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1//-----------------------------------------------------------------------------\r
2// Merlok - June 2011, 2012\r
3// Gerhard de Koning Gans - May 2008\r
4// Hagen Fritsch - June 2010\r
5// Midnitesnake - Dec 2013\r
6// Andy Davies - Apr 2014\r
7// Iceman - May 2014\r
8//\r
9// This code is licensed to you under the terms of the GNU GPL, version 2 or,\r
10// at your option, any later version. See the LICENSE.txt file for the text of\r
11// the license.\r
12//-----------------------------------------------------------------------------\r
13// Routines to support ISO 14443 type A.\r
14//-----------------------------------------------------------------------------\r
15\r
16#include "mifarecmd.h"\r
17#include "apps.h"\r
18#include "util.h"\r
19#include "crc.h"\r
20#include "protocols.h"\r
21\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 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
44\r
45 clear_trace();\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\r
95 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
96\r
97 clear_trace();\r
98\r
99 if(!iso14443a_select_card(NULL, NULL, NULL)) {\r
100 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card");\r
101 OnError(0);\r
102 return;\r
103 };\r
104 \r
105 if(!mifare_ultra_auth(keybytes)){\r
106 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication failed");\r
107 OnError(1);\r
108 return;\r
109 }\r
110\r
111 if (turnOffField) {\r
112 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
113 LEDsoff();\r
114 }\r
115 cmd_send(CMD_ACK,1,0,0,0,0);\r
116}\r
117\r
118// Arg0 = BlockNo,\r
119// Arg1 = UsePwd bool\r
120// datain = PWD bytes,\r
121void MifareUReadBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain)\r
122{\r
123 uint8_t blockNo = arg0;\r
124 byte_t dataout[16] = {0x00};\r
125 bool useKey = (arg1 == 1); //UL_C\r
126 bool usePwd = (arg1 == 2); //UL_EV1/NTAG\r
127\r
128 LEDsoff();\r
129 LED_A_ON();\r
130 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
131\r
132 clear_trace();\r
133\r
134 int len = iso14443a_select_card(NULL, NULL, NULL);\r
135 if(!len) {\r
136 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card (RC:%02X)",len);\r
137 OnError(1);\r
138 return;\r
139 }\r
140\r
141 // UL-C authentication\r
142 if ( useKey ) {\r
143 uint8_t key[16] = {0x00};\r
144 memcpy(key, datain, sizeof(key) );\r
145\r
146 if ( !mifare_ultra_auth(key) ) {\r
147 OnError(1);\r
148 return;\r
149 }\r
150 }\r
151\r
152 // UL-EV1 / NTAG authentication\r
153 if ( usePwd ) {\r
154 uint8_t pwd[4] = {0x00};\r
155 memcpy(pwd, datain, 4);\r
156 uint8_t pack[4] = {0,0,0,0};\r
157 if (!mifare_ul_ev1_auth(pwd, pack)) {\r
158 OnError(1);\r
159 return;\r
160 }\r
161 } \r
162\r
163 if( mifare_ultra_readblock(blockNo, dataout) ) {\r
164 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Read block error");\r
165 OnError(2);\r
166 return;\r
167 }\r
168\r
169 if( mifare_ultra_halt() ) {\r
170 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Halt error");\r
171 OnError(3);\r
172 return;\r
173 }\r
174\r
175 cmd_send(CMD_ACK,1,0,0,dataout,16);\r
176 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
177 LEDsoff();\r
178}\r
179\r
180//-----------------------------------------------------------------------------\r
181// Select, Authenticate, Read a MIFARE tag. \r
182// read sector (data = 4 x 16 bytes = 64 bytes, or 16 x 16 bytes = 256 bytes)\r
183//-----------------------------------------------------------------------------\r
184void MifareReadSector(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)\r
185{\r
186 // params\r
187 uint8_t sectorNo = arg0;\r
188 uint8_t keyType = arg1;\r
189 uint64_t ui64Key = 0;\r
190 ui64Key = bytes_to_num(datain, 6);\r
191 \r
192 // variables\r
193 byte_t isOK = 0;\r
194 byte_t dataoutbuf[16 * 16];\r
195 uint8_t uid[10];\r
196 uint32_t cuid;\r
197 struct Crypto1State mpcs = {0, 0};\r
198 struct Crypto1State *pcs;\r
199 pcs = &mpcs;\r
200\r
201 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
202\r
203 clear_trace();\r
204\r
205 LED_A_ON();\r
206 LED_B_OFF();\r
207 LED_C_OFF();\r
208\r
209 isOK = 1;\r
210 if(!iso14443a_select_card(uid, NULL, &cuid)) {\r
211 isOK = 0;\r
212 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
213 }\r
214 \r
215 \r
216 if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_FIRST)) {\r
217 isOK = 0;\r
218 if (MF_DBGLEVEL >= 1) Dbprintf("Auth error");\r
219 }\r
220 \r
221 for (uint8_t blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) {\r
222 if(mifare_classic_readblock(pcs, cuid, FirstBlockOfSector(sectorNo) + blockNo, dataoutbuf + 16 * blockNo)) {\r
223 isOK = 0;\r
224 if (MF_DBGLEVEL >= 1) Dbprintf("Read sector %2d block %2d error", sectorNo, blockNo);\r
225 break;\r
226 }\r
227 }\r
228 \r
229 if(mifare_classic_halt(pcs, cuid)) {\r
230 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
231 }\r
232\r
233 // ----------------------------- crypto1 destroy\r
234 crypto1_destroy(pcs);\r
235 \r
236 if (MF_DBGLEVEL >= 2) DbpString("READ SECTOR FINISHED");\r
237\r
238 LED_B_ON();\r
239 cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,16*NumBlocksPerSector(sectorNo));\r
240 LED_B_OFF();\r
241\r
242 // Thats it...\r
243 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
244 LEDsoff();\r
245}\r
246\r
247// arg0 = blockNo (start)\r
248// arg1 = Pages (number of blocks)\r
249// arg2 = useKey\r
250// datain = KEY bytes\r
251void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain)\r
252{\r
253 LEDsoff();\r
254 LED_A_ON();\r
255 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
256\r
257 // free eventually allocated BigBuf memory\r
258 BigBuf_free();\r
259 clear_trace();\r
260\r
261 // params\r
262 uint8_t blockNo = arg0;\r
263 uint16_t blocks = arg1;\r
264 bool useKey = (arg2 == 1); //UL_C\r
265 bool usePwd = (arg2 == 2); //UL_EV1/NTAG\r
266 uint32_t countblocks = 0;\r
267 uint8_t *dataout = BigBuf_malloc(CARD_MEMORY_SIZE);\r
268 if (dataout == NULL){\r
269 Dbprintf("out of memory");\r
270 OnError(1);\r
271 return;\r
272 }\r
273\r
274 int len = iso14443a_select_card(NULL, NULL, NULL);\r
275 if (!len) {\r
276 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card (RC:%d)",len);\r
277 OnError(1);\r
278 return;\r
279 }\r
280\r
281 // UL-C authentication\r
282 if ( useKey ) {\r
283 uint8_t key[16] = {0x00};\r
284 memcpy(key, datain, sizeof(key) );\r
285\r
286 if ( !mifare_ultra_auth(key) ) {\r
287 OnError(1);\r
288 return;\r
289 }\r
290 }\r
291\r
292 // UL-EV1 / NTAG authentication\r
293 if (usePwd) {\r
294 uint8_t pwd[4] = {0x00};\r
295 memcpy(pwd, datain, sizeof(pwd));\r
296 uint8_t pack[4] = {0,0,0,0};\r
297\r
298 if (!mifare_ul_ev1_auth(pwd, pack)){\r
299 OnError(1);\r
300 return; \r
301 }\r
302 }\r
303\r
304 for (int i = 0; i < blocks; i++){\r
305 if ((i*4) + 4 >= CARD_MEMORY_SIZE) {\r
306 Dbprintf("Data exceeds buffer!!");\r
307 break;\r
308 }\r
309\r
310 len = mifare_ultra_readblock(blockNo + i, dataout + 4 * i);\r
311 \r
312 if (len) {\r
313 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Read block %d error",i);\r
314 // if no blocks read - error out\r
315 if (i==0){\r
316 OnError(2);\r
317 return;\r
318 } else {\r
319 //stop at last successful read block and return what we got\r
320 break;\r
321 }\r
322 } else {\r
323 countblocks++;\r
324 }\r
325 }\r
326\r
327 len = mifare_ultra_halt();\r
328 if (len) {\r
329 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Halt error");\r
330 OnError(3);\r
331 return;\r
332 }\r
333\r
334 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("Blocks read %d", countblocks);\r
335\r
336 countblocks *= 4;\r
337\r
338 cmd_send(CMD_ACK, 1, countblocks, BigBuf_max_traceLen(), 0, 0);\r
339 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
340 LEDsoff();\r
341 BigBuf_free();\r
342}\r
343\r
344//-----------------------------------------------------------------------------\r
345// Select, Authenticate, Write a MIFARE tag. \r
346// read block\r
347//-----------------------------------------------------------------------------\r
348void MifareWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)\r
349{\r
350 // params\r
351 uint8_t blockNo = arg0;\r
352 uint8_t keyType = arg1;\r
353 uint64_t ui64Key = 0;\r
354 byte_t blockdata[16];\r
355\r
356 ui64Key = bytes_to_num(datain, 6);\r
357 memcpy(blockdata, datain + 10, 16);\r
358 \r
359 // variables\r
360 byte_t isOK = 0;\r
361 uint8_t uid[10];\r
362 uint32_t cuid;\r
363 struct Crypto1State mpcs = {0, 0};\r
364 struct Crypto1State *pcs;\r
365 pcs = &mpcs;\r
366\r
367 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
368\r
369 clear_trace();\r
370\r
371 LED_A_ON();\r
372 LED_B_OFF();\r
373 LED_C_OFF();\r
374\r
375 while (true) {\r
376 if(!iso14443a_select_card(uid, NULL, &cuid)) {\r
377 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
378 break;\r
379 };\r
380\r
381 if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {\r
382 if (MF_DBGLEVEL >= 1) Dbprintf("Auth error");\r
383 break;\r
384 };\r
385 \r
386 if(mifare_classic_writeblock(pcs, cuid, blockNo, blockdata)) {\r
387 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
388 break;\r
389 };\r
390\r
391 if(mifare_classic_halt(pcs, cuid)) {\r
392 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
393 break;\r
394 };\r
395 \r
396 isOK = 1;\r
397 break;\r
398 }\r
399 \r
400 // ----------------------------- crypto1 destroy\r
401 crypto1_destroy(pcs);\r
402 \r
403 if (MF_DBGLEVEL >= 2) DbpString("WRITE BLOCK FINISHED");\r
404\r
405 LED_B_ON();\r
406 cmd_send(CMD_ACK,isOK,0,0,0,0);\r
407 LED_B_OFF();\r
408\r
409\r
410 // Thats it...\r
411 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
412 LEDsoff();\r
413}\r
414\r
415/* // Command not needed but left for future testing \r
416void MifareUWriteBlockCompat(uint8_t arg0, uint8_t *datain)\r
417{\r
418 uint8_t blockNo = arg0;\r
419 byte_t blockdata[16] = {0x00};\r
420\r
421 memcpy(blockdata, datain, 16);\r
422\r
423 uint8_t uid[10] = {0x00};\r
424\r
425 LED_A_ON(); LED_B_OFF(); LED_C_OFF();\r
426\r
427 clear_trace();\r
428 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
429\r
430 if(!iso14443a_select_card(uid, NULL, NULL)) {\r
431 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
432 OnError(0);\r
433 return;\r
434 };\r
435\r
436 if(mifare_ultra_writeblock_compat(blockNo, blockdata)) {\r
437 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
438 OnError(0);\r
439 return; };\r
440\r
441 if(mifare_ultra_halt()) {\r
442 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
443 OnError(0);\r
444 return;\r
445 };\r
446\r
447 if (MF_DBGLEVEL >= 2) DbpString("WRITE BLOCK FINISHED");\r
448\r
449 cmd_send(CMD_ACK,1,0,0,0,0);\r
450 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
451 LEDsoff();\r
452}\r
453*/\r
454\r
455// Arg0 : Block to write to.\r
456// Arg1 : 0 = use no authentication.\r
457// 1 = use 0x1A authentication.\r
458// 2 = use 0x1B authentication.\r
459// datain : 4 first bytes is data to be written.\r
460// : 4/16 next bytes is authentication key.\r
461void MifareUWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain)\r
462{\r
463 uint8_t blockNo = arg0;\r
464 bool useKey = (arg1 == 1); //UL_C\r
465 bool usePwd = (arg1 == 2); //UL_EV1/NTAG\r
466 byte_t blockdata[4] = {0x00};\r
467\r
468 memcpy(blockdata, datain,4);\r
469 \r
470 LEDsoff();\r
471 LED_A_ON();\r
472 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
473\r
474 clear_trace();\r
475\r
476 if(!iso14443a_select_card(NULL, NULL, NULL)) {\r
477 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
478 OnError(0);\r
479 return;\r
480 };\r
481\r
482 // UL-C authentication\r
483 if ( useKey ) {\r
484 uint8_t key[16] = {0x00}; \r
485 memcpy(key, datain+4, sizeof(key) );\r
486\r
487 if ( !mifare_ultra_auth(key) ) {\r
488 OnError(1);\r
489 return; \r
490 }\r
491 }\r
492 \r
493 // UL-EV1 / NTAG authentication\r
494 if (usePwd) { \r
495 uint8_t pwd[4] = {0x00};\r
496 memcpy(pwd, datain+4, 4);\r
497 uint8_t pack[4] = {0,0,0,0};\r
498 if (!mifare_ul_ev1_auth(pwd, pack)) {\r
499 OnError(1);\r
500 return; \r
501 }\r
502 }\r
503 \r
504 if(mifare_ultra_writeblock(blockNo, blockdata)) {\r
505 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
506 OnError(0);\r
507 return;\r
508 };\r
509\r
510 if(mifare_ultra_halt()) {\r
511 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
512 OnError(0);\r
513 return;\r
514 };\r
515\r
516 if (MF_DBGLEVEL >= 2) DbpString("WRITE BLOCK FINISHED");\r
517\r
518 cmd_send(CMD_ACK,1,0,0,0,0);\r
519 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
520 LEDsoff();\r
521}\r
522\r
523void MifareUSetPwd(uint8_t arg0, uint8_t *datain){\r
524 \r
525 uint8_t pwd[16] = {0x00};\r
526 byte_t blockdata[4] = {0x00};\r
527 \r
528 memcpy(pwd, datain, 16);\r
529 \r
530 LED_A_ON(); LED_B_OFF(); LED_C_OFF();\r
531 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
532\r
533 clear_trace();\r
534\r
535 if(!iso14443a_select_card(NULL, NULL, NULL)) {\r
536 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
537 OnError(0);\r
538 return;\r
539 };\r
540\r
541 blockdata[0] = pwd[7];\r
542 blockdata[1] = pwd[6];\r
543 blockdata[2] = pwd[5];\r
544 blockdata[3] = pwd[4];\r
545 if(mifare_ultra_writeblock( 44, blockdata)) {\r
546 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
547 OnError(44);\r
548 return;\r
549 };\r
550\r
551 blockdata[0] = pwd[3];\r
552 blockdata[1] = pwd[2];\r
553 blockdata[2] = pwd[1];\r
554 blockdata[3] = pwd[0];\r
555 if(mifare_ultra_writeblock( 45, blockdata)) {\r
556 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
557 OnError(45);\r
558 return;\r
559 };\r
560\r
561 blockdata[0] = pwd[15];\r
562 blockdata[1] = pwd[14];\r
563 blockdata[2] = pwd[13];\r
564 blockdata[3] = pwd[12];\r
565 if(mifare_ultra_writeblock( 46, blockdata)) {\r
566 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
567 OnError(46);\r
568 return;\r
569 };\r
570\r
571 blockdata[0] = pwd[11];\r
572 blockdata[1] = pwd[10];\r
573 blockdata[2] = pwd[9];\r
574 blockdata[3] = pwd[8];\r
575 if(mifare_ultra_writeblock( 47, blockdata)) {\r
576 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
577 OnError(47);\r
578 return;\r
579 }; \r
580\r
581 if(mifare_ultra_halt()) {\r
582 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
583 OnError(0);\r
584 return;\r
585 };\r
586\r
587 cmd_send(CMD_ACK,1,0,0,0,0);\r
588 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
589 LEDsoff();\r
590}\r
591\r
592// Return 1 if the nonce is invalid else return 0\r
593int valid_nonce(uint32_t Nt, uint32_t NtEnc, uint32_t Ks1, uint8_t *parity) {\r
594 return ((oddparity((Nt >> 24) & 0xFF) == ((parity[0]) ^ oddparity((NtEnc >> 24) & 0xFF) ^ BIT(Ks1,16))) & \\r
595 (oddparity((Nt >> 16) & 0xFF) == ((parity[1]) ^ oddparity((NtEnc >> 16) & 0xFF) ^ BIT(Ks1,8))) & \\r
596 (oddparity((Nt >> 8) & 0xFF) == ((parity[2]) ^ oddparity((NtEnc >> 8) & 0xFF) ^ BIT(Ks1,0)))) ? 1 : 0;\r
597}\r
598\r
599\r
600//-----------------------------------------------------------------------------\r
601// MIFARE nested authentication. \r
602// \r
603//-----------------------------------------------------------------------------\r
604void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *datain)\r
605{\r
606 // params\r
607 uint8_t blockNo = arg0 & 0xff;\r
608 uint8_t keyType = (arg0 >> 8) & 0xff;\r
609 uint8_t targetBlockNo = arg1 & 0xff;\r
610 uint8_t targetKeyType = (arg1 >> 8) & 0xff;\r
611 uint64_t ui64Key = 0;\r
612\r
613 ui64Key = bytes_to_num(datain, 6);\r
614 \r
615 // variables\r
616 uint16_t rtr, i, j, len;\r
617 uint16_t davg;\r
618 static uint16_t dmin, dmax;\r
619 uint8_t uid[10];\r
620 uint32_t cuid, nt1, nt2, nttmp, nttest, ks1;\r
621 uint8_t par[1];\r
622 uint32_t target_nt[2], target_ks[2];\r
623 \r
624 uint8_t par_array[4];\r
625 uint16_t ncount = 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];\r
630\r
631 uint32_t auth1_time, auth2_time;\r
632 static uint16_t delta_time;\r
633\r
634 LED_A_ON();\r
635 LED_C_OFF();\r
636 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
637\r
638 // free eventually allocated BigBuf memory\r
639 BigBuf_free();\r
640\r
641 if (calibrate) clear_trace();\r
642 set_tracing(true);\r
643\r
644 // statistics on nonce distance\r
645 int16_t isOK = 0;\r
646 #define NESTED_MAX_TRIES 12\r
647 uint16_t unsuccessfull_tries = 0;\r
648 if (calibrate) { // for first call only. Otherwise reuse previous calibration\r
649 LED_B_ON();\r
650 WDT_HIT();\r
651\r
652 davg = dmax = 0;\r
653 dmin = 2000;\r
654 delta_time = 0;\r
655 \r
656 for (rtr = 0; rtr < 17; rtr++) {\r
657\r
658 // Test if the action was cancelled\r
659 if(BUTTON_PRESS()) {\r
660 isOK = -2;\r
661 break;\r
662 }\r
663\r
664 // prepare next select. No need to power down the card.\r
665 if(mifare_classic_halt(pcs, cuid)) {\r
666 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Halt error");\r
667 rtr--;\r
668 continue;\r
669 }\r
670\r
671 if(!iso14443a_select_card(uid, NULL, &cuid)) {\r
672 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Can't select card");\r
673 rtr--;\r
674 continue;\r
675 };\r
676\r
677 auth1_time = 0;\r
678 if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1, &auth1_time)) {\r
679 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth1 error");\r
680 rtr--;\r
681 continue;\r
682 };\r
683\r
684 if (delta_time) {\r
685 auth2_time = auth1_time + delta_time;\r
686 } else {\r
687 auth2_time = 0;\r
688 }\r
689 if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_NESTED, &nt2, &auth2_time)) {\r
690 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth2 error");\r
691 rtr--;\r
692 continue;\r
693 };\r
694\r
695 nttmp = prng_successor(nt1, 100); //NXP Mifare is typical around 840,but for some unlicensed/compatible mifare card this can be 160\r
696 for (i = 101; i < 1200; i++) {\r
697 nttmp = prng_successor(nttmp, 1);\r
698 if (nttmp == nt2) break;\r
699 }\r
700\r
701 if (i != 1200) {\r
702 if (rtr != 0) {\r
703 davg += i;\r
704 dmin = MIN(dmin, i);\r
705 dmax = MAX(dmax, i);\r
706 }\r
707 else {\r
708 delta_time = auth2_time - auth1_time + 32; // allow some slack for proper timing\r
709 }\r
710 if (MF_DBGLEVEL >= 3) Dbprintf("Nested: calibrating... ntdist=%d", i);\r
711 } else {\r
712 unsuccessfull_tries++;\r
713 if (unsuccessfull_tries > NESTED_MAX_TRIES) { // card isn't vulnerable to nested attack (random numbers are not predictable)\r
714 isOK = -3;\r
715 }\r
716 }\r
717 }\r
718\r
719 davg = (davg + (rtr - 1)/2) / (rtr - 1);\r
720 \r
721 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
722\r
723 dmin = davg - 2;\r
724 dmax = davg + 2;\r
725 \r
726 LED_B_OFF();\r
727 }\r
728// ------------------------------------------------------------------------------------------------- \r
729 \r
730 LED_C_ON();\r
731\r
732 // get crypted nonces for target sector\r
733 for(i=0; i < 2 && !isOK; i++) { // look for exactly two different nonces\r
734\r
735 target_nt[i] = 0;\r
736 while(target_nt[i] == 0) { // continue until we have an unambiguous nonce\r
737 \r
738 // prepare next select. No need to power down the card.\r
739 if(mifare_classic_halt(pcs, cuid)) {\r
740 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Halt error");\r
741 continue;\r
742 }\r
743\r
744 if(!iso14443a_select_card(uid, NULL, &cuid)) {\r
745 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Can't select card");\r
746 continue;\r
747 };\r
748 \r
749 auth1_time = 0;\r
750 if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1, &auth1_time)) {\r
751 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth1 error");\r
752 continue;\r
753 };\r
754\r
755 // nested authentication\r
756 auth2_time = auth1_time + delta_time;\r
757 len = mifare_sendcmd_short(pcs, AUTH_NESTED, 0x60 + (targetKeyType & 0x01), targetBlockNo, receivedAnswer, par, &auth2_time);\r
758 if (len != 4) {\r
759 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth2 error len=%d", len);\r
760 continue;\r
761 };\r
762 \r
763 nt2 = bytes_to_num(receivedAnswer, 4); \r
764 if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: Testing nt1=%08x nt2enc=%08x nt2par=%02x", i+1, nt1, nt2, par[0]);\r
765 \r
766 // Parity validity check\r
767 for (j = 0; j < 4; j++) {\r
768 par_array[j] = (oddparity(receivedAnswer[j]) != ((par[0] >> (7-j)) & 0x01));\r
769 }\r
770 \r
771 ncount = 0;\r
772 nttest = prng_successor(nt1, dmin - 1);\r
773 for (j = dmin; j < dmax + 1; j++) {\r
774 nttest = prng_successor(nttest, 1);\r
775 ks1 = nt2 ^ nttest;\r
776\r
777 if (valid_nonce(nttest, nt2, ks1, par_array)){\r
778 if (ncount > 0) { // we are only interested in disambiguous nonces, try again\r
779 if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: dismissed (ambigous), ntdist=%d", i+1, j);\r
780 target_nt[i] = 0;\r
781 break;\r
782 }\r
783 target_nt[i] = nttest;\r
784 target_ks[i] = ks1;\r
785 ncount++;\r
786 if (i == 1 && target_nt[1] == target_nt[0]) { // we need two different nonces\r
787 target_nt[i] = 0;\r
788 if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#2: dismissed (= nonce#1), ntdist=%d", j);\r
789 break;\r
790 }\r
791 if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: valid, ntdist=%d", i+1, j);\r
792 }\r
793 }\r
794 if (target_nt[i] == 0 && j == dmax+1 && MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: dismissed (all invalid)", i+1);\r
795 }\r
796 }\r
797\r
798 LED_C_OFF();\r
799 \r
800 // ----------------------------- crypto1 destroy\r
801 crypto1_destroy(pcs);\r
802 \r
803 byte_t buf[4 + 4 * 4];\r
804 memcpy(buf, &cuid, 4);\r
805 memcpy(buf+4, &target_nt[0], 4);\r
806 memcpy(buf+8, &target_ks[0], 4);\r
807 memcpy(buf+12, &target_nt[1], 4);\r
808 memcpy(buf+16, &target_ks[1], 4);\r
809 \r
810 LED_B_ON();\r
811 cmd_send(CMD_ACK, isOK, 0, targetBlockNo + (targetKeyType * 0x100), buf, sizeof(buf));\r
812 LED_B_OFF();\r
813\r
814 if (MF_DBGLEVEL >= 3) DbpString("NESTED FINISHED");\r
815\r
816 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
817 LEDsoff();\r
818 set_tracing(FALSE);\r
819}\r
820\r
821//-----------------------------------------------------------------------------\r
822// MIFARE check keys. key count up to 85. \r
823// \r
824//-----------------------------------------------------------------------------\r
825void MifareChkKeys(uint16_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)\r
826{\r
827 // params\r
828 uint8_t blockNo = arg0 & 0xff;\r
829 uint8_t keyType = (arg0 >> 8) & 0xff;\r
830 bool clearTrace = arg1;\r
831 uint8_t keyCount = arg2;\r
832 uint64_t ui64Key = 0;\r
833 \r
834 // variables\r
835 int i;\r
836 byte_t isOK = 0;\r
837 uint8_t uid[10];\r
838 uint32_t cuid;\r
839 struct Crypto1State mpcs = {0, 0};\r
840 struct Crypto1State *pcs;\r
841 pcs = &mpcs;\r
842 \r
843 // clear debug level\r
844 int OLD_MF_DBGLEVEL = MF_DBGLEVEL; \r
845 MF_DBGLEVEL = MF_DBG_NONE;\r
846 \r
847 LED_A_ON();\r
848 LED_B_OFF();\r
849 LED_C_OFF();\r
850 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
851\r
852 if (clearTrace) clear_trace();\r
853 set_tracing(TRUE);\r
854\r
855 for (i = 0; i < keyCount; i++) {\r
856 if(mifare_classic_halt(pcs, cuid)) {\r
857 if (MF_DBGLEVEL >= 1) Dbprintf("ChkKeys: Halt error");\r
858 }\r
859\r
860 if(!iso14443a_select_card(uid, NULL, &cuid)) {\r
861 if (OLD_MF_DBGLEVEL >= 1) Dbprintf("ChkKeys: Can't select card");\r
862 break;\r
863 };\r
864\r
865 ui64Key = bytes_to_num(datain + i * 6, 6);\r
866 if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {\r
867 continue;\r
868 };\r
869 \r
870 isOK = 1;\r
871 break;\r
872 }\r
873 \r
874 // ----------------------------- crypto1 destroy\r
875 crypto1_destroy(pcs);\r
876 \r
877 LED_B_ON();\r
878 cmd_send(CMD_ACK,isOK,0,0,datain + i * 6,6);\r
879 LED_B_OFF();\r
880\r
881 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
882 LEDsoff();\r
883 set_tracing(FALSE);\r
884 \r
885 // restore debug level\r
886 MF_DBGLEVEL = OLD_MF_DBGLEVEL; \r
887}\r
888\r
889//-----------------------------------------------------------------------------\r
890// MIFARE commands set debug level\r
891// \r
892//-----------------------------------------------------------------------------\r
893void MifareSetDbgLvl(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
894 MF_DBGLEVEL = arg0;\r
895 Dbprintf("Debug level: %d", MF_DBGLEVEL);\r
896}\r
897\r
898//-----------------------------------------------------------------------------\r
899// Work with emulator memory\r
900// \r
901// Note: we call FpgaDownloadAndGo(FPGA_BITSTREAM_HF) here although FPGA is not\r
902// involved in dealing with emulator memory. But if it is called later, it might\r
903// destroy the Emulator Memory.\r
904//-----------------------------------------------------------------------------\r
905\r
906void MifareEMemClr(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
907 FpgaDownloadAndGo(FPGA_BITSTREAM_HF);\r
908 emlClearMem();\r
909}\r
910\r
911void MifareEMemSet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
912 FpgaDownloadAndGo(FPGA_BITSTREAM_HF);\r
913 //emlSetMem(datain, arg0, arg1); // data, block num, blocks count \r
914 emlSetMem_xt(datain, arg0, arg1, arg2); // data, block num, blocks count, block byte width\r
915}\r
916\r
917void MifareEMemGet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
918 FpgaDownloadAndGo(FPGA_BITSTREAM_HF);\r
919 byte_t buf[USB_CMD_DATA_SIZE];\r
920 emlGetMem(buf, arg0, arg1); // data, block num, blocks count (max 4)\r
921\r
922 LED_B_ON();\r
923 cmd_send(CMD_ACK,arg0,arg1,0,buf,USB_CMD_DATA_SIZE);\r
924 LED_B_OFF();\r
925}\r
926\r
927//-----------------------------------------------------------------------------\r
928// Load a card into the emulator memory\r
929// \r
930//-----------------------------------------------------------------------------\r
931void MifareECardLoad(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
932 uint8_t numSectors = arg0;\r
933 uint8_t keyType = arg1;\r
934 uint64_t ui64Key = 0;\r
935 uint32_t cuid;\r
936 struct Crypto1State mpcs = {0, 0};\r
937 struct Crypto1State *pcs;\r
938 pcs = &mpcs;\r
939\r
940 // variables\r
941 byte_t dataoutbuf[16];\r
942 byte_t dataoutbuf2[16];\r
943 uint8_t uid[10];\r
944\r
945 LED_A_ON();\r
946 LED_B_OFF();\r
947 LED_C_OFF();\r
948 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
949 \r
950 clear_trace();\r
951 set_tracing(TRUE);\r
952 \r
953 bool isOK = true;\r
954\r
955 if(!iso14443a_select_card(uid, NULL, &cuid)) {\r
956 isOK = false;\r
957 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
958 }\r
959 \r
960 for (uint8_t sectorNo = 0; isOK && sectorNo < numSectors; sectorNo++) {\r
961 ui64Key = emlGetKey(sectorNo, keyType);\r
962 if (sectorNo == 0){\r
963 if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_FIRST)) {\r
964 isOK = false;\r
965 if (MF_DBGLEVEL >= 1) Dbprintf("Sector[%2d]. Auth error", sectorNo);\r
966 break;\r
967 }\r
968 } else {\r
969 if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_NESTED)) {\r
970 isOK = false;\r
971 if (MF_DBGLEVEL >= 1) Dbprintf("Sector[%2d]. Auth nested error", sectorNo);\r
972 break;\r
973 }\r
974 }\r
975 \r
976 for (uint8_t blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) {\r
977 if(isOK && mifare_classic_readblock(pcs, cuid, FirstBlockOfSector(sectorNo) + blockNo, dataoutbuf)) {\r
978 isOK = false;\r
979 if (MF_DBGLEVEL >= 1) Dbprintf("Error reading sector %2d block %2d", sectorNo, blockNo);\r
980 break;\r
981 };\r
982 if (isOK) {\r
983 if (blockNo < NumBlocksPerSector(sectorNo) - 1) {\r
984 emlSetMem(dataoutbuf, FirstBlockOfSector(sectorNo) + blockNo, 1);\r
985 } else { // sector trailer, keep the keys, set only the AC\r
986 emlGetMem(dataoutbuf2, FirstBlockOfSector(sectorNo) + blockNo, 1);\r
987 memcpy(&dataoutbuf2[6], &dataoutbuf[6], 4);\r
988 emlSetMem(dataoutbuf2, FirstBlockOfSector(sectorNo) + blockNo, 1);\r
989 }\r
990 }\r
991 }\r
992\r
993 }\r
994\r
995 if(mifare_classic_halt(pcs, cuid)) {\r
996 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
997 };\r
998\r
999 // ----------------------------- crypto1 destroy\r
1000 crypto1_destroy(pcs);\r
1001\r
1002 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
1003 LEDsoff();\r
1004 \r
1005 if (MF_DBGLEVEL >= 2) DbpString("EMUL FILL SECTORS FINISHED");\r
1006\r
1007 set_tracing(FALSE);\r
1008}\r
1009\r
1010\r
1011//-----------------------------------------------------------------------------\r
1012// Work with "magic Chinese" card (email him: ouyangweidaxian@live.cn)\r
1013// \r
1014// PARAMS - workFlags\r
1015// bit 0 - need get UID\r
1016// bit 1 - need wupC\r
1017// bit 2 - need HALT after sequence\r
1018// bit 3 - need turn on FPGA before sequence\r
1019// bit 4 - need turn off FPGA\r
1020// bit 5 - need to set datain instead of issuing USB reply (called via ARM for StandAloneMode14a)\r
1021// bit 6 - wipe tag.\r
1022//-----------------------------------------------------------------------------\r
1023// magic uid card generation 1 commands\r
1024uint8_t wupC1[] = { MIFARE_MAGICWUPC1 }; \r
1025uint8_t wupC2[] = { MIFARE_MAGICWUPC2 }; \r
1026uint8_t wipeC[] = { MIFARE_MAGICWIPEC }; \r
1027 \r
1028void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint8_t *datain){\r
1029 \r
1030 // params\r
1031 uint8_t workFlags = arg0;\r
1032 uint8_t blockNo = arg1;\r
1033 \r
1034 Dbprintf("ICE :: CSetBlocks Flags %02x", workFlags);\r
1035 \r
1036 // variables\r
1037 uint8_t uid[10] = {0x00};\r
1038 uint8_t data[18] = {0x00};\r
1039 uint32_t cuid;\r
1040 \r
1041 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
1042 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
1043\r
1044 if (workFlags & MAGIC_INIT) {\r
1045 LED_A_ON();\r
1046 LED_B_OFF();\r
1047 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
1048 clear_trace();\r
1049 set_tracing(TRUE);\r
1050 }\r
1051\r
1052 // read UID and return to client\r
1053 if (workFlags & MAGIC_UID) {\r
1054 if(!iso14443a_select_card(uid, NULL, &cuid)) {\r
1055 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card");\r
1056 OnErrorMagic(MAGIC_UID);\r
1057 };\r
1058 };\r
1059 \r
1060 // wipe tag, fill it with zeros\r
1061 if (workFlags & MAGIC_WIPE){\r
1062 ReaderTransmitBitsPar(wupC1,7,0, NULL);\r
1063 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1064 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("wupC1 error");\r
1065 OnErrorMagic(MAGIC_WIPE);\r
1066 };\r
1067\r
1068 ReaderTransmit(wipeC, sizeof(wipeC), NULL);\r
1069 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1070 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("wipeC error");\r
1071 OnErrorMagic(MAGIC_WIPE);\r
1072 };\r
1073 }; \r
1074\r
1075 // write block\r
1076 if (workFlags & MAGIC_WUPC) {\r
1077 ReaderTransmitBitsPar(wupC1,7,0, NULL);\r
1078 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1079 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("wupC1 error");\r
1080 OnErrorMagic(MAGIC_WUPC);\r
1081 };\r
1082\r
1083 ReaderTransmit(wupC2, sizeof(wupC2), NULL);\r
1084 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1085 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("wupC2 error");\r
1086 OnErrorMagic(MAGIC_WUPC);\r
1087 };\r
1088 }\r
1089\r
1090 if ((mifare_sendcmd_short(NULL, 0, ISO14443A_CMD_WRITEBLOCK, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 1) || (receivedAnswer[0] != 0x0a)) {\r
1091 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("write block send command error");\r
1092 OnErrorMagic(4);\r
1093 };\r
1094 \r
1095 memcpy(data, datain, 16);\r
1096 AppendCrc14443a(data, 16);\r
1097 \r
1098 ReaderTransmit(data, sizeof(data), NULL);\r
1099 if ((ReaderReceive(receivedAnswer, receivedAnswerPar) != 1) || (receivedAnswer[0] != 0x0a)) {\r
1100 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("write block send data error");\r
1101 OnErrorMagic(0);\r
1102 }; \r
1103 \r
1104 if (workFlags & MAGIC_OFF) \r
1105 mifare_classic_halt_ex(NULL);\r
1106 \r
1107 LED_B_ON();\r
1108 // check if uid is cuid?\r
1109 cmd_send(CMD_ACK,1,0,0,uid,sizeof(uid));\r
1110 LED_B_OFF();\r
1111\r
1112 if (workFlags & MAGIC_OFF)\r
1113 OnSuccessMagic();\r
1114}\r
1115\r
1116void MifareCGetBlock(uint32_t arg0, uint32_t arg1, uint8_t *datain){\r
1117 \r
1118 uint8_t workFlags = arg0;\r
1119 uint8_t blockNo = arg1;\r
1120\r
1121 // variables\r
1122 uint8_t data[MAX_MIFARE_FRAME_SIZE];\r
1123 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
1124 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
1125 \r
1126 memset(data, 0x00, sizeof(data));\r
1127 \r
1128 if (workFlags & MAGIC_INIT) {\r
1129 LED_A_ON();\r
1130 LED_B_OFF();\r
1131 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); \r
1132 clear_trace();\r
1133 set_tracing(TRUE);\r
1134 }\r
1135\r
1136 if (workFlags & MAGIC_WUPC) {\r
1137 ReaderTransmitBitsPar(wupC1,7,0, NULL);\r
1138 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1139 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("wupC1 error");\r
1140 OnErrorMagic(MAGIC_WUPC);\r
1141 };\r
1142\r
1143 ReaderTransmit(wupC2, sizeof(wupC2), NULL);\r
1144 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1145 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("wupC2 error");\r
1146 OnErrorMagic(MAGIC_WUPC);\r
1147 };\r
1148 }\r
1149\r
1150 // read block \r
1151 if ((mifare_sendcmd_short(NULL, 0, ISO14443A_CMD_READBLOCK, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 18)) {\r
1152 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("read block send command error");\r
1153 OnErrorMagic(0);\r
1154 };\r
1155 \r
1156 memcpy(data, receivedAnswer, sizeof(data));\r
1157 \r
1158 // send HALT\r
1159 if (workFlags & MAGIC_HALT) \r
1160 mifare_classic_halt_ex(NULL);\r
1161 \r
1162 LED_B_ON();\r
1163 \r
1164 // if MAGIC_DATAIN, the data stays on device side.\r
1165 if (workFlags & MAGIC_DATAIN)\r
1166 memcpy(datain, data, sizeof(data));\r
1167 else\r
1168 cmd_send(CMD_ACK,1,0,0,data,sizeof(data));\r
1169 \r
1170 LED_B_OFF();\r
1171\r
1172 if (workFlags & MAGIC_OFF)\r
1173 OnSuccessMagic();\r
1174}\r
1175\r
1176void MifareCIdent(){\r
1177 \r
1178 // variables\r
1179 byte_t isOK = 1; \r
1180 uint8_t receivedAnswer[1];\r
1181 uint8_t receivedAnswerPar[1];\r
1182\r
1183 ReaderTransmitBitsPar(wupC1,7,0, NULL);\r
1184 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1185 isOK = 0;\r
1186 };\r
1187\r
1188 ReaderTransmit(wupC2, sizeof(wupC2), NULL);\r
1189 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1190 isOK = 0;\r
1191 };\r
1192\r
1193 // removed the if, since some magic tags misbehavies and send an answer to it.\r
1194 mifare_classic_halt(NULL, 0);\r
1195 cmd_send(CMD_ACK,isOK,0,0,0,0);\r
1196}\r
1197\r
1198void OnSuccessMagic(){\r
1199 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
1200 LEDsoff();\r
1201 set_tracing(FALSE); \r
1202}\r
1203void OnErrorMagic(uint8_t reason){\r
1204 // ACK, ISOK, reason,0,0,0\r
1205 cmd_send(CMD_ACK,0,reason,0,0,0);\r
1206 OnSuccessMagic();\r
1207}\r
1208\r
1209void MifareCollectNonces(uint32_t arg0, uint32_t arg1){\r
1210}\r
1211\r
1212//\r
1213// DESFIRE\r
1214//\r
1215\r
1216void Mifare_DES_Auth1(uint8_t arg0, uint8_t *datain){\r
1217\r
1218 byte_t dataout[11] = {0x00};\r
1219 uint8_t uid[10] = {0x00};\r
1220 uint32_t cuid = 0x00;\r
1221 \r
1222 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
1223 clear_trace();\r
1224\r
1225 int len = iso14443a_select_card(uid, NULL, &cuid);\r
1226 if(!len) {\r
1227 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card");\r
1228 OnError(1);\r
1229 return;\r
1230 };\r
1231\r
1232 if(mifare_desfire_des_auth1(cuid, dataout)){\r
1233 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication part1: Fail.");\r
1234 OnError(4);\r
1235 return;\r
1236 }\r
1237\r
1238 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 1 FINISHED");\r
1239 cmd_send(CMD_ACK,1,cuid,0,dataout, sizeof(dataout));\r
1240}\r
1241\r
1242void Mifare_DES_Auth2(uint32_t arg0, uint8_t *datain){\r
1243\r
1244 uint32_t cuid = arg0;\r
1245 uint8_t key[16] = {0x00};\r
1246 byte_t dataout[12] = {0x00};\r
1247 byte_t isOK = 0;\r
1248 \r
1249 memcpy(key, datain, 16);\r
1250 \r
1251 isOK = mifare_desfire_des_auth2(cuid, key, dataout);\r
1252 \r
1253 if( isOK) {\r
1254 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("Authentication part2: Failed"); \r
1255 OnError(4);\r
1256 return;\r
1257 }\r
1258\r
1259 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 2 FINISHED");\r
1260\r
1261 cmd_send(CMD_ACK, isOK, 0, 0, dataout, sizeof(dataout));\r
1262 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
1263 LEDsoff();\r
1264}
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