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ADD: @marshmellows42 's fixes for "lf cmdread" and CHANGELOG.md
[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\r
21//-----------------------------------------------------------------------------\r
22// Select, Authenticate, Read a MIFARE tag. \r
23// read block\r
24//-----------------------------------------------------------------------------\r
25void MifareReadBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)\r
26{\r
27 // params\r
28 uint8_t blockNo = arg0;\r
29 uint8_t keyType = arg1;\r
30 uint64_t ui64Key = 0;\r
31 ui64Key = bytes_to_num(datain, 6);\r
32 \r
33 // variables\r
34 byte_t isOK = 0;\r
35 byte_t dataoutbuf[16];\r
36 uint8_t uid[10];\r
37 uint32_t cuid;\r
38 struct Crypto1State mpcs = {0, 0};\r
39 struct Crypto1State *pcs;\r
40 pcs = &mpcs;\r
41\r
42 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
43\r
44 clear_trace();\r
45\r
46 LED_A_ON();\r
47 LED_B_OFF();\r
48 LED_C_OFF();\r
49\r
50 while (true) {\r
51 if(!iso14443a_select_card(uid, NULL, &cuid)) {\r
52 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
53 break;\r
54 };\r
55\r
56 if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {\r
57 if (MF_DBGLEVEL >= 1) Dbprintf("Auth error");\r
58 break;\r
59 };\r
60 \r
61 if(mifare_classic_readblock(pcs, cuid, blockNo, dataoutbuf)) {\r
62 if (MF_DBGLEVEL >= 1) Dbprintf("Read block error");\r
63 break;\r
64 };\r
65\r
66 if(mifare_classic_halt(pcs, cuid)) {\r
67 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
68 break;\r
69 };\r
70 \r
71 isOK = 1;\r
72 break;\r
73 }\r
74 \r
75 // ----------------------------- crypto1 destroy\r
76 crypto1_destroy(pcs);\r
77 \r
78 if (MF_DBGLEVEL >= 2) DbpString("READ BLOCK FINISHED");\r
79\r
80 LED_B_ON();\r
81 cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,16);\r
82 LED_B_OFF();\r
83\r
84 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
85 LEDsoff();\r
86}\r
87\r
88void MifareUC_Auth(uint8_t arg0, uint8_t *keybytes){\r
89\r
90 bool turnOffField = (arg0 == 1);\r
91\r
92 LED_A_ON(); LED_B_OFF(); LED_C_OFF();\r
93\r
94 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
95\r
96 clear_trace();\r
97\r
98 if(!iso14443a_select_card(NULL, NULL, NULL)) {\r
99 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card");\r
100 OnError(0);\r
101 return;\r
102 };\r
103 \r
104 if(!mifare_ultra_auth(keybytes)){\r
105 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication failed");\r
106 OnError(1);\r
107 return;\r
108 }\r
109\r
110 if (turnOffField) {\r
111 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
112 LEDsoff();\r
113 }\r
114 cmd_send(CMD_ACK,1,0,0,0,0);\r
115}\r
116\r
117// Arg0 = BlockNo,\r
118// Arg1 = UsePwd bool\r
119// datain = PWD bytes,\r
120void MifareUReadBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain)\r
121{\r
122 uint8_t blockNo = arg0;\r
123 byte_t dataout[16] = {0x00};\r
124 bool useKey = (arg1 == 1); //UL_C\r
125 bool usePwd = (arg1 == 2); //UL_EV1/NTAG\r
126\r
127 LEDsoff();\r
128 LED_A_ON();\r
129 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
130\r
131 clear_trace();\r
132\r
133 int len = iso14443a_select_card(NULL, NULL, NULL);\r
134 if(!len) {\r
135 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card (RC:%02X)",len);\r
136 OnError(1);\r
137 return;\r
138 }\r
139\r
140 // UL-C authentication\r
141 if ( useKey ) {\r
142 uint8_t key[16] = {0x00};\r
143 memcpy(key, datain, sizeof(key) );\r
144\r
145 if ( !mifare_ultra_auth(key) ) {\r
146 OnError(1);\r
147 return;\r
148 }\r
149 }\r
150\r
151 // UL-EV1 / NTAG authentication\r
152 if ( usePwd ) {\r
153 uint8_t pwd[4] = {0x00};\r
154 memcpy(pwd, datain, 4);\r
155 uint8_t pack[4] = {0,0,0,0};\r
156 if (!mifare_ul_ev1_auth(pwd, pack)) {\r
157 OnError(1);\r
158 return;\r
159 }\r
160 } \r
161\r
162 if( mifare_ultra_readblock(blockNo, dataout) ) {\r
163 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Read block error");\r
164 OnError(2);\r
165 return;\r
166 }\r
167\r
168 if( mifare_ultra_halt() ) {\r
169 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Halt error");\r
170 OnError(3);\r
171 return;\r
172 }\r
173\r
174 cmd_send(CMD_ACK,1,0,0,dataout,16);\r
175 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
176 LEDsoff();\r
177}\r
178\r
179//-----------------------------------------------------------------------------\r
180// Select, Authenticate, Read a MIFARE tag. \r
181// read sector (data = 4 x 16 bytes = 64 bytes, or 16 x 16 bytes = 256 bytes)\r
182//-----------------------------------------------------------------------------\r
183void MifareReadSector(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)\r
184{\r
185 // params\r
186 uint8_t sectorNo = arg0;\r
187 uint8_t keyType = arg1;\r
188 uint64_t ui64Key = 0;\r
189 ui64Key = bytes_to_num(datain, 6);\r
190 \r
191 // variables\r
192 byte_t isOK = 0;\r
193 byte_t dataoutbuf[16 * 16];\r
194 uint8_t uid[10];\r
195 uint32_t cuid;\r
196 struct Crypto1State mpcs = {0, 0};\r
197 struct Crypto1State *pcs;\r
198 pcs = &mpcs;\r
199\r
200 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
201\r
202 clear_trace();\r
203\r
204 LED_A_ON();\r
205 LED_B_OFF();\r
206 LED_C_OFF();\r
207\r
208 isOK = 1;\r
209 if(!iso14443a_select_card(uid, NULL, &cuid)) {\r
210 isOK = 0;\r
211 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
212 }\r
213 \r
214 \r
215 if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_FIRST)) {\r
216 isOK = 0;\r
217 if (MF_DBGLEVEL >= 1) Dbprintf("Auth error");\r
218 }\r
219 \r
220 for (uint8_t blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) {\r
221 if(mifare_classic_readblock(pcs, cuid, FirstBlockOfSector(sectorNo) + blockNo, dataoutbuf + 16 * blockNo)) {\r
222 isOK = 0;\r
223 if (MF_DBGLEVEL >= 1) Dbprintf("Read sector %2d block %2d error", sectorNo, blockNo);\r
224 break;\r
225 }\r
226 }\r
227 \r
228 if(mifare_classic_halt(pcs, cuid)) {\r
229 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
230 }\r
231\r
232 // ----------------------------- crypto1 destroy\r
233 crypto1_destroy(pcs);\r
234 \r
235 if (MF_DBGLEVEL >= 2) DbpString("READ SECTOR FINISHED");\r
236\r
237 LED_B_ON();\r
238 cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,16*NumBlocksPerSector(sectorNo));\r
239 LED_B_OFF();\r
240\r
241 // Thats it...\r
242 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
243 LEDsoff();\r
244}\r
245\r
246// arg0 = blockNo (start)\r
247// arg1 = Pages (number of blocks)\r
248// arg2 = useKey\r
249// datain = KEY bytes\r
250void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain)\r
251{\r
252 LEDsoff();\r
253 LED_A_ON();\r
254 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
255\r
256 // free eventually allocated BigBuf memory\r
257 BigBuf_free();\r
258 clear_trace();\r
259\r
260 // params\r
261 uint8_t blockNo = arg0;\r
262 uint16_t blocks = arg1;\r
263 bool useKey = (arg2 == 1); //UL_C\r
264 bool usePwd = (arg2 == 2); //UL_EV1/NTAG\r
265 uint32_t countblocks = 0;\r
266 uint8_t *dataout = BigBuf_malloc(CARD_MEMORY_SIZE);\r
267 if (dataout == NULL){\r
268 Dbprintf("out of memory");\r
269 OnError(1);\r
270 return;\r
271 }\r
272\r
273 int len = iso14443a_select_card(NULL, NULL, NULL);\r
274 if (!len) {\r
275 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card (RC:%d)",len);\r
276 OnError(1);\r
277 return;\r
278 }\r
279\r
280 // UL-C authentication\r
281 if ( useKey ) {\r
282 uint8_t key[16] = {0x00};\r
283 memcpy(key, datain, sizeof(key) );\r
284\r
285 if ( !mifare_ultra_auth(key) ) {\r
286 OnError(1);\r
287 return;\r
288 }\r
289 }\r
290\r
291 // UL-EV1 / NTAG authentication\r
292 if (usePwd) {\r
293 uint8_t pwd[4] = {0x00};\r
294 memcpy(pwd, datain, sizeof(pwd));\r
295 uint8_t pack[4] = {0,0,0,0};\r
296\r
297 if (!mifare_ul_ev1_auth(pwd, pack)){\r
298 OnError(1);\r
299 return; \r
300 }\r
301 }\r
302\r
303 for (int i = 0; i < blocks; i++){\r
304 if ((i*4) + 4 >= CARD_MEMORY_SIZE) {\r
305 Dbprintf("Data exceeds buffer!!");\r
306 break;\r
307 }\r
308\r
309 len = mifare_ultra_readblock(blockNo + i, dataout + 4 * i);\r
310 \r
311 if (len) {\r
312 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Read block %d error",i);\r
313 // if no blocks read - error out\r
314 if (i==0){\r
315 OnError(2);\r
316 return;\r
317 } else {\r
318 //stop at last successful read block and return what we got\r
319 break;\r
320 }\r
321 } else {\r
322 countblocks++;\r
323 }\r
324 }\r
325\r
326 len = mifare_ultra_halt();\r
327 if (len) {\r
328 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Halt error");\r
329 OnError(3);\r
330 return;\r
331 }\r
332\r
333 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("Blocks read %d", countblocks);\r
334\r
335 countblocks *= 4;\r
336\r
337 cmd_send(CMD_ACK, 1, countblocks, BigBuf_max_traceLen(), 0, 0);\r
338 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
339 LEDsoff();\r
340 BigBuf_free();\r
341}\r
342\r
343//-----------------------------------------------------------------------------\r
344// Select, Authenticate, Write a MIFARE tag. \r
345// read block\r
346//-----------------------------------------------------------------------------\r
347void MifareWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)\r
348{\r
349 // params\r
350 uint8_t blockNo = arg0;\r
351 uint8_t keyType = arg1;\r
352 uint64_t ui64Key = 0;\r
353 byte_t blockdata[16];\r
354\r
355 ui64Key = bytes_to_num(datain, 6);\r
356 memcpy(blockdata, datain + 10, 16);\r
357 \r
358 // variables\r
359 byte_t isOK = 0;\r
360 uint8_t uid[10];\r
361 uint32_t cuid;\r
362 struct Crypto1State mpcs = {0, 0};\r
363 struct Crypto1State *pcs;\r
364 pcs = &mpcs;\r
365\r
366 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
367\r
368 clear_trace();\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
414/* // Command not needed but left for future testing \r
415void MifareUWriteBlockCompat(uint8_t arg0, uint8_t *datain)\r
416{\r
417 uint8_t blockNo = arg0;\r
418 byte_t blockdata[16] = {0x00};\r
419\r
420 memcpy(blockdata, datain, 16);\r
421\r
422 uint8_t uid[10] = {0x00};\r
423\r
424 LED_A_ON(); LED_B_OFF(); LED_C_OFF();\r
425\r
426 clear_trace();\r
427 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
428\r
429 if(!iso14443a_select_card(uid, NULL, NULL)) {\r
430 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
431 OnError(0);\r
432 return;\r
433 };\r
434\r
435 if(mifare_ultra_writeblock_compat(blockNo, blockdata)) {\r
436 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
437 OnError(0);\r
438 return; };\r
439\r
440 if(mifare_ultra_halt()) {\r
441 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
442 OnError(0);\r
443 return;\r
444 };\r
445\r
446 if (MF_DBGLEVEL >= 2) DbpString("WRITE BLOCK FINISHED");\r
447\r
448 cmd_send(CMD_ACK,1,0,0,0,0);\r
449 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
450 LEDsoff();\r
451}\r
452*/\r
453\r
454// Arg0 : Block to write to.\r
455// Arg1 : 0 = use no authentication.\r
456// 1 = use 0x1A authentication.\r
457// 2 = use 0x1B authentication.\r
458// datain : 4 first bytes is data to be written.\r
459// : 4/16 next bytes is authentication key.\r
460void MifareUWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain)\r
461{\r
462 uint8_t blockNo = arg0;\r
463 bool useKey = (arg1 == 1); //UL_C\r
464 bool usePwd = (arg1 == 2); //UL_EV1/NTAG\r
465 byte_t blockdata[4] = {0x00};\r
466\r
467 memcpy(blockdata, datain,4);\r
468 \r
469 LEDsoff();\r
470 LED_A_ON();\r
471 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
472\r
473 clear_trace();\r
474\r
475 if(!iso14443a_select_card(NULL, NULL, NULL)) {\r
476 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
477 OnError(0);\r
478 return;\r
479 };\r
480\r
481 // UL-C authentication\r
482 if ( useKey ) {\r
483 uint8_t key[16] = {0x00}; \r
484 memcpy(key, datain+4, sizeof(key) );\r
485\r
486 if ( !mifare_ultra_auth(key) ) {\r
487 OnError(1);\r
488 return; \r
489 }\r
490 }\r
491 \r
492 // UL-EV1 / NTAG authentication\r
493 if (usePwd) { \r
494 uint8_t pwd[4] = {0x00};\r
495 memcpy(pwd, datain+4, 4);\r
496 uint8_t pack[4] = {0,0,0,0};\r
497 if (!mifare_ul_ev1_auth(pwd, pack)) {\r
498 OnError(1);\r
499 return; \r
500 }\r
501 }\r
502 \r
503 if(mifare_ultra_writeblock(blockNo, blockdata)) {\r
504 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
505 OnError(0);\r
506 return;\r
507 };\r
508\r
509 if(mifare_ultra_halt()) {\r
510 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
511 OnError(0);\r
512 return;\r
513 };\r
514\r
515 if (MF_DBGLEVEL >= 2) DbpString("WRITE BLOCK FINISHED");\r
516\r
517 cmd_send(CMD_ACK,1,0,0,0,0);\r
518 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
519 LEDsoff();\r
520}\r
521\r
522void MifareUSetPwd(uint8_t arg0, uint8_t *datain){\r
523 \r
524 uint8_t pwd[16] = {0x00};\r
525 byte_t blockdata[4] = {0x00};\r
526 \r
527 memcpy(pwd, datain, 16);\r
528 \r
529 LED_A_ON(); LED_B_OFF(); LED_C_OFF();\r
530 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
531\r
532 clear_trace();\r
533\r
534 if(!iso14443a_select_card(NULL, NULL, NULL)) {\r
535 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
536 OnError(0);\r
537 return;\r
538 };\r
539\r
540 blockdata[0] = pwd[7];\r
541 blockdata[1] = pwd[6];\r
542 blockdata[2] = pwd[5];\r
543 blockdata[3] = pwd[4];\r
544 if(mifare_ultra_writeblock( 44, blockdata)) {\r
545 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
546 OnError(44);\r
547 return;\r
548 };\r
549\r
550 blockdata[0] = pwd[3];\r
551 blockdata[1] = pwd[2];\r
552 blockdata[2] = pwd[1];\r
553 blockdata[3] = pwd[0];\r
554 if(mifare_ultra_writeblock( 45, blockdata)) {\r
555 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
556 OnError(45);\r
557 return;\r
558 };\r
559\r
560 blockdata[0] = pwd[15];\r
561 blockdata[1] = pwd[14];\r
562 blockdata[2] = pwd[13];\r
563 blockdata[3] = pwd[12];\r
564 if(mifare_ultra_writeblock( 46, blockdata)) {\r
565 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
566 OnError(46);\r
567 return;\r
568 };\r
569\r
570 blockdata[0] = pwd[11];\r
571 blockdata[1] = pwd[10];\r
572 blockdata[2] = pwd[9];\r
573 blockdata[3] = pwd[8];\r
574 if(mifare_ultra_writeblock( 47, blockdata)) {\r
575 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
576 OnError(47);\r
577 return;\r
578 }; \r
579\r
580 if(mifare_ultra_halt()) {\r
581 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
582 OnError(0);\r
583 return;\r
584 };\r
585\r
586 cmd_send(CMD_ACK,1,0,0,0,0);\r
587 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
588 LEDsoff();\r
589}\r
590\r
591// Return 1 if the nonce is invalid else return 0\r
592int valid_nonce(uint32_t Nt, uint32_t NtEnc, uint32_t Ks1, uint8_t *parity) {\r
593 return ((oddparity((Nt >> 24) & 0xFF) == ((parity[0]) ^ oddparity((NtEnc >> 24) & 0xFF) ^ BIT(Ks1,16))) & \\r
594 (oddparity((Nt >> 16) & 0xFF) == ((parity[1]) ^ oddparity((NtEnc >> 16) & 0xFF) ^ BIT(Ks1,8))) & \\r
595 (oddparity((Nt >> 8) & 0xFF) == ((parity[2]) ^ oddparity((NtEnc >> 8) & 0xFF) ^ BIT(Ks1,0)))) ? 1 : 0;\r
596}\r
597\r
598\r
599//-----------------------------------------------------------------------------\r
600// MIFARE nested authentication. \r
601// \r
602//-----------------------------------------------------------------------------\r
603void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *datain)\r
604{\r
605 // params\r
606 uint8_t blockNo = arg0 & 0xff;\r
607 uint8_t keyType = (arg0 >> 8) & 0xff;\r
608 uint8_t targetBlockNo = arg1 & 0xff;\r
609 uint8_t targetKeyType = (arg1 >> 8) & 0xff;\r
610 uint64_t ui64Key = 0;\r
611\r
612 ui64Key = bytes_to_num(datain, 6);\r
613 \r
614 // variables\r
615 uint16_t rtr, i, j, len;\r
616 uint16_t davg;\r
617 static uint16_t dmin, dmax;\r
618 uint8_t uid[10];\r
619 uint32_t cuid, nt1, nt2, nttmp, nttest, ks1;\r
620 uint8_t par[1];\r
621 uint32_t target_nt[2], target_ks[2];\r
622 \r
623 uint8_t par_array[4];\r
624 uint16_t ncount = 0;\r
625 struct Crypto1State mpcs = {0, 0};\r
626 struct Crypto1State *pcs;\r
627 pcs = &mpcs;\r
628 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
629\r
630 uint32_t auth1_time, auth2_time;\r
631 static uint16_t delta_time;\r
632\r
633 LED_A_ON();\r
634 LED_C_OFF();\r
635 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
636\r
637 // free eventually allocated BigBuf memory\r
638 BigBuf_free();\r
639\r
640 if (calibrate) clear_trace();\r
641 set_tracing(true);\r
642\r
643 // statistics on nonce distance\r
644 int16_t isOK = 0;\r
645 #define NESTED_MAX_TRIES 12\r
646 uint16_t unsuccessfull_tries = 0;\r
647 if (calibrate) { // for first call only. Otherwise reuse previous calibration\r
648 LED_B_ON();\r
649 WDT_HIT();\r
650\r
651 davg = dmax = 0;\r
652 dmin = 2000;\r
653 delta_time = 0;\r
654 \r
655 for (rtr = 0; rtr < 17; rtr++) {\r
656\r
657 // Test if the action was cancelled\r
658 if(BUTTON_PRESS()) {\r
659 isOK = -2;\r
660 break;\r
661 }\r
662\r
663 // prepare next select. No need to power down the card.\r
664 if(mifare_classic_halt(pcs, cuid)) {\r
665 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Halt error");\r
666 rtr--;\r
667 continue;\r
668 }\r
669\r
670 if(!iso14443a_select_card(uid, NULL, &cuid)) {\r
671 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Can't select card");\r
672 rtr--;\r
673 continue;\r
674 };\r
675\r
676 auth1_time = 0;\r
677 if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1, &auth1_time)) {\r
678 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth1 error");\r
679 rtr--;\r
680 continue;\r
681 };\r
682\r
683 if (delta_time) {\r
684 auth2_time = auth1_time + delta_time;\r
685 } else {\r
686 auth2_time = 0;\r
687 }\r
688 if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_NESTED, &nt2, &auth2_time)) {\r
689 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth2 error");\r
690 rtr--;\r
691 continue;\r
692 };\r
693\r
694 nttmp = prng_successor(nt1, 100); //NXP Mifare is typical around 840,but for some unlicensed/compatible mifare card this can be 160\r
695 for (i = 101; i < 1200; i++) {\r
696 nttmp = prng_successor(nttmp, 1);\r
697 if (nttmp == nt2) break;\r
698 }\r
699\r
700 if (i != 1200) {\r
701 if (rtr != 0) {\r
702 davg += i;\r
703 dmin = MIN(dmin, i);\r
704 dmax = MAX(dmax, i);\r
705 }\r
706 else {\r
707 delta_time = auth2_time - auth1_time + 32; // allow some slack for proper timing\r
708 }\r
709 if (MF_DBGLEVEL >= 3) Dbprintf("Nested: calibrating... ntdist=%d", i);\r
710 } else {\r
711 unsuccessfull_tries++;\r
712 if (unsuccessfull_tries > NESTED_MAX_TRIES) { // card isn't vulnerable to nested attack (random numbers are not predictable)\r
713 isOK = -3;\r
714 }\r
715 }\r
716 }\r
717\r
718 davg = (davg + (rtr - 1)/2) / (rtr - 1);\r
719 \r
720 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
721\r
722 dmin = davg - 2;\r
723 dmax = davg + 2;\r
724 \r
725 LED_B_OFF();\r
726 }\r
727// ------------------------------------------------------------------------------------------------- \r
728 \r
729 LED_C_ON();\r
730\r
731 // get crypted nonces for target sector\r
732 for(i=0; i < 2 && !isOK; i++) { // look for exactly two different nonces\r
733\r
734 target_nt[i] = 0;\r
735 while(target_nt[i] == 0) { // continue until we have an unambiguous nonce\r
736 \r
737 // prepare next select. No need to power down the card.\r
738 if(mifare_classic_halt(pcs, cuid)) {\r
739 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Halt error");\r
740 continue;\r
741 }\r
742\r
743 if(!iso14443a_select_card(uid, NULL, &cuid)) {\r
744 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Can't select card");\r
745 continue;\r
746 };\r
747 \r
748 auth1_time = 0;\r
749 if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1, &auth1_time)) {\r
750 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth1 error");\r
751 continue;\r
752 };\r
753\r
754 // nested authentication\r
755 auth2_time = auth1_time + delta_time;\r
756 len = mifare_sendcmd_short(pcs, AUTH_NESTED, 0x60 + (targetKeyType & 0x01), targetBlockNo, receivedAnswer, par, &auth2_time);\r
757 if (len != 4) {\r
758 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth2 error len=%d", len);\r
759 continue;\r
760 };\r
761 \r
762 nt2 = bytes_to_num(receivedAnswer, 4); \r
763 if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: Testing nt1=%08x nt2enc=%08x nt2par=%02x", i+1, nt1, nt2, par[0]);\r
764 \r
765 // Parity validity check\r
766 for (j = 0; j < 4; j++) {\r
767 par_array[j] = (oddparity(receivedAnswer[j]) != ((par[0] >> (7-j)) & 0x01));\r
768 }\r
769 \r
770 ncount = 0;\r
771 nttest = prng_successor(nt1, dmin - 1);\r
772 for (j = dmin; j < dmax + 1; j++) {\r
773 nttest = prng_successor(nttest, 1);\r
774 ks1 = nt2 ^ nttest;\r
775\r
776 if (valid_nonce(nttest, nt2, ks1, par_array)){\r
777 if (ncount > 0) { // we are only interested in disambiguous nonces, try again\r
778 if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: dismissed (ambigous), ntdist=%d", i+1, j);\r
779 target_nt[i] = 0;\r
780 break;\r
781 }\r
782 target_nt[i] = nttest;\r
783 target_ks[i] = ks1;\r
784 ncount++;\r
785 if (i == 1 && target_nt[1] == target_nt[0]) { // we need two different nonces\r
786 target_nt[i] = 0;\r
787 if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#2: dismissed (= nonce#1), ntdist=%d", j);\r
788 break;\r
789 }\r
790 if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: valid, ntdist=%d", i+1, j);\r
791 }\r
792 }\r
793 if (target_nt[i] == 0 && j == dmax+1 && MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: dismissed (all invalid)", i+1);\r
794 }\r
795 }\r
796\r
797 LED_C_OFF();\r
798 \r
799 // ----------------------------- crypto1 destroy\r
800 crypto1_destroy(pcs);\r
801 \r
802 byte_t buf[4 + 4 * 4];\r
803 memcpy(buf, &cuid, 4);\r
804 memcpy(buf+4, &target_nt[0], 4);\r
805 memcpy(buf+8, &target_ks[0], 4);\r
806 memcpy(buf+12, &target_nt[1], 4);\r
807 memcpy(buf+16, &target_ks[1], 4);\r
808 \r
809 LED_B_ON();\r
810 cmd_send(CMD_ACK, isOK, 0, targetBlockNo + (targetKeyType * 0x100), buf, sizeof(buf));\r
811 LED_B_OFF();\r
812\r
813 if (MF_DBGLEVEL >= 3) DbpString("NESTED FINISHED");\r
814\r
815 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
816 LEDsoff();\r
817 set_tracing(FALSE);\r
818}\r
819\r
820//-----------------------------------------------------------------------------\r
821// MIFARE check keys. key count up to 85. \r
822// \r
823//-----------------------------------------------------------------------------\r
824void MifareChkKeys(uint16_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)\r
825{\r
826 // params\r
827 uint8_t blockNo = arg0 & 0xff;\r
828 uint8_t keyType = (arg0 >> 8) & 0xff;\r
829 bool clearTrace = arg1;\r
830 uint8_t keyCount = arg2;\r
831 uint64_t ui64Key = 0;\r
832 \r
833 // variables\r
834 int i;\r
835 byte_t isOK = 0;\r
836 uint8_t uid[10];\r
837 uint32_t cuid;\r
838 struct Crypto1State mpcs = {0, 0};\r
839 struct Crypto1State *pcs;\r
840 pcs = &mpcs;\r
841 \r
842 // clear debug level\r
843 int OLD_MF_DBGLEVEL = MF_DBGLEVEL; \r
844 MF_DBGLEVEL = MF_DBG_NONE;\r
845 \r
846 LED_A_ON();\r
847 LED_B_OFF();\r
848 LED_C_OFF();\r
849 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
850\r
851 if (clearTrace) clear_trace();\r
852 set_tracing(TRUE);\r
853\r
854 for (i = 0; i < keyCount; i++) {\r
855 if(mifare_classic_halt(pcs, cuid)) {\r
856 if (MF_DBGLEVEL >= 1) Dbprintf("ChkKeys: Halt error");\r
857 }\r
858\r
859 if(!iso14443a_select_card(uid, NULL, &cuid)) {\r
860 if (OLD_MF_DBGLEVEL >= 1) Dbprintf("ChkKeys: Can't select card");\r
861 break;\r
862 };\r
863\r
864 ui64Key = bytes_to_num(datain + i * 6, 6);\r
865 if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {\r
866 continue;\r
867 };\r
868 \r
869 isOK = 1;\r
870 break;\r
871 }\r
872 \r
873 // ----------------------------- crypto1 destroy\r
874 crypto1_destroy(pcs);\r
875 \r
876 LED_B_ON();\r
877 cmd_send(CMD_ACK,isOK,0,0,datain + i * 6,6);\r
878 LED_B_OFF();\r
879\r
880 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
881 LEDsoff();\r
882 set_tracing(FALSE);\r
883 \r
884 // restore debug level\r
885 MF_DBGLEVEL = OLD_MF_DBGLEVEL; \r
886}\r
887\r
888//-----------------------------------------------------------------------------\r
889// MIFARE commands set debug level\r
890// \r
891//-----------------------------------------------------------------------------\r
892void MifareSetDbgLvl(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
893 MF_DBGLEVEL = arg0;\r
894 Dbprintf("Debug level: %d", MF_DBGLEVEL);\r
895}\r
896\r
897//-----------------------------------------------------------------------------\r
898// Work with emulator memory\r
899// \r
900// Note: we call FpgaDownloadAndGo(FPGA_BITSTREAM_HF) here although FPGA is not\r
901// involved in dealing with emulator memory. But if it is called later, it might\r
902// destroy the Emulator Memory.\r
903//-----------------------------------------------------------------------------\r
904\r
905void MifareEMemClr(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
906 FpgaDownloadAndGo(FPGA_BITSTREAM_HF);\r
907 emlClearMem();\r
908}\r
909\r
910void MifareEMemSet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
911 FpgaDownloadAndGo(FPGA_BITSTREAM_HF);\r
912 //emlSetMem(datain, arg0, arg1); // data, block num, blocks count \r
913 emlSetMem_xt(datain, arg0, arg1, arg2); // data, block num, blocks count, block byte width\r
914}\r
915\r
916void MifareEMemGet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
917 FpgaDownloadAndGo(FPGA_BITSTREAM_HF);\r
918 byte_t buf[USB_CMD_DATA_SIZE];\r
919 emlGetMem(buf, arg0, arg1); // data, block num, blocks count (max 4)\r
920\r
921 LED_B_ON();\r
922 cmd_send(CMD_ACK,arg0,arg1,0,buf,USB_CMD_DATA_SIZE);\r
923 LED_B_OFF();\r
924}\r
925\r
926//-----------------------------------------------------------------------------\r
927// Load a card into the emulator memory\r
928// \r
929//-----------------------------------------------------------------------------\r
930void MifareECardLoad(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
931 uint8_t numSectors = arg0;\r
932 uint8_t keyType = arg1;\r
933 uint64_t ui64Key = 0;\r
934 uint32_t cuid;\r
935 struct Crypto1State mpcs = {0, 0};\r
936 struct Crypto1State *pcs;\r
937 pcs = &mpcs;\r
938\r
939 // variables\r
940 byte_t dataoutbuf[16];\r
941 byte_t dataoutbuf2[16];\r
942 uint8_t uid[10];\r
943\r
944 LED_A_ON();\r
945 LED_B_OFF();\r
946 LED_C_OFF();\r
947 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
948 \r
949 clear_trace();\r
950 set_tracing(TRUE);\r
951 \r
952 bool isOK = true;\r
953\r
954 if(!iso14443a_select_card(uid, NULL, &cuid)) {\r
955 isOK = false;\r
956 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
957 }\r
958 \r
959 for (uint8_t sectorNo = 0; isOK && sectorNo < numSectors; sectorNo++) {\r
960 ui64Key = emlGetKey(sectorNo, keyType);\r
961 if (sectorNo == 0){\r
962 if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_FIRST)) {\r
963 isOK = false;\r
964 if (MF_DBGLEVEL >= 1) Dbprintf("Sector[%2d]. Auth error", sectorNo);\r
965 break;\r
966 }\r
967 } else {\r
968 if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_NESTED)) {\r
969 isOK = false;\r
970 if (MF_DBGLEVEL >= 1) Dbprintf("Sector[%2d]. Auth nested error", sectorNo);\r
971 break;\r
972 }\r
973 }\r
974 \r
975 for (uint8_t blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) {\r
976 if(isOK && mifare_classic_readblock(pcs, cuid, FirstBlockOfSector(sectorNo) + blockNo, dataoutbuf)) {\r
977 isOK = false;\r
978 if (MF_DBGLEVEL >= 1) Dbprintf("Error reading sector %2d block %2d", sectorNo, blockNo);\r
979 break;\r
980 };\r
981 if (isOK) {\r
982 if (blockNo < NumBlocksPerSector(sectorNo) - 1) {\r
983 emlSetMem(dataoutbuf, FirstBlockOfSector(sectorNo) + blockNo, 1);\r
984 } else { // sector trailer, keep the keys, set only the AC\r
985 emlGetMem(dataoutbuf2, FirstBlockOfSector(sectorNo) + blockNo, 1);\r
986 memcpy(&dataoutbuf2[6], &dataoutbuf[6], 4);\r
987 emlSetMem(dataoutbuf2, FirstBlockOfSector(sectorNo) + blockNo, 1);\r
988 }\r
989 }\r
990 }\r
991\r
992 }\r
993\r
994 if(mifare_classic_halt(pcs, cuid)) {\r
995 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
996 };\r
997\r
998 // ----------------------------- crypto1 destroy\r
999 crypto1_destroy(pcs);\r
1000\r
1001 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
1002 LEDsoff();\r
1003 \r
1004 if (MF_DBGLEVEL >= 2) DbpString("EMUL FILL SECTORS FINISHED");\r
1005\r
1006 set_tracing(FALSE);\r
1007}\r
1008\r
1009\r
1010//-----------------------------------------------------------------------------\r
1011// Work with "magic Chinese" card (email him: ouyangweidaxian@live.cn)\r
1012// \r
1013//-----------------------------------------------------------------------------\r
1014void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
1015 \r
1016 // params\r
1017 uint8_t needWipe = arg0;\r
1018 // bit 0 - need get UID\r
1019 // bit 1 - need wupC\r
1020 // bit 2 - need HALT after sequence\r
1021 // bit 3 - need init FPGA and field before sequence\r
1022 // bit 4 - need reset FPGA and LED\r
1023 uint8_t workFlags = arg1;\r
1024 uint8_t blockNo = arg2;\r
1025 \r
1026 // card commands\r
1027 uint8_t wupC1[] = { 0x40 }; \r
1028 uint8_t wupC2[] = { 0x43 }; \r
1029 uint8_t wipeC[] = { 0x41 }; \r
1030 \r
1031 // variables\r
1032 byte_t isOK = 0;\r
1033 uint8_t uid[10] = {0x00};\r
1034 uint8_t d_block[18] = {0x00};\r
1035 uint32_t cuid;\r
1036 \r
1037 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
1038 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
1039\r
1040 // reset FPGA and LED\r
1041 if (workFlags & 0x08) {\r
1042 LED_A_ON();\r
1043 LED_B_OFF();\r
1044 LED_C_OFF();\r
1045 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
1046 \r
1047 clear_trace();\r
1048 set_tracing(TRUE);\r
1049 }\r
1050\r
1051 while (true) {\r
1052\r
1053 // get UID from chip\r
1054 if (workFlags & 0x01) {\r
1055 if(!iso14443a_select_card(uid, NULL, &cuid)) {\r
1056 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\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 // reset chip\r
1067 if (needWipe){\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(wipeC, sizeof(wipeC), NULL);\r
1075 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1076 if (MF_DBGLEVEL >= 1) Dbprintf("wipeC error");\r
1077 break;\r
1078 };\r
1079\r
1080 if(mifare_classic_halt(NULL, cuid)) {\r
1081 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
1082 break;\r
1083 };\r
1084 }; \r
1085\r
1086 // write block\r
1087 if (workFlags & 0x02) {\r
1088 ReaderTransmitBitsPar(wupC1,7,0, NULL);\r
1089 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1090 if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error");\r
1091 break;\r
1092 };\r
1093\r
1094 ReaderTransmit(wupC2, sizeof(wupC2), NULL);\r
1095 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1096 if (MF_DBGLEVEL >= 1) Dbprintf("wupC2 error");\r
1097 break;\r
1098 };\r
1099 }\r
1100\r
1101 if ((mifare_sendcmd_short(NULL, 0, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 1) || (receivedAnswer[0] != 0x0a)) {\r
1102 if (MF_DBGLEVEL >= 1) Dbprintf("write block send command error");\r
1103 break;\r
1104 };\r
1105 \r
1106 memcpy(d_block, datain, 16);\r
1107 AppendCrc14443a(d_block, 16);\r
1108 \r
1109 ReaderTransmit(d_block, sizeof(d_block), NULL);\r
1110 if ((ReaderReceive(receivedAnswer, receivedAnswerPar) != 1) || (receivedAnswer[0] != 0x0a)) {\r
1111 if (MF_DBGLEVEL >= 1) Dbprintf("write block send data error");\r
1112 break;\r
1113 }; \r
1114 \r
1115 if (workFlags & 0x04) {\r
1116 if (mifare_classic_halt(NULL, cuid)) {\r
1117 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
1118 break;\r
1119 };\r
1120 }\r
1121 \r
1122 isOK = 1;\r
1123 break;\r
1124 }\r
1125 \r
1126 LED_B_ON();\r
1127 cmd_send(CMD_ACK,isOK,0,0,uid,4);\r
1128 LED_B_OFF();\r
1129\r
1130 if ((workFlags & 0x10) || (!isOK)) {\r
1131 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
1132 LEDsoff();\r
1133 set_tracing(FALSE);\r
1134 }\r
1135}\r
1136\r
1137\r
1138void MifareCGetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
1139 \r
1140 // params\r
1141 // bit 1 - need wupC\r
1142 // bit 2 - need HALT after sequence\r
1143 // bit 3 - need init FPGA and field before sequence\r
1144 // bit 4 - need reset FPGA and LED\r
1145 // bit 5 - need to set datain instead of issuing USB reply (called via ARM for StandAloneMode14a)\r
1146 uint8_t workFlags = arg0;\r
1147 uint8_t blockNo = arg2;\r
1148 \r
1149 // card commands\r
1150 uint8_t wupC1[] = { 0x40 }; \r
1151 uint8_t wupC2[] = { 0x43 }; \r
1152 \r
1153 // variables\r
1154 byte_t isOK = 0;\r
1155 uint8_t data[18] = {0x00};\r
1156 uint32_t cuid = 0;\r
1157 \r
1158 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
1159 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
1160 \r
1161 if (workFlags & 0x08) {\r
1162 LED_A_ON();\r
1163 LED_B_OFF();\r
1164 LED_C_OFF();\r
1165 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
1166 \r
1167 clear_trace();\r
1168 set_tracing(TRUE);\r
1169 }\r
1170\r
1171 while (true) {\r
1172 if (workFlags & 0x02) {\r
1173 ReaderTransmitBitsPar(wupC1,7,0, NULL);\r
1174 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1175 if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error");\r
1176 break;\r
1177 };\r
1178\r
1179 ReaderTransmit(wupC2, sizeof(wupC2), NULL);\r
1180 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1181 if (MF_DBGLEVEL >= 1) Dbprintf("wupC2 error");\r
1182 break;\r
1183 };\r
1184 }\r
1185\r
1186 // read block\r
1187 if ((mifare_sendcmd_short(NULL, 0, 0x30, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 18)) {\r
1188 if (MF_DBGLEVEL >= 1) Dbprintf("read block send command error");\r
1189 break;\r
1190 };\r
1191 memcpy(data, receivedAnswer, 18);\r
1192 \r
1193 if (workFlags & 0x04) {\r
1194 if (mifare_classic_halt(NULL, cuid)) {\r
1195 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
1196 break;\r
1197 };\r
1198 }\r
1199 \r
1200 isOK = 1;\r
1201 break;\r
1202 }\r
1203 \r
1204 LED_B_ON();\r
1205 if (workFlags & 0x20) {\r
1206 if (isOK)\r
1207 memcpy(datain, data, 18);\r
1208 }\r
1209 else\r
1210 cmd_send(CMD_ACK,isOK,0,0,data,18);\r
1211 LED_B_OFF();\r
1212\r
1213 if ((workFlags & 0x10) || (!isOK)) {\r
1214 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
1215 LEDsoff();\r
1216 set_tracing(FALSE);\r
1217 }\r
1218}\r
1219\r
1220void MifareCIdent(){\r
1221 \r
1222 // card commands\r
1223 uint8_t wupC1[] = { 0x40 }; \r
1224 uint8_t wupC2[] = { 0x43 }; \r
1225 \r
1226 // variables\r
1227 byte_t isOK = 1;\r
1228 \r
1229 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
1230 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
1231\r
1232 ReaderTransmitBitsPar(wupC1,7,0, NULL);\r
1233 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1234 isOK = 0;\r
1235 };\r
1236\r
1237 ReaderTransmit(wupC2, sizeof(wupC2), NULL);\r
1238 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1239 isOK = 0;\r
1240 };\r
1241\r
1242 if (mifare_classic_halt(NULL, 0)) {\r
1243 isOK = 0;\r
1244 };\r
1245\r
1246 cmd_send(CMD_ACK,isOK,0,0,0,0);\r
1247}\r
1248\r
1249void MifareCollectNonces(uint32_t arg0, uint32_t arg1){\r
1250\r
1251 BigBuf_free();\r
1252\r
1253 uint32_t iterations = arg0;\r
1254 uint8_t uid[10] = {0x00};\r
1255\r
1256 uint8_t *response = BigBuf_malloc(MAX_MIFARE_FRAME_SIZE);\r
1257 uint8_t *responsePar = BigBuf_malloc(MAX_MIFARE_PARITY_SIZE);\r
1258\r
1259 uint8_t mf_auth[] = { 0x60,0x00,0xf5,0x7b };\r
1260 \r
1261 // get memory from BigBuf.\r
1262 uint8_t *nonces = BigBuf_malloc(iterations * 4);\r
1263\r
1264 LED_A_ON();\r
1265 LED_B_OFF();\r
1266 LED_C_OFF();\r
1267 \r
1268 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
1269 clear_trace();\r
1270 set_tracing(TRUE);\r
1271 \r
1272 for (int i = 0; i < iterations; i++) {\r
1273 \r
1274 WDT_HIT();\r
1275\r
1276 // Test if the action was cancelled\r
1277 if(BUTTON_PRESS()) break;\r
1278 \r
1279 // if(mifare_classic_halt(pcs, cuid)) {\r
1280 // if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
1281 //}\r
1282\r
1283 if(!iso14443a_select_card(uid, NULL, NULL)) {\r
1284 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
1285 continue;\r
1286 };\r
1287\r
1288 // Transmit MIFARE_CLASSIC_AUTH.\r
1289 ReaderTransmit(mf_auth, sizeof(mf_auth), NULL);\r
1290\r
1291 // Receive the (4 Byte) "random" nonce\r
1292 if (!ReaderReceive(response, responsePar)) {\r
1293 if (MF_DBGLEVEL >= 1) Dbprintf("Couldn't receive tag nonce");\r
1294 continue;\r
1295 } \r
1296 \r
1297 nonces[i*4] = bytes_to_num(response, 4);\r
1298 }\r
1299 \r
1300 int packLen = iterations * 4;\r
1301 int packSize = 0;\r
1302 int packNum = 0;\r
1303 while (packLen > 0) {\r
1304 packSize = MIN(USB_CMD_DATA_SIZE, packLen);\r
1305 LED_B_ON();\r
1306 cmd_send(CMD_ACK, 77, 0, packSize, nonces - packLen, packSize);\r
1307 LED_B_OFF();\r
1308\r
1309 packLen -= packSize;\r
1310 packNum++;\r
1311 }\r
1312 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
1313 LEDsoff();\r
1314 set_tracing(FALSE);\r
1315}\r
1316\r
1317//\r
1318// DESFIRE\r
1319//\r
1320\r
1321void Mifare_DES_Auth1(uint8_t arg0, uint8_t *datain){\r
1322\r
1323 byte_t dataout[11] = {0x00};\r
1324 uint8_t uid[10] = {0x00};\r
1325 uint32_t cuid = 0x00;\r
1326 \r
1327 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
1328 clear_trace();\r
1329\r
1330 int len = iso14443a_select_card(uid, NULL, &cuid);\r
1331 if(!len) {\r
1332 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card");\r
1333 OnError(1);\r
1334 return;\r
1335 };\r
1336\r
1337 if(mifare_desfire_des_auth1(cuid, dataout)){\r
1338 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication part1: Fail.");\r
1339 OnError(4);\r
1340 return;\r
1341 }\r
1342\r
1343 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 1 FINISHED");\r
1344 cmd_send(CMD_ACK,1,cuid,0,dataout, sizeof(dataout));\r
1345}\r
1346\r
1347void Mifare_DES_Auth2(uint32_t arg0, uint8_t *datain){\r
1348\r
1349 uint32_t cuid = arg0;\r
1350 uint8_t key[16] = {0x00};\r
1351 byte_t dataout[12] = {0x00};\r
1352 byte_t isOK = 0;\r
1353 \r
1354 memcpy(key, datain, 16);\r
1355 \r
1356 isOK = mifare_desfire_des_auth2(cuid, key, dataout);\r
1357 \r
1358 if( isOK) {\r
1359 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("Authentication part2: Failed"); \r
1360 OnError(4);\r
1361 return;\r
1362 }\r
1363\r
1364 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 2 FINISHED");\r
1365\r
1366 cmd_send(CMD_ACK, isOK, 0, 0, dataout, sizeof(dataout));\r
1367 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
1368 LEDsoff();\r
1369}
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