, blockdata)) {\r
513 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
514 OnError(0);\r
515 return;\r
516 };\r
517\r
518 if(mifare_ultra_halt()) {\r
519 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
520 OnError(0);\r
521 return;\r
522 };\r
523\r
524 if (MF_DBGLEVEL >= 2) DbpString("WRITE BLOCK FINISHED");\r
525\r
526 cmd_send(CMD_ACK,1,0,0,0,0);\r
527 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
528 LEDsoff();\r
529 set_tracing(FALSE);\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 set_tracing(FALSE);\r
601}\r
602\r
603// Return 1 if the nonce is invalid else return 0\r
604int valid_nonce(uint32_t Nt, uint32_t NtEnc, uint32_t Ks1, uint8_t *parity) {\r
605 return ((oddparity8((Nt >> 24) & 0xFF) == ((parity[0]) ^ oddparity8((NtEnc >> 24) & 0xFF) ^ BIT(Ks1,16))) & \\r
606 (oddparity8((Nt >> 16) & 0xFF) == ((parity[1]) ^ oddparity8((NtEnc >> 16) & 0xFF) ^ BIT(Ks1,8))) & \\r
607 (oddparity8((Nt >> 8) & 0xFF) == ((parity[2]) ^ oddparity8((NtEnc >> 8) & 0xFF) ^ BIT(Ks1,0)))) ? 1 : 0;\r
608}\r
609\r
610\r
611//-----------------------------------------------------------------------------\r
612// acquire encrypted nonces in order to perform the attack described in\r
613// Carlo Meijer, Roel Verdult, "Ciphertext-only Cryptanalysis on Hardened\r
614// Mifare Classic Cards" in Proceedings of the 22nd ACM SIGSAC Conference on \r
615// Computer and Communications Security, 2015\r
616//-----------------------------------------------------------------------------\r
617#define AUTHENTICATION_TIMEOUT 848 // card times out 1ms after wrong authentication (according to NXP documentation)\r
618#define PRE_AUTHENTICATION_LEADTIME 400 // some (non standard) cards need a pause after select before they are ready for first authentication \r
619\r
620void MifareAcquireEncryptedNonces(uint32_t arg0, uint32_t arg1, uint32_t flags, uint8_t *datain)\r
621{\r
622 uint64_t ui64Key = 0;\r
623 uint8_t uid[10] = {0x00};\r
624 uint32_t cuid = 0;\r
625 uint8_t cascade_levels = 0;\r
626 struct Crypto1State mpcs = {0, 0};\r
627 struct Crypto1State *pcs;\r
628 pcs = &mpcs;\r
629 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE] = {0x00};\r
630 int16_t isOK = 0;\r
631 uint8_t par_enc[1] = {0x00};\r
632 uint8_t nt_par_enc = 0;\r
633 uint8_t buf[USB_CMD_DATA_SIZE] = {0x00};\r
634 uint32_t timeout = 0;\r
635 \r
636 uint8_t blockNo = arg0 & 0xff;\r
637 uint8_t keyType = (arg0 >> 8) & 0xff;\r
638 uint8_t targetBlockNo = arg1 & 0xff;\r
639 uint8_t targetKeyType = (arg1 >> 8) & 0xff;\r
640 ui64Key = bytes_to_num(datain, 6);\r
641 bool initialize = flags & 0x0001;\r
642 bool slow = flags & 0x0002;\r
643 bool field_off = flags & 0x0004;\r
644 \r
645 LED_A_ON();\r
646 LED_C_OFF();\r
647\r
648 if (initialize) {\r
649 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
650 clear_trace();\r
651 set_tracing(true);\r
652 }\r
653 \r
654 LED_C_ON();\r
655 \r
656 uint16_t num_nonces = 0;\r
657 bool have_uid = false;\r
658 for (uint16_t i = 0; i <= USB_CMD_DATA_SIZE - 9; ) {\r
659\r
660 // Test if the action was cancelled\r
661 if(BUTTON_PRESS()) {\r
662 isOK = 2;\r
663 field_off = true;\r
664 break;\r
665 }\r
666\r
667 if (!have_uid) { // need a full select cycle to get the uid first\r
668 iso14a_card_select_t card_info; \r
669 if(!iso14443a_select_card(uid, &card_info, &cuid, true, 0)) {\r
670 if (MF_DBGLEVEL >= 1) Dbprintf("AcquireNonces: Can't select card (ALL)");\r
671 continue;\r
672 }\r
673 switch (card_info.uidlen) {\r
674 case 4 : cascade_levels = 1; break;\r
675 case 7 : cascade_levels = 2; break;\r
676 case 10: cascade_levels = 3; break;\r
677 default: break;\r
678 }\r
679 have_uid = true; \r
680 } else { // no need for anticollision. We can directly select the card\r
681 if(!iso14443a_select_card(uid, NULL, NULL, false, cascade_levels)) {\r
682 if (MF_DBGLEVEL >= 1) Dbprintf("AcquireNonces: Can't select card (UID)");\r
683 continue;\r
684 }\r
685 }\r
686 \r
687 if (slow) {\r
688 timeout = GetCountSspClk() + PRE_AUTHENTICATION_LEADTIME;\r
689 while(GetCountSspClk() < timeout);\r
690 }\r
691\r
692 uint32_t nt1;\r
693 if (mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1, NULL)) {\r
694 if (MF_DBGLEVEL >= 1) Dbprintf("AcquireNonces: Auth1 error");\r
695 continue;\r
696 }\r
697\r
698 // nested authentication\r
699 uint16_t len = mifare_sendcmd_short(pcs, AUTH_NESTED, 0x60 + (targetKeyType & 0x01), targetBlockNo, receivedAnswer, par_enc, NULL);\r
700 if (len != 4) {\r
701 if (MF_DBGLEVEL >= 1) Dbprintf("AcquireNonces: Auth2 error len=%d", len);\r
702 continue;\r
703 }\r
704 \r
705 // send a dummy byte as reader response in order to trigger the cards authentication timeout\r
706 uint8_t dummy_answer = 0;\r
707 ReaderTransmit(&dummy_answer, 1, NULL);\r
708 timeout = GetCountSspClk() + AUTHENTICATION_TIMEOUT;\r
709 \r
710 num_nonces++;\r
711 if (num_nonces % 2) {\r
712 memcpy(buf+i, receivedAnswer, 4);\r
713 nt_par_enc = par_enc[0] & 0xf0;\r
714 } else {\r
715 nt_par_enc |= par_enc[0] >> 4;\r
716 memcpy(buf+i+4, receivedAnswer, 4);\r
717 memcpy(buf+i+8, &nt_par_enc, 1);\r
718 i += 9;\r
719 }\r
720\r
721 // wait for the card to become ready again\r
722 while(GetCountSspClk() < timeout);\r
723 \r
724 }\r
725\r
726 LED_C_OFF();\r
727 \r
728 crypto1_destroy(pcs);\r
729 \r
730 LED_B_ON();\r
731 cmd_send(CMD_ACK, isOK, cuid, num_nonces, buf, sizeof(buf));\r
732 LED_B_OFF();\r
733\r
734 if (MF_DBGLEVEL >= 3) DbpString("AcquireEncryptedNonces finished");\r
735\r
736 if (field_off) {\r
737 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
738 LEDsoff();\r
739 set_tracing(FALSE);\r
740 }\r
741}\r
742\r
743\r
744//-----------------------------------------------------------------------------\r
745// MIFARE nested authentication. \r
746// \r
747//-----------------------------------------------------------------------------\r
748void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *datain)\r
749{\r
750 // params\r
751 uint8_t blockNo = arg0 & 0xff;\r
752 uint8_t keyType = (arg0 >> 8) & 0xff;\r
753 uint8_t targetBlockNo = arg1 & 0xff;\r
754 uint8_t targetKeyType = (arg1 >> 8) & 0xff;\r
755 uint64_t ui64Key = 0;\r
756\r
757 ui64Key = bytes_to_num(datain, 6);\r
758 \r
759 // variables\r
760 uint16_t rtr, i, j, len;\r
761 uint16_t davg = 0;\r
762 static uint16_t dmin, dmax;\r
763 uint8_t uid[10] = {0x00};\r
764 uint32_t cuid = 0, nt1, nt2, nttmp, nttest, ks1;\r
765 uint8_t par[1] = {0x00};\r
766 uint32_t target_nt[2] = {0x00}, target_ks[2] = {0x00};\r
767 \r
768 uint8_t par_array[4] = {0x00};\r
769 uint16_t ncount = 0;\r
770 struct Crypto1State mpcs = {0, 0};\r
771 struct Crypto1State *pcs;\r
772 pcs = &mpcs;\r
773 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE] = {0x00};\r
774\r
775 uint32_t auth1_time, auth2_time;\r
776 static uint16_t delta_time = 0;\r
777\r
778 LED_A_ON();\r
779 LED_C_OFF();\r
780 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
781\r
782 // free eventually allocated BigBuf memory\r
783 BigBuf_free(); BigBuf_Clear_ext(false);\r
784 \r
785 if (calibrate) clear_trace();\r
786 set_tracing(true);\r
787\r
788 // statistics on nonce distance\r
789 int16_t isOK = 0;\r
790 #define NESTED_MAX_TRIES 12\r
791 uint16_t unsuccessfull_tries = 0;\r
792 if (calibrate) { // for first call only. Otherwise reuse previous calibration\r
793 LED_B_ON();\r
794 WDT_HIT();\r
795\r
796 davg = dmax = 0;\r
797 dmin = 2000;\r
798 delta_time = 0;\r
799 \r
800 for (rtr = 0; rtr < 17; rtr++) {\r
801\r
802 // Test if the action was cancelled\r
803 if(BUTTON_PRESS()) {\r
804 isOK = -2;\r
805 break;\r
806 }\r
807\r
808 // prepare next select. No need to power down the card.\r
809 if(mifare_classic_halt(pcs, cuid)) {\r
810 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Halt error");\r
811 rtr--;\r
812 continue;\r
813 }\r
814\r
815 if(!iso14443a_select_card(uid, NULL, &cuid, true, 0)) {\r
816 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Can't select card");\r
817 rtr--;\r
818 continue;\r
819 };\r
820\r
821 auth1_time = 0;\r
822 if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1, &auth1_time)) {\r
823 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth1 error");\r
824 rtr--;\r
825 continue;\r
826 };\r
827 auth2_time = (delta_time) ? auth1_time + delta_time : 0;\r
828\r
829 if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_NESTED, &nt2, &auth2_time)) {\r
830 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth2 error");\r
831 rtr--;\r
832 continue;\r
833 };\r
834\r
835 nttmp = prng_successor(nt1, 100); //NXP Mifare is typical around 840,but for some unlicensed/compatible mifare card this can be 160\r
836 for (i = 101; i < 1200; i++) {\r
837 nttmp = prng_successor(nttmp, 1);\r
838 if (nttmp == nt2) break;\r
839 }\r
840\r
841 if (i != 1200) {\r
842 if (rtr != 0) {\r
843 davg += i;\r
844 dmin = MIN(dmin, i);\r
845 dmax = MAX(dmax, i);\r
846 }\r
847 else {\r
848 delta_time = auth2_time - auth1_time + 32; // allow some slack for proper timing\r
849 }\r
850 if (MF_DBGLEVEL >= 3) Dbprintf("Nested: calibrating... ntdist=%d", i);\r
851 } else {\r
852 unsuccessfull_tries++;\r
853 if (unsuccessfull_tries > NESTED_MAX_TRIES) { // card isn't vulnerable to nested attack (random numbers are not predictable)\r
854 isOK = -3;\r
855 }\r
856 }\r
857 }\r
858\r
859 davg = (davg + (rtr - 1)/2) / (rtr - 1);\r
860 \r
861 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
862\r
863 dmin = davg - 2;\r
864 dmax = davg + 2;\r
865 \r
866 LED_B_OFF();\r
867 }\r
868// ------------------------------------------------------------------------------------------------- \r
869 \r
870 LED_C_ON();\r
871\r
872 // get crypted nonces for target sector\r
873 for(i=0; i < 2 && !isOK; i++) { // look for exactly two different nonces\r
874\r
875 target_nt[i] = 0;\r
876 while(target_nt[i] == 0) { // continue until we have an unambiguous nonce\r
877 \r
878 // prepare next select. No need to power down the card.\r
879 if(mifare_classic_halt(pcs, cuid)) {\r
880 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Halt error");\r
881 continue;\r
882 }\r
883\r
884 if(!iso14443a_select_card(uid, NULL, &cuid, true, 0)) {\r
885 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Can't select card");\r
886 continue;\r
887 };\r
888 \r
889 auth1_time = 0;\r
890 if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1, &auth1_time)) {\r
891 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth1 error");\r
892 continue;\r
893 };\r
894\r
895 // nested authentication\r
896 auth2_time = auth1_time + delta_time;\r
897\r
898 len = mifare_sendcmd_short(pcs, AUTH_NESTED, 0x60 + (targetKeyType & 0x01), targetBlockNo, receivedAnswer, par, &auth2_time);\r
899 if (len != 4) {\r
900 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth2 error len=%d", len);\r
901 continue;\r
902 };\r
903 \r
904 nt2 = bytes_to_num(receivedAnswer, 4); \r
905 if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: Testing nt1=%08x nt2enc=%08x nt2par=%02x", i+1, nt1, nt2, par[0]);\r
906 \r
907 // Parity validity check\r
908// for (j = 0; j < 4; j++) {\r
909// par_array[j] = (oddparity8(receivedAnswer[j]) != ((par[0] >> (7-j)) & 0x01));\r
910// }\r
911 par_array[0] = (oddparity8(receivedAnswer[0]) != ((par[0] >> (7-0)) & 0x01));\r
912 par_array[1] = (oddparity8(receivedAnswer[1]) != ((par[0] >> (7-1)) & 0x01));\r
913 par_array[2] = (oddparity8(receivedAnswer[2]) != ((par[0] >> (7-2)) & 0x01));\r
914 par_array[3] = (oddparity8(receivedAnswer[3]) != ((par[0] >> (7-3)) & 0x01));\r
915 \r
916 ncount = 0;\r
917 nttest = prng_successor(nt1, dmin - 1);\r
918 for (j = dmin; j < dmax + 1; j++) {\r
919 nttest = prng_successor(nttest, 1);\r
920 ks1 = nt2 ^ nttest;\r
921\r
922 if (valid_nonce(nttest, nt2, ks1, par_array)){\r
923 if (ncount > 0) { // we are only interested in disambiguous nonces, try again\r
924 if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: dismissed (ambigous), ntdist=%d", i+1, j);\r
925 target_nt[i] = 0;\r
926 break;\r
927 }\r
928 target_nt[i] = nttest;\r
929 target_ks[i] = ks1;\r
930 ncount++;\r
931 if (i == 1 && target_nt[1] == target_nt[0]) { // we need two different nonces\r
932 target_nt[i] = 0;\r
933 if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#2: dismissed (= nonce#1), ntdist=%d", j);\r
934 break;\r
935 }\r
936 if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: valid, ntdist=%d", i+1, j);\r
937 }\r
938 }\r
939 if (target_nt[i] == 0 && j == dmax+1 && MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: dismissed (all invalid)", i+1);\r
940 }\r
941 }\r
942\r
943 LED_C_OFF();\r
944 \r
945 crypto1_destroy(pcs);\r
946 \r
947 byte_t buf[4 + 4 * 4] = {0};\r
948 memcpy(buf, &cuid, 4);\r
949 memcpy(buf+4, &target_nt[0], 4);\r
950 memcpy(buf+8, &target_ks[0], 4);\r
951 memcpy(buf+12, &target_nt[1], 4);\r
952 memcpy(buf+16, &target_ks[1], 4);\r
953 \r
954 LED_B_ON();\r
955 cmd_send(CMD_ACK, isOK, 0, targetBlockNo + (targetKeyType * 0x100), buf, sizeof(buf));\r
956 LED_B_OFF();\r
957\r
958 if (MF_DBGLEVEL >= 3) DbpString("NESTED FINISHED");\r
959\r
960 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
961 LEDsoff();\r
962 set_tracing(FALSE);\r
963}\r
964\r
965//-----------------------------------------------------------------------------\r
966// MIFARE check keys. key count up to 85. \r
967// \r
968//-----------------------------------------------------------------------------\r
969void MifareChkKeys(uint16_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain) {\r
970 uint8_t blockNo = arg0 & 0xff;\r
971 uint8_t keyType = (arg0 >> 8) & 0xff;\r
972 bool clearTrace = arg1;\r
973 uint8_t keyCount = arg2;\r
974 uint64_t ui64Key = 0;\r
975 \r
976 bool have_uid = FALSE;\r
977 uint8_t cascade_levels = 0;\r
978 uint32_t timeout = 0;\r
979 \r
980 int i;\r
981 byte_t isOK = 0;\r
982 uint8_t uid[10] = {0x00};\r
983 uint32_t cuid = 0;\r
984 struct Crypto1State mpcs = {0, 0};\r
985 struct Crypto1State *pcs;\r
986 pcs = &mpcs;\r
987 \r
988 // save old debuglevel, and tempory turn off dbg printing. speedissues.\r
989 int OLD_MF_DBGLEVEL = MF_DBGLEVEL; \r
990 MF_DBGLEVEL = MF_DBG_NONE;\r
991 \r
992 LEDsoff();\r
993 LED_A_ON();\r
994 \r
995 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
996\r
997 if (clearTrace) \r
998 clear_trace();\r
999 \r
1000 set_tracing(TRUE);\r
1001 \r
1002 for (i = 0; i < keyCount; ++i) {\r
1003\r
1004 //mifare_classic_halt(pcs, cuid);\r
1005\r
1006 // this part is from Piwi's faster nonce collecting part in Hardnested.\r
1007 if (!have_uid) { // need a full select cycle to get the uid first\r
1008 iso14a_card_select_t card_info; \r
1009 if(!iso14443a_select_card(uid, &card_info, &cuid, true, 0)) {\r
1010 if (MF_DBGLEVEL >= 1) Dbprintf("ChkKeys: Can't select card (ALL)");\r
1011 break;\r
1012 }\r
1013 switch (card_info.uidlen) {\r
1014 case 4 : cascade_levels = 1; break;\r
1015 case 7 : cascade_levels = 2; break;\r
1016 case 10: cascade_levels = 3; break;\r
1017 default: break;\r
1018 }\r
1019 have_uid = TRUE; \r
1020 } else { // no need for anticollision. We can directly select the card\r
1021 if(!iso14443a_select_card(uid, NULL, NULL, false, cascade_levels)) {\r
1022 if (MF_DBGLEVEL >= 1) Dbprintf("ChkKeys: Can't select card (UID)");\r
1023 continue;\r
1024 }\r
1025 }\r
1026 \r
1027 ui64Key = bytes_to_num(datain + i * 6, 6);\r
1028 \r
1029 if (mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {\r
1030\r
1031 uint8_t dummy_answer = 0;\r
1032 ReaderTransmit(&dummy_answer, 1, NULL);\r
1033 timeout = GetCountSspClk() + AUTHENTICATION_TIMEOUT;\r
1034 \r
1035 // wait for the card to become ready again\r
1036 while(GetCountSspClk() < timeout);\r
1037 \r
1038 continue;\r
1039 }\r
1040 isOK = 1;\r
1041 break;\r
1042 }\r
1043 \r
1044 LED_B_ON();\r
1045 cmd_send(CMD_ACK, isOK, 0, 0, datain + i * 6, 6);\r
1046\r
1047 // restore debug level\r
1048 MF_DBGLEVEL = OLD_MF_DBGLEVEL; \r
1049 \r
1050 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
1051 LEDsoff();\r
1052 set_tracing(FALSE);\r
1053 crypto1_destroy(pcs);\r
1054}\r
1055\r
1056//-----------------------------------------------------------------------------\r
1057// MIFARE commands set debug level\r
1058// \r
1059//-----------------------------------------------------------------------------\r
1060void MifareSetDbgLvl(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
1061 MF_DBGLEVEL = arg0;\r
1062 Dbprintf("Debug level: %d", MF_DBGLEVEL);\r
1063}\r
1064\r
1065//-----------------------------------------------------------------------------\r
1066// Work with emulator memory\r
1067// \r
1068// Note: we call FpgaDownloadAndGo(FPGA_BITSTREAM_HF) here although FPGA is not\r
1069// involved in dealing with emulator memory. But if it is called later, it might\r
1070// destroy the Emulator Memory.\r
1071//-----------------------------------------------------------------------------\r
1072\r
1073void MifareEMemClr(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
1074 FpgaDownloadAndGo(FPGA_BITSTREAM_HF);\r
1075 emlClearMem();\r
1076}\r
1077\r
1078void MifareEMemSet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
1079 FpgaDownloadAndGo(FPGA_BITSTREAM_HF);\r
1080 if (arg2==0) arg2 = 16; // backwards compat... default bytewidth\r
1081 emlSetMem_xt(datain, arg0, arg1, arg2); // data, block num, blocks count, block byte width\r
1082}\r
1083\r
1084void MifareEMemGet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
1085 FpgaDownloadAndGo(FPGA_BITSTREAM_HF);\r
1086 byte_t buf[USB_CMD_DATA_SIZE] = {0x00};\r
1087 emlGetMem(buf, arg0, arg1); // data, block num, blocks count (max 4)\r
1088\r
1089 LED_B_ON();\r
1090 cmd_send(CMD_ACK,arg0,arg1,0,buf,USB_CMD_DATA_SIZE);\r
1091 LED_B_OFF();\r
1092}\r
1093\r
1094//-----------------------------------------------------------------------------\r
1095// Load a card into the emulator memory\r
1096// \r
1097//-----------------------------------------------------------------------------\r
1098void MifareECardLoad(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
1099 uint8_t numSectors = arg0;\r
1100 uint8_t keyType = arg1;\r
1101 uint64_t ui64Key = 0;\r
1102 uint32_t cuid = 0;\r
1103 struct Crypto1State mpcs = {0, 0};\r
1104 struct Crypto1State *pcs;\r
1105 pcs = &mpcs;\r
1106\r
1107 // variables\r
1108 byte_t dataoutbuf[16] = {0x00};\r
1109 byte_t dataoutbuf2[16] = {0x00};\r
1110 uint8_t uid[10] = {0x00};\r
1111\r
1112 LED_A_ON();\r
1113 LED_B_OFF();\r
1114 LED_C_OFF();\r
1115 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
1116 \r
1117 clear_trace();\r
1118 set_tracing(TRUE);\r
1119 \r
1120 bool isOK = true;\r
1121\r
1122 if(!iso14443a_select_card(uid, NULL, &cuid, true, 0)) {\r
1123 isOK = false;\r
1124 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
1125 }\r
1126 \r
1127 for (uint8_t sectorNo = 0; isOK && sectorNo < numSectors; sectorNo++) {\r
1128 ui64Key = emlGetKey(sectorNo, keyType);\r
1129 if (sectorNo == 0){\r
1130 if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_FIRST)) {\r
1131 isOK = false;\r
1132 if (MF_DBGLEVEL >= 1) Dbprintf("Sector[%2d]. Auth error", sectorNo);\r
1133 break;\r
1134 }\r
1135 } else {\r
1136 if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_NESTED)) {\r
1137 isOK = false;\r
1138 if (MF_DBGLEVEL >= 1) Dbprintf("Sector[%2d]. Auth nested error", sectorNo);\r
1139 break;\r
1140 }\r
1141 }\r
1142 \r
1143 for (uint8_t blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) {\r
1144 if(isOK && mifare_classic_readblock(pcs, cuid, FirstBlockOfSector(sectorNo) + blockNo, dataoutbuf)) {\r
1145 isOK = false;\r
1146 if (MF_DBGLEVEL >= 1) Dbprintf("Error reading sector %2d block %2d", sectorNo, blockNo);\r
1147 break;\r
1148 }\r
1149 if (isOK) {\r
1150 if (blockNo < NumBlocksPerSector(sectorNo) - 1) {\r
1151 emlSetMem(dataoutbuf, FirstBlockOfSector(sectorNo) + blockNo, 1);\r
1152 } else { // sector trailer, keep the keys, set only the AC\r
1153 emlGetMem(dataoutbuf2, FirstBlockOfSector(sectorNo) + blockNo, 1);\r
1154 memcpy(&dataoutbuf2[6], &dataoutbuf[6], 4);\r
1155 emlSetMem(dataoutbuf2, FirstBlockOfSector(sectorNo) + blockNo, 1);\r
1156 }\r
1157 }\r
1158 }\r
1159\r
1160 }\r
1161\r
1162 if(mifare_classic_halt(pcs, cuid))\r
1163 if (MF_DBGLEVEL >= 1)\r
1164 Dbprintf("Halt error");\r
1165\r
1166 // ----------------------------- crypto1 destroy\r
1167 crypto1_destroy(pcs);\r
1168\r
1169 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
1170 LEDsoff();\r
1171 \r
1172 if (MF_DBGLEVEL >= 2) DbpString("EMUL FILL SECTORS FINISHED");\r
1173\r
1174 set_tracing(FALSE);\r
1175}\r
1176\r
1177\r
1178//-----------------------------------------------------------------------------\r
1179// Work with "magic Chinese" card (email him: ouyangweidaxian@live.cn)\r
1180// \r
1181// PARAMS - workFlags\r
1182// bit 0 - need get UID\r
1183// bit 1 - need wupC\r
1184// bit 2 - need HALT after sequence\r
1185// bit 3 - need turn on FPGA before sequence\r
1186// bit 4 - need turn off FPGA\r
1187// bit 5 - need to set datain instead of issuing USB reply (called via ARM for StandAloneMode14a)\r
1188// bit 6 - wipe tag.\r
1189//-----------------------------------------------------------------------------\r
1190// magic uid card generation 1 commands\r
1191uint8_t wupC1[] = { MIFARE_MAGICWUPC1 }; \r
1192uint8_t wupC2[] = { MIFARE_MAGICWUPC2 }; \r
1193uint8_t wipeC[] = { MIFARE_MAGICWIPEC }; \r
1194 \r
1195void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint8_t *datain){\r
1196 \r
1197 // params\r
1198 uint8_t workFlags = arg0;\r
1199 uint8_t blockNo = arg1;\r
1200 \r
1201 // variables\r
1202 bool isOK = false; //assume we will get an error\r
1203 uint8_t errormsg = 0x00;\r
1204 uint8_t uid[10] = {0x00};\r
1205 uint8_t data[18] = {0x00};\r
1206 uint32_t cuid = 0;\r
1207 \r
1208 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE] = {0x00};\r
1209 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE] = {0x00};\r
1210\r
1211 if (workFlags & MAGIC_INIT) {\r
1212 LED_A_ON();\r
1213 LED_B_OFF();\r
1214 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
1215 clear_trace();\r
1216 set_tracing(TRUE);\r
1217 }\r
1218\r
1219 //loop doesn't loop just breaks out if error\r
1220 while (true) {\r
1221 // read UID and return to client with write\r
1222 if (workFlags & MAGIC_UID) {\r
1223 if(!iso14443a_select_card(uid, NULL, &cuid, true, 0)) {\r
1224 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card");\r
1225 errormsg = MAGIC_UID;\r
1226 // break;\r
1227 }\r
1228 \r
1229 if ( mifare_classic_halt_ex(NULL) ) break;\r
1230 }\r
1231 \r
1232 // wipe tag, fill it with zeros\r
1233 if (workFlags & MAGIC_WIPE){\r
1234 ReaderTransmitBitsPar(wupC1, 7, NULL, NULL);\r
1235 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1236 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("wupC1 error");\r
1237 errormsg = MAGIC_WIPE;\r
1238 break;\r
1239 }\r
1240\r
1241 ReaderTransmit(wipeC, sizeof(wipeC), NULL);\r
1242 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1243 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("wipeC error");\r
1244 errormsg = MAGIC_WIPE;\r
1245 break;\r
1246 }\r
1247\r
1248 if ( mifare_classic_halt_ex(NULL) ) break;\r
1249 } \r
1250\r
1251 // write block\r
1252 if (workFlags & MAGIC_WUPC) {\r
1253 ReaderTransmitBitsPar(wupC1, 7, NULL, NULL);\r
1254 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1255 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("wupC1 error");\r
1256 errormsg = MAGIC_WUPC;\r
1257 break;\r
1258 }\r
1259\r
1260 ReaderTransmit(wupC2, sizeof(wupC2), NULL);\r
1261 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1262 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("wupC2 error");\r
1263 errormsg = MAGIC_WUPC;\r
1264 break;\r
1265 }\r
1266 }\r
1267\r
1268 if ((mifare_sendcmd_short(NULL, 0, ISO14443A_CMD_WRITEBLOCK, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 1) || (receivedAnswer[0] != 0x0a)) {\r
1269 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("write block send command error");\r
1270 errormsg = 4;\r
1271 break;\r
1272 }\r
1273 \r
1274 memcpy(data, datain, 16);\r
1275 AppendCrc14443a(data, 16);\r
1276 \r
1277 ReaderTransmit(data, sizeof(data), NULL);\r
1278 if ((ReaderReceive(receivedAnswer, receivedAnswerPar) != 1) || (receivedAnswer[0] != 0x0a)) {\r
1279 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("write block send data error");\r
1280 errormsg = 0;\r
1281 break;\r
1282 } \r
1283 \r
1284 if (workFlags & MAGIC_OFF) \r
1285 if ( mifare_classic_halt_ex(NULL) ) break;\r
1286 \r
1287 isOK = true;\r
1288 break;\r
1289\r
1290 } // end while \r
1291\r
1292 if (isOK )\r
1293 cmd_send(CMD_ACK,1,0,0,uid,sizeof(uid));\r
1294 else\r
1295 OnErrorMagic(errormsg);\r
1296\r
1297 if (workFlags & MAGIC_OFF)\r
1298 OnSuccessMagic();\r
1299}\r
1300\r
1301void MifareCGetBlock(uint32_t arg0, uint32_t arg1, uint8_t *datain){\r
1302 \r
1303 uint8_t workFlags = arg0;\r
1304 uint8_t blockNo = arg1;\r
1305 uint8_t errormsg = 0x00;\r
1306 bool isOK = false; //assume we will get an error\r
1307 \r
1308 // variables\r
1309 uint8_t data[MAX_MIFARE_FRAME_SIZE];\r
1310 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE] = {0x00};\r
1311 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE] = {0x00};\r
1312 \r
1313 memset(data, 0x00, sizeof(data));\r
1314 \r
1315 if (workFlags & MAGIC_INIT) {\r
1316 LED_A_ON();\r
1317 LED_B_OFF();\r
1318 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); \r
1319 clear_trace();\r
1320 set_tracing(TRUE);\r
1321 }\r
1322\r
1323 //loop doesn't loop just breaks out if error or done\r
1324 while (true) {\r
1325 if (workFlags & MAGIC_WUPC) {\r
1326 ReaderTransmitBitsPar(wupC1, 7, NULL, NULL);\r
1327 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1328 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("wupC1 error");\r
1329 errormsg = MAGIC_WUPC;\r
1330 break;\r
1331 }\r
1332\r
1333 ReaderTransmit(wupC2, sizeof(wupC2), NULL);\r
1334 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1335 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("wupC2 error");\r
1336 errormsg = MAGIC_WUPC;\r
1337 break;\r
1338 }\r
1339 }\r
1340\r
1341 // read block \r
1342 if ((mifare_sendcmd_short(NULL, 0, ISO14443A_CMD_READBLOCK, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 18)) {\r
1343 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("read block send command error");\r
1344 errormsg = 0;\r
1345 break;\r
1346 }\r
1347 \r
1348 memcpy(data, receivedAnswer, sizeof(data));\r
1349 \r
1350 // send HALT\r
1351 if (workFlags & MAGIC_HALT)\r
1352 mifare_classic_halt_ex(NULL);\r
1353\r
1354 isOK = true;\r
1355 break;\r
1356 }\r
1357 // if MAGIC_DATAIN, the data stays on device side.\r
1358 if (workFlags & MAGIC_DATAIN) {\r
1359 if (isOK)\r
1360 memcpy(datain, data, sizeof(data));\r
1361 } else {\r
1362 if (isOK) \r
1363 cmd_send(CMD_ACK,1,0,0,data,sizeof(data)); \r
1364 else \r
1365 OnErrorMagic(errormsg); \r
1366 }\r
1367 \r
1368 if (workFlags & MAGIC_OFF)\r
1369 OnSuccessMagic();\r
1370}\r
1371\r
1372void MifareCIdent(){\r
1373 \r
1374 // variables\r
1375 bool isOK = true; \r
1376 uint8_t receivedAnswer[1] = {0x00};\r
1377 uint8_t receivedAnswerPar[1] = {0x00};\r
1378\r
1379 ReaderTransmitBitsPar(wupC1, 7, NULL, NULL);\r
1380 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1381 isOK = false;\r
1382 }\r
1383\r
1384 ReaderTransmit(wupC2, sizeof(wupC2), NULL);\r
1385 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1386 isOK = false;\r
1387 }\r
1388\r
1389 // removed the if, since some magic tags misbehavies and send an answer to it.\r
1390 mifare_classic_halt(NULL, 0);\r
1391 cmd_send(CMD_ACK,isOK,0,0,0,0);\r
1392}\r
1393\r
1394void OnSuccessMagic(){\r
1395 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
1396 LEDsoff();\r
1397 set_tracing(FALSE); \r
1398}\r
1399void OnErrorMagic(uint8_t reason){\r
1400 // ACK, ISOK, reason,0,0,0\r
1401 cmd_send(CMD_ACK,0,reason,0,0,0);\r
1402 OnSuccessMagic();\r
1403}\r
1404//\r
1405// DESFIRE\r
1406//\r
1407void Mifare_DES_Auth1(uint8_t arg0, uint8_t *datain){\r
1408 byte_t dataout[12] = {0x00};\r
1409 uint8_t uid[10] = {0x00};\r
1410 uint32_t cuid = 0;\r
1411 \r
1412 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
1413 clear_trace();\r
1414 set_tracing(true);\r
1415\r
1416 int len = iso14443a_select_card(uid, NULL, &cuid, true, 0);\r
1417 if(!len) {\r
1418 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card");\r
1419 OnError(1);\r
1420 return;\r
1421 };\r
1422\r
1423 if(mifare_desfire_des_auth1(cuid, dataout)){\r
1424 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication part1: Fail.");\r
1425 OnError(4);\r
1426 return;\r
1427 }\r
1428\r
1429 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 1 FINISHED");\r
1430 cmd_send(CMD_ACK, 1, cuid, 0, dataout, sizeof(dataout));\r
1431}\r
1432\r
1433void Mifare_DES_Auth2(uint32_t arg0, uint8_t *datain){\r
1434\r
1435 uint32_t cuid = arg0;\r
1436 uint8_t key[16] = {0x00};\r
1437 byte_t dataout[12] = {0x00};\r
1438 byte_t isOK = 0;\r
1439 \r
1440 memcpy(key, datain, 16);\r
1441 \r
1442 isOK = mifare_desfire_des_auth2(cuid, key, dataout);\r
1443 \r
1444 if( isOK) {\r
1445 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("Authentication part2: Failed"); \r
1446 OnError(4);\r
1447 return;\r
1448 }\r
1449\r
1450 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 2 FINISHED");\r
1451\r
1452 cmd_send(CMD_ACK, isOK, 0, 0, dataout, sizeof(dataout));\r
1453 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
1454 LEDsoff();\r
1455 set_tracing(FALSE);\r
1456}
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